36 files changed, 7237 insertions, 0 deletions

diff --git a/tests/front/ShaarliAdminMiddlewareTest.php b/tests/front/ShaarliAdminMiddlewareTest.php
new file mode 100644
index 00000000..44025f11
--- /dev/null
+++ b/tests/front/ShaarliAdminMiddlewareTest.php
@@ -0,0 +1,100 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front;
+
+use Shaarli\Config\ConfigManager;
+use Shaarli\Container\ShaarliContainer;
+use Shaarli\Security\LoginManager;
+use Shaarli\TestCase;
+use Shaarli\Updater\Updater;
+use Slim\Http\Request;
+use Slim\Http\Response;
+use Slim\Http\Uri;
+
+class ShaarliAdminMiddlewareTest extends TestCase
+{
+    protected const TMP_MOCK_FILE = '.tmp';
+
+    /** @var ShaarliContainer */
+    protected $container;
+
+    /** @var ShaarliMiddleware  */
+    protected $middleware;
+
+    public function setUp(): void
+    {
+        $this->container = $this->createMock(ShaarliContainer::class);
+
+        touch(static::TMP_MOCK_FILE);
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('getConfigFileExt')->willReturn(static::TMP_MOCK_FILE);
+
+        $this->container->loginManager = $this->createMock(LoginManager::class);
+        $this->container->updater = $this->createMock(Updater::class);
+
+        $this->container->environment = ['REQUEST_URI' => 'http://shaarli/subfolder/path'];
+
+        $this->middleware = new ShaarliAdminMiddleware($this->container);
+    }
+
+    public function tearDown(): void
+    {
+        unlink(static::TMP_MOCK_FILE);
+    }
+
+    /**
+     * Try to access an admin controller while logged out -> redirected to login page.
+     */
+    public function testMiddlewareWhileLoggedOut(): void
+    {
+        $this->container->loginManager->expects(static::once())->method('isLoggedIn')->willReturn(false);
+
+        $request = $this->createMock(Request::class);
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $response = new Response();
+
+        /** @var Response $result */
+        $result = $this->middleware->__invoke($request, $response, function () {});
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(
+            '/subfolder/login?returnurl=' . urlencode('http://shaarli/subfolder/path'),
+            $result->getHeader('location')[0]
+        );
+    }
+
+    /**
+     * Process controller while logged in.
+     */
+    public function testMiddlewareWhileLoggedIn(): void
+    {
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+
+        $request = $this->createMock(Request::class);
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $response = new Response();
+        $controller = function (Request $request, Response $response): Response {
+            return $response->withStatus(418); // I'm a tea pot
+        };
+
+        /** @var Response $result */
+        $result = $this->middleware->__invoke($request, $response, $controller);
+
+        static::assertSame(418, $result->getStatusCode());
+    }
+}
diff --git a/tests/front/ShaarliMiddlewareTest.php b/tests/front/ShaarliMiddlewareTest.php
new file mode 100644
index 00000000..655c5bba
--- /dev/null
+++ b/tests/front/ShaarliMiddlewareTest.php
@@ -0,0 +1,221 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front;
+
+use Shaarli\Config\ConfigManager;
+use Shaarli\Container\ShaarliContainer;
+use Shaarli\Front\Exception\LoginBannedException;
+use Shaarli\Front\Exception\UnauthorizedException;
+use Shaarli\Render\PageBuilder;
+use Shaarli\Render\PageCacheManager;
+use Shaarli\Security\LoginManager;
+use Shaarli\TestCase;
+use Shaarli\Updater\Updater;
+use Slim\Http\Request;
+use Slim\Http\Response;
+use Slim\Http\Uri;
+
+class ShaarliMiddlewareTest extends TestCase
+{
+    protected const TMP_MOCK_FILE = '.tmp';
+
+    /** @var ShaarliContainer */
+    protected $container;
+
+    /** @var ShaarliMiddleware  */
+    protected $middleware;
+
+    public function setUp(): void
+    {
+        $this->container = $this->createMock(ShaarliContainer::class);
+
+        touch(static::TMP_MOCK_FILE);
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('getConfigFileExt')->willReturn(static::TMP_MOCK_FILE);
+
+        $this->container->loginManager = $this->createMock(LoginManager::class);
+
+        $this->container->environment = ['REQUEST_URI' => 'http://shaarli/subfolder/path'];
+
+        $this->middleware = new ShaarliMiddleware($this->container);
+    }
+
+    public function tearDown(): void
+    {
+        unlink(static::TMP_MOCK_FILE);
+    }
+
+    /**
+     * Test middleware execution with valid controller call
+     */
+    public function testMiddlewareExecution(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $response = new Response();
+        $controller = function (Request $request, Response $response): Response {
+            return $response->withStatus(418); // I'm a tea pot
+        };
+
+        /** @var Response $result */
+        $result = $this->middleware->__invoke($request, $response, $controller);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(418, $result->getStatusCode());
+    }
+
+    /**
+     * Test middleware execution with controller throwing a known front exception.
+     * The exception should be thrown to be later handled by the error handler.
+     */
+    public function testMiddlewareExecutionWithFrontException(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $response = new Response();
+        $controller = function (): void {
+            $exception = new LoginBannedException();
+
+            throw new $exception;
+        };
+
+        $pageBuilder = $this->createMock(PageBuilder::class);
+        $pageBuilder->method('render')->willReturnCallback(function (string $message): string {
+            return $message;
+        });
+        $this->container->pageBuilder = $pageBuilder;
+
+        $this->expectException(LoginBannedException::class);
+
+        $this->middleware->__invoke($request, $response, $controller);
+    }
+
+    /**
+     * Test middleware execution with controller throwing a not authorized exception
+     * The middle should send a redirection response to the login page.
+     */
+    public function testMiddlewareExecutionWithUnauthorizedException(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $response = new Response();
+        $controller = function (): void {
+            throw new UnauthorizedException();
+        };
+
+        /** @var Response $result */
+        $result = $this->middleware->__invoke($request, $response, $controller);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(
+            '/subfolder/login?returnurl=' . urlencode('http://shaarli/subfolder/path'),
+            $result->getHeader('location')[0]
+        );
+    }
+
+    /**
+     * Test middleware execution with controller throwing a not authorized exception.
+     * The exception should be thrown to be later handled by the error handler.
+     */
+    public function testMiddlewareExecutionWithServerException(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $dummyException = new class() extends \Exception {};
+
+        $response = new Response();
+        $controller = function () use ($dummyException): void {
+            throw $dummyException;
+        };
+
+        $parameters = [];
+        $this->container->pageBuilder = $this->createMock(PageBuilder::class);
+        $this->container->pageBuilder->method('render')->willReturnCallback(function (string $message): string {
+            return $message;
+        });
+        $this->container->pageBuilder
+            ->method('assign')
+            ->willReturnCallback(function (string $key, string $value) use (&$parameters): void {
+                $parameters[$key] = $value;
+            })
+        ;
+
+        $this->expectException(get_class($dummyException));
+
+        $this->middleware->__invoke($request, $response, $controller);
+    }
+
+    public function testMiddlewareExecutionWithUpdates(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $response = new Response();
+        $controller = function (Request $request, Response $response): Response {
+            return $response->withStatus(418); // I'm a tea pot
+        };
+
+        $this->container->loginManager = $this->createMock(LoginManager::class);
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->willReturnCallback(function (string $key): string {
+            return $key;
+        });
+        $this->container->conf->method('getConfigFileExt')->willReturn(static::TMP_MOCK_FILE);
+
+        $this->container->pageCacheManager = $this->createMock(PageCacheManager::class);
+        $this->container->pageCacheManager->expects(static::once())->method('invalidateCaches');
+
+        $this->container->updater = $this->createMock(Updater::class);
+        $this->container->updater
+            ->expects(static::once())
+            ->method('update')
+            ->willReturn(['update123'])
+        ;
+        $this->container->updater->method('getDoneUpdates')->willReturn($updates = ['update123', 'other']);
+        $this->container->updater
+            ->expects(static::once())
+            ->method('writeUpdates')
+            ->with('resource.updates', $updates)
+        ;
+
+        /** @var Response $result */
+        $result = $this->middleware->__invoke($request, $response, $controller);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(418, $result->getStatusCode());
+    }
+}
diff --git a/tests/front/controller/admin/ConfigureControllerTest.php b/tests/front/controller/admin/ConfigureControllerTest.php
new file mode 100644
index 00000000..aca6cff3
--- /dev/null
+++ b/tests/front/controller/admin/ConfigureControllerTest.php
@@ -0,0 +1,252 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Config\ConfigManager;
+use Shaarli\Front\Exception\WrongTokenException;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Shaarli\Thumbnailer;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class ConfigureControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ConfigureController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new ConfigureController($this->container);
+    }
+
+    /**
+     * Test displaying configure page - it should display all config variables
+     */
+    public function testIndex(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->willReturnCallback(function (string $key) {
+            return $key;
+        });
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('configure', (string) $result->getBody());
+
+        static::assertSame('Configure - general.title', $assignedVariables['pagetitle']);
+        static::assertSame('general.title', $assignedVariables['title']);
+        static::assertSame('resource.theme', $assignedVariables['theme']);
+        static::assertEmpty($assignedVariables['theme_available']);
+        static::assertSame(['default', 'markdown'], $assignedVariables['formatter_available']);
+        static::assertNotEmpty($assignedVariables['continents']);
+        static::assertNotEmpty($assignedVariables['cities']);
+        static::assertSame('general.retrieve_description', $assignedVariables['retrieve_description']);
+        static::assertSame('privacy.default_private_links', $assignedVariables['private_links_default']);
+        static::assertSame('security.session_protection_disabled', $assignedVariables['session_protection_disabled']);
+        static::assertSame('feed.rss_permalinks', $assignedVariables['enable_rss_permalinks']);
+        static::assertSame('updates.check_updates', $assignedVariables['enable_update_check']);
+        static::assertSame('privacy.hide_public_links', $assignedVariables['hide_public_links']);
+        static::assertSame('api.enabled', $assignedVariables['api_enabled']);
+        static::assertSame('api.secret', $assignedVariables['api_secret']);
+        static::assertCount(5, $assignedVariables['languages']);
+        static::assertArrayHasKey('gd_enabled', $assignedVariables);
+        static::assertSame('thumbnails.mode', $assignedVariables['thumbnails_mode']);
+    }
+
+    /**
+     * Test posting a new config - make sure that everything is saved properly, without errors.
+     */
+    public function testSaveNewConfig(): void
+    {
+        $session = [];
+        $this->assignSessionVars($session);
+
+        $parameters = [
+            'token' => 'token',
+            'continent' => 'Europe',
+            'city' => 'Moscow',
+            'title' => 'Shaarli',
+            'titleLink' => './',
+            'retrieveDescription' => 'on',
+            'theme' => 'vintage',
+            'disablesessionprotection' => null,
+            'privateLinkByDefault' => true,
+            'enableRssPermalinks' => true,
+            'updateCheck' => false,
+            'hidePublicLinks' => 'on',
+            'enableApi' => 'on',
+            'apiSecret' => 'abcdef',
+            'formatter' => 'markdown',
+            'language' => 'fr',
+            'enableThumbnails' => Thumbnailer::MODE_NONE,
+        ];
+
+        $parametersConfigMapping = [
+            'general.timezone' => $parameters['continent'] . '/' . $parameters['city'],
+            'general.title' => $parameters['title'],
+            'general.header_link' => $parameters['titleLink'],
+            'general.retrieve_description' => !!$parameters['retrieveDescription'],
+            'resource.theme' => $parameters['theme'],
+            'security.session_protection_disabled' => !!$parameters['disablesessionprotection'],
+            'privacy.default_private_links' => !!$parameters['privateLinkByDefault'],
+            'feed.rss_permalinks' => !!$parameters['enableRssPermalinks'],
+            'updates.check_updates' => !!$parameters['updateCheck'],
+            'privacy.hide_public_links' => !!$parameters['hidePublicLinks'],
+            'api.enabled' => !!$parameters['enableApi'],
+            'api.secret' => $parameters['apiSecret'],
+            'formatter' => $parameters['formatter'],
+            'translation.language' => $parameters['language'],
+            'thumbnails.mode' => $parameters['enableThumbnails'],
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')->willReturnCallback(function (string $key) use ($parameters) {
+                if (false === array_key_exists($key, $parameters)) {
+                    static::fail('unknown key: ' . $key);
+                }
+
+                return $parameters[$key];
+            }
+        );
+
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf
+            ->expects(static::atLeastOnce())
+            ->method('set')
+            ->willReturnCallback(function (string $key, $value) use ($parametersConfigMapping): void {
+                if (false === array_key_exists($key, $parametersConfigMapping)) {
+                    static::fail('unknown key: ' . $key);
+                }
+
+                static::assertSame($parametersConfigMapping[$key], $value);
+            }
+        );
+
+        $result = $this->controller->save($request, $response);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/configure'], $result->getHeader('Location'));
+
+        static::assertArrayNotHasKey(SessionManager::KEY_WARNING_MESSAGES, $session);
+        static::assertArrayNotHasKey(SessionManager::KEY_ERROR_MESSAGES, $session);
+        static::assertArrayHasKey(SessionManager::KEY_SUCCESS_MESSAGES, $session);
+        static::assertSame(['Configuration was saved.'], $session[SessionManager::KEY_SUCCESS_MESSAGES]);
+    }
+
+    /**
+     * Test posting a new config - wrong token.
+     */
+    public function testSaveNewConfigWrongToken(): void
+    {
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->willReturn(false);
+
+        $this->container->conf->expects(static::never())->method('set');
+        $this->container->conf->expects(static::never())->method('write');
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->expectException(WrongTokenException::class);
+
+        $this->controller->save($request, $response);
+    }
+
+    /**
+     * Test posting a new config - thumbnail activation.
+     */
+    public function testSaveNewConfigThumbnailsActivation(): void
+    {
+        $session = [];
+        $this->assignSessionVars($session);
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')->willReturnCallback(function (string $key) {
+                if ('enableThumbnails' === $key) {
+                    return Thumbnailer::MODE_ALL;
+                }
+
+                return $key;
+            })
+        ;
+        $response = new Response();
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/configure'], $result->getHeader('Location'));
+
+        static::assertArrayNotHasKey(SessionManager::KEY_ERROR_MESSAGES, $session);
+        static::assertArrayHasKey(SessionManager::KEY_WARNING_MESSAGES, $session);
+        static::assertStringContainsString(
+            'You have enabled or changed thumbnails mode',
+            $session[SessionManager::KEY_WARNING_MESSAGES][0]
+        );
+        static::assertArrayHasKey(SessionManager::KEY_SUCCESS_MESSAGES, $session);
+        static::assertSame(['Configuration was saved.'], $session[SessionManager::KEY_SUCCESS_MESSAGES]);
+    }
+
+    /**
+     * Test posting a new config - thumbnail activation.
+     */
+    public function testSaveNewConfigThumbnailsAlreadyActive(): void
+    {
+        $session = [];
+        $this->assignSessionVars($session);
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')->willReturnCallback(function (string $key) {
+                if ('enableThumbnails' === $key) {
+                    return Thumbnailer::MODE_ALL;
+                }
+
+                return $key;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf
+            ->expects(static::atLeastOnce())
+            ->method('get')
+            ->willReturnCallback(function (string $key): string {
+                if ('thumbnails.mode' === $key) {
+                    return Thumbnailer::MODE_ALL;
+                }
+
+                return $key;
+            })
+        ;
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/configure'], $result->getHeader('Location'));
+
+        static::assertArrayNotHasKey(SessionManager::KEY_ERROR_MESSAGES, $session);
+        static::assertArrayNotHasKey(SessionManager::KEY_WARNING_MESSAGES, $session);
+        static::assertArrayHasKey(SessionManager::KEY_SUCCESS_MESSAGES, $session);
+        static::assertSame(['Configuration was saved.'], $session[SessionManager::KEY_SUCCESS_MESSAGES]);
+    }
+}
diff --git a/tests/front/controller/admin/ExportControllerTest.php b/tests/front/controller/admin/ExportControllerTest.php
new file mode 100644
index 00000000..0e6f2762
--- /dev/null
+++ b/tests/front/controller/admin/ExportControllerTest.php
@@ -0,0 +1,163 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Formatter\BookmarkFormatter;
+use Shaarli\Formatter\BookmarkRawFormatter;
+use Shaarli\Netscape\NetscapeBookmarkUtils;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class ExportControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ExportController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new ExportController($this->container);
+    }
+
+    /**
+     * Test displaying export page
+     */
+    public function testIndex(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('export', (string) $result->getBody());
+
+        static::assertSame('Export - Shaarli', $assignedVariables['pagetitle']);
+    }
+
+    /**
+     * Test posting an export request
+     */
+    public function testExportDefault(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $parameters = [
+            'selection' => 'all',
+            'prepend_note_url' => 'on',
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key) use ($parameters) {
+            return $parameters[$key] ?? null;
+        });
+        $response = new Response();
+
+        $bookmarks = [
+            (new Bookmark())->setUrl('http://link1.tld')->setTitle('Title 1'),
+            (new Bookmark())->setUrl('http://link2.tld')->setTitle('Title 2'),
+        ];
+
+        $this->container->netscapeBookmarkUtils = $this->createMock(NetscapeBookmarkUtils::class);
+        $this->container->netscapeBookmarkUtils
+            ->expects(static::once())
+            ->method('filterAndFormat')
+            ->willReturnCallback(
+                function (
+                    BookmarkFormatter $formatter,
+                    string $selection,
+                    bool $prependNoteUrl,
+                    string $indexUrl
+                ) use ($parameters, $bookmarks): array {
+                    static::assertInstanceOf(BookmarkRawFormatter::class, $formatter);
+                    static::assertSame($parameters['selection'], $selection);
+                    static::assertTrue($prependNoteUrl);
+                    static::assertSame('http://shaarli/subfolder/', $indexUrl);
+
+                    return $bookmarks;
+                }
+            )
+        ;
+
+        $result = $this->controller->export($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('export.bookmarks', (string) $result->getBody());
+        static::assertSame(['text/html; charset=utf-8'], $result->getHeader('content-type'));
+        static::assertRegExp(
+            '/attachment; filename=bookmarks_all_[\d]{8}_[\d]{6}\.html/',
+            $result->getHeader('content-disposition')[0]
+        );
+
+        static::assertNotEmpty($assignedVariables['date']);
+        static::assertSame(PHP_EOL, $assignedVariables['eol']);
+        static::assertSame('all', $assignedVariables['selection']);
+        static::assertSame($bookmarks, $assignedVariables['links']);
+    }
+
+    /**
+     * Test posting an export request - without selection parameter
+     */
+    public function testExportSelectionMissing(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Please select an export mode.'])
+        ;
+
+        $result = $this->controller->export($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/export'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test posting an export request - without selection parameter
+     */
+    public function testExportErrorEncountered(): void
+    {
+        $parameters = [
+            'selection' => 'all',
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key) use ($parameters) {
+            return $parameters[$key] ?? null;
+        });
+        $response = new Response();
+
+        $this->container->netscapeBookmarkUtils = $this->createMock(NetscapeBookmarkUtils::class);
+        $this->container->netscapeBookmarkUtils
+            ->expects(static::once())
+            ->method('filterAndFormat')
+            ->willThrowException(new \Exception($message = 'error message'));
+        ;
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, [$message])
+        ;
+
+        $result = $this->controller->export($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/export'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/admin/FrontAdminControllerMockHelper.php b/tests/front/controller/admin/FrontAdminControllerMockHelper.php
new file mode 100644
index 00000000..2b9f2ef1
--- /dev/null
+++ b/tests/front/controller/admin/FrontAdminControllerMockHelper.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Container\ShaarliTestContainer;
+use Shaarli\Front\Controller\Visitor\FrontControllerMockHelper;
+use Shaarli\History;
+
+/**
+ * Trait FrontControllerMockHelper
+ *
+ * Helper trait used to initialize the ShaarliContainer and mock its services for admin controller tests.
+ *
+ * @property ShaarliTestContainer $container
+ */
+trait FrontAdminControllerMockHelper
+{
+    use FrontControllerMockHelper {
+        FrontControllerMockHelper::createContainer as parentCreateContainer;
+    }
+
+    /**
+     * Mock the container instance
+     */
+    protected function createContainer(): void
+    {
+        $this->parentCreateContainer();
+
+        $this->container->history = $this->createMock(History::class);
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+        $this->container->sessionManager->method('checkToken')->willReturn(true);
+    }
+
+
+    /**
+     * Pass a reference of an array which will be populated by `sessionManager->setSessionParameter`
+     * calls during execution.
+     *
+     * @param mixed $variables Array reference to populate.
+     */
+    protected function assignSessionVars(array &$variables): void
+    {
+        $this->container->sessionManager
+            ->expects(static::atLeastOnce())
+            ->method('setSessionParameter')
+            ->willReturnCallback(function ($key, $value) use (&$variables) {
+                $variables[$key] = $value;
+
+                return $this->container->sessionManager;
+            })
+        ;
+    }
+}
diff --git a/tests/front/controller/admin/ImportControllerTest.php b/tests/front/controller/admin/ImportControllerTest.php
new file mode 100644
index 00000000..c266caa5
--- /dev/null
+++ b/tests/front/controller/admin/ImportControllerTest.php
@@ -0,0 +1,148 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Psr\Http\Message\UploadedFileInterface;
+use Shaarli\Netscape\NetscapeBookmarkUtils;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+use Slim\Http\UploadedFile;
+
+class ImportControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ImportController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new ImportController($this->container);
+    }
+
+    /**
+     * Test displaying import page
+     */
+    public function testIndex(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('import', (string) $result->getBody());
+
+        static::assertSame('Import - Shaarli', $assignedVariables['pagetitle']);
+        static::assertIsInt($assignedVariables['maxfilesize']);
+        static::assertRegExp('/\d+[KM]iB/', $assignedVariables['maxfilesizeHuman']);
+    }
+
+    /**
+     * Test importing a file with default and valid parameters
+     */
+    public function testImportDefault(): void
+    {
+        $parameters = [
+            'abc' => 'def',
+            'other' => 'param',
+        ];
+
+        $requestFile = new UploadedFile('file', 'name', 'type', 123);
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParams')->willReturnCallback(function () use ($parameters) {
+            return $parameters;
+        });
+        $request->method('getUploadedFiles')->willReturn(['filetoupload' => $requestFile]);
+        $response = new Response();
+
+        $this->container->netscapeBookmarkUtils = $this->createMock(NetscapeBookmarkUtils::class);
+        $this->container->netscapeBookmarkUtils
+            ->expects(static::once())
+            ->method('import')
+            ->willReturnCallback(
+                function (
+                    array $post,
+                    UploadedFileInterface $file
+                ) use ($parameters, $requestFile): string {
+                    static::assertSame($parameters, $post);
+                    static::assertSame($requestFile, $file);
+
+                    return 'status';
+                }
+            )
+        ;
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_SUCCESS_MESSAGES, ['status'])
+        ;
+
+        $result = $this->controller->import($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/import'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test posting an import request - without import file
+     */
+    public function testImportFileMissing(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['No import file provided.'])
+        ;
+
+        $result = $this->controller->import($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/import'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test posting an import request - with an empty file
+     */
+    public function testImportEmptyFile(): void
+    {
+        $requestFile = new UploadedFile('file', 'name', 'type', 0);
+
+        $request = $this->createMock(Request::class);
+        $request->method('getUploadedFiles')->willReturn(['filetoupload' => $requestFile]);
+        $response = new Response();
+
+        $this->container->netscapeBookmarkUtils = $this->createMock(NetscapeBookmarkUtils::class);
+        $this->container->netscapeBookmarkUtils->expects(static::never())->method('filterAndFormat');
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->willReturnCallback(function (string $key, array $value): SessionManager {
+                static::assertSame(SessionManager::KEY_ERROR_MESSAGES, $key);
+                static::assertStringStartsWith('The file you are trying to upload is probably bigger', $value[0]);
+
+                return $this->container->sessionManager;
+            })
+        ;
+
+        $result = $this->controller->import($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/import'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/admin/LogoutControllerTest.php b/tests/front/controller/admin/LogoutControllerTest.php
new file mode 100644
index 00000000..94e53019
--- /dev/null
+++ b/tests/front/controller/admin/LogoutControllerTest.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Security\CookieManager;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class LogoutControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var LogoutController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new LogoutController($this->container);
+    }
+
+    public function testValidControllerInvoke(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->pageCacheManager->expects(static::once())->method('invalidateCaches');
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->expects(static::once())->method('logout');
+
+        $this->container->cookieManager = $this->createMock(CookieManager::class);
+        $this->container->cookieManager
+            ->expects(static::once())
+            ->method('setCookieParameter')
+            ->with(CookieManager::STAY_SIGNED_IN, 'false', 0, '/subfolder/')
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/admin/ManageShaareControllerTest/AddShaareTest.php b/tests/front/controller/admin/ManageShaareControllerTest/AddShaareTest.php
new file mode 100644
index 00000000..0f27ec2f
--- /dev/null
+++ b/tests/front/controller/admin/ManageShaareControllerTest/AddShaareTest.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin\ManageShaareControllerTest;
+
+use Shaarli\Front\Controller\Admin\FrontAdminControllerMockHelper;
+use Shaarli\Front\Controller\Admin\ManageShaareController;
+use Shaarli\Http\HttpAccess;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class AddShaareTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ManageShaareController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->httpAccess = $this->createMock(HttpAccess::class);
+        $this->controller = new ManageShaareController($this->container);
+    }
+
+    /**
+     * Test displaying add link page
+     */
+    public function testAddShaare(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->addShaare($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('addlink', (string) $result->getBody());
+
+        static::assertSame('Shaare a new link - Shaarli', $assignedVariables['pagetitle']);
+    }
+}
diff --git a/tests/front/controller/admin/ManageShaareControllerTest/ChangeVisibilityBookmarkTest.php b/tests/front/controller/admin/ManageShaareControllerTest/ChangeVisibilityBookmarkTest.php
new file mode 100644
index 00000000..096d0774
--- /dev/null
+++ b/tests/front/controller/admin/ManageShaareControllerTest/ChangeVisibilityBookmarkTest.php
@@ -0,0 +1,418 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin\ManageShaareControllerTest;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Bookmark\Exception\BookmarkNotFoundException;
+use Shaarli\Formatter\BookmarkFormatter;
+use Shaarli\Formatter\BookmarkRawFormatter;
+use Shaarli\Formatter\FormatterFactory;
+use Shaarli\Front\Controller\Admin\FrontAdminControllerMockHelper;
+use Shaarli\Front\Controller\Admin\ManageShaareController;
+use Shaarli\Http\HttpAccess;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class ChangeVisibilityBookmarkTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ManageShaareController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->httpAccess = $this->createMock(HttpAccess::class);
+        $this->controller = new ManageShaareController($this->container);
+    }
+
+    /**
+     * Change bookmark visibility - Set private - Single public bookmark with valid parameters
+     */
+    public function testSetSingleBookmarkPrivate(): void
+    {
+        $parameters = ['id' => '123', 'newVisibility' => 'private'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmark = (new Bookmark())->setId(123)->setUrl('http://domain.tld')->setTitle('Title 123')->setPrivate(false);
+
+        static::assertFalse($bookmark->isPrivate());
+
+        $this->container->bookmarkService->expects(static::once())->method('get')->with(123)->willReturn($bookmark);
+        $this->container->bookmarkService->expects(static::once())->method('set')->with($bookmark, false);
+        $this->container->bookmarkService->expects(static::once())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturnCallback(function () use ($bookmark): BookmarkFormatter {
+                return new BookmarkRawFormatter($this->container->conf, true);
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::once())
+            ->method('executeHooks')
+            ->with('save_link')
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertTrue($bookmark->isPrivate());
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Change bookmark visibility - Set public - Single private bookmark with valid parameters
+     */
+    public function testSetSingleBookmarkPublic(): void
+    {
+        $parameters = ['id' => '123', 'newVisibility' => 'public'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmark = (new Bookmark())->setId(123)->setUrl('http://domain.tld')->setTitle('Title 123')->setPrivate(true);
+
+        static::assertTrue($bookmark->isPrivate());
+
+        $this->container->bookmarkService->expects(static::once())->method('get')->with(123)->willReturn($bookmark);
+        $this->container->bookmarkService->expects(static::once())->method('set')->with($bookmark, false);
+        $this->container->bookmarkService->expects(static::once())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturn(new BookmarkRawFormatter($this->container->conf, true))
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::once())
+            ->method('executeHooks')
+            ->with('save_link')
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertFalse($bookmark->isPrivate());
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Change bookmark visibility - Set private on single already private bookmark
+     */
+    public function testSetSinglePrivateBookmarkPrivate(): void
+    {
+        $parameters = ['id' => '123', 'newVisibility' => 'private'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmark = (new Bookmark())->setId(123)->setUrl('http://domain.tld')->setTitle('Title 123')->setPrivate(true);
+
+        static::assertTrue($bookmark->isPrivate());
+
+        $this->container->bookmarkService->expects(static::once())->method('get')->with(123)->willReturn($bookmark);
+        $this->container->bookmarkService->expects(static::once())->method('set')->with($bookmark, false);
+        $this->container->bookmarkService->expects(static::once())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturn(new BookmarkRawFormatter($this->container->conf, true))
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::once())
+            ->method('executeHooks')
+            ->with('save_link')
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertTrue($bookmark->isPrivate());
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Change bookmark visibility - Set multiple bookmarks private
+     */
+    public function testSetMultipleBookmarksPrivate(): void
+    {
+        $parameters = ['id' => '123 456 789', 'newVisibility' => 'private'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmarks = [
+            (new Bookmark())->setId(123)->setUrl('http://domain.tld')->setTitle('Title 123')->setPrivate(false),
+            (new Bookmark())->setId(456)->setUrl('http://domain.tld')->setTitle('Title 456')->setPrivate(true),
+            (new Bookmark())->setId(789)->setUrl('http://domain.tld')->setTitle('Title 789')->setPrivate(false),
+        ];
+
+        $this->container->bookmarkService
+            ->expects(static::exactly(3))
+            ->method('get')
+            ->withConsecutive([123], [456], [789])
+            ->willReturnOnConsecutiveCalls(...$bookmarks)
+        ;
+        $this->container->bookmarkService
+            ->expects(static::exactly(3))
+            ->method('set')
+            ->withConsecutive(...array_map(function (Bookmark $bookmark): array {
+                return [$bookmark, false];
+            }, $bookmarks))
+        ;
+        $this->container->bookmarkService->expects(static::once())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturn(new BookmarkRawFormatter($this->container->conf, true))
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::exactly(3))
+            ->method('executeHooks')
+            ->with('save_link')
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertTrue($bookmarks[0]->isPrivate());
+        static::assertTrue($bookmarks[1]->isPrivate());
+        static::assertTrue($bookmarks[2]->isPrivate());
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Change bookmark visibility - Single bookmark not found.
+     */
+    public function testChangeVisibilitySingleBookmarkNotFound(): void
+    {
+        $parameters = ['id' => '123', 'newVisibility' => 'private'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('get')
+            ->willThrowException(new BookmarkNotFoundException())
+        ;
+        $this->container->bookmarkService->expects(static::never())->method('set');
+        $this->container->bookmarkService->expects(static::never())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturn(new BookmarkRawFormatter($this->container->conf, true))
+        ;
+
+        // Make sure that PluginManager hook is not triggered
+        $this->container->pluginManager
+            ->expects(static::never())
+            ->method('executeHooks')
+            ->with('save_link')
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Change bookmark visibility - Multiple bookmarks with one not found.
+     */
+    public function testChangeVisibilityMultipleBookmarksOneNotFound(): void
+    {
+        $parameters = ['id' => '123 456 789', 'newVisibility' => 'public'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmarks = [
+            (new Bookmark())->setId(123)->setUrl('http://domain.tld')->setTitle('Title 123')->setPrivate(true),
+            (new Bookmark())->setId(789)->setUrl('http://domain.tld')->setTitle('Title 789')->setPrivate(false),
+        ];
+
+        $this->container->bookmarkService
+            ->expects(static::exactly(3))
+            ->method('get')
+            ->withConsecutive([123], [456], [789])
+            ->willReturnCallback(function (int $id) use ($bookmarks): Bookmark {
+                if ($id === 123) {
+                    return $bookmarks[0];
+                }
+                if ($id === 789) {
+                    return $bookmarks[1];
+                }
+                throw new BookmarkNotFoundException();
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::exactly(2))
+            ->method('set')
+            ->withConsecutive(...array_map(function (Bookmark $bookmark): array {
+                return [$bookmark, false];
+            }, $bookmarks))
+        ;
+        $this->container->bookmarkService->expects(static::once())->method('save');
+
+        // Make sure that PluginManager hook is not triggered
+        $this->container->pluginManager
+            ->expects(static::exactly(2))
+            ->method('executeHooks')
+            ->with('save_link')
+        ;
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Bookmark with identifier 456 could not be found.'])
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Change bookmark visibility - Invalid ID
+     */
+    public function testChangeVisibilityInvalidId(): void
+    {
+        $parameters = ['id' => 'nope not an ID', 'newVisibility' => 'private'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Invalid bookmark ID provided.'])
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Change bookmark visibility - Empty ID
+     */
+    public function testChangeVisibilityEmptyId(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Invalid bookmark ID provided.'])
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Change bookmark visibility - with invalid visibility
+     */
+    public function testChangeVisibilityWithInvalidVisibility(): void
+    {
+        $parameters = ['id' => '123', 'newVisibility' => 'invalid'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Invalid visibility provided.'])
+        ;
+
+        $result = $this->controller->changeVisibility($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/admin/ManageShaareControllerTest/DeleteBookmarkTest.php b/tests/front/controller/admin/ManageShaareControllerTest/DeleteBookmarkTest.php
new file mode 100644
index 00000000..ba774e21
--- /dev/null
+++ b/tests/front/controller/admin/ManageShaareControllerTest/DeleteBookmarkTest.php
@@ -0,0 +1,376 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin\ManageShaareControllerTest;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Bookmark\Exception\BookmarkNotFoundException;
+use Shaarli\Formatter\BookmarkFormatter;
+use Shaarli\Formatter\FormatterFactory;
+use Shaarli\Front\Controller\Admin\FrontAdminControllerMockHelper;
+use Shaarli\Front\Controller\Admin\ManageShaareController;
+use Shaarli\Http\HttpAccess;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class DeleteBookmarkTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ManageShaareController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->httpAccess = $this->createMock(HttpAccess::class);
+        $this->controller = new ManageShaareController($this->container);
+    }
+
+    /**
+     * Delete bookmark - Single bookmark with valid parameters
+     */
+    public function testDeleteSingleBookmark(): void
+    {
+        $parameters = ['id' => '123'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmark = (new Bookmark())->setId(123)->setUrl('http://domain.tld')->setTitle('Title 123');
+
+        $this->container->bookmarkService->expects(static::once())->method('get')->with(123)->willReturn($bookmark);
+        $this->container->bookmarkService->expects(static::once())->method('remove')->with($bookmark, false);
+        $this->container->bookmarkService->expects(static::once())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturnCallback(function () use ($bookmark): BookmarkFormatter {
+                $formatter = $this->createMock(BookmarkFormatter::class);
+                $formatter
+                    ->expects(static::once())
+                    ->method('format')
+                    ->with($bookmark)
+                    ->willReturn(['formatted' => $bookmark])
+                ;
+
+                return $formatter;
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::once())
+            ->method('executeHooks')
+            ->with('delete_link', ['formatted' => $bookmark])
+        ;
+
+        $result = $this->controller->deleteBookmark($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Delete bookmark - Multiple bookmarks with valid parameters
+     */
+    public function testDeleteMultipleBookmarks(): void
+    {
+        $parameters = ['id' => '123 456 789'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmarks = [
+            (new Bookmark())->setId(123)->setUrl('http://domain.tld')->setTitle('Title 123'),
+            (new Bookmark())->setId(456)->setUrl('http://domain.tld')->setTitle('Title 456'),
+            (new Bookmark())->setId(789)->setUrl('http://domain.tld')->setTitle('Title 789'),
+        ];
+
+        $this->container->bookmarkService
+            ->expects(static::exactly(3))
+            ->method('get')
+            ->withConsecutive([123], [456], [789])
+            ->willReturnOnConsecutiveCalls(...$bookmarks)
+        ;
+        $this->container->bookmarkService
+            ->expects(static::exactly(3))
+            ->method('remove')
+            ->withConsecutive(...array_map(function (Bookmark $bookmark): array {
+                return [$bookmark, false];
+            }, $bookmarks))
+        ;
+        $this->container->bookmarkService->expects(static::once())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturnCallback(function () use ($bookmarks): BookmarkFormatter {
+                $formatter = $this->createMock(BookmarkFormatter::class);
+
+                $formatter
+                    ->expects(static::exactly(3))
+                    ->method('format')
+                    ->withConsecutive(...array_map(function (Bookmark $bookmark): array {
+                        return [$bookmark];
+                    }, $bookmarks))
+                    ->willReturnOnConsecutiveCalls(...array_map(function (Bookmark $bookmark): array {
+                        return ['formatted' => $bookmark];
+                    }, $bookmarks))
+                ;
+
+                return $formatter;
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::exactly(3))
+            ->method('executeHooks')
+            ->with('delete_link')
+        ;
+
+        $result = $this->controller->deleteBookmark($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Delete bookmark - Single bookmark not found in the data store
+     */
+    public function testDeleteSingleBookmarkNotFound(): void
+    {
+        $parameters = ['id' => '123'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('get')
+            ->willThrowException(new BookmarkNotFoundException())
+        ;
+        $this->container->bookmarkService->expects(static::never())->method('remove');
+        $this->container->bookmarkService->expects(static::never())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturnCallback(function (): BookmarkFormatter {
+                $formatter = $this->createMock(BookmarkFormatter::class);
+
+                $formatter->expects(static::never())->method('format');
+
+                return $formatter;
+            })
+        ;
+        // Make sure that PluginManager hook is not triggered
+        $this->container->pluginManager
+            ->expects(static::never())
+            ->method('executeHooks')
+            ->with('delete_link')
+        ;
+
+        $result = $this->controller->deleteBookmark($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Delete bookmark - Multiple bookmarks with one not found in the data store
+     */
+    public function testDeleteMultipleBookmarksOneNotFound(): void
+    {
+        $parameters = ['id' => '123 456 789'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmarks = [
+            (new Bookmark())->setId(123)->setUrl('http://domain.tld')->setTitle('Title 123'),
+            (new Bookmark())->setId(789)->setUrl('http://domain.tld')->setTitle('Title 789'),
+        ];
+
+        $this->container->bookmarkService
+            ->expects(static::exactly(3))
+            ->method('get')
+            ->withConsecutive([123], [456], [789])
+            ->willReturnCallback(function (int $id) use ($bookmarks): Bookmark {
+                if ($id === 123) {
+                    return $bookmarks[0];
+                }
+                if ($id === 789) {
+                    return $bookmarks[1];
+                }
+                throw new BookmarkNotFoundException();
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::exactly(2))
+            ->method('remove')
+            ->withConsecutive(...array_map(function (Bookmark $bookmark): array {
+                return [$bookmark, false];
+            }, $bookmarks))
+        ;
+        $this->container->bookmarkService->expects(static::once())->method('save');
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->with('raw')
+            ->willReturnCallback(function () use ($bookmarks): BookmarkFormatter {
+                $formatter = $this->createMock(BookmarkFormatter::class);
+
+                $formatter
+                    ->expects(static::exactly(2))
+                    ->method('format')
+                    ->withConsecutive(...array_map(function (Bookmark $bookmark): array {
+                        return [$bookmark];
+                    }, $bookmarks))
+                    ->willReturnOnConsecutiveCalls(...array_map(function (Bookmark $bookmark): array {
+                        return ['formatted' => $bookmark];
+                    }, $bookmarks))
+                ;
+
+                return $formatter;
+            })
+        ;
+
+        // Make sure that PluginManager hook is not triggered
+        $this->container->pluginManager
+            ->expects(static::exactly(2))
+            ->method('executeHooks')
+            ->with('delete_link')
+        ;
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Bookmark with identifier 456 could not be found.'])
+        ;
+
+        $result = $this->controller->deleteBookmark($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Delete bookmark - Invalid ID
+     */
+    public function testDeleteInvalidId(): void
+    {
+        $parameters = ['id' => 'nope not an ID'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Invalid bookmark ID provided.'])
+        ;
+
+        $result = $this->controller->deleteBookmark($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Delete bookmark - Empty ID
+     */
+    public function testDeleteEmptyId(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Invalid bookmark ID provided.'])
+        ;
+
+        $result = $this->controller->deleteBookmark($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Delete bookmark - from bookmarklet
+     */
+    public function testDeleteBookmarkFromBookmarklet(): void
+    {
+        $parameters = [
+            'id' => '123',
+            'source' => 'bookmarklet',
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->expects(static::once())
+            ->method('getFormatter')
+            ->willReturnCallback(function (): BookmarkFormatter {
+                $formatter = $this->createMock(BookmarkFormatter::class);
+                $formatter->method('format')->willReturn(['formatted']);
+
+                return $formatter;
+            })
+        ;
+
+        $result = $this->controller->deleteBookmark($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('<script>self.close();</script>', (string) $result->getBody('location'));
+    }
+}
diff --git a/tests/front/controller/admin/ManageShaareControllerTest/DisplayCreateFormTest.php b/tests/front/controller/admin/ManageShaareControllerTest/DisplayCreateFormTest.php
new file mode 100644
index 00000000..2eb95251
--- /dev/null
+++ b/tests/front/controller/admin/ManageShaareControllerTest/DisplayCreateFormTest.php
@@ -0,0 +1,317 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin\ManageShaareControllerTest;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Config\ConfigManager;
+use Shaarli\Front\Controller\Admin\FrontAdminControllerMockHelper;
+use Shaarli\Front\Controller\Admin\ManageShaareController;
+use Shaarli\Http\HttpAccess;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class DisplayCreateFormTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ManageShaareController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->httpAccess = $this->createMock(HttpAccess::class);
+        $this->controller = new ManageShaareController($this->container);
+    }
+
+    /**
+     * Test displaying bookmark create form
+     * Ensure that every step of the standard workflow works properly.
+     */
+    public function testDisplayCreateFormWithUrl(): void
+    {
+        $this->container->environment = [
+            'HTTP_REFERER' => $referer = 'http://shaarli/subfolder/controller/?searchtag=abc'
+        ];
+
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $url = 'http://url.tld/other?part=3&utm_ad=pay#hash';
+        $expectedUrl = str_replace('&utm_ad=pay', '', $url);
+        $remoteTitle = 'Remote Title';
+        $remoteDesc = 'Sometimes the meta description is relevant.';
+        $remoteTags = 'abc def';
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key) use ($url): ?string {
+            return $key === 'post' ? $url : null;
+        });
+        $response = new Response();
+
+        $this->container->httpAccess
+            ->expects(static::once())
+            ->method('getCurlDownloadCallback')
+            ->willReturnCallback(
+                function (&$charset, &$title, &$description, &$tags) use (
+                    $remoteTitle,
+                    $remoteDesc,
+                    $remoteTags
+                ): callable {
+                    return function () use (
+                        &$charset,
+                        &$title,
+                        &$description,
+                        &$tags,
+                        $remoteTitle,
+                        $remoteDesc,
+                        $remoteTags
+                    ): void {
+                        $charset = 'ISO-8859-1';
+                        $title = $remoteTitle;
+                        $description = $remoteDesc;
+                        $tags = $remoteTags;
+                    };
+                }
+            )
+        ;
+        $this->container->httpAccess
+            ->expects(static::once())
+            ->method('getHttpResponse')
+            ->with($expectedUrl, 30, 4194304)
+            ->willReturnCallback(function($url, $timeout, $maxBytes, $callback): void {
+                $callback();
+            })
+        ;
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('bookmarksCountPerTag')
+            ->willReturn($tags = ['tag1' => 2, 'tag2' => 1])
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_editlink'], ['render_includes'])
+            ->willReturnCallback(function (string $hook, array $data) use ($remoteTitle, $remoteDesc): array {
+                if ('render_editlink' === $hook) {
+                    static::assertSame($remoteTitle, $data['link']['title']);
+                    static::assertSame($remoteDesc, $data['link']['description']);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->displayCreateForm($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('editlink', (string) $result->getBody());
+
+        static::assertSame('Shaare - Shaarli', $assignedVariables['pagetitle']);
+
+        static::assertSame($expectedUrl, $assignedVariables['link']['url']);
+        static::assertSame($remoteTitle, $assignedVariables['link']['title']);
+        static::assertSame($remoteDesc, $assignedVariables['link']['description']);
+        static::assertSame($remoteTags, $assignedVariables['link']['tags']);
+        static::assertFalse($assignedVariables['link']['private']);
+
+        static::assertTrue($assignedVariables['link_is_new']);
+        static::assertSame($referer, $assignedVariables['http_referer']);
+        static::assertSame($tags, $assignedVariables['tags']);
+        static::assertArrayHasKey('source', $assignedVariables);
+        static::assertArrayHasKey('default_private_links', $assignedVariables);
+    }
+
+    /**
+     * Test displaying bookmark create form
+     * Ensure all available query parameters are handled properly.
+     */
+    public function testDisplayCreateFormWithFullParameters(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $parameters = [
+            'post' => 'http://url.tld/other?part=3&utm_ad=pay#hash',
+            'title' => 'Provided Title',
+            'description' => 'Provided description.',
+            'tags' => 'abc def',
+            'private' => '1',
+            'source' => 'apps',
+        ];
+        $expectedUrl = str_replace('&utm_ad=pay', '', $parameters['post']);
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            });
+        $response = new Response();
+
+        $result = $this->controller->displayCreateForm($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('editlink', (string) $result->getBody());
+
+        static::assertSame('Shaare - Shaarli', $assignedVariables['pagetitle']);
+
+        static::assertSame($expectedUrl, $assignedVariables['link']['url']);
+        static::assertSame($parameters['title'], $assignedVariables['link']['title']);
+        static::assertSame($parameters['description'], $assignedVariables['link']['description']);
+        static::assertSame($parameters['tags'], $assignedVariables['link']['tags']);
+        static::assertTrue($assignedVariables['link']['private']);
+        static::assertTrue($assignedVariables['link_is_new']);
+        static::assertSame($parameters['source'], $assignedVariables['source']);
+    }
+
+    /**
+     * Test displaying bookmark create form
+     * Without any parameter.
+     */
+    public function testDisplayCreateFormEmpty(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->httpAccess->expects(static::never())->method('getHttpResponse');
+        $this->container->httpAccess->expects(static::never())->method('getCurlDownloadCallback');
+
+        $result = $this->controller->displayCreateForm($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('editlink', (string) $result->getBody());
+        static::assertSame('', $assignedVariables['link']['url']);
+        static::assertSame('Note: ', $assignedVariables['link']['title']);
+        static::assertSame('', $assignedVariables['link']['description']);
+        static::assertSame('', $assignedVariables['link']['tags']);
+        static::assertFalse($assignedVariables['link']['private']);
+        static::assertTrue($assignedVariables['link_is_new']);
+    }
+
+    /**
+     * Test displaying bookmark create form
+     * URL not using HTTP protocol: do not try to retrieve the title
+     */
+    public function testDisplayCreateFormNotHttp(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $url = 'magnet://kubuntu.torrent';
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($url): ?string {
+                return $key === 'post' ? $url : null;
+            });
+        $response = new Response();
+
+        $this->container->httpAccess->expects(static::never())->method('getHttpResponse');
+        $this->container->httpAccess->expects(static::never())->method('getCurlDownloadCallback');
+
+        $result = $this->controller->displayCreateForm($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('editlink', (string) $result->getBody());
+        static::assertSame($url, $assignedVariables['link']['url']);
+        static::assertTrue($assignedVariables['link_is_new']);
+    }
+
+    /**
+     * Test displaying bookmark create form
+     * When markdown formatter is enabled, the no markdown tag should be added to existing tags.
+     */
+    public function testDisplayCreateFormWithMarkdownEnabled(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf
+            ->expects(static::atLeastOnce())
+            ->method('get')->willReturnCallback(function (string $key): ?string {
+                if ($key === 'formatter') {
+                    return 'markdown';
+                }
+
+                return $key;
+            })
+        ;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->displayCreateForm($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('editlink', (string) $result->getBody());
+        static::assertSame(['nomarkdown' => 1], $assignedVariables['tags']);
+    }
+
+    /**
+     * Test displaying bookmark create form
+     * When an existing URL is submitted, we want to edit the existing link.
+     */
+    public function testDisplayCreateFormWithExistingUrl(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $url = 'http://url.tld/other?part=3&utm_ad=pay#hash';
+        $expectedUrl = str_replace('&utm_ad=pay', '', $url);
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($url): ?string {
+                return $key === 'post' ? $url : null;
+            });
+        $response = new Response();
+
+        $this->container->httpAccess->expects(static::never())->method('getHttpResponse');
+        $this->container->httpAccess->expects(static::never())->method('getCurlDownloadCallback');
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('findByUrl')
+            ->with($expectedUrl)
+            ->willReturn(
+                (new Bookmark())
+                    ->setId($id = 23)
+                    ->setUrl($expectedUrl)
+                    ->setTitle($title = 'Bookmark Title')
+                    ->setDescription($description = 'Bookmark description.')
+                    ->setTags($tags = ['abc', 'def'])
+                    ->setPrivate(true)
+                    ->setCreated($createdAt = new \DateTime('2020-06-10 18:45:44'))
+            )
+        ;
+
+        $result = $this->controller->displayCreateForm($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('editlink', (string) $result->getBody());
+
+        static::assertSame('Edit Shaare - Shaarli', $assignedVariables['pagetitle']);
+        static::assertFalse($assignedVariables['link_is_new']);
+
+        static::assertSame($id, $assignedVariables['link']['id']);
+        static::assertSame($expectedUrl, $assignedVariables['link']['url']);
+        static::assertSame($title, $assignedVariables['link']['title']);
+        static::assertSame($description, $assignedVariables['link']['description']);
+        static::assertSame(implode(' ', $tags), $assignedVariables['link']['tags']);
+        static::assertTrue($assignedVariables['link']['private']);
+        static::assertSame($createdAt, $assignedVariables['link']['created']);
+    }
+}
diff --git a/tests/front/controller/admin/ManageShaareControllerTest/DisplayEditFormTest.php b/tests/front/controller/admin/ManageShaareControllerTest/DisplayEditFormTest.php
new file mode 100644
index 00000000..2dc3f41c
--- /dev/null
+++ b/tests/front/controller/admin/ManageShaareControllerTest/DisplayEditFormTest.php
@@ -0,0 +1,155 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin\ManageShaareControllerTest;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Bookmark\Exception\BookmarkNotFoundException;
+use Shaarli\Front\Controller\Admin\FrontAdminControllerMockHelper;
+use Shaarli\Front\Controller\Admin\ManageShaareController;
+use Shaarli\Http\HttpAccess;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class DisplayEditFormTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ManageShaareController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->httpAccess = $this->createMock(HttpAccess::class);
+        $this->controller = new ManageShaareController($this->container);
+    }
+
+    /**
+     * Test displaying bookmark edit form
+     * When an existing ID is provided, ensure that default workflow works properly.
+     */
+    public function testDisplayEditFormDefault(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $id = 11;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->httpAccess->expects(static::never())->method('getHttpResponse');
+        $this->container->httpAccess->expects(static::never())->method('getCurlDownloadCallback');
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('get')
+            ->with($id)
+            ->willReturn(
+                (new Bookmark())
+                    ->setId($id)
+                    ->setUrl($url = 'http://domain.tld')
+                    ->setTitle($title = 'Bookmark Title')
+                    ->setDescription($description = 'Bookmark description.')
+                    ->setTags($tags = ['abc', 'def'])
+                    ->setPrivate(true)
+                    ->setCreated($createdAt = new \DateTime('2020-06-10 18:45:44'))
+            )
+        ;
+
+        $result = $this->controller->displayEditForm($request, $response, ['id' => (string) $id]);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('editlink', (string) $result->getBody());
+
+        static::assertSame('Edit Shaare - Shaarli', $assignedVariables['pagetitle']);
+        static::assertFalse($assignedVariables['link_is_new']);
+
+        static::assertSame($id, $assignedVariables['link']['id']);
+        static::assertSame($url, $assignedVariables['link']['url']);
+        static::assertSame($title, $assignedVariables['link']['title']);
+        static::assertSame($description, $assignedVariables['link']['description']);
+        static::assertSame(implode(' ', $tags), $assignedVariables['link']['tags']);
+        static::assertTrue($assignedVariables['link']['private']);
+        static::assertSame($createdAt, $assignedVariables['link']['created']);
+    }
+
+    /**
+     * Test displaying bookmark edit form
+     * Invalid ID provided.
+     */
+    public function testDisplayEditFormInvalidId(): void
+    {
+        $id = 'invalid';
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Bookmark with identifier invalid could not be found.'])
+        ;
+
+        $result = $this->controller->displayEditForm($request, $response, ['id' => $id]);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test displaying bookmark edit form
+     * ID not provided.
+     */
+    public function testDisplayEditFormIdNotProvided(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Bookmark with identifier  could not be found.'])
+        ;
+
+        $result = $this->controller->displayEditForm($request, $response, []);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test displaying bookmark edit form
+     * Bookmark not found.
+     */
+    public function testDisplayEditFormBookmarkNotFound(): void
+    {
+        $id = 123;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('get')
+            ->with($id)
+            ->willThrowException(new BookmarkNotFoundException())
+        ;
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Bookmark with identifier 123 could not be found.'])
+        ;
+
+        $result = $this->controller->displayEditForm($request, $response, ['id' => (string) $id]);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/admin/ManageShaareControllerTest/PinBookmarkTest.php b/tests/front/controller/admin/ManageShaareControllerTest/PinBookmarkTest.php
new file mode 100644
index 00000000..50ce7df1
--- /dev/null
+++ b/tests/front/controller/admin/ManageShaareControllerTest/PinBookmarkTest.php
@@ -0,0 +1,145 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin\ManageShaareControllerTest;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Bookmark\Exception\BookmarkNotFoundException;
+use Shaarli\Front\Controller\Admin\FrontAdminControllerMockHelper;
+use Shaarli\Front\Controller\Admin\ManageShaareController;
+use Shaarli\Http\HttpAccess;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class PinBookmarkTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ManageShaareController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->httpAccess = $this->createMock(HttpAccess::class);
+        $this->controller = new ManageShaareController($this->container);
+    }
+
+    /**
+     * Test pin bookmark - with valid input
+     *
+     * @dataProvider initialStickyValuesProvider()
+     */
+    public function testPinBookmarkIsStickyNull(?bool $sticky, bool $expectedValue): void
+    {
+        $id = 123;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $bookmark = (new Bookmark())
+            ->setId(123)
+            ->setUrl('http://domain.tld')
+            ->setTitle('Title 123')
+            ->setSticky($sticky)
+        ;
+
+        $this->container->bookmarkService->expects(static::once())->method('get')->with(123)->willReturn($bookmark);
+        $this->container->bookmarkService->expects(static::once())->method('set')->with($bookmark, true);
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::once())
+            ->method('executeHooks')
+            ->with('save_link')
+        ;
+
+        $result = $this->controller->pinBookmark($request, $response, ['id' => (string) $id]);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+
+        static::assertSame($expectedValue, $bookmark->isSticky());
+    }
+
+    public function initialStickyValuesProvider(): array
+    {
+        // [initialStickyState, isStickyAfterPin]
+        return [[null, true], [false, true], [true, false]];
+    }
+
+    /**
+     * Test pin bookmark - invalid bookmark ID
+     */
+    public function testDisplayEditFormInvalidId(): void
+    {
+        $id = 'invalid';
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Bookmark with identifier invalid could not be found.'])
+        ;
+
+        $result = $this->controller->pinBookmark($request, $response, ['id' => $id]);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test pin bookmark - Bookmark ID not provided
+     */
+    public function testDisplayEditFormIdNotProvided(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Bookmark with identifier  could not be found.'])
+        ;
+
+        $result = $this->controller->pinBookmark($request, $response, []);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test pin bookmark - bookmark not found
+     */
+    public function testDisplayEditFormBookmarkNotFound(): void
+    {
+        $id = 123;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('get')
+            ->with($id)
+            ->willThrowException(new BookmarkNotFoundException())
+        ;
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Bookmark with identifier 123 could not be found.'])
+        ;
+
+        $result = $this->controller->pinBookmark($request, $response, ['id' => (string) $id]);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/admin/ManageShaareControllerTest/SaveBookmarkTest.php b/tests/front/controller/admin/ManageShaareControllerTest/SaveBookmarkTest.php
new file mode 100644
index 00000000..f7a68226
--- /dev/null
+++ b/tests/front/controller/admin/ManageShaareControllerTest/SaveBookmarkTest.php
@@ -0,0 +1,308 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin\ManageShaareControllerTest;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Config\ConfigManager;
+use Shaarli\Front\Controller\Admin\FrontAdminControllerMockHelper;
+use Shaarli\Front\Controller\Admin\ManageShaareController;
+use Shaarli\Front\Exception\WrongTokenException;
+use Shaarli\Http\HttpAccess;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Shaarli\Thumbnailer;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class SaveBookmarkTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ManageShaareController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->httpAccess = $this->createMock(HttpAccess::class);
+        $this->controller = new ManageShaareController($this->container);
+    }
+
+    /**
+     * Test save a new bookmark
+     */
+    public function testSaveBookmark(): void
+    {
+        $id = 21;
+        $parameters = [
+            'lf_url' => 'http://url.tld/other?part=3#hash',
+            'lf_title' => 'Provided Title',
+            'lf_description' => 'Provided description.',
+            'lf_tags' => 'abc def',
+            'lf_private' => '1',
+            'returnurl' => 'http://shaarli/subfolder/admin/add-shaare'
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $checkBookmark = function (Bookmark $bookmark) use ($parameters) {
+            static::assertSame($parameters['lf_url'], $bookmark->getUrl());
+            static::assertSame($parameters['lf_title'], $bookmark->getTitle());
+            static::assertSame($parameters['lf_description'], $bookmark->getDescription());
+            static::assertSame($parameters['lf_tags'], $bookmark->getTagsString());
+            static::assertTrue($bookmark->isPrivate());
+        };
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('addOrSet')
+            ->willReturnCallback(function (Bookmark $bookmark, bool $save) use ($checkBookmark, $id): void {
+                static::assertFalse($save);
+
+                $checkBookmark($bookmark);
+
+                $bookmark->setId($id);
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('set')
+            ->willReturnCallback(function (Bookmark $bookmark, bool $save) use ($checkBookmark, $id): void {
+                static::assertTrue($save);
+
+                $checkBookmark($bookmark);
+
+                static::assertSame($id, $bookmark->getId());
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['save_link'])
+            ->willReturnCallback(function (string $hook, array $data) use ($parameters, $id): array {
+                if ('save_link' === $hook) {
+                    static::assertSame($id, $data['id']);
+                    static::assertSame($parameters['lf_url'], $data['url']);
+                    static::assertSame($parameters['lf_title'], $data['title']);
+                    static::assertSame($parameters['lf_description'], $data['description']);
+                    static::assertSame($parameters['lf_tags'], $data['tags']);
+                    static::assertTrue($data['private']);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertRegExp('@/subfolder/#[\w\-]{6}@', $result->getHeader('location')[0]);
+    }
+
+
+    /**
+     * Test save an existing bookmark
+     */
+    public function testSaveExistingBookmark(): void
+    {
+        $id = 21;
+        $parameters = [
+            'lf_id' => (string) $id,
+            'lf_url' => 'http://url.tld/other?part=3#hash',
+            'lf_title' => 'Provided Title',
+            'lf_description' => 'Provided description.',
+            'lf_tags' => 'abc def',
+            'lf_private' => '1',
+            'returnurl' => 'http://shaarli/subfolder/?page=2'
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $checkBookmark = function (Bookmark $bookmark) use ($parameters, $id) {
+            static::assertSame($id, $bookmark->getId());
+            static::assertSame($parameters['lf_url'], $bookmark->getUrl());
+            static::assertSame($parameters['lf_title'], $bookmark->getTitle());
+            static::assertSame($parameters['lf_description'], $bookmark->getDescription());
+            static::assertSame($parameters['lf_tags'], $bookmark->getTagsString());
+            static::assertTrue($bookmark->isPrivate());
+        };
+
+        $this->container->bookmarkService->expects(static::atLeastOnce())->method('exists')->willReturn(true);
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('get')
+            ->willReturn((new Bookmark())->setId($id)->setUrl('http://other.url'))
+        ;
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('addOrSet')
+            ->willReturnCallback(function (Bookmark $bookmark, bool $save) use ($checkBookmark, $id): void {
+                static::assertFalse($save);
+
+                $checkBookmark($bookmark);
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('set')
+            ->willReturnCallback(function (Bookmark $bookmark, bool $save) use ($checkBookmark, $id): void {
+                static::assertTrue($save);
+
+                $checkBookmark($bookmark);
+
+                static::assertSame($id, $bookmark->getId());
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['save_link'])
+            ->willReturnCallback(function (string $hook, array $data) use ($parameters, $id): array {
+                if ('save_link' === $hook) {
+                    static::assertSame($id, $data['id']);
+                    static::assertSame($parameters['lf_url'], $data['url']);
+                    static::assertSame($parameters['lf_title'], $data['title']);
+                    static::assertSame($parameters['lf_description'], $data['description']);
+                    static::assertSame($parameters['lf_tags'], $data['tags']);
+                    static::assertTrue($data['private']);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertRegExp('@/subfolder/\?page=2#[\w\-]{6}@', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Test save a bookmark - try to retrieve the thumbnail
+     */
+    public function testSaveBookmarkWithThumbnail(): void
+    {
+        $parameters = ['lf_url' => 'http://url.tld/other?part=3#hash'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->willReturnCallback(function (string $key, $default) {
+            return $key === 'thumbnails.mode' ? Thumbnailer::MODE_ALL : $default;
+        });
+
+        $this->container->thumbnailer = $this->createMock(Thumbnailer::class);
+        $this->container->thumbnailer
+            ->expects(static::once())
+            ->method('get')
+            ->with($parameters['lf_url'])
+            ->willReturn($thumb = 'http://thumb.url')
+        ;
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('addOrSet')
+            ->willReturnCallback(function (Bookmark $bookmark, bool $save) use ($thumb): void {
+                static::assertSame($thumb, $bookmark->getThumbnail());
+            })
+        ;
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+    }
+
+    /**
+     * Test save a bookmark - with ID #0
+     */
+    public function testSaveBookmarkWithIdZero(): void
+    {
+        $parameters = ['lf_id' => '0'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->bookmarkService->expects(static::once())->method('exists')->with(0)->willReturn(true);
+        $this->container->bookmarkService->expects(static::once())->method('get')->with(0)->willReturn(new Bookmark());
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+    }
+
+    /**
+     * Change the password with a wrong existing password
+     */
+    public function testSaveBookmarkFromBookmarklet(): void
+    {
+        $parameters = ['source' => 'bookmarklet'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters): ?string {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('<script>self.close();</script>', (string) $result->getBody());
+    }
+
+    /**
+     * Change the password with a wrong existing password
+     */
+    public function testSaveBookmarkWrongToken(): void
+    {
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->willReturn(false);
+
+        $this->container->bookmarkService->expects(static::never())->method('addOrSet');
+        $this->container->bookmarkService->expects(static::never())->method('set');
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->expectException(WrongTokenException::class);
+
+        $this->controller->save($request, $response);
+    }
+
+}
diff --git a/tests/front/controller/admin/ManageTagControllerTest.php b/tests/front/controller/admin/ManageTagControllerTest.php
new file mode 100644
index 00000000..8a0ff7a9
--- /dev/null
+++ b/tests/front/controller/admin/ManageTagControllerTest.php
@@ -0,0 +1,272 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Bookmark\BookmarkFilter;
+use Shaarli\Front\Exception\WrongTokenException;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class ManageTagControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ManageTagController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new ManageTagController($this->container);
+    }
+
+    /**
+     * Test displaying manage tag page
+     */
+    public function testIndex(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->with('fromtag')->willReturn('fromtag');
+        $response = new Response();
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('changetag', (string) $result->getBody());
+
+        static::assertSame('fromtag', $assignedVariables['fromtag']);
+        static::assertSame('Manage tags - Shaarli', $assignedVariables['pagetitle']);
+    }
+
+    /**
+     * Test posting a tag update - rename tag - valid info provided.
+     */
+    public function testSaveRenameTagValid(): void
+    {
+        $session = [];
+        $this->assignSessionVars($session);
+
+        $requestParameters = [
+            'renametag' => 'rename',
+            'fromtag' => 'old-tag',
+            'totag' => 'new-tag',
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($requestParameters): ?string {
+                return $requestParameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmark1 = $this->createMock(Bookmark::class);
+        $bookmark2 = $this->createMock(Bookmark::class);
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('search')
+            ->with(['searchtags' => 'old-tag'], BookmarkFilter::$ALL, true)
+            ->willReturnCallback(function () use ($bookmark1, $bookmark2): array {
+                $bookmark1->expects(static::once())->method('renameTag')->with('old-tag', 'new-tag');
+                $bookmark2->expects(static::once())->method('renameTag')->with('old-tag', 'new-tag');
+
+                return [$bookmark1, $bookmark2];
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::exactly(2))
+            ->method('set')
+            ->withConsecutive([$bookmark1, false], [$bookmark2, false])
+        ;
+        $this->container->bookmarkService->expects(static::once())->method('save');
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/?searchtags=new-tag'], $result->getHeader('location'));
+
+        static::assertArrayNotHasKey(SessionManager::KEY_ERROR_MESSAGES, $session);
+        static::assertArrayNotHasKey(SessionManager::KEY_WARNING_MESSAGES, $session);
+        static::assertArrayHasKey(SessionManager::KEY_SUCCESS_MESSAGES, $session);
+        static::assertSame(['The tag was renamed in 2 bookmarks.'], $session[SessionManager::KEY_SUCCESS_MESSAGES]);
+    }
+
+    /**
+     * Test posting a tag update - delete tag - valid info provided.
+     */
+    public function testSaveDeleteTagValid(): void
+    {
+        $session = [];
+        $this->assignSessionVars($session);
+
+        $requestParameters = [
+            'deletetag' => 'delete',
+            'fromtag' => 'old-tag',
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($requestParameters): ?string {
+                return $requestParameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $bookmark1 = $this->createMock(Bookmark::class);
+        $bookmark2 = $this->createMock(Bookmark::class);
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('search')
+            ->with(['searchtags' => 'old-tag'], BookmarkFilter::$ALL, true)
+            ->willReturnCallback(function () use ($bookmark1, $bookmark2): array {
+                $bookmark1->expects(static::once())->method('deleteTag')->with('old-tag');
+                $bookmark2->expects(static::once())->method('deleteTag')->with('old-tag');
+
+                return [$bookmark1, $bookmark2];
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::exactly(2))
+            ->method('set')
+            ->withConsecutive([$bookmark1, false], [$bookmark2, false])
+        ;
+        $this->container->bookmarkService->expects(static::once())->method('save');
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/tags'], $result->getHeader('location'));
+
+        static::assertArrayNotHasKey(SessionManager::KEY_ERROR_MESSAGES, $session);
+        static::assertArrayNotHasKey(SessionManager::KEY_WARNING_MESSAGES, $session);
+        static::assertArrayHasKey(SessionManager::KEY_SUCCESS_MESSAGES, $session);
+        static::assertSame(['The tag was removed from 2 bookmarks.'], $session[SessionManager::KEY_SUCCESS_MESSAGES]);
+    }
+
+    /**
+     * Test posting a tag update - wrong token.
+     */
+    public function testSaveWrongToken(): void
+    {
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->willReturn(false);
+
+        $this->container->conf->expects(static::never())->method('set');
+        $this->container->conf->expects(static::never())->method('write');
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->expectException(WrongTokenException::class);
+
+        $this->controller->save($request, $response);
+    }
+
+    /**
+     * Test posting a tag update - rename tag - missing "FROM" tag.
+     */
+    public function testSaveRenameTagMissingFrom(): void
+    {
+        $session = [];
+        $this->assignSessionVars($session);
+
+        $requestParameters = [
+            'renametag' => 'rename',
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($requestParameters): ?string {
+                return $requestParameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/tags'], $result->getHeader('location'));
+
+        static::assertArrayNotHasKey(SessionManager::KEY_ERROR_MESSAGES, $session);
+        static::assertArrayHasKey(SessionManager::KEY_WARNING_MESSAGES, $session);
+        static::assertArrayNotHasKey(SessionManager::KEY_SUCCESS_MESSAGES, $session);
+        static::assertSame(['Invalid tags provided.'], $session[SessionManager::KEY_WARNING_MESSAGES]);
+    }
+
+    /**
+     * Test posting a tag update - delete tag - missing "FROM" tag.
+     */
+    public function testSaveDeleteTagMissingFrom(): void
+    {
+        $session = [];
+        $this->assignSessionVars($session);
+
+        $requestParameters = [
+            'deletetag' => 'delete',
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($requestParameters): ?string {
+                return $requestParameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/tags'], $result->getHeader('location'));
+
+        static::assertArrayNotHasKey(SessionManager::KEY_ERROR_MESSAGES, $session);
+        static::assertArrayHasKey(SessionManager::KEY_WARNING_MESSAGES, $session);
+        static::assertArrayNotHasKey(SessionManager::KEY_SUCCESS_MESSAGES, $session);
+        static::assertSame(['Invalid tags provided.'], $session[SessionManager::KEY_WARNING_MESSAGES]);
+    }
+
+    /**
+     * Test posting a tag update - rename tag - missing "TO" tag.
+     */
+    public function testSaveRenameTagMissingTo(): void
+    {
+        $session = [];
+        $this->assignSessionVars($session);
+
+        $requestParameters = [
+            'renametag' => 'rename',
+            'fromtag' => 'old-tag'
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($requestParameters): ?string {
+                return $requestParameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/tags'], $result->getHeader('location'));
+
+        static::assertArrayNotHasKey(SessionManager::KEY_ERROR_MESSAGES, $session);
+        static::assertArrayHasKey(SessionManager::KEY_WARNING_MESSAGES, $session);
+        static::assertArrayNotHasKey(SessionManager::KEY_SUCCESS_MESSAGES, $session);
+        static::assertSame(['Invalid tags provided.'], $session[SessionManager::KEY_WARNING_MESSAGES]);
+    }
+}
diff --git a/tests/front/controller/admin/PasswordControllerTest.php b/tests/front/controller/admin/PasswordControllerTest.php
new file mode 100644
index 00000000..58f47b49
--- /dev/null
+++ b/tests/front/controller/admin/PasswordControllerTest.php
@@ -0,0 +1,203 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Config\ConfigManager;
+use Shaarli\Front\Exception\OpenShaarliPasswordException;
+use Shaarli\Front\Exception\WrongTokenException;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class PasswordControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var PasswordController */
+    protected $controller;
+
+    /** @var mixed[] Variables assigned to the template */
+    protected $assignedVariables = [];
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+        $this->assignTemplateVars($this->assignedVariables);
+
+        $this->controller = new PasswordController($this->container);
+    }
+
+    /**
+     * Test displaying the change password page.
+     */
+    public function testGetPage(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('changepassword', (string) $result->getBody());
+        static::assertSame('Change password - Shaarli', $this->assignedVariables['pagetitle']);
+    }
+
+    /**
+     * Change the password with valid parameters
+     */
+    public function testPostNewPasswordDefault(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key): string {
+             if ('oldpassword' === $key) {
+                 return 'old';
+             }
+             if ('setpassword' === $key) {
+                 return 'new';
+             }
+
+             return $key;
+        });
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->willReturnCallback(function (string $key, $default) {
+            if ('credentials.hash' === $key) {
+                return sha1('old' . 'credentials.login' . 'credentials.salt');
+            }
+
+            return strpos($key, 'credentials') !== false ? $key : $default;
+        });
+        $this->container->conf->expects(static::once())->method('write')->with(true);
+
+        $this->container->conf
+            ->method('set')
+            ->willReturnCallback(function (string $key, string $value) {
+                if ('credentials.hash' === $key) {
+                    static::assertSame(sha1('new' . 'credentials.login' . 'credentials.salt'), $value);
+                }
+            })
+        ;
+
+        $result = $this->controller->change($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('changepassword', (string) $result->getBody());
+        static::assertSame('Change password - Shaarli', $this->assignedVariables['pagetitle']);
+    }
+
+    /**
+     * Change the password with a wrong existing password
+     */
+    public function testPostNewPasswordWrongOldPassword(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key): string {
+            if ('oldpassword' === $key) {
+                return 'wrong';
+            }
+            if ('setpassword' === $key) {
+                return 'new';
+            }
+
+            return $key;
+        });
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->willReturnCallback(function (string $key, $default) {
+            if ('credentials.hash' === $key) {
+                return sha1('old' . 'credentials.login' . 'credentials.salt');
+            }
+
+            return strpos($key, 'credentials') !== false ? $key : $default;
+        });
+
+        $this->container->conf->expects(static::never())->method('set');
+        $this->container->conf->expects(static::never())->method('write');
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['The old password is not correct.'])
+        ;
+
+        $result = $this->controller->change($request, $response);
+
+        static::assertSame(400, $result->getStatusCode());
+        static::assertSame('changepassword', (string) $result->getBody());
+        static::assertSame('Change password - Shaarli', $this->assignedVariables['pagetitle']);
+    }
+
+    /**
+     * Change the password with a wrong existing password
+     */
+    public function testPostNewPasswordWrongToken(): void
+    {
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->willReturn(false);
+
+        $this->container->conf->expects(static::never())->method('set');
+        $this->container->conf->expects(static::never())->method('write');
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->expectException(WrongTokenException::class);
+
+        $this->controller->change($request, $response);
+    }
+
+    /**
+     * Change the password with an empty new password
+     */
+    public function testPostNewEmptyPassword(): void
+    {
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['You must provide the current and new password to change it.'])
+        ;
+
+        $this->container->conf->expects(static::never())->method('set');
+        $this->container->conf->expects(static::never())->method('write');
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key): string {
+            if ('oldpassword' === $key) {
+                return 'old';
+            }
+            if ('setpassword' === $key) {
+                return '';
+            }
+
+            return $key;
+        });
+        $response = new Response();
+
+        $result = $this->controller->change($request, $response);
+
+        static::assertSame(400, $result->getStatusCode());
+        static::assertSame('changepassword', (string) $result->getBody());
+        static::assertSame('Change password - Shaarli', $this->assignedVariables['pagetitle']);
+    }
+
+    /**
+     * Change the password on an open shaarli
+     */
+    public function testPostNewPasswordOnOpenShaarli(): void
+    {
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->with('security.open_shaarli')->willReturn(true);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->expectException(OpenShaarliPasswordException::class);
+
+        $this->controller->change($request, $response);
+    }
+}
diff --git a/tests/front/controller/admin/PluginsControllerTest.php b/tests/front/controller/admin/PluginsControllerTest.php
new file mode 100644
index 00000000..974d614d
--- /dev/null
+++ b/tests/front/controller/admin/PluginsControllerTest.php
@@ -0,0 +1,205 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Config\ConfigManager;
+use Shaarli\Front\Exception\WrongTokenException;
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class PluginsControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    const PLUGIN_NAMES = ['plugin1', 'plugin2', 'plugin3', 'plugin4'];
+
+    /** @var PluginsController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new PluginsController($this->container);
+
+        mkdir($path = __DIR__ . '/folder');
+        PluginManager::$PLUGINS_PATH = $path;
+        array_map(function (string $plugin) use ($path) { touch($path . '/' . $plugin); }, static::PLUGIN_NAMES);
+    }
+
+    public function tearDown(): void
+    {
+        $path = __DIR__ . '/folder';
+        array_map(function (string $plugin) use ($path) { unlink($path . '/' . $plugin); }, static::PLUGIN_NAMES);
+        rmdir($path);
+    }
+
+    /**
+     * Test displaying plugins admin page
+     */
+    public function testIndex(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $data = [
+            'plugin1' => ['order' => 2, 'other' => 'field'],
+            'plugin2' => ['order' => 1],
+            'plugin3' => ['order' => false, 'abc' => 'def'],
+            'plugin4' => [],
+        ];
+
+        $this->container->pluginManager
+            ->expects(static::once())
+            ->method('getPluginsMeta')
+            ->willReturn($data);
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('pluginsadmin', (string) $result->getBody());
+
+        static::assertSame('Plugin Administration - Shaarli', $assignedVariables['pagetitle']);
+        static::assertSame(
+            ['plugin2' => $data['plugin2'], 'plugin1' => $data['plugin1']],
+            $assignedVariables['enabledPlugins']
+        );
+        static::assertSame(
+            ['plugin3' => $data['plugin3'], 'plugin4' => $data['plugin4']],
+            $assignedVariables['disabledPlugins']
+        );
+    }
+
+    /**
+     * Test save plugins admin page
+     */
+    public function testSaveEnabledPlugins(): void
+    {
+        $parameters = [
+            'plugin1' => 'on',
+            'order_plugin1' => '2',
+            'plugin2' => 'on',
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParams')
+            ->willReturnCallback(function () use ($parameters): array {
+                return $parameters;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->pluginManager
+            ->expects(static::once())
+            ->method('executeHooks')
+            ->with('save_plugin_parameters', $parameters)
+        ;
+        $this->container->conf
+            ->expects(static::atLeastOnce())
+            ->method('set')
+            ->with('general.enabled_plugins', ['plugin1', 'plugin2'])
+        ;
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/plugins'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test save plugin parameters
+     */
+    public function testSavePluginParameters(): void
+    {
+        $parameters = [
+            'parameters_form' => true,
+            'parameter1' => 'blip',
+            'parameter2' => 'blop',
+            'token' => 'this parameter should not be saved'
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParams')
+            ->willReturnCallback(function () use ($parameters): array {
+                return $parameters;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->pluginManager
+            ->expects(static::once())
+            ->method('executeHooks')
+            ->with('save_plugin_parameters', $parameters)
+        ;
+        $this->container->conf
+            ->expects(static::exactly(2))
+            ->method('set')
+            ->withConsecutive(['plugins.parameter1', 'blip'], ['plugins.parameter2', 'blop'])
+        ;
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/plugins'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test save plugin parameters - error encountered
+     */
+    public function testSaveWithError(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf
+            ->expects(static::atLeastOnce())
+            ->method('write')
+            ->willThrowException(new \Exception($message = 'error message'))
+        ;
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->willReturn(true);
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(
+                SessionManager::KEY_ERROR_MESSAGES,
+                ['Error while saving plugin configuration: ' . PHP_EOL . $message]
+            )
+        ;
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/admin/plugins'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test save plugin parameters - wrong token
+     */
+    public function testSaveWrongToken(): void
+    {
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->willReturn(false);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->expectException(WrongTokenException::class);
+
+        $this->controller->save($request, $response);
+    }
+}
diff --git a/tests/front/controller/admin/SessionFilterControllerTest.php b/tests/front/controller/admin/SessionFilterControllerTest.php
new file mode 100644
index 00000000..712a625b
--- /dev/null
+++ b/tests/front/controller/admin/SessionFilterControllerTest.php
@@ -0,0 +1,177 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Security\LoginManager;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class SessionFilterControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var SessionFilterController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new SessionFilterController($this->container);
+    }
+
+    /**
+     * Visibility - Default call for private filter while logged in without current value
+     */
+    public function testVisibility(): void
+    {
+        $arg = ['visibility' => 'private'];
+
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller/?searchtag=abc';
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_VISIBILITY, 'private')
+        ;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->visibility($request, $response, $arg);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller/?searchtag=abc'], $result->getHeader('location'));
+    }
+
+    /**
+     * Visibility - Toggle off private visibility
+     */
+    public function testVisibilityToggleOff(): void
+    {
+        $arg = ['visibility' => 'private'];
+
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller/?searchtag=abc';
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->with(SessionManager::KEY_VISIBILITY)
+            ->willReturn('private')
+        ;
+        $this->container->sessionManager
+            ->expects(static::never())
+            ->method('setSessionParameter')
+        ;
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('deleteSessionParameter')
+            ->with(SessionManager::KEY_VISIBILITY)
+        ;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->visibility($request, $response, $arg);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller/?searchtag=abc'], $result->getHeader('location'));
+    }
+
+    /**
+     * Visibility - Change private to public
+     */
+    public function testVisibilitySwitch(): void
+    {
+        $arg = ['visibility' => 'private'];
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->with(SessionManager::KEY_VISIBILITY)
+            ->willReturn('public')
+        ;
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_VISIBILITY, 'private')
+        ;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->visibility($request, $response, $arg);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Visibility - With invalid value - should remove any visibility setting
+     */
+    public function testVisibilityInvalidValue(): void
+    {
+        $arg = ['visibility' => 'test'];
+
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller/?searchtag=abc';
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+        $this->container->sessionManager
+            ->expects(static::never())
+            ->method('setSessionParameter')
+        ;
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('deleteSessionParameter')
+            ->with(SessionManager::KEY_VISIBILITY)
+        ;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->visibility($request, $response, $arg);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller/?searchtag=abc'], $result->getHeader('location'));
+    }
+
+    /**
+     * Visibility - Try to change visibility while logged out
+     */
+    public function testVisibilityLoggedOut(): void
+    {
+        $arg = ['visibility' => 'test'];
+
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller/?searchtag=abc';
+
+        $this->container->loginManager = $this->createMock(LoginManager::class);
+        $this->container->loginManager->method('isLoggedIn')->willReturn(false);
+        $this->container->sessionManager
+            ->expects(static::never())
+            ->method('setSessionParameter')
+        ;
+        $this->container->sessionManager
+            ->expects(static::never())
+            ->method('deleteSessionParameter')
+            ->with(SessionManager::KEY_VISIBILITY)
+        ;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->visibility($request, $response, $arg);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller/?searchtag=abc'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/admin/ShaarliAdminControllerTest.php b/tests/front/controller/admin/ShaarliAdminControllerTest.php
new file mode 100644
index 00000000..486d5d2d
--- /dev/null
+++ b/tests/front/controller/admin/ShaarliAdminControllerTest.php
@@ -0,0 +1,184 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Front\Exception\WrongTokenException;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+
+/**
+ * Class ShaarliControllerTest
+ *
+ * This class is used to test default behavior of ShaarliAdminController abstract class.
+ * It uses a dummy non abstract controller.
+ */
+class ShaarliAdminControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ShaarliAdminController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new class($this->container) extends ShaarliAdminController
+        {
+            public function checkToken(Request $request): bool
+            {
+                return parent::checkToken($request);
+            }
+
+            public function saveSuccessMessage(string $message): void
+            {
+                parent::saveSuccessMessage($message);
+            }
+
+            public function saveWarningMessage(string $message): void
+            {
+                parent::saveWarningMessage($message);
+            }
+
+            public function saveErrorMessage(string $message): void
+            {
+                parent::saveErrorMessage($message);
+            }
+        };
+    }
+
+    /**
+     * Trigger controller's checkToken with a valid token.
+     */
+    public function testCheckTokenWithValidToken(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->with('token')->willReturn($token = '12345');
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->with($token)->willReturn(true);
+
+        static::assertTrue($this->controller->checkToken($request));
+    }
+
+    /**
+     * Trigger controller's checkToken with na valid token should raise an exception.
+     */
+    public function testCheckTokenWithNotValidToken(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->with('token')->willReturn($token = '12345');
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->with($token)->willReturn(false);
+
+        $this->expectException(WrongTokenException::class);
+
+        $this->controller->checkToken($request);
+    }
+
+    /**
+     * Test saveSuccessMessage() with a first message.
+     */
+    public function testSaveSuccessMessage(): void
+    {
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_SUCCESS_MESSAGES, [$message = 'bravo!'])
+        ;
+
+        $this->controller->saveSuccessMessage($message);
+    }
+
+    /**
+     * Test saveSuccessMessage() with existing messages.
+     */
+    public function testSaveSuccessMessageWithExistingMessages(): void
+    {
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('getSessionParameter')
+            ->with(SessionManager::KEY_SUCCESS_MESSAGES)
+            ->willReturn(['success1', 'success2'])
+        ;
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_SUCCESS_MESSAGES, ['success1', 'success2', $message = 'bravo!'])
+        ;
+
+        $this->controller->saveSuccessMessage($message);
+    }
+
+    /**
+     * Test saveWarningMessage() with a first message.
+     */
+    public function testSaveWarningMessage(): void
+    {
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_WARNING_MESSAGES, [$message = 'warning!'])
+        ;
+
+        $this->controller->saveWarningMessage($message);
+    }
+
+    /**
+     * Test saveWarningMessage() with existing messages.
+     */
+    public function testSaveWarningMessageWithExistingMessages(): void
+    {
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('getSessionParameter')
+            ->with(SessionManager::KEY_WARNING_MESSAGES)
+            ->willReturn(['warning1', 'warning2'])
+        ;
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_WARNING_MESSAGES, ['warning1', 'warning2', $message = 'warning!'])
+        ;
+
+        $this->controller->saveWarningMessage($message);
+    }
+
+    /**
+     * Test saveErrorMessage() with a first message.
+     */
+    public function testSaveErrorMessage(): void
+    {
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, [$message = 'error!'])
+        ;
+
+        $this->controller->saveErrorMessage($message);
+    }
+
+    /**
+     * Test saveErrorMessage() with existing messages.
+     */
+    public function testSaveErrorMessageWithExistingMessages(): void
+    {
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('getSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES)
+            ->willReturn(['error1', 'error2'])
+        ;
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['error1', 'error2', $message = 'error!'])
+        ;
+
+        $this->controller->saveErrorMessage($message);
+    }
+}
diff --git a/tests/front/controller/admin/ThumbnailsControllerTest.php b/tests/front/controller/admin/ThumbnailsControllerTest.php
new file mode 100644
index 00000000..f4a8acff
--- /dev/null
+++ b/tests/front/controller/admin/ThumbnailsControllerTest.php
@@ -0,0 +1,154 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Bookmark\Exception\BookmarkNotFoundException;
+use Shaarli\TestCase;
+use Shaarli\Thumbnailer;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class ThumbnailsControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ThumbnailsController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new ThumbnailsController($this->container);
+    }
+
+    /**
+     * Test displaying the thumbnails update page
+     * Note that only non-note and HTTP bookmarks should be returned.
+     */
+    public function testIndex(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('search')
+            ->willReturn([
+                (new Bookmark())->setId(1)->setUrl('http://url1.tld')->setTitle('Title 1'),
+                (new Bookmark())->setId(2)->setUrl('?abcdef')->setTitle('Note 1'),
+                (new Bookmark())->setId(3)->setUrl('http://url2.tld')->setTitle('Title 2'),
+                (new Bookmark())->setId(4)->setUrl('ftp://domain.tld', ['ftp'])->setTitle('FTP'),
+            ])
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('thumbnails', (string) $result->getBody());
+
+        static::assertSame('Thumbnails update - Shaarli', $assignedVariables['pagetitle']);
+        static::assertSame([1, 3], $assignedVariables['ids']);
+    }
+
+    /**
+     * Test updating a bookmark thumbnail with valid parameters
+     */
+    public function testAjaxUpdateValid(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $bookmark = (new Bookmark())
+            ->setId($id = 123)
+            ->setUrl($url = 'http://url1.tld')
+            ->setTitle('Title 1')
+            ->setThumbnail(false)
+        ;
+
+        $this->container->thumbnailer = $this->createMock(Thumbnailer::class);
+        $this->container->thumbnailer
+            ->expects(static::once())
+            ->method('get')
+            ->with($url)
+            ->willReturn($thumb = 'http://img.tld/pic.png')
+        ;
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('get')
+            ->with($id)
+            ->willReturn($bookmark)
+        ;
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('set')
+            ->willReturnCallback(function (Bookmark $bookmark) use ($thumb) {
+                static::assertSame($thumb, $bookmark->getThumbnail());
+            })
+        ;
+
+        $result = $this->controller->ajaxUpdate($request, $response, ['id' => (string) $id]);
+
+        static::assertSame(200, $result->getStatusCode());
+
+        $payload = json_decode((string) $result->getBody(), true);
+
+        static::assertSame($id, $payload['id']);
+        static::assertSame($url, $payload['url']);
+        static::assertSame($thumb, $payload['thumbnail']);
+    }
+
+    /**
+     * Test updating a bookmark thumbnail - Invalid ID
+     */
+    public function testAjaxUpdateInvalidId(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->ajaxUpdate($request, $response, ['id' => 'nope']);
+
+        static::assertSame(400, $result->getStatusCode());
+    }
+
+    /**
+     * Test updating a bookmark thumbnail - No ID
+     */
+    public function testAjaxUpdateNoId(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->ajaxUpdate($request, $response, []);
+
+        static::assertSame(400, $result->getStatusCode());
+    }
+
+    /**
+     * Test updating a bookmark thumbnail with valid parameters
+     */
+    public function testAjaxUpdateBookmarkNotFound(): void
+    {
+        $id = 123;
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('get')
+            ->with($id)
+            ->willThrowException(new BookmarkNotFoundException())
+        ;
+
+        $result = $this->controller->ajaxUpdate($request, $response, ['id' => (string) $id]);
+
+        static::assertSame(404, $result->getStatusCode());
+    }
+}
diff --git a/tests/front/controller/admin/TokenControllerTest.php b/tests/front/controller/admin/TokenControllerTest.php
new file mode 100644
index 00000000..d2f0907f
--- /dev/null
+++ b/tests/front/controller/admin/TokenControllerTest.php
@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class TokenControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var TokenController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new TokenController($this->container);
+    }
+
+    public function testGetToken(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('generateToken')
+            ->willReturn($token = 'token1234')
+        ;
+
+        $result = $this->controller->getToken($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame($token, (string) $result->getBody());
+    }
+}
diff --git a/tests/front/controller/admin/ToolsControllerTest.php b/tests/front/controller/admin/ToolsControllerTest.php
new file mode 100644
index 00000000..e82f8b14
--- /dev/null
+++ b/tests/front/controller/admin/ToolsControllerTest.php
@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class ToolsControllerTest extends TestCase
+{
+    use FrontAdminControllerMockHelper;
+
+    /** @var ToolsController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new ToolsController($this->container);
+    }
+
+    public function testDefaultInvokeWithHttps(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->environment = [
+            'SERVER_NAME' => 'shaarli',
+            'SERVER_PORT' => 443,
+            'HTTPS' => 'on',
+        ];
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('tools', (string) $result->getBody());
+        static::assertSame('https://shaarli/', $assignedVariables['pageabsaddr']);
+        static::assertTrue($assignedVariables['sslenabled']);
+    }
+
+    public function testDefaultInvokeWithoutHttps(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->environment = [
+            'SERVER_NAME' => 'shaarli',
+            'SERVER_PORT' => 80,
+        ];
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('tools', (string) $result->getBody());
+        static::assertSame('http://shaarli/', $assignedVariables['pageabsaddr']);
+        static::assertFalse($assignedVariables['sslenabled']);
+    }
+}
diff --git a/tests/front/controller/visitor/BookmarkListControllerTest.php b/tests/front/controller/visitor/BookmarkListControllerTest.php
new file mode 100644
index 00000000..0c95df97
--- /dev/null
+++ b/tests/front/controller/visitor/BookmarkListControllerTest.php
@@ -0,0 +1,448 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Bookmark\Exception\BookmarkNotFoundException;
+use Shaarli\Config\ConfigManager;
+use Shaarli\Security\LoginManager;
+use Shaarli\TestCase;
+use Shaarli\Thumbnailer;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class BookmarkListControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var BookmarkListController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new BookmarkListController($this->container);
+    }
+
+    /**
+     * Test rendering list of bookmarks with default parameters (first page).
+     */
+    public function testIndexDefaultFirstPage(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('search')
+            ->with(
+                ['searchtags' => '', 'searchterm' => ''],
+                null,
+                false,
+                false
+            )
+            ->willReturn([
+                (new Bookmark())->setId(1)->setUrl('http://url1.tld')->setTitle('Title 1'),
+                (new Bookmark())->setId(2)->setUrl('http://url2.tld')->setTitle('Title 2'),
+                (new Bookmark())->setId(3)->setUrl('http://url3.tld')->setTitle('Title 3'),
+            ]
+        );
+
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->willReturnCallback(function (string $parameter, $default = null) {
+                if ('LINKS_PER_PAGE' === $parameter) {
+                    return 2;
+                }
+
+                return $default;
+            })
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('linklist', (string) $result->getBody());
+
+        static::assertSame('Shaarli', $assignedVariables['pagetitle']);
+        static::assertSame('?page=2', $assignedVariables['previous_page_url']);
+        static::assertSame('', $assignedVariables['next_page_url']);
+        static::assertSame(2, $assignedVariables['page_max']);
+        static::assertSame('', $assignedVariables['search_tags']);
+        static::assertSame(3, $assignedVariables['result_count']);
+        static::assertSame(1, $assignedVariables['page_current']);
+        static::assertSame('', $assignedVariables['search_term']);
+        static::assertNull($assignedVariables['visibility']);
+        static::assertCount(2, $assignedVariables['links']);
+
+        $link = $assignedVariables['links'][0];
+
+        static::assertSame(1, $link['id']);
+        static::assertSame('http://url1.tld', $link['url']);
+        static::assertSame('Title 1', $link['title']);
+
+        $link = $assignedVariables['links'][1];
+
+        static::assertSame(2, $link['id']);
+        static::assertSame('http://url2.tld', $link['url']);
+        static::assertSame('Title 2', $link['title']);
+    }
+
+    /**
+     * Test rendering list of bookmarks with default parameters (second page).
+     */
+    public function testIndexDefaultSecondPage(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key) {
+            if ('page' === $key) {
+                return '2';
+            }
+
+            return null;
+        });
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('search')
+            ->with(
+                ['searchtags' => '', 'searchterm' => ''],
+                null,
+                false,
+                false
+            )
+            ->willReturn([
+                (new Bookmark())->setId(1)->setUrl('http://url1.tld')->setTitle('Title 1'),
+                (new Bookmark())->setId(2)->setUrl('http://url2.tld')->setTitle('Title 2'),
+                (new Bookmark())->setId(3)->setUrl('http://url3.tld')->setTitle('Title 3'),
+            ])
+        ;
+
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->willReturnCallback(function (string $parameter, $default = null) {
+                if ('LINKS_PER_PAGE' === $parameter) {
+                    return 2;
+                }
+
+                return $default;
+            })
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('linklist', (string) $result->getBody());
+
+        static::assertSame('Shaarli', $assignedVariables['pagetitle']);
+        static::assertSame('', $assignedVariables['previous_page_url']);
+        static::assertSame('?page=1', $assignedVariables['next_page_url']);
+        static::assertSame(2, $assignedVariables['page_max']);
+        static::assertSame('', $assignedVariables['search_tags']);
+        static::assertSame(3, $assignedVariables['result_count']);
+        static::assertSame(2, $assignedVariables['page_current']);
+        static::assertSame('', $assignedVariables['search_term']);
+        static::assertNull($assignedVariables['visibility']);
+        static::assertCount(1, $assignedVariables['links']);
+
+        $link = $assignedVariables['links'][2];
+
+        static::assertSame(3, $link['id']);
+        static::assertSame('http://url3.tld', $link['url']);
+        static::assertSame('Title 3', $link['title']);
+    }
+
+    /**
+     * Test rendering list of bookmarks with filters.
+     */
+    public function testIndexDefaultWithFilters(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key) {
+            if ('searchtags' === $key) {
+                return 'abc def';
+            }
+            if ('searchterm' === $key) {
+                return 'ghi jkl';
+            }
+
+            return null;
+        });
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->willReturnCallback(function (string $key, $default) {
+                if ('LINKS_PER_PAGE' === $key) {
+                    return 2;
+                }
+                if ('visibility' === $key) {
+                    return 'private';
+                }
+                if ('untaggedonly' === $key) {
+                    return true;
+                }
+
+                return $default;
+            })
+        ;
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('search')
+            ->with(
+                ['searchtags' => 'abc def', 'searchterm' => 'ghi jkl'],
+                'private',
+                false,
+                true
+            )
+            ->willReturn([
+                (new Bookmark())->setId(1)->setUrl('http://url1.tld')->setTitle('Title 1'),
+                (new Bookmark())->setId(2)->setUrl('http://url2.tld')->setTitle('Title 2'),
+                (new Bookmark())->setId(3)->setUrl('http://url3.tld')->setTitle('Title 3'),
+            ])
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('linklist', (string) $result->getBody());
+
+        static::assertSame('Search: ghi jkl [abc] [def] - Shaarli', $assignedVariables['pagetitle']);
+        static::assertSame('?page=2&searchterm=ghi+jkl&searchtags=abc+def', $assignedVariables['previous_page_url']);
+    }
+
+    /**
+     * Test displaying a permalink with valid parameters
+     */
+    public function testPermalinkValid(): void
+    {
+        $hash = 'abcdef';
+
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('findByHash')
+            ->with($hash)
+            ->willReturn((new Bookmark())->setId(123)->setTitle('Title 1')->setUrl('http://url1.tld'))
+        ;
+
+        $result = $this->controller->permalink($request, $response, ['hash' => $hash]);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('linklist', (string) $result->getBody());
+
+        static::assertSame('Title 1 - Shaarli', $assignedVariables['pagetitle']);
+        static::assertCount(1, $assignedVariables['links']);
+
+        $link = $assignedVariables['links'][0];
+
+        static::assertSame(123, $link['id']);
+        static::assertSame('http://url1.tld', $link['url']);
+        static::assertSame('Title 1', $link['title']);
+    }
+
+    /**
+     * Test displaying a permalink with an unknown small hash : renders a 404 template error
+     */
+    public function testPermalinkNotFound(): void
+    {
+        $hash = 'abcdef';
+
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('findByHash')
+            ->with($hash)
+            ->willThrowException(new BookmarkNotFoundException())
+        ;
+
+        $result = $this->controller->permalink($request, $response, ['hash' => $hash]);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('404', (string) $result->getBody());
+
+        static::assertSame(
+            'The link you are trying to reach does not exist or has been deleted.',
+            $assignedVariables['error_message']
+        );
+    }
+
+    /**
+     * Test getting link list with thumbnail updates.
+     *   -> 2 thumbnails update, only 1 datastore write
+     */
+    public function testThumbnailUpdateFromLinkList(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->loginManager = $this->createMock(LoginManager::class);
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf
+            ->method('get')
+            ->willReturnCallback(function (string $key, $default) {
+                return $key === 'thumbnails.mode' ? Thumbnailer::MODE_ALL : $default;
+            })
+        ;
+
+        $this->container->thumbnailer = $this->createMock(Thumbnailer::class);
+        $this->container->thumbnailer
+            ->expects(static::exactly(2))
+            ->method('get')
+            ->withConsecutive(['https://url2.tld'], ['https://url4.tld'])
+        ;
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('search')
+            ->willReturn([
+                (new Bookmark())->setId(1)->setUrl('https://url1.tld')->setTitle('Title 1')->setThumbnail(false),
+                $b1 = (new Bookmark())->setId(2)->setUrl('https://url2.tld')->setTitle('Title 2'),
+                (new Bookmark())->setId(3)->setUrl('https://url3.tld')->setTitle('Title 3')->setThumbnail(false),
+                $b2 = (new Bookmark())->setId(2)->setUrl('https://url4.tld')->setTitle('Title 4'),
+                (new Bookmark())->setId(2)->setUrl('ftp://url5.tld', ['ftp'])->setTitle('Title 5'),
+            ])
+        ;
+        $this->container->bookmarkService
+            ->expects(static::exactly(2))
+            ->method('set')
+            ->withConsecutive([$b1, false], [$b2, false])
+        ;
+        $this->container->bookmarkService->expects(static::once())->method('save');
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('linklist', (string) $result->getBody());
+    }
+
+    /**
+     * Test getting a permalink with thumbnail update.
+     */
+    public function testThumbnailUpdateFromPermalink(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->loginManager = $this->createMock(LoginManager::class);
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf
+            ->method('get')
+            ->willReturnCallback(function (string $key, $default) {
+                return $key === 'thumbnails.mode' ? Thumbnailer::MODE_ALL : $default;
+            })
+        ;
+
+        $this->container->thumbnailer = $this->createMock(Thumbnailer::class);
+        $this->container->thumbnailer->expects(static::once())->method('get')->withConsecutive(['https://url.tld']);
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('findByHash')
+            ->willReturn($bookmark = (new Bookmark())->setId(2)->setUrl('https://url.tld')->setTitle('Title 1'))
+        ;
+        $this->container->bookmarkService->expects(static::once())->method('set')->with($bookmark, true);
+        $this->container->bookmarkService->expects(static::never())->method('save');
+
+        $result = $this->controller->permalink($request, $response, ['hash' => 'abc']);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('linklist', (string) $result->getBody());
+    }
+
+    /**
+     * Trigger legacy controller in link list controller: permalink
+     */
+    public function testLegacyControllerPermalink(): void
+    {
+        $hash = 'abcdef';
+        $this->container->environment['QUERY_STRING'] = $hash;
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/shaare/' . $hash, $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Trigger legacy controller in link list controller: ?do= query parameter
+     */
+    public function testLegacyControllerDoPage(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->with('do')->willReturn('picwall');
+        $response = new Response();
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/picture-wall', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Trigger legacy controller in link list controller: ?do= query parameter with unknown legacy route
+     */
+    public function testLegacyControllerUnknownDoPage(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->with('do')->willReturn('nope');
+        $response = new Response();
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('linklist', (string) $result->getBody());
+    }
+
+    /**
+     * Trigger legacy controller in link list controller: other GET route (e.g. ?post)
+     */
+    public function testLegacyControllerGetParameter(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParams')->willReturn(['post' => $url = 'http://url.tld']);
+        $response = new Response();
+
+        $this->container->loginManager = $this->createMock(LoginManager::class);
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(
+            '/subfolder/admin/shaare?post=' . urlencode($url),
+            $result->getHeader('location')[0]
+        );
+    }
+}
diff --git a/tests/front/controller/visitor/DailyControllerTest.php b/tests/front/controller/visitor/DailyControllerTest.php
new file mode 100644
index 00000000..fc78bc13
--- /dev/null
+++ b/tests/front/controller/visitor/DailyControllerTest.php
@@ -0,0 +1,478 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Feed\CachedPage;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class DailyControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var DailyController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new DailyController($this->container);
+        DailyController::$DAILY_RSS_NB_DAYS = 2;
+    }
+
+    public function testValidIndexControllerInvokeDefault(): void
+    {
+        $currentDay = new \DateTimeImmutable('2020-05-13');
+
+        $request = $this->createMock(Request::class);
+        $request->method('getQueryParam')->willReturn($currentDay->format('Ymd'));
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        // Links dataset: 2 links with thumbnails
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('days')
+            ->willReturnCallback(function () use ($currentDay): array {
+               return [
+                   '20200510',
+                   $currentDay->format('Ymd'),
+                   '20200516',
+               ];
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('filterDay')
+            ->willReturnCallback(function (): array {
+                return [
+                    (new Bookmark())
+                        ->setId(1)
+                        ->setUrl('http://url.tld')
+                        ->setTitle(static::generateString(50))
+                        ->setDescription(static::generateString(500))
+                    ,
+                    (new Bookmark())
+                        ->setId(2)
+                        ->setUrl('http://url2.tld')
+                        ->setTitle(static::generateString(50))
+                        ->setDescription(static::generateString(500))
+                    ,
+                    (new Bookmark())
+                        ->setId(3)
+                        ->setUrl('http://url3.tld')
+                        ->setTitle(static::generateString(50))
+                        ->setDescription(static::generateString(500))
+                    ,
+                ];
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_daily'])
+            ->willReturnCallback(function (string $hook, array $data, array $param) use ($currentDay): array {
+                if ('render_daily' === $hook) {
+                    static::assertArrayHasKey('linksToDisplay', $data);
+                    static::assertCount(3, $data['linksToDisplay']);
+                    static::assertSame(1, $data['linksToDisplay'][0]['id']);
+                    static::assertSame($currentDay->getTimestamp(), $data['day']);
+                    static::assertSame('20200510', $data['previousday']);
+                    static::assertSame('20200516', $data['nextday']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('daily', (string) $result->getBody());
+        static::assertSame(
+            'Daily - '. format_date($currentDay, false, true) .' - Shaarli',
+            $assignedVariables['pagetitle']
+        );
+        static::assertEquals($currentDay, $assignedVariables['dayDate']);
+        static::assertEquals($currentDay->getTimestamp(), $assignedVariables['day']);
+        static::assertCount(3, $assignedVariables['linksToDisplay']);
+
+        $link = $assignedVariables['linksToDisplay'][0];
+
+        static::assertSame(1, $link['id']);
+        static::assertSame('http://url.tld', $link['url']);
+        static::assertNotEmpty($link['title']);
+        static::assertNotEmpty($link['description']);
+        static::assertNotEmpty($link['formatedDescription']);
+
+        $link = $assignedVariables['linksToDisplay'][1];
+
+        static::assertSame(2, $link['id']);
+        static::assertSame('http://url2.tld', $link['url']);
+        static::assertNotEmpty($link['title']);
+        static::assertNotEmpty($link['description']);
+        static::assertNotEmpty($link['formatedDescription']);
+
+        $link = $assignedVariables['linksToDisplay'][2];
+
+        static::assertSame(3, $link['id']);
+        static::assertSame('http://url3.tld', $link['url']);
+        static::assertNotEmpty($link['title']);
+        static::assertNotEmpty($link['description']);
+        static::assertNotEmpty($link['formatedDescription']);
+
+        static::assertCount(3, $assignedVariables['cols']);
+        static::assertCount(1, $assignedVariables['cols'][0]);
+        static::assertCount(1, $assignedVariables['cols'][1]);
+        static::assertCount(1, $assignedVariables['cols'][2]);
+
+        $link = $assignedVariables['cols'][0][0];
+
+        static::assertSame(1, $link['id']);
+        static::assertSame('http://url.tld', $link['url']);
+        static::assertNotEmpty($link['title']);
+        static::assertNotEmpty($link['description']);
+        static::assertNotEmpty($link['formatedDescription']);
+
+        $link = $assignedVariables['cols'][1][0];
+
+        static::assertSame(2, $link['id']);
+        static::assertSame('http://url2.tld', $link['url']);
+        static::assertNotEmpty($link['title']);
+        static::assertNotEmpty($link['description']);
+        static::assertNotEmpty($link['formatedDescription']);
+
+        $link = $assignedVariables['cols'][2][0];
+
+        static::assertSame(3, $link['id']);
+        static::assertSame('http://url3.tld', $link['url']);
+        static::assertNotEmpty($link['title']);
+        static::assertNotEmpty($link['description']);
+        static::assertNotEmpty($link['formatedDescription']);
+    }
+
+    /**
+     * Daily page - test that everything goes fine with no future or past bookmarks
+     */
+    public function testValidIndexControllerInvokeNoFutureOrPast(): void
+    {
+        $currentDay = new \DateTimeImmutable('2020-05-13');
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        // Links dataset: 2 links with thumbnails
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('days')
+            ->willReturnCallback(function () use ($currentDay): array {
+                return [
+                    $currentDay->format($currentDay->format('Ymd')),
+                ];
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('filterDay')
+            ->willReturnCallback(function (): array {
+                return [
+                    (new Bookmark())
+                        ->setId(1)
+                        ->setUrl('http://url.tld')
+                        ->setTitle(static::generateString(50))
+                        ->setDescription(static::generateString(500))
+                    ,
+                ];
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_daily'])
+            ->willReturnCallback(function (string $hook, array $data, array $param) use ($currentDay): array {
+                if ('render_daily' === $hook) {
+                    static::assertArrayHasKey('linksToDisplay', $data);
+                    static::assertCount(1, $data['linksToDisplay']);
+                    static::assertSame(1, $data['linksToDisplay'][0]['id']);
+                    static::assertSame($currentDay->getTimestamp(), $data['day']);
+                    static::assertEmpty($data['previousday']);
+                    static::assertEmpty($data['nextday']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                }
+
+                return $data;
+            });
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('daily', (string) $result->getBody());
+        static::assertSame(
+            'Daily - '. format_date($currentDay, false, true) .' - Shaarli',
+            $assignedVariables['pagetitle']
+        );
+        static::assertCount(1, $assignedVariables['linksToDisplay']);
+
+        $link = $assignedVariables['linksToDisplay'][0];
+        static::assertSame(1, $link['id']);
+    }
+
+    /**
+     * Daily page - test that height adjustment in columns is working
+     */
+    public function testValidIndexControllerInvokeHeightAdjustment(): void
+    {
+        $currentDay = new \DateTimeImmutable('2020-05-13');
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        // Links dataset: 2 links with thumbnails
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('days')
+            ->willReturnCallback(function () use ($currentDay): array {
+                return [
+                    $currentDay->format($currentDay->format('Ymd')),
+                ];
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('filterDay')
+            ->willReturnCallback(function (): array {
+                return [
+                    (new Bookmark())->setId(1)->setUrl('http://url.tld')->setTitle('title'),
+                    (new Bookmark())
+                        ->setId(2)
+                        ->setUrl('http://url.tld')
+                        ->setTitle(static::generateString(50))
+                        ->setDescription(static::generateString(5000))
+                    ,
+                    (new Bookmark())->setId(3)->setUrl('http://url.tld')->setTitle('title'),
+                    (new Bookmark())->setId(4)->setUrl('http://url.tld')->setTitle('title'),
+                    (new Bookmark())->setId(5)->setUrl('http://url.tld')->setTitle('title'),
+                    (new Bookmark())->setId(6)->setUrl('http://url.tld')->setTitle('title'),
+                    (new Bookmark())->setId(7)->setUrl('http://url.tld')->setTitle('title'),
+                ];
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('daily', (string) $result->getBody());
+        static::assertCount(7, $assignedVariables['linksToDisplay']);
+
+        $columnIds = function (array $column): array {
+            return array_map(function (array $item): int { return $item['id']; }, $column);
+        };
+
+        static::assertSame([1, 4, 6], $columnIds($assignedVariables['cols'][0]));
+        static::assertSame([2], $columnIds($assignedVariables['cols'][1]));
+        static::assertSame([3, 5, 7], $columnIds($assignedVariables['cols'][2]));
+    }
+
+    /**
+     * Daily page - no bookmark
+     */
+    public function testValidIndexControllerInvokeNoBookmark(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        // Links dataset: 2 links with thumbnails
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('days')
+            ->willReturnCallback(function (): array {
+                return [];
+            })
+        ;
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('filterDay')
+            ->willReturnCallback(function (): array {
+                return [];
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('daily', (string) $result->getBody());
+        static::assertCount(0, $assignedVariables['linksToDisplay']);
+        static::assertSame('Today', $assignedVariables['dayDesc']);
+        static::assertEquals((new \DateTime())->setTime(0, 0)->getTimestamp(), $assignedVariables['day']);
+        static::assertEquals((new \DateTime())->setTime(0, 0), $assignedVariables['dayDate']);
+    }
+
+    /**
+     * Daily RSS - default behaviour
+     */
+    public function testValidRssControllerInvokeDefault(): void
+    {
+        $dates = [
+            new \DateTimeImmutable('2020-05-17'),
+            new \DateTimeImmutable('2020-05-15'),
+            new \DateTimeImmutable('2020-05-13'),
+        ];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService->expects(static::once())->method('search')->willReturn([
+            (new Bookmark())->setId(1)->setCreated($dates[0])->setUrl('http://domain.tld/1'),
+            (new Bookmark())->setId(2)->setCreated($dates[1])->setUrl('http://domain.tld/2'),
+            (new Bookmark())->setId(3)->setCreated($dates[1])->setUrl('http://domain.tld/3'),
+            (new Bookmark())->setId(4)->setCreated($dates[2])->setUrl('http://domain.tld/4'),
+        ]);
+
+        $this->container->pageCacheManager
+            ->expects(static::once())
+            ->method('getCachePage')
+            ->willReturnCallback(function (): CachedPage {
+                $cachedPage = $this->createMock(CachedPage::class);
+                $cachedPage->expects(static::once())->method('cache')->with('dailyrss');
+
+                return $cachedPage;
+            }
+        );
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = $this->controller->rss($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString('application/rss', $result->getHeader('Content-Type')[0]);
+        static::assertSame('dailyrss', (string) $result->getBody());
+        static::assertSame('Shaarli', $assignedVariables['title']);
+        static::assertSame('http://shaarli/subfolder/', $assignedVariables['index_url']);
+        static::assertSame('http://shaarli/subfolder/daily-rss', $assignedVariables['page_url']);
+        static::assertFalse($assignedVariables['hide_timestamps']);
+        static::assertCount(2, $assignedVariables['days']);
+
+        $day = $assignedVariables['days'][$dates[0]->format('Ymd')];
+
+        static::assertEquals($dates[0], $day['date']);
+        static::assertSame($dates[0]->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame(format_date($dates[0], false), $day['date_human']);
+        static::assertSame('http://shaarli/subfolder/daily?day='. $dates[0]->format('Ymd'), $day['absolute_url']);
+        static::assertCount(1, $day['links']);
+        static::assertSame(1, $day['links'][0]['id']);
+        static::assertSame('http://domain.tld/1', $day['links'][0]['url']);
+        static::assertEquals($dates[0], $day['links'][0]['created']);
+
+        $day = $assignedVariables['days'][$dates[1]->format('Ymd')];
+
+        static::assertEquals($dates[1], $day['date']);
+        static::assertSame($dates[1]->format(\DateTime::RSS), $day['date_rss']);
+        static::assertSame(format_date($dates[1], false), $day['date_human']);
+        static::assertSame('http://shaarli/subfolder/daily?day='. $dates[1]->format('Ymd'), $day['absolute_url']);
+        static::assertCount(2, $day['links']);
+
+        static::assertSame(2, $day['links'][0]['id']);
+        static::assertSame('http://domain.tld/2', $day['links'][0]['url']);
+        static::assertEquals($dates[1], $day['links'][0]['created']);
+        static::assertSame(3, $day['links'][1]['id']);
+        static::assertSame('http://domain.tld/3', $day['links'][1]['url']);
+        static::assertEquals($dates[1], $day['links'][1]['created']);
+    }
+
+    /**
+     * Daily RSS - trigger cache rendering
+     */
+    public function testValidRssControllerInvokeTriggerCache(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->pageCacheManager->method('getCachePage')->willReturnCallback(function (): CachedPage {
+            $cachedPage = $this->createMock(CachedPage::class);
+            $cachedPage->method('cachedVersion')->willReturn('this is cache!');
+
+            return $cachedPage;
+        });
+
+        $this->container->bookmarkService->expects(static::never())->method('search');
+
+        $result = $this->controller->rss($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString('application/rss', $result->getHeader('Content-Type')[0]);
+        static::assertSame('this is cache!', (string) $result->getBody());
+    }
+
+    /**
+     * Daily RSS - No bookmark
+     */
+    public function testValidRssControllerInvokeNoBookmark(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->bookmarkService->expects(static::once())->method('search')->willReturn([]);
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = $this->controller->rss($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString('application/rss', $result->getHeader('Content-Type')[0]);
+        static::assertSame('dailyrss', (string) $result->getBody());
+        static::assertSame('Shaarli', $assignedVariables['title']);
+        static::assertSame('http://shaarli/subfolder/', $assignedVariables['index_url']);
+        static::assertSame('http://shaarli/subfolder/daily-rss', $assignedVariables['page_url']);
+        static::assertFalse($assignedVariables['hide_timestamps']);
+        static::assertCount(0, $assignedVariables['days']);
+    }
+}
diff --git a/tests/front/controller/visitor/ErrorControllerTest.php b/tests/front/controller/visitor/ErrorControllerTest.php
new file mode 100644
index 00000000..75408cf4
--- /dev/null
+++ b/tests/front/controller/visitor/ErrorControllerTest.php
@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Front\Exception\ShaarliFrontException;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class ErrorControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var ErrorController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new ErrorController($this->container);
+    }
+
+    /**
+     * Test displaying error with a ShaarliFrontException: display exception message and use its code for HTTTP code
+     */
+    public function testDisplayFrontExceptionError(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $message = 'error message';
+        $errorCode = 418;
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = ($this->controller)(
+            $request,
+            $response,
+            new class($message, $errorCode) extends ShaarliFrontException {}
+        );
+
+        static::assertSame($errorCode, $result->getStatusCode());
+        static::assertSame($message, $assignedVariables['message']);
+        static::assertArrayNotHasKey('stacktrace', $assignedVariables);
+    }
+
+    /**
+     * Test displaying error with any exception (no debug): only display an error occurred with HTTP 500.
+     */
+    public function testDisplayAnyExceptionErrorNoDebug(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = ($this->controller)($request, $response, new \Exception('abc'));
+
+        static::assertSame(500, $result->getStatusCode());
+        static::assertSame('An unexpected error occurred.', $assignedVariables['message']);
+        static::assertArrayNotHasKey('stacktrace', $assignedVariables);
+    }
+}
diff --git a/tests/front/controller/visitor/ErrorNotFoundControllerTest.php b/tests/front/controller/visitor/ErrorNotFoundControllerTest.php
new file mode 100644
index 00000000..a1cbbecf
--- /dev/null
+++ b/tests/front/controller/visitor/ErrorNotFoundControllerTest.php
@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+use Slim\Http\Uri;
+
+class ErrorNotFoundControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var ErrorNotFoundController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new ErrorNotFoundController($this->container);
+    }
+
+    /**
+     * Test displaying 404 error
+     */
+    public function testDisplayNotFoundError(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->expects(static::once())->method('getRequestTarget')->willReturn('/');
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = ($this->controller)(
+            $request,
+            $response
+        );
+
+        static::assertSame(404, $result->getStatusCode());
+        static::assertSame('404', (string) $result->getBody());
+        static::assertSame('Requested page could not be found.', $assignedVariables['error_message']);
+    }
+
+    /**
+     * Test displaying 404 error from REST API
+     */
+    public function testDisplayNotFoundErrorFromAPI(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->expects(static::once())->method('getRequestTarget')->willReturn('/sufolder/api/v1/links');
+        $request->method('getUri')->willReturnCallback(function (): Uri {
+            $uri = $this->createMock(Uri::class);
+            $uri->method('getBasePath')->willReturn('/subfolder');
+
+            return $uri;
+        });
+
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = ($this->controller)($request, $response);
+
+        static::assertSame(404, $result->getStatusCode());
+        static::assertSame([], $assignedVariables);
+    }
+}
diff --git a/tests/front/controller/visitor/FeedControllerTest.php b/tests/front/controller/visitor/FeedControllerTest.php
new file mode 100644
index 00000000..4ae7c925
--- /dev/null
+++ b/tests/front/controller/visitor/FeedControllerTest.php
@@ -0,0 +1,151 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Feed\FeedBuilder;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class FeedControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var FeedController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->feedBuilder = $this->createMock(FeedBuilder::class);
+
+        $this->controller = new FeedController($this->container);
+    }
+
+    /**
+     * Feed Controller - RSS default behaviour
+     */
+    public function testDefaultRssController(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->feedBuilder->expects(static::once())->method('setLocale');
+        $this->container->feedBuilder->expects(static::once())->method('setHideDates')->with(false);
+        $this->container->feedBuilder->expects(static::once())->method('setUsePermalinks')->with(true);
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->feedBuilder->method('buildData')->willReturn(['content' => 'data']);
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_feed'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): void {
+                if ('render_feed' === $hook) {
+                    static::assertSame('data', $data['content']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                    static::assertSame('feed.rss', $param['target']);
+                }
+            })
+        ;
+
+        $result = $this->controller->rss($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString('application/rss', $result->getHeader('Content-Type')[0]);
+        static::assertSame('feed.rss', (string) $result->getBody());
+        static::assertSame('data', $assignedVariables['content']);
+    }
+
+    /**
+     * Feed Controller - ATOM default behaviour
+     */
+    public function testDefaultAtomController(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->feedBuilder->expects(static::once())->method('setLocale');
+        $this->container->feedBuilder->expects(static::once())->method('setHideDates')->with(false);
+        $this->container->feedBuilder->expects(static::once())->method('setUsePermalinks')->with(true);
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->feedBuilder->method('buildData')->willReturn(['content' => 'data']);
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_feed'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): void {
+                if ('render_feed' === $hook) {
+                    static::assertSame('data', $data['content']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                    static::assertSame('feed.atom', $param['target']);
+                }
+            })
+        ;
+
+        $result = $this->controller->atom($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString('application/atom', $result->getHeader('Content-Type')[0]);
+        static::assertSame('feed.atom', (string) $result->getBody());
+        static::assertSame('data', $assignedVariables['content']);
+    }
+
+    /**
+     * Feed Controller - ATOM with parameters
+     */
+    public function testAtomControllerWithParameters(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getParams')->willReturn(['parameter' => 'value']);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->feedBuilder
+            ->method('buildData')
+            ->with('atom', ['parameter' => 'value'])
+            ->willReturn(['content' => 'data'])
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_feed'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): void {
+                if ('render_feed' === $hook) {
+                    static::assertSame('data', $data['content']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                    static::assertSame('feed.atom', $param['target']);
+                }
+            })
+        ;
+
+        $result = $this->controller->atom($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString('application/atom', $result->getHeader('Content-Type')[0]);
+        static::assertSame('feed.atom', (string) $result->getBody());
+        static::assertSame('data', $assignedVariables['content']);
+    }
+}
diff --git a/tests/front/controller/visitor/FrontControllerMockHelper.php b/tests/front/controller/visitor/FrontControllerMockHelper.php
new file mode 100644
index 00000000..fc0bb7d1
--- /dev/null
+++ b/tests/front/controller/visitor/FrontControllerMockHelper.php
@@ -0,0 +1,118 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Bookmark\BookmarkServiceInterface;
+use Shaarli\Config\ConfigManager;
+use Shaarli\Container\ShaarliTestContainer;
+use Shaarli\Formatter\BookmarkFormatter;
+use Shaarli\Formatter\BookmarkRawFormatter;
+use Shaarli\Formatter\FormatterFactory;
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Render\PageBuilder;
+use Shaarli\Render\PageCacheManager;
+use Shaarli\Security\LoginManager;
+use Shaarli\Security\SessionManager;
+
+/**
+ * Trait FrontControllerMockHelper
+ *
+ * Helper trait used to initialize the ShaarliContainer and mock its services for controller tests.
+ *
+ * @property ShaarliTestContainer $container
+ * @package Shaarli\Front\Controller
+ */
+trait FrontControllerMockHelper
+{
+    /** @var ShaarliTestContainer */
+    protected $container;
+
+    /**
+     * Mock the container instance and initialize container's services used by tests
+     */
+    protected function createContainer(): void
+    {
+        $this->container = $this->createMock(ShaarliTestContainer::class);
+
+        $this->container->loginManager = $this->createMock(LoginManager::class);
+
+        // Config
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->willReturnCallback(function (string $parameter, $default) {
+            return $default === null ? $parameter : $default;
+        });
+
+        // PageBuilder
+        $this->container->pageBuilder = $this->createMock(PageBuilder::class);
+        $this->container->pageBuilder
+            ->method('render')
+            ->willReturnCallback(function (string $template): string {
+                return $template;
+            })
+        ;
+
+        // Plugin Manager
+        $this->container->pluginManager = $this->createMock(PluginManager::class);
+
+        // BookmarkService
+        $this->container->bookmarkService = $this->createMock(BookmarkServiceInterface::class);
+
+        // Formatter
+        $this->container->formatterFactory = $this->createMock(FormatterFactory::class);
+        $this->container->formatterFactory
+            ->method('getFormatter')
+            ->willReturnCallback(function (): BookmarkFormatter {
+                return new BookmarkRawFormatter($this->container->conf, true);
+            })
+        ;
+
+        // CacheManager
+        $this->container->pageCacheManager = $this->createMock(PageCacheManager::class);
+
+        // SessionManager
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+
+        // $_SERVER
+        $this->container->environment = [
+            'SERVER_NAME' => 'shaarli',
+            'SERVER_PORT' => '80',
+            'REQUEST_URI' => '/subfolder/daily-rss',
+            'REMOTE_ADDR' => '1.2.3.4',
+            'SCRIPT_NAME' => '/subfolder/index.php',
+        ];
+
+        $this->container->basePath = '/subfolder';
+    }
+
+    /**
+     * Pass a reference of an array which will be populated by `pageBuilder->assign` calls during execution.
+     *
+     * @param mixed $variables Array reference to populate.
+     */
+    protected function assignTemplateVars(array &$variables): void
+    {
+        $this->container->pageBuilder
+            ->method('assign')
+            ->willReturnCallback(function ($key, $value) use (&$variables) {
+                $variables[$key] = $value;
+
+                return $this;
+            })
+        ;
+    }
+
+    protected static function generateString(int $length): string
+    {
+        // bin2hex(random_bytes) generates string twice as long as given parameter
+        $length = (int) ceil($length / 2);
+
+        return bin2hex(random_bytes($length));
+    }
+
+    /**
+     * Force to be used in PHPUnit context.
+     */
+    protected abstract function isInTestsContext(): bool;
+}
diff --git a/tests/front/controller/visitor/InstallControllerTest.php b/tests/front/controller/visitor/InstallControllerTest.php
new file mode 100644
index 00000000..345ad544
--- /dev/null
+++ b/tests/front/controller/visitor/InstallControllerTest.php
@@ -0,0 +1,295 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Config\ConfigManager;
+use Shaarli\Front\Exception\AlreadyInstalledException;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class InstallControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    const MOCK_FILE = '.tmp';
+
+    /** @var InstallController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('getConfigFileExt')->willReturn(static::MOCK_FILE);
+        $this->container->conf->method('get')->willReturnCallback(function (string $key, $default) {
+            if ($key === 'resource.raintpl_tpl') {
+                return '.';
+            }
+
+            return $default ?? $key;
+        });
+
+        $this->controller = new InstallController($this->container);
+    }
+
+    protected function tearDown(): void
+    {
+        if (file_exists(static::MOCK_FILE)) {
+            unlink(static::MOCK_FILE);
+        }
+    }
+
+    /**
+     * Test displaying install page with valid session.
+     */
+    public function testInstallIndexWithValidSession(): void
+    {
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->willReturnCallback(function (string $key, $default) {
+                return $key === 'session_tested' ? 'Working' : $default;
+            })
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('install', (string) $result->getBody());
+
+        static::assertIsArray($assignedVariables['continents']);
+        static::assertSame('Africa', $assignedVariables['continents'][0]);
+        static::assertSame('UTC', $assignedVariables['continents']['selected']);
+
+        static::assertIsArray($assignedVariables['cities']);
+        static::assertSame(['continent' => 'Africa', 'city' => 'Abidjan'], $assignedVariables['cities'][0]);
+        static::assertSame('UTC', $assignedVariables['continents']['selected']);
+
+        static::assertIsArray($assignedVariables['languages']);
+        static::assertSame('Automatic', $assignedVariables['languages']['auto']);
+        static::assertSame('French', $assignedVariables['languages']['fr']);
+    }
+
+    /**
+     * Instantiate the install controller with an existing config file: exception.
+     */
+    public function testInstallWithExistingConfigFile(): void
+    {
+        $this->expectException(AlreadyInstalledException::class);
+
+        touch(static::MOCK_FILE);
+
+        $this->controller = new InstallController($this->container);
+    }
+
+    /**
+     * Call controller without session yet defined, redirect to test session install page.
+     */
+    public function testInstallRedirectToSessionTest(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(InstallController::SESSION_TEST_KEY, InstallController::SESSION_TEST_VALUE)
+        ;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/install/session-test', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Call controller in session test mode: valid session then redirect to install page.
+     */
+    public function testInstallSessionTestValid(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->with(InstallController::SESSION_TEST_KEY)
+            ->willReturn(InstallController::SESSION_TEST_VALUE)
+        ;
+
+        $result = $this->controller->sessionTest($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/install', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Call controller in session test mode: invalid session then redirect to error page.
+     */
+    public function testInstallSessionTestError(): void
+    {
+        $assignedVars = [];
+        $this->assignTemplateVars($assignedVars);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->with(InstallController::SESSION_TEST_KEY)
+            ->willReturn('KO')
+        ;
+
+        $result = $this->controller->sessionTest($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('error', (string) $result->getBody());
+        static::assertStringStartsWith(
+            '<pre>Sessions do not seem to work correctly on your server',
+            $assignedVars['message']
+        );
+    }
+
+    /**
+     * Test saving valid data from install form. Also initialize datastore.
+     */
+    public function testSaveInstallValid(): void
+    {
+        $providedParameters = [
+            'continent' => 'Europe',
+            'city' => 'Berlin',
+            'setlogin' => 'bob',
+            'setpassword' => 'password',
+            'title' => 'Shaarli',
+            'language' => 'fr',
+            'updateCheck' => true,
+            'enableApi' => true,
+        ];
+
+        $expectedSettings = [
+            'general.timezone' => 'Europe/Berlin',
+            'credentials.login' => 'bob',
+            'credentials.salt' => '_NOT_EMPTY',
+            'credentials.hash' => '_NOT_EMPTY',
+            'general.title' => 'Shaarli',
+            'translation.language' => 'en',
+            'updates.check_updates' => true,
+            'api.enabled' => true,
+            'api.secret' => '_NOT_EMPTY',
+            'general.header_link' => '/subfolder',
+        ];
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->willReturnCallback(function (string $key) use ($providedParameters) {
+            return $providedParameters[$key] ?? null;
+        });
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf
+            ->method('get')
+            ->willReturnCallback(function (string $key, $value) {
+                if ($key === 'credentials.login') {
+                    return 'bob';
+                } elseif ($key === 'credentials.salt') {
+                    return 'salt';
+                }
+
+                return $value;
+            })
+        ;
+        $this->container->conf
+            ->expects(static::exactly(count($expectedSettings)))
+            ->method('set')
+            ->willReturnCallback(function (string $key, $value) use ($expectedSettings) {
+                if ($expectedSettings[$key] ?? null === '_NOT_EMPTY') {
+                    static::assertNotEmpty($value);
+                } else {
+                    static::assertSame($expectedSettings[$key], $value);
+                }
+            })
+        ;
+        $this->container->conf->expects(static::once())->method('write');
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_SUCCESS_MESSAGES)
+        ;
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/login', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Test default settings (timezone and title).
+     * Also check that bookmarks are not initialized if
+     */
+    public function testSaveInstallDefaultValues(): void
+    {
+        $confSettings = [];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->conf->method('set')->willReturnCallback(function (string $key, $value) use (&$confSettings) {
+            $confSettings[$key] = $value;
+        });
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/login', $result->getHeader('location')[0]);
+
+        static::assertSame('UTC', $confSettings['general.timezone']);
+        static::assertSame('Shared bookmarks on http://shaarli/subfolder/', $confSettings['general.title']);
+    }
+
+    /**
+     * Same test  as testSaveInstallDefaultValues() but for an instance install in root directory.
+     */
+    public function testSaveInstallDefaultValuesWithoutSubfolder(): void
+    {
+        $confSettings = [];
+
+        $this->container->environment = [
+            'SERVER_NAME' => 'shaarli',
+            'SERVER_PORT' => '80',
+            'REQUEST_URI' => '/install',
+            'REMOTE_ADDR' => '1.2.3.4',
+            'SCRIPT_NAME' => '/index.php',
+        ];
+
+        $this->container->basePath = '';
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->conf->method('set')->willReturnCallback(function (string $key, $value) use (&$confSettings) {
+            $confSettings[$key] = $value;
+        });
+
+        $result = $this->controller->save($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/login', $result->getHeader('location')[0]);
+
+        static::assertSame('UTC', $confSettings['general.timezone']);
+        static::assertSame('Shared bookmarks on http://shaarli/', $confSettings['general.title']);
+    }
+}
diff --git a/tests/front/controller/visitor/LoginControllerTest.php b/tests/front/controller/visitor/LoginControllerTest.php
new file mode 100644
index 00000000..1312ccb7
--- /dev/null
+++ b/tests/front/controller/visitor/LoginControllerTest.php
@@ -0,0 +1,404 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Config\ConfigManager;
+use Shaarli\Front\Exception\LoginBannedException;
+use Shaarli\Front\Exception\WrongTokenException;
+use Shaarli\Render\TemplatePage;
+use Shaarli\Security\CookieManager;
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class LoginControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var LoginController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->container->cookieManager = $this->createMock(CookieManager::class);
+        $this->container->sessionManager->method('checkToken')->willReturn(true);
+
+        $this->controller = new LoginController($this->container);
+    }
+
+    /**
+     * Test displaying login form with valid parameters.
+     */
+    public function testValidControllerInvoke(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) {
+                return 'returnurl' === $key ? '> referer' : null;
+            })
+        ;
+        $response = new Response();
+
+        $assignedVariables = [];
+        $this->container->pageBuilder
+            ->method('assign')
+            ->willReturnCallback(function ($key, $value) use (&$assignedVariables) {
+                $assignedVariables[$key] = $value;
+
+                return $this;
+            })
+        ;
+
+        $this->container->loginManager->method('canLogin')->willReturn(true);
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame(TemplatePage::LOGIN, (string) $result->getBody());
+
+        static::assertSame('&gt; referer', $assignedVariables['returnurl']);
+        static::assertSame(true, $assignedVariables['remember_user_default']);
+        static::assertSame('Login - Shaarli', $assignedVariables['pagetitle']);
+    }
+
+    /**
+     * Test displaying login form with username defined in the request.
+     */
+    public function testValidControllerInvokeWithUserName(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => '> referer'];
+
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key, $default) {
+                if ('login' === $key) {
+                    return 'myUser>';
+                }
+
+                return $default;
+            })
+        ;
+        $response = new Response();
+
+        $assignedVariables = [];
+        $this->container->pageBuilder
+            ->method('assign')
+            ->willReturnCallback(function ($key, $value) use (&$assignedVariables) {
+                $assignedVariables[$key] = $value;
+
+                return $this;
+            })
+        ;
+
+        $this->container->loginManager->expects(static::once())->method('canLogin')->willReturn(true);
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('loginform', (string) $result->getBody());
+
+        static::assertSame('myUser&gt;', $assignedVariables['username']);
+        static::assertSame('&gt; referer', $assignedVariables['returnurl']);
+        static::assertSame(true, $assignedVariables['remember_user_default']);
+        static::assertSame('Login - Shaarli', $assignedVariables['pagetitle']);
+    }
+
+    /**
+     * Test displaying login page while being logged in.
+     */
+    public function testLoginControllerWhileLoggedIn(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->loginManager->expects(static::once())->method('isLoggedIn')->willReturn(true);
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('Location'));
+    }
+
+    /**
+     * Test displaying login page with open shaarli configured: redirect to homepage.
+     */
+    public function testLoginControllerOpenShaarli(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $conf = $this->createMock(ConfigManager::class);
+        $conf->method('get')->willReturnCallback(function (string $parameter, $default) {
+            if ($parameter === 'security.open_shaarli') {
+                return true;
+            }
+            return $default;
+        });
+        $this->container->conf = $conf;
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('Location'));
+    }
+
+    /**
+     * Test displaying login page while being banned.
+     */
+    public function testLoginControllerWhileBanned(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(false);
+        $this->container->loginManager->method('canLogin')->willReturn(false);
+
+        $this->expectException(LoginBannedException::class);
+
+        $this->controller->index($request, $response);
+    }
+
+    /**
+     * Test processing login with valid parameters.
+     */
+    public function testProcessLoginWithValidParameters(): void
+    {
+        $parameters = [
+            'login' => 'bob',
+            'password' => 'pass',
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters) {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->loginManager->method('canLogin')->willReturn(true);
+        $this->container->loginManager->expects(static::once())->method('handleSuccessfulLogin');
+        $this->container->loginManager
+            ->expects(static::once())
+            ->method('checkCredentials')
+            ->with('1.2.3.4', '1.2.3.4', 'bob', 'pass')
+            ->willReturn(true)
+        ;
+        $this->container->loginManager->method('getStaySignedInToken')->willReturn(bin2hex(random_bytes(8)));
+
+        $this->container->sessionManager->expects(static::never())->method('extendSession');
+        $this->container->sessionManager->expects(static::once())->method('destroy');
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('cookieParameters')
+            ->with(0, '/subfolder/', 'shaarli')
+        ;
+        $this->container->sessionManager->expects(static::once())->method('start');
+        $this->container->sessionManager->expects(static::once())->method('regenerateId')->with(true);
+
+        $result = $this->controller->login($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Test processing login with return URL.
+     */
+    public function testProcessLoginWithReturnUrl(): void
+    {
+        $parameters = [
+            'returnurl' => 'http://shaarli/subfolder/admin/shaare',
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters) {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->loginManager->method('canLogin')->willReturn(true);
+        $this->container->loginManager->expects(static::once())->method('handleSuccessfulLogin');
+        $this->container->loginManager->expects(static::once())->method('checkCredentials')->willReturn(true);
+        $this->container->loginManager->method('getStaySignedInToken')->willReturn(bin2hex(random_bytes(8)));
+
+        $result = $this->controller->login($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/admin/shaare', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Test processing login with remember me session enabled.
+     */
+    public function testProcessLoginLongLastingSession(): void
+    {
+        $parameters = [
+            'longlastingsession' => true,
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters) {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->loginManager->method('canLogin')->willReturn(true);
+        $this->container->loginManager->expects(static::once())->method('handleSuccessfulLogin');
+        $this->container->loginManager->expects(static::once())->method('checkCredentials')->willReturn(true);
+        $this->container->loginManager->method('getStaySignedInToken')->willReturn(bin2hex(random_bytes(8)));
+
+        $this->container->sessionManager->expects(static::once())->method('destroy');
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('cookieParameters')
+            ->with(42, '/subfolder/', 'shaarli')
+        ;
+        $this->container->sessionManager->expects(static::once())->method('start');
+        $this->container->sessionManager->expects(static::once())->method('regenerateId')->with(true);
+        $this->container->sessionManager->expects(static::once())->method('extendSession')->willReturn(42);
+
+        $this->container->cookieManager = $this->createMock(CookieManager::class);
+        $this->container->cookieManager
+            ->expects(static::once())
+            ->method('setCookieParameter')
+            ->willReturnCallback(function (string $name): CookieManager {
+                static::assertSame(CookieManager::STAY_SIGNED_IN, $name);
+
+                return $this->container->cookieManager;
+            })
+        ;
+
+        $result = $this->controller->login($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Test processing login with invalid credentials
+     */
+    public function testProcessLoginWrongCredentials(): void
+    {
+        $parameters = [
+            'returnurl' => 'http://shaarli/subfolder/admin/shaare',
+        ];
+        $request = $this->createMock(Request::class);
+        $request
+            ->expects(static::atLeastOnce())
+            ->method('getParam')
+            ->willReturnCallback(function (string $key) use ($parameters) {
+                return $parameters[$key] ?? null;
+            })
+        ;
+        $response = new Response();
+
+        $this->container->loginManager->method('canLogin')->willReturn(true);
+        $this->container->loginManager->expects(static::once())->method('handleFailedLogin');
+        $this->container->loginManager->expects(static::once())->method('checkCredentials')->willReturn(false);
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_ERROR_MESSAGES, ['Wrong login/password.'])
+        ;
+
+        $result = $this->controller->login($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame(TemplatePage::LOGIN, (string) $result->getBody());
+    }
+
+    /**
+     * Test processing login with wrong token
+     */
+    public function testProcessLoginWrongToken(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager = $this->createMock(SessionManager::class);
+        $this->container->sessionManager->method('checkToken')->willReturn(false);
+
+        $this->expectException(WrongTokenException::class);
+
+        $this->controller->login($request, $response);
+    }
+
+    /**
+     * Test processing login with wrong token
+     */
+    public function testProcessLoginAlreadyLoggedIn(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+        $this->container->loginManager->expects(static::never())->method('handleSuccessfulLogin');
+        $this->container->loginManager->expects(static::never())->method('handleFailedLogin');
+
+        $result = $this->controller->login($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Test processing login with wrong token
+     */
+    public function testProcessLoginInOpenShaarli(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->willReturnCallback(function (string $key, $value) {
+            return 'security.open_shaarli' === $key ? true : $value;
+        });
+
+        $this->container->loginManager->expects(static::never())->method('handleSuccessfulLogin');
+        $this->container->loginManager->expects(static::never())->method('handleFailedLogin');
+
+        $result = $this->controller->login($request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame('/subfolder/', $result->getHeader('location')[0]);
+    }
+
+    /**
+     * Test processing login while being banned
+     */
+    public function testProcessLoginWhileBanned(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->loginManager->method('canLogin')->willReturn(false);
+        $this->container->loginManager->expects(static::never())->method('handleSuccessfulLogin');
+        $this->container->loginManager->expects(static::never())->method('handleFailedLogin');
+
+        $this->expectException(LoginBannedException::class);
+
+        $this->controller->login($request, $response);
+    }
+}
diff --git a/tests/front/controller/visitor/OpenSearchControllerTest.php b/tests/front/controller/visitor/OpenSearchControllerTest.php
new file mode 100644
index 00000000..42d876c3
--- /dev/null
+++ b/tests/front/controller/visitor/OpenSearchControllerTest.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class OpenSearchControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var OpenSearchController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new OpenSearchController($this->container);
+    }
+
+    public function testOpenSearchController(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertStringContainsString(
+            'application/opensearchdescription+xml',
+            $result->getHeader('Content-Type')[0]
+        );
+        static::assertSame('opensearch', (string) $result->getBody());
+        static::assertSame('http://shaarli/subfolder/', $assignedVariables['serverurl']);
+    }
+}
diff --git a/tests/front/controller/visitor/PictureWallControllerTest.php b/tests/front/controller/visitor/PictureWallControllerTest.php
new file mode 100644
index 00000000..b868231d
--- /dev/null
+++ b/tests/front/controller/visitor/PictureWallControllerTest.php
@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Bookmark\Bookmark;
+use Shaarli\Config\ConfigManager;
+use Shaarli\Front\Exception\ThumbnailsDisabledException;
+use Shaarli\TestCase;
+use Shaarli\Thumbnailer;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class PictureWallControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var PictureWallController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new PictureWallController($this->container);
+    }
+
+    public function testValidControllerInvokeDefault(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->expects(static::once())->method('getQueryParams')->willReturn([]);
+        $response = new Response();
+
+        // ConfigManager: thumbnails are enabled
+        $this->container->conf = $this->createMock(ConfigManager::class);
+        $this->container->conf->method('get')->willReturnCallback(function (string $parameter, $default) {
+            if ($parameter === 'thumbnails.mode') {
+                return Thumbnailer::MODE_COMMON;
+            }
+
+            return $default;
+        });
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        // Links dataset: 2 links with thumbnails
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('search')
+            ->willReturnCallback(function (array $parameters, ?string $visibility): array {
+                // Visibility is set through the container, not the call
+                static::assertNull($visibility);
+
+                // No query parameters
+                if (count($parameters) === 0) {
+                    return [
+                        (new Bookmark())->setId(1)->setUrl('http://url.tld')->setThumbnail('thumb1'),
+                        (new Bookmark())->setId(2)->setUrl('http://url2.tld'),
+                        (new Bookmark())->setId(3)->setUrl('http://url3.tld')->setThumbnail('thumb2'),
+                    ];
+                }
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_picwall'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+                if ('render_picwall' === $hook) {
+                    static::assertArrayHasKey('linksToDisplay', $data);
+                    static::assertCount(2, $data['linksToDisplay']);
+                    static::assertSame(1, $data['linksToDisplay'][0]['id']);
+                    static::assertSame(3, $data['linksToDisplay'][1]['id']);
+                    static::assertArrayHasKey('loggedin', $param);
+                }
+
+                return $data;
+            });
+
+        $result = $this->controller->index($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('picwall', (string) $result->getBody());
+        static::assertSame('Picture wall - Shaarli', $assignedVariables['pagetitle']);
+        static::assertCount(2, $assignedVariables['linksToDisplay']);
+
+        $link = $assignedVariables['linksToDisplay'][0];
+
+        static::assertSame(1, $link['id']);
+        static::assertSame('http://url.tld', $link['url']);
+        static::assertSame('thumb1', $link['thumbnail']);
+
+        $link = $assignedVariables['linksToDisplay'][1];
+
+        static::assertSame(3, $link['id']);
+        static::assertSame('http://url3.tld', $link['url']);
+        static::assertSame('thumb2', $link['thumbnail']);
+    }
+
+    public function testControllerWithThumbnailsDisabled(): void
+    {
+        $this->expectException(ThumbnailsDisabledException::class);
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // ConfigManager: thumbnails are disabled
+        $this->container->conf->method('get')->willReturnCallback(function (string $parameter, $default) {
+            if ($parameter === 'thumbnails.mode') {
+                return Thumbnailer::MODE_NONE;
+            }
+
+            return $default;
+        });
+
+        $this->controller->index($request, $response);
+    }
+}
diff --git a/tests/front/controller/visitor/PublicSessionFilterControllerTest.php b/tests/front/controller/visitor/PublicSessionFilterControllerTest.php
new file mode 100644
index 00000000..7e3b00af
--- /dev/null
+++ b/tests/front/controller/visitor/PublicSessionFilterControllerTest.php
@@ -0,0 +1,122 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Security\SessionManager;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class PublicSessionFilterControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var PublicSessionFilterController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new PublicSessionFilterController($this->container);
+    }
+
+    /**
+     * Link per page - Default call with valid parameter and a referer.
+     */
+    public function testLinksPerPage(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller/?searchtag=abc';
+
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->with('nb')->willReturn('8');
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_LINKS_PER_PAGE, 8)
+        ;
+
+        $result = $this->controller->linksPerPage($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller/?searchtag=abc'], $result->getHeader('location'));
+    }
+
+    /**
+     * Link per page - Invalid value, should use default value (20)
+     */
+    public function testLinksPerPageNotValid(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request->method('getParam')->with('nb')->willReturn('test');
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_LINKS_PER_PAGE, 20)
+        ;
+
+        $result = $this->controller->linksPerPage($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Untagged only - valid call
+     */
+    public function testUntaggedOnly(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller/?searchtag=abc';
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_UNTAGGED_ONLY, true)
+        ;
+
+        $result = $this->controller->untaggedOnly($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller/?searchtag=abc'], $result->getHeader('location'));
+    }
+
+    /**
+     * Untagged only - toggle off
+     */
+    public function testUntaggedOnlyToggleOff(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller/?searchtag=abc';
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $this->container->sessionManager
+            ->method('getSessionParameter')
+            ->with(SessionManager::KEY_UNTAGGED_ONLY)
+            ->willReturn(true)
+        ;
+        $this->container->sessionManager
+            ->expects(static::once())
+            ->method('setSessionParameter')
+            ->with(SessionManager::KEY_UNTAGGED_ONLY, false)
+        ;
+
+        $result = $this->controller->untaggedOnly($request, $response);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller/?searchtag=abc'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/visitor/ShaarliVisitorControllerTest.php b/tests/front/controller/visitor/ShaarliVisitorControllerTest.php
new file mode 100644
index 00000000..935ec24e
--- /dev/null
+++ b/tests/front/controller/visitor/ShaarliVisitorControllerTest.php
@@ -0,0 +1,246 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Bookmark\BookmarkFilter;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+/**
+ * Class ShaarliControllerTest
+ *
+ * This class is used to test default behavior of ShaarliVisitorController abstract class.
+ * It uses a dummy non abstract controller.
+ */
+class ShaarliVisitorControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var LoginController */
+    protected $controller;
+
+    /** @var mixed[] List of variable assigned to the template */
+    protected $assignedValues;
+
+    /** @var Request */
+    protected $request;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new class($this->container) extends ShaarliVisitorController
+        {
+            public function assignView(string $key, $value): ShaarliVisitorController
+            {
+                return parent::assignView($key, $value);
+            }
+
+            public function render(string $template): string
+            {
+                return parent::render($template);
+            }
+
+            public function redirectFromReferer(
+                Request $request,
+                Response $response,
+                array $loopTerms = [],
+                array $clearParams = [],
+                string $anchor = null
+            ): Response {
+                return parent::redirectFromReferer($request, $response, $loopTerms, $clearParams, $anchor);
+            }
+        };
+        $this->assignedValues = [];
+
+        $this->request = $this->createMock(Request::class);
+    }
+
+    public function testAssignView(): void
+    {
+        $this->assignTemplateVars($this->assignedValues);
+
+        $self = $this->controller->assignView('variableName', 'variableValue');
+
+        static::assertInstanceOf(ShaarliVisitorController::class, $self);
+        static::assertSame('variableValue', $this->assignedValues['variableName']);
+    }
+
+    public function testRender(): void
+    {
+        $this->assignTemplateVars($this->assignedValues);
+
+        $this->container->bookmarkService
+            ->method('count')
+            ->willReturnCallback(function (string $visibility): int {
+                return $visibility === BookmarkFilter::$PRIVATE ? 5 : 10;
+            })
+        ;
+
+        $this->container->pluginManager
+            ->method('executeHooks')
+            ->willReturnCallback(function (string $hook, array &$data, array $params): array {
+                return $data[$hook] = $params;
+            });
+        $this->container->pluginManager->method('getErrors')->willReturn(['error']);
+
+        $this->container->loginManager->method('isLoggedIn')->willReturn(true);
+
+        $render = $this->controller->render('templateName');
+
+        static::assertSame('templateName', $render);
+
+        static::assertSame(10, $this->assignedValues['linkcount']);
+        static::assertSame(5, $this->assignedValues['privateLinkcount']);
+        static::assertSame(['error'], $this->assignedValues['plugin_errors']);
+
+        static::assertSame('templateName', $this->assignedValues['plugins_includes']['render_includes']['target']);
+        static::assertTrue($this->assignedValues['plugins_includes']['render_includes']['loggedin']);
+        static::assertSame('templateName', $this->assignedValues['plugins_header']['render_header']['target']);
+        static::assertTrue($this->assignedValues['plugins_header']['render_header']['loggedin']);
+        static::assertSame('templateName', $this->assignedValues['plugins_footer']['render_footer']['target']);
+        static::assertTrue($this->assignedValues['plugins_footer']['render_footer']['loggedin']);
+    }
+
+    /**
+     * Test redirectFromReferer() - Default behaviour
+     */
+    public function testRedirectFromRefererDefault(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller?query=param&other=2'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test redirectFromReferer() - With a loop term not matched in the referer
+     */
+    public function testRedirectFromRefererWithUnmatchedLoopTerm(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response, ['nope']);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller?query=param&other=2'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test redirectFromReferer() - With a loop term matching the referer in its path -> redirect to default
+     */
+    public function testRedirectFromRefererWithMatchingLoopTermInPath(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response, ['nope', 'controller']);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test redirectFromReferer() - With a loop term matching the referer in its query parameters -> redirect to default
+     */
+    public function testRedirectFromRefererWithMatchingLoopTermInQueryParam(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response, ['nope', 'other']);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test redirectFromReferer() - With a loop term matching the referer in its query value
+     *                              -> we do not block redirection for query parameter values.
+     */
+    public function testRedirectFromRefererWithMatchingLoopTermInQueryValue(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response, ['nope', 'param']);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller?query=param&other=2'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test redirectFromReferer() - With a loop term matching the referer in its domain name
+     *                              -> we do not block redirection for shaarli's hosts
+     */
+    public function testRedirectFromRefererWithLoopTermInDomain(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response, ['shaarli']);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller?query=param&other=2'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test redirectFromReferer() - With a loop term matching a query parameter AND clear this query param
+     *                              -> the param should be cleared before checking if it matches the redir loop terms
+     */
+    public function testRedirectFromRefererWithMatchingClearedParam(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://shaarli/subfolder/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response, ['query'], ['query']);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/controller?other=2'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test redirectFromReferer() - From another domain -> we ignore the given referrer.
+     */
+    public function testRedirectExternalReferer(): void
+    {
+        $this->container->environment['HTTP_REFERER'] = 'http://other.domain.tld/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response, ['query'], ['query']);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    /**
+     * Test redirectFromReferer() - From another domain -> we ignore the given referrer.
+     */
+    public function testRedirectExternalRefererExplicitDomainName(): void
+    {
+        $this->container->environment['SERVER_NAME'] = 'my.shaarli.tld';
+        $this->container->environment['HTTP_REFERER'] = 'http://your.shaarli.tld/controller?query=param&other=2';
+
+        $response = new Response();
+
+        $result = $this->controller->redirectFromReferer($this->request, $response, ['query'], ['query']);
+
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+}
diff --git a/tests/front/controller/visitor/TagCloudControllerTest.php b/tests/front/controller/visitor/TagCloudControllerTest.php
new file mode 100644
index 00000000..9305612e
--- /dev/null
+++ b/tests/front/controller/visitor/TagCloudControllerTest.php
@@ -0,0 +1,381 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Bookmark\BookmarkFilter;
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class TagCloudControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var TagCloudController */
+    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new TagCloudController($this->container);
+    }
+
+    /**
+     * Tag Cloud - default parameters
+     */
+    public function testValidCloudControllerInvokeDefault(): void
+    {
+        $allTags = [
+            'ghi' => 1,
+            'abc' => 3,
+            'def' => 12,
+        ];
+        $expectedOrder = ['abc', 'def', 'ghi'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('bookmarksCountPerTag')
+            ->with([], null)
+            ->willReturnCallback(function () use ($allTags): array {
+                return $allTags;
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_tagcloud'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+                if ('render_tagcloud' === $hook) {
+                    static::assertSame('', $data['search_tags']);
+                    static::assertCount(3, $data['tags']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->cloud($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('tag.cloud', (string) $result->getBody());
+        static::assertSame('Tag cloud - Shaarli', $assignedVariables['pagetitle']);
+
+        static::assertSame('', $assignedVariables['search_tags']);
+        static::assertCount(3, $assignedVariables['tags']);
+        static::assertSame($expectedOrder, array_keys($assignedVariables['tags']));
+
+        foreach ($allTags as $tag => $count) {
+            static::assertArrayHasKey($tag, $assignedVariables['tags']);
+            static::assertSame($count, $assignedVariables['tags'][$tag]['count']);
+            static::assertGreaterThan(0, $assignedVariables['tags'][$tag]['size']);
+            static::assertLessThan(5, $assignedVariables['tags'][$tag]['size']);
+        }
+    }
+
+    /**
+     * Tag Cloud - Additional parameters:
+     *   - logged in
+     *   - visibility private
+     *   - search tags: `ghi` and `def` (note that filtered tags are not displayed anymore)
+     */
+    public function testValidCloudControllerInvokeWithParameters(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getQueryParam')
+            ->with()
+            ->willReturnCallback(function (string $key): ?string {
+                if ('searchtags' === $key) {
+                    return 'ghi def';
+                }
+
+                return null;
+            })
+        ;
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->loginManager->method('isLoggedin')->willReturn(true);
+        $this->container->sessionManager->expects(static::once())->method('getSessionParameter')->willReturn('private');
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('bookmarksCountPerTag')
+            ->with(['ghi', 'def'], BookmarkFilter::$PRIVATE)
+            ->willReturnCallback(function (): array {
+                return ['abc' => 3];
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_tagcloud'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+               if ('render_tagcloud' === $hook) {
+                   static::assertSame('ghi def', $data['search_tags']);
+                   static::assertCount(1, $data['tags']);
+
+                   static::assertArrayHasKey('loggedin', $param);
+               }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->cloud($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('tag.cloud', (string) $result->getBody());
+        static::assertSame('ghi def - Tag cloud - Shaarli', $assignedVariables['pagetitle']);
+
+        static::assertSame('ghi def', $assignedVariables['search_tags']);
+        static::assertCount(1, $assignedVariables['tags']);
+
+        static::assertArrayHasKey('abc', $assignedVariables['tags']);
+        static::assertSame(3, $assignedVariables['tags']['abc']['count']);
+        static::assertGreaterThan(0, $assignedVariables['tags']['abc']['size']);
+        static::assertLessThan(5, $assignedVariables['tags']['abc']['size']);
+    }
+
+    /**
+     * Tag Cloud - empty
+     */
+    public function testEmptyCloud(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('bookmarksCountPerTag')
+            ->with([], null)
+            ->willReturnCallback(function (array $parameters, ?string $visibility): array {
+                return [];
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_tagcloud'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+                if ('render_tagcloud' === $hook) {
+                    static::assertSame('', $data['search_tags']);
+                    static::assertCount(0, $data['tags']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->cloud($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('tag.cloud', (string) $result->getBody());
+        static::assertSame('Tag cloud - Shaarli', $assignedVariables['pagetitle']);
+
+        static::assertSame('', $assignedVariables['search_tags']);
+        static::assertCount(0, $assignedVariables['tags']);
+    }
+
+    /**
+     * Tag List - Default sort is by usage DESC
+     */
+    public function testValidListControllerInvokeDefault(): void
+    {
+        $allTags = [
+            'def' => 12,
+            'abc' => 3,
+            'ghi' => 1,
+        ];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('bookmarksCountPerTag')
+            ->with([], null)
+            ->willReturnCallback(function () use ($allTags): array {
+                return $allTags;
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_taglist'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+                if ('render_taglist' === $hook) {
+                    static::assertSame('', $data['search_tags']);
+                    static::assertCount(3, $data['tags']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->list($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('tag.list', (string) $result->getBody());
+        static::assertSame('Tag list - Shaarli', $assignedVariables['pagetitle']);
+
+        static::assertSame('', $assignedVariables['search_tags']);
+        static::assertCount(3, $assignedVariables['tags']);
+
+        foreach ($allTags as $tag => $count) {
+            static::assertSame($count, $assignedVariables['tags'][$tag]);
+        }
+    }
+
+    /**
+     * Tag List - Additional parameters:
+     *   - logged in
+     *   - visibility private
+     *   - search tags: `ghi` and `def` (note that filtered tags are not displayed anymore)
+     *   - sort alphabetically
+     */
+    public function testValidListControllerInvokeWithParameters(): void
+    {
+        $request = $this->createMock(Request::class);
+        $request
+            ->method('getQueryParam')
+            ->with()
+            ->willReturnCallback(function (string $key): ?string {
+                if ('searchtags' === $key) {
+                    return 'ghi def';
+                } elseif ('sort' === $key) {
+                    return 'alpha';
+                }
+
+                return null;
+            })
+        ;
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->loginManager->method('isLoggedin')->willReturn(true);
+        $this->container->sessionManager->expects(static::once())->method('getSessionParameter')->willReturn('private');
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('bookmarksCountPerTag')
+            ->with(['ghi', 'def'], BookmarkFilter::$PRIVATE)
+            ->willReturnCallback(function (): array {
+                return ['abc' => 3];
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_taglist'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+                if ('render_taglist' === $hook) {
+                    static::assertSame('ghi def', $data['search_tags']);
+                    static::assertCount(1, $data['tags']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->list($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('tag.list', (string) $result->getBody());
+        static::assertSame('ghi def - Tag list - Shaarli', $assignedVariables['pagetitle']);
+
+        static::assertSame('ghi def', $assignedVariables['search_tags']);
+        static::assertCount(1, $assignedVariables['tags']);
+        static::assertSame(3, $assignedVariables['tags']['abc']);
+    }
+
+    /**
+     * Tag List - empty
+     */
+    public function testEmptyList(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        // Save RainTPL assigned variables
+        $assignedVariables = [];
+        $this->assignTemplateVars($assignedVariables);
+
+        $this->container->bookmarkService
+            ->expects(static::once())
+            ->method('bookmarksCountPerTag')
+            ->with([], null)
+            ->willReturnCallback(function (array $parameters, ?string $visibility): array {
+                return [];
+            })
+        ;
+
+        // Make sure that PluginManager hook is triggered
+        $this->container->pluginManager
+            ->expects(static::atLeastOnce())
+            ->method('executeHooks')
+            ->withConsecutive(['render_taglist'])
+            ->willReturnCallback(function (string $hook, array $data, array $param): array {
+                if ('render_taglist' === $hook) {
+                    static::assertSame('', $data['search_tags']);
+                    static::assertCount(0, $data['tags']);
+
+                    static::assertArrayHasKey('loggedin', $param);
+                }
+
+                return $data;
+            })
+        ;
+
+        $result = $this->controller->list($request, $response);
+
+        static::assertSame(200, $result->getStatusCode());
+        static::assertSame('tag.list', (string) $result->getBody());
+        static::assertSame('Tag list - Shaarli', $assignedVariables['pagetitle']);
+
+        static::assertSame('', $assignedVariables['search_tags']);
+        static::assertCount(0, $assignedVariables['tags']);
+    }
+}
diff --git a/tests/front/controller/visitor/TagControllerTest.php b/tests/front/controller/visitor/TagControllerTest.php
new file mode 100644
index 00000000..750ea02d
--- /dev/null
+++ b/tests/front/controller/visitor/TagControllerTest.php
@@ -0,0 +1,215 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\TestCase;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+class TagControllerTest extends TestCase
+{
+    use FrontControllerMockHelper;
+
+    /** @var TagController */    protected $controller;
+
+    public function setUp(): void
+    {
+        $this->createContainer();
+
+        $this->controller = new TagController($this->container);
+    }
+
+    public function testAddTagWithReferer(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['newTag' => 'abc'];
+
+        $result = $this->controller->addTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/?searchtags=abc'], $result->getHeader('location'));
+    }
+
+    public function testAddTagWithRefererAndExistingSearch(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/?searchtags=def'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['newTag' => 'abc'];
+
+        $result = $this->controller->addTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/?searchtags=def+abc'], $result->getHeader('location'));
+    }
+
+    public function testAddTagWithoutRefererAndExistingSearch(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['newTag' => 'abc'];
+
+        $result = $this->controller->addTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/?searchtags=abc'], $result->getHeader('location'));
+    }
+
+    public function testAddTagRemoveLegacyQueryParam(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/?searchtags=def&addtag=abc'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['newTag' => 'abc'];
+
+        $result = $this->controller->addTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/?searchtags=def+abc'], $result->getHeader('location'));
+    }
+
+    public function testAddTagResetPagination(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/?searchtags=def&page=12'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['newTag' => 'abc'];
+
+        $result = $this->controller->addTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/?searchtags=def+abc'], $result->getHeader('location'));
+    }
+
+    public function testAddTagWithRefererAndEmptySearch(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/?searchtags='];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['newTag' => 'abc'];
+
+        $result = $this->controller->addTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/?searchtags=abc'], $result->getHeader('location'));
+    }
+
+    public function testAddTagWithoutNewTagWithReferer(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/?searchtags=def'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->addTag($request, $response, []);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/?searchtags=def'], $result->getHeader('location'));
+    }
+
+    public function testAddTagWithoutNewTagWithoutReferer(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->addTag($request, $response, []);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    public function testRemoveTagWithoutMatchingTag(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/?searchtags=def'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['tag' => 'abc'];
+
+        $result = $this->controller->removeTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/?searchtags=def'], $result->getHeader('location'));
+    }
+
+    public function testRemoveTagWithoutTagsearch(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['tag' => 'abc'];
+
+        $result = $this->controller->removeTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/'], $result->getHeader('location'));
+    }
+
+    public function testRemoveTagWithoutReferer(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $tags = ['tag' => 'abc'];
+
+        $result = $this->controller->removeTag($request, $response, $tags);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+
+    public function testRemoveTagWithoutTag(): void
+    {
+        $this->container->environment = ['HTTP_REFERER' => 'http://shaarli/controller/?searchtag=abc'];
+
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->removeTag($request, $response, []);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/controller/?searchtag=abc'], $result->getHeader('location'));
+    }
+
+    public function testRemoveTagWithoutTagWithoutReferer(): void
+    {
+        $request = $this->createMock(Request::class);
+        $response = new Response();
+
+        $result = $this->controller->removeTag($request, $response, []);
+
+        static::assertInstanceOf(Response::class, $result);
+        static::assertSame(302, $result->getStatusCode());
+        static::assertSame(['/subfolder/'], $result->getHeader('location'));
+    }
+}