80 files changed, 978 insertions, 472 deletions

diff --git a/tests/ApplicationUtilsTest.php b/tests/ApplicationUtilsTest.php
index ff4c9e17..82f8804d 100644
--- a/tests/ApplicationUtilsTest.php
+++ b/tests/ApplicationUtilsTest.php
@@ -1,33 +1,14 @@
 <?php
-use Shaarli\Config\ConfigManager;
-
-/**
- * ApplicationUtils' tests
- */
+namespace Shaarli;
 
-require_once 'application/ApplicationUtils.php';
-
-/**
- * Fake ApplicationUtils class to avoid HTTP requests
- */
-class FakeApplicationUtils extends ApplicationUtils
-{
-    public static $VERSION_CODE = '';
-
-    /**
-     * Toggle HTTP requests, allow overriding the version code
-     */
-    public static function getVersion($url, $timeout=0)
-    {
-        return self::$VERSION_CODE;
-    }
-}
+use Shaarli\Config\ConfigManager;
 
+require_once 'tests/utils/FakeApplicationUtils.php';
 
 /**
  * Unitary tests for Shaarli utilities
  */
-class ApplicationUtilsTest extends PHPUnit_Framework_TestCase
+class ApplicationUtilsTest extends \PHPUnit\Framework\TestCase
 {
     protected static $testUpdateFile = 'sandbox/update.txt';
     protected static $testVersion = '0.5.0';
@@ -67,7 +48,7 @@ class ApplicationUtilsTest extends PHPUnit_Framework_TestCase
             '0.5.4',
             ApplicationUtils::getVersion(
                 'https://raw.githubusercontent.com/shaarli/Shaarli/'
-               .'v0.5.4/shaarli_version.php',
+                .'v0.5.4/shaarli_version.php',
                 $testTimeout
             )
         );
@@ -75,7 +56,7 @@ class ApplicationUtilsTest extends PHPUnit_Framework_TestCase
             self::$versionPattern,
             ApplicationUtils::getVersion(
                 'https://raw.githubusercontent.com/shaarli/Shaarli/'
-               .'latest/shaarli_version.php',
+                .'latest/shaarli_version.php',
                 $testTimeout
             )
         );
diff --git a/tests/FileUtilsTest.php b/tests/FileUtilsTest.php
index d764e495..57719175 100644
--- a/tests/FileUtilsTest.php
+++ b/tests/FileUtilsTest.php
@@ -1,13 +1,15 @@
 <?php
 
-require_once 'application/FileUtils.php';
+namespace Shaarli;
+
+use Exception;
 
 /**
  * Class FileUtilsTest
  *
  * Test file utility class.
  */
-class FileUtilsTest extends PHPUnit_Framework_TestCase
+class FileUtilsTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string Test file path.
@@ -48,7 +50,7 @@ class FileUtilsTest extends PHPUnit_Framework_TestCase
     /**
      * File not writable: raise an exception.
      *
-     * @expectedException IOException
+     * @expectedException Shaarli\Exceptions\IOException
      * @expectedExceptionMessage Error accessing "sandbox/flat.db"
      */
     public function testWriteWithoutPermission()
@@ -61,7 +63,7 @@ class FileUtilsTest extends PHPUnit_Framework_TestCase
     /**
      * Folder non existent: raise an exception.
      *
-     * @expectedException IOException
+     * @expectedException Shaarli\Exceptions\IOException
      * @expectedExceptionMessage Error accessing "nopefolder"
      */
     public function testWriteFolderDoesNotExist()
@@ -72,7 +74,7 @@ class FileUtilsTest extends PHPUnit_Framework_TestCase
     /**
      * Folder non writable: raise an exception.
      *
-     * @expectedException IOException
+     * @expectedException Shaarli\Exceptions\IOException
      * @expectedExceptionMessage Error accessing "sandbox"
      */
     public function testWriteFolderPermission()
diff --git a/tests/HistoryTest.php b/tests/HistoryTest.php
index d3bef5a3..8303e53a 100644
--- a/tests/HistoryTest.php
+++ b/tests/HistoryTest.php
@@ -1,9 +1,11 @@
 <?php
 
-require_once 'application/History.php';
+namespace Shaarli;
 
+use DateTime;
+use Exception;
 
-class HistoryTest extends PHPUnit_Framework_TestCase
+class HistoryTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string History file path
diff --git a/tests/LanguagesTest.php b/tests/LanguagesTest.php
index 4951e09a..de83f291 100644
--- a/tests/LanguagesTest.php
+++ b/tests/LanguagesTest.php
@@ -7,7 +7,7 @@ use Shaarli\Config\ConfigManager;
 /**
  * Class LanguagesTest.
  */
-class LanguagesTest extends \PHPUnit_Framework_TestCase
+class LanguagesTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string Config file path (without extension).
diff --git a/tests/PluginManagerTest.php b/tests/PluginManagerTest.php
index 01de959c..71761ac1 100644
--- a/tests/PluginManagerTest.php
+++ b/tests/PluginManagerTest.php
@@ -1,16 +1,12 @@
 <?php
-use Shaarli\Config\ConfigManager;
+namespace Shaarli\Plugin;
 
-/**
- * Plugin Manager tests
- */
-
-require_once 'application/PluginManager.php';
+use Shaarli\Config\ConfigManager;
 
 /**
  * Unit tests for Plugins
  */
-class PluginManagerTest extends PHPUnit_Framework_TestCase
+class PluginManagerTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Path to tests plugin.
diff --git a/tests/RouterTest.php b/tests/RouterTest.php
index 544bcf9c..0cd49bb8 100644
--- a/tests/RouterTest.php
+++ b/tests/RouterTest.php
@@ -1,15 +1,10 @@
 <?php
-
-/**
- * Router tests
- */
-
-require_once 'application/Router.php';
+namespace Shaarli;
 
 /**
  * Unit tests for Router
  */
-class RouterTest extends PHPUnit_Framework_TestCase
+class RouterTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Test findPage: login page output.
@@ -218,7 +213,6 @@ class RouterTest extends PHPUnit_Framework_TestCase
             Router::$PAGE_CHANGEPASSWORD,
             Router::findPage('do=changepasswd&stuff', array(), true)
         );
-
     }
 
     /**
diff --git a/tests/ThumbnailerTest.php b/tests/ThumbnailerTest.php
new file mode 100644
index 00000000..c01849f7
--- /dev/null
+++ b/tests/ThumbnailerTest.php
@@ -0,0 +1,116 @@
+<?php
+
+namespace Shaarli;
+
+use PHPUnit\Framework\TestCase;
+use Shaarli\Config\ConfigManager;
+use WebThumbnailer\Application\ConfigManager as WTConfigManager;
+
+/**
+ * Class ThumbnailerTest
+ *
+ * We only make 1 thumb test because:
+ *
+ *   1. the thumbnailer library is itself tested
+ *   2. we don't want to make too many external requests during the tests
+ */
+class ThumbnailerTest extends TestCase
+{
+    const WIDTH = 190;
+
+    const HEIGHT = 210;
+
+    /**
+     * @var Thumbnailer;
+     */
+    protected $thumbnailer;
+
+    /**
+     * @var ConfigManager
+     */
+    protected $conf;
+
+    public function setUp()
+    {
+        $this->conf = new ConfigManager('tests/utils/config/configJson');
+        $this->conf->set('thumbnails.mode', Thumbnailer::MODE_ALL);
+        $this->conf->set('thumbnails.width', self::WIDTH);
+        $this->conf->set('thumbnails.height', self::HEIGHT);
+        $this->conf->set('dev.debug', true);
+
+        $this->thumbnailer = new Thumbnailer($this->conf);
+        // cache files in the sandbox
+        WTConfigManager::addFile('tests/utils/config/wt.json');
+    }
+
+    public function tearDown()
+    {
+        $this->rrmdirContent('sandbox/');
+    }
+
+    /**
+     * Test a thumbnail with a custom size in 'all' mode.
+     */
+    public function testThumbnailAllValid()
+    {
+        $thumb = $this->thumbnailer->get('https://github.com/shaarli/Shaarli/');
+        $this->assertNotFalse($thumb);
+        $image = imagecreatefromstring(file_get_contents($thumb));
+        $this->assertEquals(self::WIDTH, imagesx($image));
+        $this->assertEquals(self::HEIGHT, imagesy($image));
+    }
+
+    /**
+     * Test a thumbnail with a custom size in 'common' mode.
+     */
+    public function testThumbnailCommonValid()
+    {
+        $this->conf->set('thumbnails.mode', Thumbnailer::MODE_COMMON);
+        $thumb = $this->thumbnailer->get('https://imgur.com/jlFgGpe');
+        $this->assertNotFalse($thumb);
+        $image = imagecreatefromstring(file_get_contents($thumb));
+        $this->assertEquals(self::WIDTH, imagesx($image));
+        $this->assertEquals(self::HEIGHT, imagesy($image));
+    }
+
+    /**
+     * Test a thumbnail in 'common' mode which isn't include in common websites.
+     */
+    public function testThumbnailCommonInvalid()
+    {
+        $this->conf->set('thumbnails.mode', Thumbnailer::MODE_COMMON);
+        $thumb = $this->thumbnailer->get('https://github.com/shaarli/Shaarli/');
+        $this->assertFalse($thumb);
+    }
+
+    /**
+     * Test a thumbnail that can't be retrieved.
+     */
+    public function testThumbnailNotValid()
+    {
+        $oldlog = ini_get('error_log');
+        ini_set('error_log', '/dev/null');
+
+        $thumbnailer = new Thumbnailer(new ConfigManager());
+        $thumb = $thumbnailer->get('nope');
+        $this->assertFalse($thumb);
+
+        ini_set('error_log', $oldlog);
+    }
+
+    protected function rrmdirContent($dir)
+    {
+        if (is_dir($dir)) {
+            $objects = scandir($dir);
+            foreach ($objects as $object) {
+                if ($object != "." && $object != "..") {
+                    if (is_dir($dir."/".$object)) {
+                        $this->rrmdirContent($dir."/".$object);
+                    } else {
+                        unlink($dir."/".$object);
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/tests/TimeZoneTest.php b/tests/TimeZoneTest.php
index 127fdc19..02bf060f 100644
--- a/tests/TimeZoneTest.php
+++ b/tests/TimeZoneTest.php
@@ -8,7 +8,7 @@ require_once 'application/TimeZone.php';
 /**
  * Unitary tests for timezone utilities
  */
-class TimeZoneTest extends PHPUnit_Framework_TestCase
+class TimeZoneTest extends PHPUnit\Framework\TestCase
 {
     /**
      * @var array of timezones
diff --git a/tests/UtilsTest.php b/tests/UtilsTest.php
index 6cd37a7a..8225d95a 100644
--- a/tests/UtilsTest.php
+++ b/tests/UtilsTest.php
@@ -10,7 +10,7 @@ require_once 'application/Languages.php';
 /**
  * Unitary tests for Shaarli utilities
  */
-class UtilsTest extends PHPUnit_Framework_TestCase
+class UtilsTest extends PHPUnit\Framework\TestCase
 {
     // Log file
     protected static $testLogFile = 'tests.log';
@@ -187,7 +187,8 @@ class UtilsTest extends PHPUnit_Framework_TestCase
     /**
      * Test generate location with valid data.
      */
-    public function testGenerateLocation() {
+    public function testGenerateLocation()
+    {
         $ref = 'http://localhost/?test';
         $this->assertEquals($ref, generateLocation($ref, 'localhost'));
         $ref = 'http://localhost:8080/?test';
@@ -199,7 +200,8 @@ class UtilsTest extends PHPUnit_Framework_TestCase
     /**
      * Test generate location - anti loop.
      */
-    public function testGenerateLocationLoop() {
+    public function testGenerateLocationLoop()
+    {
         $ref = 'http://localhost/?test';
         $this->assertEquals('?', generateLocation($ref, 'localhost', array('test')));
     }
@@ -207,7 +209,8 @@ class UtilsTest extends PHPUnit_Framework_TestCase
     /**
      * Test generate location - from other domain.
      */
-    public function testGenerateLocationOut() {
+    public function testGenerateLocationOut()
+    {
         $ref = 'http://somewebsite.com/?test';
         $this->assertEquals('?', generateLocation($ref, 'localhost'));
     }
diff --git a/tests/api/ApiMiddlewareTest.php b/tests/api/ApiMiddlewareTest.php
index 23a56b1c..0b9b03f2 100644
--- a/tests/api/ApiMiddlewareTest.php
+++ b/tests/api/ApiMiddlewareTest.php
@@ -2,7 +2,6 @@
 namespace Shaarli\Api;
 
 use Shaarli\Config\ConfigManager;
-
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -18,7 +17,7 @@ use Slim\Http\Response;
  *
  * @package Api
  */
-class ApiMiddlewareTest extends \PHPUnit_Framework_TestCase
+class ApiMiddlewareTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
diff --git a/tests/api/ApiUtilsTest.php b/tests/api/ApiUtilsTest.php
index 62baf4c5..ea0ae500 100644
--- a/tests/api/ApiUtilsTest.php
+++ b/tests/api/ApiUtilsTest.php
@@ -2,13 +2,12 @@
 
 namespace Shaarli\Api;
 
-use Shaarli\Base64Url;
-
+use Shaarli\Http\Base64Url;
 
 /**
  * Class ApiUtilsTest
  */
-class ApiUtilsTest extends \PHPUnit_Framework_TestCase
+class ApiUtilsTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Force the timezone for ISO datetimes.
@@ -34,7 +33,7 @@ class ApiUtilsTest extends \PHPUnit_Framework_TestCase
         $payload = Base64Url::encode('{
             "iat": '. time() .'
         }');
-        $signature = Base64Url::encode(hash_hmac('sha512', $header .'.'. $payload , $secret, true));
+        $signature = Base64Url::encode(hash_hmac('sha512', $header .'.'. $payload, $secret, true));
         return $header .'.'. $payload .'.'. $signature;
     }
 
diff --git a/tests/api/controllers/history/HistoryTest.php b/tests/api/controllers/history/HistoryTest.php
index 61046d97..e287f239 100644
--- a/tests/api/controllers/history/HistoryTest.php
+++ b/tests/api/controllers/history/HistoryTest.php
@@ -1,10 +1,9 @@
 <?php
 
-
 namespace Shaarli\Api\Controllers;
 
-
 use Shaarli\Config\ConfigManager;
+use Shaarli\History;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -12,7 +11,7 @@ use Slim\Http\Response;
 
 require_once 'tests/utils/ReferenceHistory.php';
 
-class HistoryTest extends \PHPUnit_Framework_TestCase
+class HistoryTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -35,7 +34,7 @@ class HistoryTest extends \PHPUnit_Framework_TestCase
     protected $container;
 
     /**
-     * @var History controller instance.
+     * @var HistoryController controller instance.
      */
     protected $controller;
 
@@ -50,9 +49,9 @@ class HistoryTest extends \PHPUnit_Framework_TestCase
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
         $this->container['db'] = true;
-        $this->container['history'] = new \History(self::$testHistory);
+        $this->container['history'] = new History(self::$testHistory);
 
-        $this->controller = new History($this->container);
+        $this->controller = new HistoryController($this->container);
     }
 
     /**
@@ -79,35 +78,35 @@ class HistoryTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals($this->refHistory->count(), count($data));
 
-        $this->assertEquals(\History::DELETED, $data[0]['event']);
+        $this->assertEquals(History::DELETED, $data[0]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170303_121216')->format(\DateTime::ATOM),
             $data[0]['datetime']
         );
         $this->assertEquals(124, $data[0]['id']);
 
-        $this->assertEquals(\History::SETTINGS, $data[1]['event']);
+        $this->assertEquals(History::SETTINGS, $data[1]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170302_121215')->format(\DateTime::ATOM),
             $data[1]['datetime']
         );
         $this->assertNull($data[1]['id']);
 
-        $this->assertEquals(\History::UPDATED, $data[2]['event']);
+        $this->assertEquals(History::UPDATED, $data[2]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170301_121214')->format(\DateTime::ATOM),
             $data[2]['datetime']
         );
         $this->assertEquals(123, $data[2]['id']);
 
-        $this->assertEquals(\History::CREATED, $data[3]['event']);
+        $this->assertEquals(History::CREATED, $data[3]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170201_121214')->format(\DateTime::ATOM),
             $data[3]['datetime']
         );
         $this->assertEquals(124, $data[3]['id']);
 
-        $this->assertEquals(\History::CREATED, $data[4]['event']);
+        $this->assertEquals(History::CREATED, $data[4]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170101_121212')->format(\DateTime::ATOM),
             $data[4]['datetime']
@@ -132,7 +131,7 @@ class HistoryTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals(1, count($data));
 
-        $this->assertEquals(\History::DELETED, $data[0]['event']);
+        $this->assertEquals(History::DELETED, $data[0]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170303_121216')->format(\DateTime::ATOM),
             $data[0]['datetime']
@@ -157,7 +156,7 @@ class HistoryTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals(1, count($data));
 
-        $this->assertEquals(\History::CREATED, $data[0]['event']);
+        $this->assertEquals(History::CREATED, $data[0]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170101_121212')->format(\DateTime::ATOM),
             $data[0]['datetime']
@@ -182,7 +181,7 @@ class HistoryTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals(1, count($data));
 
-        $this->assertEquals(\History::DELETED, $data[0]['event']);
+        $this->assertEquals(History::DELETED, $data[0]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170303_121216')->format(\DateTime::ATOM),
             $data[0]['datetime']
@@ -207,7 +206,7 @@ class HistoryTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals(1, count($data));
 
-        $this->assertEquals(\History::SETTINGS, $data[0]['event']);
+        $this->assertEquals(History::SETTINGS, $data[0]['event']);
         $this->assertEquals(
             \DateTime::createFromFormat('Ymd_His', '20170302_121215')->format(\DateTime::ATOM),
             $data[0]['datetime']
diff --git a/tests/api/controllers/info/InfoTest.php b/tests/api/controllers/info/InfoTest.php
index f7e63bfa..e70d371b 100644
--- a/tests/api/controllers/info/InfoTest.php
+++ b/tests/api/controllers/info/InfoTest.php
@@ -2,7 +2,6 @@
 namespace Shaarli\Api\Controllers;
 
 use Shaarli\Config\ConfigManager;
-
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -10,12 +9,12 @@ use Slim\Http\Response;
 
 /**
  * Class InfoTest
- * 
+ *
  * Test REST API controller Info.
- * 
+ *
  * @package Api\Controllers
  */
-class InfoTest extends \PHPUnit_Framework_TestCase
+class InfoTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -53,7 +52,7 @@ class InfoTest extends \PHPUnit_Framework_TestCase
 
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
-        $this->container['db'] = new \LinkDB(self::$testDatastore, true, false);
+        $this->container['db'] = new \Shaarli\Bookmark\LinkDB(self::$testDatastore, true, false);
         $this->container['history'] = null;
 
         $this->controller = new Info($this->container);
diff --git a/tests/api/controllers/links/DeleteLinkTest.php b/tests/api/controllers/links/DeleteLinkTest.php
index 7d797137..90193e28 100644
--- a/tests/api/controllers/links/DeleteLinkTest.php
+++ b/tests/api/controllers/links/DeleteLinkTest.php
@@ -3,13 +3,15 @@
 
 namespace Shaarli\Api\Controllers;
 
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigManager;
+use Shaarli\History;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
 use Slim\Http\Response;
 
-class DeleteLinkTest extends \PHPUnit_Framework_TestCase
+class DeleteLinkTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -32,12 +34,12 @@ class DeleteLinkTest extends \PHPUnit_Framework_TestCase
     protected $refDB = null;
 
     /**
-     * @var \LinkDB instance.
+     * @var LinkDB instance.
      */
     protected $linkDB;
 
     /**
-     * @var \History instance.
+     * @var HistoryController instance.
      */
     protected $history;
 
@@ -59,10 +61,10 @@ class DeleteLinkTest extends \PHPUnit_Framework_TestCase
         $this->conf = new ConfigManager('tests/utils/config/configJson');
         $this->refDB = new \ReferenceLinkDB();
         $this->refDB->write(self::$testDatastore);
-        $this->linkDB = new \LinkDB(self::$testDatastore, true, false);
+        $this->linkDB = new LinkDB(self::$testDatastore, true, false);
         $refHistory = new \ReferenceHistory();
         $refHistory->write(self::$testHistory);
-        $this->history = new \History(self::$testHistory);
+        $this->history = new History(self::$testHistory);
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
         $this->container['db'] = $this->linkDB;
@@ -96,11 +98,11 @@ class DeleteLinkTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(204, $response->getStatusCode());
         $this->assertEmpty((string) $response->getBody());
 
-        $this->linkDB = new \LinkDB(self::$testDatastore, true, false);
+        $this->linkDB = new LinkDB(self::$testDatastore, true, false);
         $this->assertFalse(isset($this->linkDB[$id]));
 
         $historyEntry = $this->history->getHistory()[0];
-        $this->assertEquals(\History::DELETED, $historyEntry['event']);
+        $this->assertEquals(History::DELETED, $historyEntry['event']);
         $this->assertTrue(
             (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
         );
@@ -110,7 +112,7 @@ class DeleteLinkTest extends \PHPUnit_Framework_TestCase
     /**
      * Test DELETE link endpoint: reach not existing ID.
      *
-     * @expectedException Shaarli\Api\Exceptions\ApiLinkNotFoundException
+     * @expectedException \Shaarli\Api\Exceptions\ApiLinkNotFoundException
      */
     public function testDeleteLink404()
     {
diff --git a/tests/api/controllers/links/GetLinkIdTest.php b/tests/api/controllers/links/GetLinkIdTest.php
index 57528d5a..cb9b7f6a 100644
--- a/tests/api/controllers/links/GetLinkIdTest.php
+++ b/tests/api/controllers/links/GetLinkIdTest.php
@@ -3,7 +3,6 @@
 namespace Shaarli\Api\Controllers;
 
 use Shaarli\Config\ConfigManager;
-
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -18,7 +17,7 @@ use Slim\Http\Response;
  *
  * @package Shaarli\Api\Controllers
  */
-class GetLinkIdTest extends \PHPUnit_Framework_TestCase
+class GetLinkIdTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -61,7 +60,7 @@ class GetLinkIdTest extends \PHPUnit_Framework_TestCase
 
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
-        $this->container['db'] = new \LinkDB(self::$testDatastore, true, false);
+        $this->container['db'] = new \Shaarli\Bookmark\LinkDB(self::$testDatastore, true, false);
         $this->container['history'] = null;
 
         $this->controller = new Links($this->container);
@@ -108,7 +107,7 @@ class GetLinkIdTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('sTuff', $data['tags'][0]);
         $this->assertEquals(false, $data['private']);
         $this->assertEquals(
-            \DateTime::createFromFormat(\LinkDB::LINK_DATE_FORMAT, '20150310_114651')->format(\DateTime::ATOM),
+            \DateTime::createFromFormat(\Shaarli\Bookmark\LinkDB::LINK_DATE_FORMAT, '20150310_114651')->format(\DateTime::ATOM),
             $data['created']
         );
         $this->assertEmpty($data['updated']);
diff --git a/tests/api/controllers/links/GetLinksTest.php b/tests/api/controllers/links/GetLinksTest.php
index d22ed3bf..711a3152 100644
--- a/tests/api/controllers/links/GetLinksTest.php
+++ b/tests/api/controllers/links/GetLinksTest.php
@@ -1,8 +1,8 @@
 <?php
 namespace Shaarli\Api\Controllers;
 
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigManager;
-
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -17,7 +17,7 @@ use Slim\Http\Response;
  *
  * @package Shaarli\Api\Controllers
  */
-class GetLinksTest extends \PHPUnit_Framework_TestCase
+class GetLinksTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -60,7 +60,7 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
 
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
-        $this->container['db'] = new \LinkDB(self::$testDatastore, true, false);
+        $this->container['db'] = new LinkDB(self::$testDatastore, true, false);
         $this->container['history'] = null;
 
         $this->controller = new Links($this->container);
@@ -95,7 +95,7 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals($this->refDB->countLinks(), count($data));
 
         // Check order
-        $order = [41, 8, 6, 7, 0, 1, 9, 4, 42];
+        $order = [10, 11, 41, 8, 6, 7, 0, 1, 9, 4, 42];
         $cpt = 0;
         foreach ($data as $link) {
             $this->assertEquals(self::NB_FIELDS_LINK, count($link));
@@ -103,7 +103,7 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
         }
 
         // Check first element fields
-        $first = $data[0];
+        $first = $data[2];
         $this->assertEquals('http://domain.tld/?WDWyig', $first['url']);
         $this->assertEquals('WDWyig', $first['shorturl']);
         $this->assertEquals('Link title: @website', $first['title']);
@@ -114,18 +114,18 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('sTuff', $first['tags'][0]);
         $this->assertEquals(false, $first['private']);
         $this->assertEquals(
-            \DateTime::createFromFormat(\LinkDB::LINK_DATE_FORMAT, '20150310_114651')->format(\DateTime::ATOM),
+            \DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651')->format(\DateTime::ATOM),
             $first['created']
         );
         $this->assertEmpty($first['updated']);
 
         // Multi tags
-        $link = $data[1];
+        $link = $data[3];
         $this->assertEquals(7, count($link['tags']));
 
         // Update date
         $this->assertEquals(
-            \DateTime::createFromFormat(\LinkDB::LINK_DATE_FORMAT, '20160803_093033')->format(\DateTime::ATOM),
+            \DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160803_093033')->format(\DateTime::ATOM),
             $link['updated']
         );
     }
@@ -138,7 +138,7 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
     {
         $env = Environment::mock([
             'REQUEST_METHOD' => 'GET',
-            'QUERY_STRING' => 'offset=1&limit=1'
+            'QUERY_STRING' => 'offset=3&limit=1'
         ]);
         $request = Request::createFromEnvironment($env);
         $response = $this->controller->getLinks($request, new Response());
@@ -164,7 +164,7 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
         $data = json_decode((string) $response->getBody(), true);
         $this->assertEquals($this->refDB->countLinks(), count($data));
         // Check order
-        $order = [41, 8, 6, 7, 0, 1, 9, 4, 42];
+        $order = [10, 11, 41, 8, 6, 7, 0, 1, 9, 4, 42];
         $cpt = 0;
         foreach ($data as $link) {
             $this->assertEquals(self::NB_FIELDS_LINK, count($link));
@@ -205,7 +205,8 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(200, $response->getStatusCode());
         $data = json_decode((string)$response->getBody(), true);
         $this->assertEquals($this->refDB->countLinks(), count($data));
-        $this->assertEquals(41, $data[0]['id']);
+        $this->assertEquals(10, $data[0]['id']);
+        $this->assertEquals(41, $data[2]['id']);
         $this->assertEquals(self::NB_FIELDS_LINK, count($data[0]));
     }
 
@@ -243,7 +244,8 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(200, $response->getStatusCode());
         $data = json_decode((string)$response->getBody(), true);
         $this->assertEquals($this->refDB->countPublicLinks(), count($data));
-        $this->assertEquals(41, $data[0]['id']);
+        $this->assertEquals(10, $data[0]['id']);
+        $this->assertEquals(41, $data[2]['id']);
         $this->assertEquals(self::NB_FIELDS_LINK, count($data[0]));
     }
 
@@ -413,8 +415,9 @@ class GetLinksTest extends \PHPUnit_Framework_TestCase
         $response = $this->controller->getLinks($request, new Response());
         $this->assertEquals(200, $response->getStatusCode());
         $data = json_decode((string) $response->getBody(), true);
-        $this->assertEquals(9, count($data));
-        $this->assertEquals(41, $data[0]['id']);
+        $this->assertEquals(\ReferenceLinkDB::$NB_LINKS_TOTAL, count($data));
+        $this->assertEquals(10, $data[0]['id']);
+        $this->assertEquals(41, $data[2]['id']);
 
         // wildcard: optional ('*' does not need to expand)
         $env = Environment::mock([
diff --git a/tests/api/controllers/links/PostLinkTest.php b/tests/api/controllers/links/PostLinkTest.php
index 100a9170..d683a984 100644
--- a/tests/api/controllers/links/PostLinkTest.php
+++ b/tests/api/controllers/links/PostLinkTest.php
@@ -2,9 +2,9 @@
 
 namespace Shaarli\Api\Controllers;
 
-
 use PHPUnit\Framework\TestCase;
 use Shaarli\Config\ConfigManager;
+use Shaarli\History;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -41,7 +41,7 @@ class PostLinkTest extends TestCase
     protected $refDB = null;
 
     /**
-     * @var \History instance.
+     * @var HistoryController instance.
      */
     protected $history;
 
@@ -71,12 +71,12 @@ class PostLinkTest extends TestCase
 
         $refHistory = new \ReferenceHistory();
         $refHistory->write(self::$testHistory);
-        $this->history = new \History(self::$testHistory);
+        $this->history = new History(self::$testHistory);
 
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
-        $this->container['db'] = new \LinkDB(self::$testDatastore, true, false);
-        $this->container['history'] = new \History(self::$testHistory);
+        $this->container['db'] = new \Shaarli\Bookmark\LinkDB(self::$testDatastore, true, false);
+        $this->container['history'] = new History(self::$testHistory);
 
         $this->controller = new Links($this->container);
 
@@ -122,17 +122,19 @@ class PostLinkTest extends TestCase
         $data = json_decode((string) $response->getBody(), true);
         $this->assertEquals(self::NB_FIELDS_LINK, count($data));
         $this->assertEquals(43, $data['id']);
-        $this->assertRegExp('/[\w-_]{6}/', $data['shorturl']);
+        $this->assertRegExp('/[\w_-]{6}/', $data['shorturl']);
         $this->assertEquals('http://domain.tld/?' . $data['shorturl'], $data['url']);
         $this->assertEquals('?' . $data['shorturl'], $data['title']);
         $this->assertEquals('', $data['description']);
         $this->assertEquals([], $data['tags']);
         $this->assertEquals(false, $data['private']);
-        $this->assertTrue(new \DateTime('5 seconds ago') < \DateTime::createFromFormat(\DateTime::ATOM, $data['created']));
+        $this->assertTrue(
+            new \DateTime('5 seconds ago') < \DateTime::createFromFormat(\DateTime::ATOM, $data['created'])
+        );
         $this->assertEquals('', $data['updated']);
 
         $historyEntry = $this->history->getHistory()[0];
-        $this->assertEquals(\History::CREATED, $historyEntry['event']);
+        $this->assertEquals(History::CREATED, $historyEntry['event']);
         $this->assertTrue(
             (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
         );
@@ -165,13 +167,15 @@ class PostLinkTest extends TestCase
         $data = json_decode((string) $response->getBody(), true);
         $this->assertEquals(self::NB_FIELDS_LINK, count($data));
         $this->assertEquals(43, $data['id']);
-        $this->assertRegExp('/[\w-_]{6}/', $data['shorturl']);
+        $this->assertRegExp('/[\w_-]{6}/', $data['shorturl']);
         $this->assertEquals('http://' . $link['url'], $data['url']);
         $this->assertEquals($link['title'], $data['title']);
         $this->assertEquals($link['description'], $data['description']);
         $this->assertEquals($link['tags'], $data['tags']);
         $this->assertEquals(true, $data['private']);
-        $this->assertTrue(new \DateTime('2 seconds ago') < \DateTime::createFromFormat(\DateTime::ATOM, $data['created']));
+        $this->assertTrue(
+            new \DateTime('2 seconds ago') < \DateTime::createFromFormat(\DateTime::ATOM, $data['created'])
+        );
         $this->assertEquals('', $data['updated']);
     }
 
@@ -207,11 +211,11 @@ class PostLinkTest extends TestCase
         $this->assertEquals(['gnu', 'media', 'web', '.hidden', 'hashtag'], $data['tags']);
         $this->assertEquals(false, $data['private']);
         $this->assertEquals(
-            \DateTime::createFromFormat(\LinkDB::LINK_DATE_FORMAT, '20130614_184135'),
+            \DateTime::createFromFormat(\Shaarli\Bookmark\LinkDB::LINK_DATE_FORMAT, '20130614_184135'),
             \DateTime::createFromFormat(\DateTime::ATOM, $data['created'])
         );
         $this->assertEquals(
-            \DateTime::createFromFormat(\LinkDB::LINK_DATE_FORMAT, '20130615_184230'),
+            \DateTime::createFromFormat(\Shaarli\Bookmark\LinkDB::LINK_DATE_FORMAT, '20130615_184230'),
             \DateTime::createFromFormat(\DateTime::ATOM, $data['updated'])
         );
     }
diff --git a/tests/api/controllers/links/PutLinkTest.php b/tests/api/controllers/links/PutLinkTest.php
index 8a562571..cd815b66 100644
--- a/tests/api/controllers/links/PutLinkTest.php
+++ b/tests/api/controllers/links/PutLinkTest.php
@@ -3,14 +3,14 @@
 
 namespace Shaarli\Api\Controllers;
 
-
 use Shaarli\Config\ConfigManager;
+use Shaarli\History;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
 use Slim\Http\Response;
 
-class PutLinkTest extends \PHPUnit_Framework_TestCase
+class PutLinkTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -33,7 +33,7 @@ class PutLinkTest extends \PHPUnit_Framework_TestCase
     protected $refDB = null;
 
     /**
-     * @var \History instance.
+     * @var HistoryController instance.
      */
     protected $history;
 
@@ -63,12 +63,12 @@ class PutLinkTest extends \PHPUnit_Framework_TestCase
 
         $refHistory = new \ReferenceHistory();
         $refHistory->write(self::$testHistory);
-        $this->history = new \History(self::$testHistory);
+        $this->history = new History(self::$testHistory);
 
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
-        $this->container['db'] = new \LinkDB(self::$testDatastore, true, false);
-        $this->container['history'] = new \History(self::$testHistory);
+        $this->container['db'] = new \Shaarli\Bookmark\LinkDB(self::$testDatastore, true, false);
+        $this->container['history'] = new History(self::$testHistory);
 
         $this->controller = new Links($this->container);
 
@@ -115,10 +115,12 @@ class PutLinkTest extends \PHPUnit_Framework_TestCase
             \DateTime::createFromFormat('Ymd_His', '20150310_114651'),
             \DateTime::createFromFormat(\DateTime::ATOM, $data['created'])
         );
-        $this->assertTrue(new \DateTime('5 seconds ago') < \DateTime::createFromFormat(\DateTime::ATOM, $data['updated']));
+        $this->assertTrue(
+            new \DateTime('5 seconds ago') < \DateTime::createFromFormat(\DateTime::ATOM, $data['updated'])
+        );
 
         $historyEntry = $this->history->getHistory()[0];
-        $this->assertEquals(\History::UPDATED, $historyEntry['event']);
+        $this->assertEquals(History::UPDATED, $historyEntry['event']);
         $this->assertTrue(
             (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
         );
@@ -160,7 +162,9 @@ class PutLinkTest extends \PHPUnit_Framework_TestCase
             \DateTime::createFromFormat('Ymd_His', '20150310_114651'),
             \DateTime::createFromFormat(\DateTime::ATOM, $data['created'])
         );
-        $this->assertTrue(new \DateTime('5 seconds ago') < \DateTime::createFromFormat(\DateTime::ATOM, $data['updated']));
+        $this->assertTrue(
+            new \DateTime('5 seconds ago') < \DateTime::createFromFormat(\DateTime::ATOM, $data['updated'])
+        );
     }
 
     /**
@@ -195,11 +199,11 @@ class PutLinkTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(['gnu', 'media', 'web', '.hidden', 'hashtag'], $data['tags']);
         $this->assertEquals(false, $data['private']);
         $this->assertEquals(
-            \DateTime::createFromFormat(\LinkDB::LINK_DATE_FORMAT, '20130614_184135'),
+            \DateTime::createFromFormat(\Shaarli\Bookmark\LinkDB::LINK_DATE_FORMAT, '20130614_184135'),
             \DateTime::createFromFormat(\DateTime::ATOM, $data['created'])
         );
         $this->assertEquals(
-            \DateTime::createFromFormat(\LinkDB::LINK_DATE_FORMAT, '20130615_184230'),
+            \DateTime::createFromFormat(\Shaarli\Bookmark\LinkDB::LINK_DATE_FORMAT, '20130615_184230'),
             \DateTime::createFromFormat(\DateTime::ATOM, $data['updated'])
         );
     }
diff --git a/tests/api/controllers/tags/DeleteTagTest.php b/tests/api/controllers/tags/DeleteTagTest.php
index e0787ce2..84e1d56e 100644
--- a/tests/api/controllers/tags/DeleteTagTest.php
+++ b/tests/api/controllers/tags/DeleteTagTest.php
@@ -3,13 +3,15 @@
 
 namespace Shaarli\Api\Controllers;
 
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigManager;
+use Shaarli\History;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
 use Slim\Http\Response;
 
-class DeleteTagTest extends \PHPUnit_Framework_TestCase
+class DeleteTagTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -32,12 +34,12 @@ class DeleteTagTest extends \PHPUnit_Framework_TestCase
     protected $refDB = null;
 
     /**
-     * @var \LinkDB instance.
+     * @var LinkDB instance.
      */
     protected $linkDB;
 
     /**
-     * @var \History instance.
+     * @var HistoryController instance.
      */
     protected $history;
 
@@ -59,10 +61,10 @@ class DeleteTagTest extends \PHPUnit_Framework_TestCase
         $this->conf = new ConfigManager('tests/utils/config/configJson');
         $this->refDB = new \ReferenceLinkDB();
         $this->refDB->write(self::$testDatastore);
-        $this->linkDB = new \LinkDB(self::$testDatastore, true, false);
+        $this->linkDB = new LinkDB(self::$testDatastore, true, false);
         $refHistory = new \ReferenceHistory();
         $refHistory->write(self::$testHistory);
-        $this->history = new \History(self::$testHistory);
+        $this->history = new History(self::$testHistory);
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
         $this->container['db'] = $this->linkDB;
@@ -97,18 +99,18 @@ class DeleteTagTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(204, $response->getStatusCode());
         $this->assertEmpty((string) $response->getBody());
 
-        $this->linkDB = new \LinkDB(self::$testDatastore, true, false);
+        $this->linkDB = new LinkDB(self::$testDatastore, true, false);
         $tags = $this->linkDB->linksCountPerTag();
         $this->assertFalse(isset($tags[$tagName]));
 
         // 2 links affected
         $historyEntry = $this->history->getHistory()[0];
-        $this->assertEquals(\History::UPDATED, $historyEntry['event']);
+        $this->assertEquals(History::UPDATED, $historyEntry['event']);
         $this->assertTrue(
             (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
         );
         $historyEntry = $this->history->getHistory()[1];
-        $this->assertEquals(\History::UPDATED, $historyEntry['event']);
+        $this->assertEquals(History::UPDATED, $historyEntry['event']);
         $this->assertTrue(
             (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
         );
@@ -131,13 +133,13 @@ class DeleteTagTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(204, $response->getStatusCode());
         $this->assertEmpty((string) $response->getBody());
 
-        $this->linkDB = new \LinkDB(self::$testDatastore, true, false);
+        $this->linkDB = new LinkDB(self::$testDatastore, true, false);
         $tags = $this->linkDB->linksCountPerTag();
         $this->assertFalse(isset($tags[$tagName]));
         $this->assertTrue($tags[strtolower($tagName)] > 0);
 
         $historyEntry = $this->history->getHistory()[0];
-        $this->assertEquals(\History::UPDATED, $historyEntry['event']);
+        $this->assertEquals(History::UPDATED, $historyEntry['event']);
         $this->assertTrue(
             (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
         );
diff --git a/tests/api/controllers/tags/GetTagNameTest.php b/tests/api/controllers/tags/GetTagNameTest.php
index afac228e..a2525c17 100644
--- a/tests/api/controllers/tags/GetTagNameTest.php
+++ b/tests/api/controllers/tags/GetTagNameTest.php
@@ -2,8 +2,8 @@
 
 namespace Shaarli\Api\Controllers;
 
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigManager;
-
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -16,7 +16,7 @@ use Slim\Http\Response;
  *
  * @package Shaarli\Api\Controllers
  */
-class GetTagNameTest extends \PHPUnit_Framework_TestCase
+class GetTagNameTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -59,7 +59,7 @@ class GetTagNameTest extends \PHPUnit_Framework_TestCase
 
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
-        $this->container['db'] = new \LinkDB(self::$testDatastore, true, false);
+        $this->container['db'] = new LinkDB(self::$testDatastore, true, false);
         $this->container['history'] = null;
 
         $this->controller = new Tags($this->container);
diff --git a/tests/api/controllers/tags/GetTagsTest.php b/tests/api/controllers/tags/GetTagsTest.php
index 3fab31b0..98628c98 100644
--- a/tests/api/controllers/tags/GetTagsTest.php
+++ b/tests/api/controllers/tags/GetTagsTest.php
@@ -1,8 +1,8 @@
 <?php
 namespace Shaarli\Api\Controllers;
 
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigManager;
-
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
@@ -15,7 +15,7 @@ use Slim\Http\Response;
  *
  * @package Shaarli\Api\Controllers
  */
-class GetTagsTest extends \PHPUnit_Framework_TestCase
+class GetTagsTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -38,7 +38,7 @@ class GetTagsTest extends \PHPUnit_Framework_TestCase
     protected $container;
 
     /**
-     * @var \LinkDB instance.
+     * @var LinkDB instance.
      */
     protected $linkDB;
 
@@ -63,7 +63,7 @@ class GetTagsTest extends \PHPUnit_Framework_TestCase
 
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
-        $this->linkDB = new \LinkDB(self::$testDatastore, true, false);
+        $this->linkDB = new LinkDB(self::$testDatastore, true, false);
         $this->container['db'] = $this->linkDB;
         $this->container['history'] = null;
 
diff --git a/tests/api/controllers/tags/PutTagTest.php b/tests/api/controllers/tags/PutTagTest.php
index 6f7dec22..86106fc7 100644
--- a/tests/api/controllers/tags/PutTagTest.php
+++ b/tests/api/controllers/tags/PutTagTest.php
@@ -1,17 +1,17 @@
 <?php
 
-
 namespace Shaarli\Api\Controllers;
 
-
 use Shaarli\Api\Exceptions\ApiBadParametersException;
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigManager;
+use Shaarli\History;
 use Slim\Container;
 use Slim\Http\Environment;
 use Slim\Http\Request;
 use Slim\Http\Response;
 
-class PutTagTest extends \PHPUnit_Framework_TestCase
+class PutTagTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -34,7 +34,7 @@ class PutTagTest extends \PHPUnit_Framework_TestCase
     protected $refDB = null;
 
     /**
-     * @var \History instance.
+     * @var HistoryController instance.
      */
     protected $history;
 
@@ -44,7 +44,7 @@ class PutTagTest extends \PHPUnit_Framework_TestCase
     protected $container;
 
     /**
-     * @var \LinkDB instance.
+     * @var LinkDB instance.
      */
     protected $linkDB;
 
@@ -69,11 +69,11 @@ class PutTagTest extends \PHPUnit_Framework_TestCase
 
         $refHistory = new \ReferenceHistory();
         $refHistory->write(self::$testHistory);
-        $this->history = new \History(self::$testHistory);
+        $this->history = new History(self::$testHistory);
 
         $this->container = new Container();
         $this->container['conf'] = $this->conf;
-        $this->linkDB = new \LinkDB(self::$testDatastore, true, false);
+        $this->linkDB = new LinkDB(self::$testDatastore, true, false);
         $this->container['db'] = $this->linkDB;
         $this->container['history'] = $this->history;
 
@@ -114,12 +114,12 @@ class PutTagTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals(2, $tags[$newName]);
 
         $historyEntry = $this->history->getHistory()[0];
-        $this->assertEquals(\History::UPDATED, $historyEntry['event']);
+        $this->assertEquals(History::UPDATED, $historyEntry['event']);
         $this->assertTrue(
             (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
         );
         $historyEntry = $this->history->getHistory()[1];
-        $this->assertEquals(\History::UPDATED, $historyEntry['event']);
+        $this->assertEquals(History::UPDATED, $historyEntry['event']);
         $this->assertTrue(
             (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
         );
diff --git a/tests/LinkDBTest.php b/tests/bookmark/LinkDBTest.php
index 3b980878..ff5c0b97 100644
--- a/tests/LinkDBTest.php
+++ b/tests/bookmark/LinkDBTest.php
@@ -3,9 +3,14 @@
  * Link datastore tests
  */
 
-require_once 'application/Cache.php';
-require_once 'application/FileUtils.php';
-require_once 'application/LinkDB.php';
+namespace Shaarli\Bookmark;
+
+use DateTime;
+use ReferenceLinkDB;
+use ReflectionClass;
+use Shaarli;
+
+require_once 'application/feed/Cache.php';
 require_once 'application/Utils.php';
 require_once 'tests/utils/ReferenceLinkDB.php';
 
@@ -13,7 +18,7 @@ require_once 'tests/utils/ReferenceLinkDB.php';
 /**
  * Unitary tests for LinkDB
  */
-class LinkDBTest extends PHPUnit_Framework_TestCase
+class LinkDBTest extends \PHPUnit\Framework\TestCase
 {
     // datastore to test write operations
     protected static $testDatastore = 'sandbox/datastore.php';
@@ -73,7 +78,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
      */
     protected static function getMethod($name)
     {
-        $class = new ReflectionClass('LinkDB');
+        $class = new ReflectionClass('Shaarli\Bookmark\LinkDB');
         $method = $class->getMethod($name);
         $method->setAccessible(true);
         return $method;
@@ -100,7 +105,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     /**
      * Attempt to instantiate a LinkDB whereas the datastore is not writable
      *
-     * @expectedException              IOException
+     * @expectedException              Shaarli\Exceptions\IOException
      * @expectedExceptionMessageRegExp /Error accessing "null"/
      */
     public function testConstructDatastoreNotWriteable()
@@ -187,12 +192,12 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
 
         $link = array(
             'id' => 42,
-            'title'=>'an additional link',
-            'url'=>'http://dum.my',
-            'description'=>'One more',
-            'private'=>0,
-            'created'=> DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150518_190000'),
-            'tags'=>'unit test'
+            'title' => 'an additional link',
+            'url' => 'http://dum.my',
+            'description' => 'One more',
+            'private' => 0,
+            'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150518_190000'),
+            'tags' => 'unit test'
         );
         $testDB[$link['id']] = $link;
         $testDB->save('tests');
@@ -239,12 +244,12 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     public function testDays()
     {
         $this->assertEquals(
-            array('20100310', '20121206', '20130614', '20150310'),
+            array('20100309', '20100310', '20121206', '20121207', '20130614', '20150310'),
             self::$publicLinkDB->days()
         );
 
         $this->assertEquals(
-            array('20100310', '20121206', '20130614', '20141125', '20150310'),
+            array('20100309', '20100310', '20121206', '20121207', '20130614', '20141125', '20150310'),
             self::$privateLinkDB->days()
         );
     }
@@ -362,7 +367,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     public function testLinkRealUrlWithoutRedirector()
     {
         $db = new LinkDB(self::$testDatastore, false, false);
-        foreach($db as $link) {
+        foreach ($db as $link) {
             $this->assertEquals($link['url'], $link['real_url']);
         }
     }
@@ -374,13 +379,13 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     {
         $redirector = 'http://redirector.to?';
         $db = new LinkDB(self::$testDatastore, false, false, $redirector);
-        foreach($db as $link) {
+        foreach ($db as $link) {
             $this->assertStringStartsWith($redirector, $link['real_url']);
             $this->assertNotFalse(strpos($link['real_url'], urlencode('://')));
         }
 
         $db = new LinkDB(self::$testDatastore, false, false, $redirector, false);
-        foreach($db as $link) {
+        foreach ($db as $link) {
             $this->assertStringStartsWith($redirector, $link['real_url']);
             $this->assertFalse(strpos($link['real_url'], urlencode('://')));
         }
@@ -451,7 +456,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     /**
      * Test filterHash() with an invalid smallhash.
      *
-     * @expectedException LinkNotFoundException
+     * @expectedException \Shaarli\Bookmark\Exception\LinkNotFoundException
      */
     public function testFilterHashInValid1()
     {
@@ -462,7 +467,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     /**
      * Test filterHash() with an empty smallhash.
      *
-     * @expectedException LinkNotFoundException
+     * @expectedException \Shaarli\Bookmark\Exception\LinkNotFoundException
      */
     public function testFilterHashInValid()
     {
@@ -475,13 +480,15 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     public function testReorderLinksDesc()
     {
         self::$privateLinkDB->reorder('ASC');
-        $linkIds = array(42, 4, 9, 1, 0, 7, 6, 8, 41);
+        $stickyIds = [11, 10];
+        $standardIds = [42, 4, 9, 1, 0, 7, 6, 8, 41];
+        $linkIds = array_merge($stickyIds, $standardIds);
         $cpt = 0;
         foreach (self::$privateLinkDB as $key => $value) {
             $this->assertEquals($linkIds[$cpt++], $key);
         }
         self::$privateLinkDB->reorder('DESC');
-        $linkIds = array_reverse($linkIds);
+        $linkIds = array_merge(array_reverse($stickyIds), array_reverse($standardIds));
         $cpt = 0;
         foreach (self::$privateLinkDB as $key => $value) {
             $this->assertEquals($linkIds[$cpt++], $key);
diff --git a/tests/LinkFilterTest.php b/tests/bookmark/LinkFilterTest.php
index 9cd6dbd4..808f8122 100644
--- a/tests/LinkFilterTest.php
+++ b/tests/bookmark/LinkFilterTest.php
@@ -1,11 +1,14 @@
 <?php
 
-require_once 'application/LinkFilter.php';
+namespace Shaarli\Bookmark;
+
+use Exception;
+use ReferenceLinkDB;
 
 /**
  * Class LinkFilterTest.
  */
-class LinkFilterTest extends PHPUnit_Framework_TestCase
+class LinkFilterTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string Test datastore path.
@@ -27,7 +30,7 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
     protected static $linkDB;
 
     /**
-     * Instanciate linkFilter with ReferenceLinkDB data.
+     * Instantiate linkFilter with ReferenceLinkDB data.
      */
     public static function setUpBeforeClass()
     {
@@ -76,7 +79,19 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
 
         $this->assertEquals(
             self::$refDB->countUntaggedLinks(),
-            count(self::$linkFilter->filter(LinkFilter::$FILTER_TAG, /*$request=*/'', /*$casesensitive=*/false, /*$visibility=*/'all', /*$untaggedonly=*/true))
+            count(
+                self::$linkFilter->filter(
+                    LinkFilter::$FILTER_TAG,
+                    /*$request=*/
+                    '',
+                    /*$casesensitive=*/
+                    false,
+                    /*$visibility=*/
+                    'all',
+                    /*$untaggedonly=*/
+                    true
+                )
+            )
         );
 
         $this->assertEquals(
@@ -219,7 +234,7 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
     /**
      * No link for this hash
      *
-     * @expectedException LinkNotFoundException
+     * @expectedException \Shaarli\Bookmark\Exception\LinkNotFoundException
      */
     public function testFilterUnknownSmallHash()
     {
@@ -246,7 +261,7 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
             2,
             count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, 'ars.userfriendly.org'))
         );
-        
+
         $this->assertEquals(
             2,
             count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, 'ars org'))
@@ -288,16 +303,16 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
             1,
             count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, 'publishing media'))
         );
-        
+
         $this->assertEquals(
             1,
             count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, 'mercurial w3c'))
         );
-        
+
         $this->assertEquals(
             3,
             count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, '"free software"'))
-        );        
+        );
     }
 
     /**
diff --git a/tests/LinkUtilsTest.php b/tests/bookmark/LinkUtilsTest.php
index 7fbd59b0..1b8688e6 100644
--- a/tests/LinkUtilsTest.php
+++ b/tests/bookmark/LinkUtilsTest.php
@@ -1,11 +1,15 @@
 <?php
 
-require_once 'application/LinkUtils.php';
+namespace Shaarli\Bookmark;
+
+use ReferenceLinkDB;
+
+require_once 'tests/utils/CurlUtils.php';
 
 /**
-* Class LinkUtilsTest.
-*/
-class LinkUtilsTest extends PHPUnit_Framework_TestCase
+ * Class LinkUtilsTest.
+ */
+class LinkUtilsTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Test html_extract_title() when the title is found.
@@ -13,9 +17,9 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
     public function testHtmlExtractExistentTitle()
     {
         $title = 'Read me please.';
-        $html = '<html><meta>stuff</meta><title>'. $title .'</title></html>';
+        $html = '<html><meta>stuff</meta><title>' . $title . '</title></html>';
         $this->assertEquals($title, html_extract_title($html));
-        $html = '<html><title>'. $title .'</title>blabla<title>another</title></html>';
+        $html = '<html><title>' . $title . '</title>blabla<title>another</title></html>';
         $this->assertEquals($title, html_extract_title($html));
     }
 
@@ -34,7 +38,7 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
     public function testHeadersExtractExistentCharset()
     {
         $charset = 'x-MacCroatian';
-        $headers = 'text/html; charset='. $charset;
+        $headers = 'text/html; charset=' . $charset;
         $this->assertEquals(strtolower($charset), header_extract_charset($headers));
     }
 
@@ -56,7 +60,7 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
     public function testHtmlExtractExistentCharset()
     {
         $charset = 'x-MacCroatian';
-        $html = '<html><meta>stuff2</meta><meta charset="'. $charset .'"/></html>';
+        $html = '<html><meta>stuff2</meta><meta charset="' . $charset . '"/></html>';
         $this->assertEquals(strtolower($charset), html_extract_charset($html));
     }
 
@@ -83,7 +87,9 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
             'Date: Sat, 28 Oct 2017 12:01:33 GMT',
             'Content-Type: text/html; charset=utf-8',
             'Status: 200 OK',
-            'end' => 'th=device-width"><title>Refactoring · GitHub</title><link rel="search" type="application/opensea',
+            'end' => 'th=device-width">'
+                . '<title>Refactoring · GitHub</title>'
+                . '<link rel="search" type="application/opensea',
             '<title>ignored</title>',
         ];
         foreach ($data as $key => $line) {
@@ -106,7 +112,9 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
         $callback = get_curl_download_callback($charset, $title, 'ut_curl_getinfo_no_charset');
         $data = [
             'HTTP/1.1 200 OK',
-            'end' => 'th=device-width"><title>Refactoring · GitHub</title><link rel="search" type="application/opensea',
+            'end' => 'th=device-width">'
+                . '<title>Refactoring · GitHub</title>'
+                . '<link rel="search" type="application/opensea',
             '<title>ignored</title>',
         ];
         foreach ($data as $key => $line) {
@@ -126,7 +134,9 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
         $data = [
             'HTTP/1.1 200 OK',
             '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />',
-            'end' => 'th=device-width"><title>Refactoring · GitHub</title><link rel="search" type="application/opensea',
+            'end' => 'th=device-width">'
+                . '<title>Refactoring · GitHub</title>'
+                . '<link rel="search" type="application/opensea',
             '<title>ignored</title>',
         ];
         foreach ($data as $key => $line) {
@@ -211,29 +221,32 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
     public function testText2clickableWithoutRedirector()
     {
         $text = 'stuff http://hello.there/is=someone#here otherstuff';
-        $expectedText = 'stuff <a href="http://hello.there/is=someone#here">http://hello.there/is=someone#here</a> otherstuff';
+        $expectedText = 'stuff <a href="http://hello.there/is=someone#here">'
+            . 'http://hello.there/is=someone#here</a> otherstuff';
         $processedText = text2clickable($text, '');
         $this->assertEquals($expectedText, $processedText);
 
         $text = 'stuff http://hello.there/is=someone#here(please) otherstuff';
-        $expectedText = 'stuff <a href="http://hello.there/is=someone#here(please)">http://hello.there/is=someone#here(please)</a> otherstuff';
+        $expectedText = 'stuff <a href="http://hello.there/is=someone#here(please)">'
+            . 'http://hello.there/is=someone#here(please)</a> otherstuff';
         $processedText = text2clickable($text, '');
         $this->assertEquals($expectedText, $processedText);
 
         $text = 'stuff http://hello.there/is=someone#here(please)&no otherstuff';
-        $expectedText = 'stuff <a href="http://hello.there/is=someone#here(please)&no">http://hello.there/is=someone#here(please)&no</a> otherstuff';
+        $expectedText = 'stuff <a href="http://hello.there/is=someone#here(please)&no">'
+            . 'http://hello.there/is=someone#here(please)&no</a> otherstuff';
         $processedText = text2clickable($text, '');
         $this->assertEquals($expectedText, $processedText);
     }
 
     /**
-     * Test text2clickable a redirector set.
+     * Test text2clickable with a redirector set.
      */
     public function testText2clickableWithRedirector()
     {
         $text = 'stuff http://hello.there/is=someone#here otherstuff';
         $redirector = 'http://redirector.to';
-        $expectedText = 'stuff <a href="'.
+        $expectedText = 'stuff <a href="' .
             $redirector .
             urlencode('http://hello.there/is=someone#here') .
             '">http://hello.there/is=someone#here</a> otherstuff';
@@ -248,7 +261,7 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
     {
         $text = 'stuff http://hello.there/?is=someone&or=something#here otherstuff';
         $redirector = 'http://redirector.to';
-        $expectedText = 'stuff <a href="'.
+        $expectedText = 'stuff <a href="' .
             $redirector .
             'http://hello.there/?is=someone&or=something#here' .
             '">http://hello.there/?is=someone&or=something#here</a> otherstuff';
@@ -261,8 +274,8 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
      */
     public function testSpace2nbsp()
     {
-        $text = '  Are you   thrilled  by flags   ?'. PHP_EOL .' Really?';
-        $expectedText = '&nbsp; Are you &nbsp; thrilled &nbsp;by flags &nbsp; ?'. PHP_EOL .'&nbsp;Really?';
+        $text = '  Are you   thrilled  by flags   ?' . PHP_EOL . ' Really?';
+        $expectedText = '&nbsp; Are you &nbsp; thrilled &nbsp;by flags &nbsp; ?' . PHP_EOL . '&nbsp;Really?';
         $processedText = space2nbsp($text);
         $this->assertEquals($expectedText, $processedText);
     }
@@ -308,106 +321,13 @@ class LinkUtilsTest extends PHPUnit_Framework_TestCase
      * Util function to build an hashtag link.
      *
      * @param string $hashtag Hashtag name.
-     * @param string $index   Index URL.
+     * @param string $index Index URL.
      *
      * @return string HTML hashtag link.
      */
     private function getHashtagLink($hashtag, $index = '')
     {
-        $hashtagLink = '<a href="'. $index .'?addtag=$1" title="Hashtag $1">#$1</a>';
+        $hashtagLink = '<a href="' . $index . '?addtag=$1" title="Hashtag $1">#$1</a>';
         return str_replace('$1', $hashtag, $hashtagLink);
     }
 }
-
-// old style mock: PHPUnit doesn't allow function mock
-
-/**
- * Returns code 200 or html content type.
- *
- * @param resource $ch   cURL resource
- * @param int      $type cURL info type
- *
- * @return int|string 200 or 'text/html'
- */
-function ut_curl_getinfo_ok($ch, $type)
-{
-    switch ($type) {
-        case CURLINFO_RESPONSE_CODE:
-            return 200;
-        case CURLINFO_CONTENT_TYPE:
-            return 'text/html; charset=utf-8';
-    }
-}
-
-/**
- * Returns code 200 or html content type without charset.
- *
- * @param resource $ch   cURL resource
- * @param int      $type cURL info type
- *
- * @return int|string 200 or 'text/html'
- */
-function ut_curl_getinfo_no_charset($ch, $type)
-{
-    switch ($type) {
-        case CURLINFO_RESPONSE_CODE:
-            return 200;
-        case CURLINFO_CONTENT_TYPE:
-            return 'text/html';
-    }
-}
-
-/**
- * Invalid response code.
- *
- * @param resource $ch   cURL resource
- * @param int      $type cURL info type
- *
- * @return int|string 404 or 'text/html'
- */
-function ut_curl_getinfo_rc_ko($ch, $type)
-{
-    switch ($type) {
-        case CURLINFO_RESPONSE_CODE:
-            return 404;
-        case CURLINFO_CONTENT_TYPE:
-            return 'text/html; charset=utf-8';
-    }
-}
-
-/**
- * Invalid content type.
- *
- * @param resource $ch   cURL resource
- * @param int      $type cURL info type
- *
- * @return int|string 200 or 'text/plain'
- */
-function ut_curl_getinfo_ct_ko($ch, $type)
-{
-    switch ($type) {
-        case CURLINFO_RESPONSE_CODE:
-            return 200;
-        case CURLINFO_CONTENT_TYPE:
-            return 'text/plain';
-    }
-}
-
-/**
- * Invalid response code and content type.
- *
- * @param resource $ch   cURL resource
- * @param int      $type cURL info type
- *
- * @return int|string 404 or 'text/plain'
- */
-function ut_curl_getinfo_rs_ct_ko($ch, $type)
-{
-    switch ($type) {
-        case CURLINFO_RESPONSE_CODE:
-            return 404;
-        case CURLINFO_CONTENT_TYPE:
-            return 'text/plain';
-    }
-}
-
diff --git a/tests/config/ConfigJsonTest.php b/tests/config/ConfigJsonTest.php
index d237bc80..95ad060b 100644
--- a/tests/config/ConfigJsonTest.php
+++ b/tests/config/ConfigJsonTest.php
@@ -4,7 +4,7 @@ namespace Shaarli\Config;
 /**
  * Class ConfigJsonTest
  */
-class ConfigJsonTest extends \PHPUnit_Framework_TestCase
+class ConfigJsonTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var ConfigJson
@@ -111,7 +111,7 @@ class ConfigJsonTest extends \PHPUnit_Framework_TestCase
     /**
      * Write to invalid path.
      *
-     * @expectedException \IOException
+     * @expectedException \Shaarli\Exceptions\IOException
      */
     public function testWriteInvalidArray()
     {
@@ -122,7 +122,7 @@ class ConfigJsonTest extends \PHPUnit_Framework_TestCase
     /**
      * Write to invalid path.
      *
-     * @expectedException \IOException
+     * @expectedException \Shaarli\Exceptions\IOException
      */
     public function testWriteInvalidBlank()
     {
diff --git a/tests/config/ConfigManagerTest.php b/tests/config/ConfigManagerTest.php
index 1ec447b2..33830bc9 100644
--- a/tests/config/ConfigManagerTest.php
+++ b/tests/config/ConfigManagerTest.php
@@ -7,7 +7,7 @@ namespace Shaarli\Config;
  * Note: it only test the manager with ConfigJson,
  *  ConfigPhp is only a workaround to handle the transition to JSON type.
  */
-class ConfigManagerTest extends \PHPUnit_Framework_TestCase
+class ConfigManagerTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var ConfigManager
@@ -81,6 +81,18 @@ class ConfigManagerTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('testSetWriteGetNested', $this->conf->get('foo.bar.key.stuff'));
     }
 
+    public function testSetDeleteNested()
+    {
+        $this->conf->set('foo.bar.key.stuff', 'testSetDeleteNested');
+        $this->assertTrue($this->conf->exists('foo.bar'));
+        $this->assertTrue($this->conf->exists('foo.bar.key.stuff'));
+        $this->assertEquals('testSetDeleteNested', $this->conf->get('foo.bar.key.stuff'));
+
+        $this->conf->remove('foo.bar');
+        $this->assertFalse($this->conf->exists('foo.bar.key.stuff'));
+        $this->assertFalse($this->conf->exists('foo.bar'));
+    }
+
     /**
      * Set with an empty key.
      *
@@ -104,6 +116,17 @@ class ConfigManagerTest extends \PHPUnit_Framework_TestCase
     }
 
     /**
+     * Remove with an empty key.
+     *
+     * @expectedException \Exception
+     * @expectedExceptionMessageRegExp #^Invalid setting key parameter. String expected, got.*#
+     */
+    public function testRmoveEmptyKey()
+    {
+        $this->conf->remove('');
+    }
+
+    /**
      * Try to write the config without mandatory parameter (e.g. 'login').
      *
      * @expectedException Shaarli\Config\Exception\MissingFieldConfigException
diff --git a/tests/config/ConfigPhpTest.php b/tests/config/ConfigPhpTest.php
index be23eea1..67d878ce 100644
--- a/tests/config/ConfigPhpTest.php
+++ b/tests/config/ConfigPhpTest.php
@@ -4,7 +4,7 @@ namespace Shaarli\Config;
 /**
  * Class ConfigPhpTest
  */
-class ConfigPhpTest extends \PHPUnit_Framework_TestCase
+class ConfigPhpTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var ConfigPhp
diff --git a/tests/config/ConfigPluginTest.php b/tests/config/ConfigPluginTest.php
index deb02c9e..d7a70e68 100644
--- a/tests/config/ConfigPluginTest.php
+++ b/tests/config/ConfigPluginTest.php
@@ -8,7 +8,7 @@ require_once 'application/config/ConfigPlugin.php';
 /**
  * Unitary tests for Shaarli config related functions
  */
-class ConfigPluginTest extends \PHPUnit_Framework_TestCase
+class ConfigPluginTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Test save_plugin_config with valid data.
diff --git a/tests/CacheTest.php b/tests/feed/CacheTest.php
index 992e26a5..c0a9f26f 100644
--- a/tests/CacheTest.php
+++ b/tests/feed/CacheTest.php
@@ -2,16 +2,17 @@
 /**
  * Cache tests
  */
+namespace Shaarli\Feed;
 
 // required to access $_SESSION array
 session_start();
 
-require_once 'application/Cache.php';
+require_once 'application/feed/Cache.php';
 
 /**
  * Unitary tests for cached pages
  */
-class CacheTest extends PHPUnit_Framework_TestCase
+class CacheTest extends \PHPUnit\Framework\TestCase
 {
     // test cache directory
     protected static $testCacheDir = 'sandbox/dummycache';
@@ -25,16 +26,16 @@ class CacheTest extends PHPUnit_Framework_TestCase
      */
     public function setUp()
     {
-        if (! is_dir(self::$testCacheDir)) {
+        if (!is_dir(self::$testCacheDir)) {
             mkdir(self::$testCacheDir);
         } else {
-            array_map('unlink', glob(self::$testCacheDir.'/*'));
+            array_map('unlink', glob(self::$testCacheDir . '/*'));
         }
 
         foreach (self::$pages as $page) {
-            file_put_contents(self::$testCacheDir.'/'.$page.'.cache', $page);
+            file_put_contents(self::$testCacheDir . '/' . $page . '.cache', $page);
         }
-        file_put_contents(self::$testCacheDir.'/intru.der', 'ShouldNotBeThere');
+        file_put_contents(self::$testCacheDir . '/intru.der', 'ShouldNotBeThere');
     }
 
     /**
@@ -42,7 +43,7 @@ class CacheTest extends PHPUnit_Framework_TestCase
      */
     public function tearDown()
     {
-        array_map('unlink', glob(self::$testCacheDir.'/*'));
+        array_map('unlink', glob(self::$testCacheDir . '/*'));
         rmdir(self::$testCacheDir);
     }
 
@@ -53,10 +54,10 @@ class CacheTest extends PHPUnit_Framework_TestCase
     {
         purgeCachedPages(self::$testCacheDir);
         foreach (self::$pages as $page) {
-            $this->assertFileNotExists(self::$testCacheDir.'/'.$page.'.cache');
+            $this->assertFileNotExists(self::$testCacheDir . '/' . $page . '.cache');
         }
 
-        $this->assertFileExists(self::$testCacheDir.'/intru.der');
+        $this->assertFileExists(self::$testCacheDir . '/intru.der');
     }
 
     /**
@@ -68,7 +69,7 @@ class CacheTest extends PHPUnit_Framework_TestCase
         ini_set('error_log', '/dev/null');
         $this->assertEquals(
             'Cannot purge sandbox/dummycache_missing: no directory',
-            purgeCachedPages(self::$testCacheDir.'_missing')
+            purgeCachedPages(self::$testCacheDir . '_missing')
         );
         ini_set('error_log', $oldlog);
     }
@@ -83,8 +84,8 @@ class CacheTest extends PHPUnit_Framework_TestCase
 
         invalidateCaches(self::$testCacheDir);
         foreach (self::$pages as $page) {
-            $this->assertFileNotExists(self::$testCacheDir.'/'.$page.'.cache');
-        }        
+            $this->assertFileNotExists(self::$testCacheDir . '/' . $page . '.cache');
+        }
 
         $this->assertArrayNotHasKey('tags', $_SESSION);
     }
diff --git a/tests/CachedPageTest.php b/tests/feed/CachedPageTest.php
index 51565cd6..0bcc1442 100644
--- a/tests/CachedPageTest.php
+++ b/tests/feed/CachedPageTest.php
@@ -2,13 +2,12 @@
 /**
  * PageCache tests
  */
-
-require_once 'application/CachedPage.php';
+namespace Shaarli\Feed;
 
 /**
  * Unitary tests for cached pages
  */
-class CachedPageTest extends PHPUnit_Framework_TestCase
+class CachedPageTest extends \PHPUnit\Framework\TestCase
 {
     // test cache directory
     protected static $testCacheDir = 'sandbox/pagecache';
@@ -20,10 +19,10 @@ class CachedPageTest extends PHPUnit_Framework_TestCase
      */
     public static function setUpBeforeClass()
     {
-        if (! is_dir(self::$testCacheDir)) {
+        if (!is_dir(self::$testCacheDir)) {
             mkdir(self::$testCacheDir);
         }
-        self::$filename = self::$testCacheDir.'/'.sha1(self::$url).'.cache';
+        self::$filename = self::$testCacheDir . '/' . sha1(self::$url) . '.cache';
     }
 
     /**
diff --git a/tests/FeedBuilderTest.php b/tests/feed/FeedBuilderTest.php
index a590306d..b496cb4c 100644
--- a/tests/FeedBuilderTest.php
+++ b/tests/feed/FeedBuilderTest.php
@@ -1,14 +1,17 @@
 <?php
 
-require_once 'application/FeedBuilder.php';
-require_once 'application/LinkDB.php';
+namespace Shaarli\Feed;
+
+use DateTime;
+use ReferenceLinkDB;
+use Shaarli\Bookmark\LinkDB;
 
 /**
  * FeedBuilderTest class.
  *
  * Unit tests for FeedBuilder.
  */
-class FeedBuilderTest extends PHPUnit_Framework_TestCase
+class FeedBuilderTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string locale Basque (Spain).
@@ -82,15 +85,15 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $this->assertFalse($data['usepermalinks']);
         $this->assertEquals(ReferenceLinkDB::$NB_LINKS_TOTAL, count($data['links']));
 
-        // Test first link (note link)
-        $link = reset($data['links']);
+        // Test first not pinned link (note link)
+        $link = $data['links'][array_keys($data['links'])[2]];
         $this->assertEquals(41, $link['id']);
         $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651'), $link['created']);
         $this->assertEquals('http://host.tld/?WDWyig', $link['guid']);
         $this->assertEquals('http://host.tld/?WDWyig', $link['url']);
         $this->assertRegExp('/Tue, 10 Mar 2015 11:46:51 \+\d{4}/', $link['pub_iso_date']);
         $pub = DateTime::createFromFormat(DateTime::RSS, $link['pub_iso_date']);
-        $up  = DateTime::createFromFormat(DateTime::ATOM, $link['up_iso_date']);
+        $up = DateTime::createFromFormat(DateTime::ATOM, $link['up_iso_date']);
         $this->assertEquals($pub, $up);
         $this->assertContains('Stallman has a beard', $link['description']);
         $this->assertContains('Permalink', $link['description']);
@@ -119,7 +122,7 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $data = $feedBuilder->buildData();
         $this->assertEquals(ReferenceLinkDB::$NB_LINKS_TOTAL, count($data['links']));
         $this->assertRegExp('/2016-08-03T09:30:33\+\d{2}:\d{2}/', $data['last_update']);
-        $link = reset($data['links']);
+        $link = $data['links'][array_keys($data['links'])[2]];
         $this->assertRegExp('/2015-03-10T11:46:51\+\d{2}:\d{2}/', $link['pub_iso_date']);
         $this->assertRegExp('/2016-08-03T09:30:33\+\d{2}:\d{2}/', $data['links'][8]['up_iso_date']);
     }
@@ -148,13 +151,13 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
     public function testBuildDataCount()
     {
         $criteria = array(
-            'nb' => '1',
+            'nb' => '3',
         );
         $feedBuilder = new FeedBuilder(self::$linkDB, FeedBuilder::$FEED_ATOM, self::$serverInfo, $criteria, false);
         $feedBuilder->setLocale(self::$LOCALE);
         $data = $feedBuilder->buildData();
-        $this->assertEquals(1, count($data['links']));
-        $link = array_shift($data['links']);
+        $this->assertEquals(3, count($data['links']));
+        $link = $data['links'][array_keys($data['links'])[2]];
         $this->assertEquals(41, $link['id']);
         $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651'), $link['created']);
     }
@@ -171,7 +174,7 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(ReferenceLinkDB::$NB_LINKS_TOTAL, count($data['links']));
         $this->assertTrue($data['usepermalinks']);
         // First link is a permalink
-        $link = array_shift($data['links']);
+        $link = $data['links'][array_keys($data['links'])[2]];
         $this->assertEquals(41, $link['id']);
         $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651'), $link['created']);
         $this->assertEquals('http://host.tld/?WDWyig', $link['guid']);
@@ -179,7 +182,7 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $this->assertContains('Direct link', $link['description']);
         $this->assertContains('http://host.tld/?WDWyig', $link['description']);
         // Second link is a direct link
-        $link = array_shift($data['links']);
+        $link = $data['links'][array_keys($data['links'])[3]];
         $this->assertEquals(8, $link['id']);
         $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114633'), $link['created']);
         $this->assertEquals('http://host.tld/?RttfEw', $link['guid']);
@@ -237,7 +240,7 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         );
 
         // Test first link (note link)
-        $link = array_shift($data['links']);
+        $link = $data['links'][array_keys($data['links'])[2]];
         $this->assertEquals('http://host.tld:8080/~user/shaarli/?WDWyig', $link['guid']);
         $this->assertEquals('http://host.tld:8080/~user/shaarli/?WDWyig', $link['url']);
         $this->assertContains('http://host.tld:8080/~user/shaarli/?addtag=hashtag', $link['description']);
diff --git a/tests/HttpUtils/ClientIpIdTest.php b/tests/http/HttpUtils/ClientIpIdTest.php
index c15ac5cc..982e57e0 100644
--- a/tests/HttpUtils/ClientIpIdTest.php
+++ b/tests/http/HttpUtils/ClientIpIdTest.php
@@ -3,12 +3,14 @@
  * HttpUtils' tests
  */
 
-require_once 'application/HttpUtils.php';
+namespace Shaarli\Http;
+
+require_once 'application/http/HttpUtils.php';
 
 /**
  * Unitary tests for client_ip_id()
  */
-class ClientIpIdTest extends PHPUnit_Framework_TestCase
+class ClientIpIdTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Get a remote client ID based on its IP
diff --git a/tests/HttpUtils/GetHttpUrlTest.php b/tests/http/HttpUtils/GetHttpUrlTest.php
index ea53de5f..3dc5bc9b 100644
--- a/tests/HttpUtils/GetHttpUrlTest.php
+++ b/tests/http/HttpUtils/GetHttpUrlTest.php
@@ -3,12 +3,14 @@
  * HttpUtils' tests
  */
 
-require_once 'application/HttpUtils.php';
+namespace Shaarli\Http;
+
+require_once 'application/http/HttpUtils.php';
 
 /**
  * Unitary tests for get_http_response()
  */
-class GetHttpUrlTest extends PHPUnit_Framework_TestCase
+class GetHttpUrlTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Get an invalid local URL
@@ -17,12 +19,12 @@ class GetHttpUrlTest extends PHPUnit_Framework_TestCase
     {
         // Local
         list($headers, $content) = get_http_response('/non/existent', 1);
-        $this->assertEquals('Invalid HTTP Url', $headers[0]);
+        $this->assertEquals('Invalid HTTP UrlUtils', $headers[0]);
         $this->assertFalse($content);
 
         // Non HTTP
         list($headers, $content) = get_http_response('ftp://save.tld/mysave', 1);
-        $this->assertEquals('Invalid HTTP Url', $headers[0]);
+        $this->assertEquals('Invalid HTTP UrlUtils', $headers[0]);
         $this->assertFalse($content);
     }
 
diff --git a/tests/HttpUtils/GetIpAdressFromProxyTest.php b/tests/http/HttpUtils/GetIpAdressFromProxyTest.php
index 6a74a45a..fe3a639e 100644
--- a/tests/HttpUtils/GetIpAdressFromProxyTest.php
+++ b/tests/http/HttpUtils/GetIpAdressFromProxyTest.php
@@ -1,11 +1,14 @@
 <?php
 
-require_once 'application/HttpUtils.php';
+namespace Shaarli\Http;
+
+require_once 'application/http/HttpUtils.php';
 
 /**
  * Unitary tests for getIpAddressFromProxy()
  */
-class GetIpAdressFromProxyTest extends PHPUnit_Framework_TestCase {
+class GetIpAdressFromProxyTest extends \PHPUnit\Framework\TestCase
+{
 
     /**
      * Test without proxy
diff --git a/tests/HttpUtils/IndexUrlTest.php b/tests/http/HttpUtils/IndexUrlTest.php
index 337dcab0..bcbe59cb 100644
--- a/tests/HttpUtils/IndexUrlTest.php
+++ b/tests/http/HttpUtils/IndexUrlTest.php
@@ -3,12 +3,14 @@
  * HttpUtils' tests
  */
 
-require_once 'application/HttpUtils.php';
+namespace Shaarli\Http;
+
+require_once 'application/http/HttpUtils.php';
 
 /**
  * Unitary tests for index_url()
  */
-class IndexUrlTest extends PHPUnit_Framework_TestCase
+class IndexUrlTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * If on the main page, remove "index.php" from the URL resource
diff --git a/tests/HttpUtils/IsHttpsTest.php b/tests/http/HttpUtils/IsHttpsTest.php
index 097f2bcf..348956c6 100644
--- a/tests/HttpUtils/IsHttpsTest.php
+++ b/tests/http/HttpUtils/IsHttpsTest.php
@@ -1,12 +1,15 @@
 <?php
 
+namespace Shaarli\Http;
+
+require_once 'application/http/HttpUtils.php';
 
 /**
  * Class IsHttpsTest
  *
  * Test class for is_https() function.
  */
-class IsHttpsTest extends PHPUnit_Framework_TestCase
+class IsHttpsTest extends \PHPUnit\Framework\TestCase
 {
 
     /**
diff --git a/tests/HttpUtils/PageUrlTest.php b/tests/http/HttpUtils/PageUrlTest.php
index 4dbbe9cf..f1991716 100644
--- a/tests/HttpUtils/PageUrlTest.php
+++ b/tests/http/HttpUtils/PageUrlTest.php
@@ -3,12 +3,14 @@
  * HttpUtils' tests
  */
 
-require_once 'application/HttpUtils.php';
+namespace Shaarli\Http;
+
+require_once 'application/http/HttpUtils.php';
 
 /**
  * Unitary tests for page_url()
  */
-class PageUrlTest extends PHPUnit_Framework_TestCase
+class PageUrlTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * If on the main page, remove "index.php" from the URL resource
diff --git a/tests/HttpUtils/ServerUrlTest.php b/tests/http/HttpUtils/ServerUrlTest.php
index 324b827a..9caf1049 100644
--- a/tests/HttpUtils/ServerUrlTest.php
+++ b/tests/http/HttpUtils/ServerUrlTest.php
@@ -3,12 +3,14 @@
  * HttpUtils' tests
  */
 
-require_once 'application/HttpUtils.php';
+namespace Shaarli\Http;
+
+require_once 'application/http/HttpUtils.php';
 
 /**
  * Unitary tests for server_url()
  */
-class ServerUrlTest extends PHPUnit_Framework_TestCase
+class ServerUrlTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Detect if the server uses SSL
diff --git a/tests/Url/UrlTest.php b/tests/http/UrlTest.php
index aa2f2234..ae92f73a 100644
--- a/tests/Url/UrlTest.php
+++ b/tests/http/UrlTest.php
@@ -1,14 +1,14 @@
 <?php
 /**
- * Url's tests
+ * UrlUtils's tests
  */
 
-require_once 'application/Url.php';
+namespace Shaarli\Http;
 
 /**
  * Unitary tests for URL utilities
  */
-class UrlTest extends PHPUnit_Framework_TestCase
+class UrlTest extends \PHPUnit\Framework\TestCase
 {
     // base URL for tests
     protected static $baseUrl = 'http://domain.tld:3000';
@@ -16,9 +16,9 @@ class UrlTest extends PHPUnit_Framework_TestCase
     /**
      * Helper method
      */
-    private function assertUrlIsCleaned($query='', $fragment='')
+    private function assertUrlIsCleaned($query = '', $fragment = '')
     {
-        $url = new Url(self::$baseUrl.$query.$fragment);
+        $url = new Url(self::$baseUrl . $query . $fragment);
         $url->cleanup();
         $this->assertEquals(self::$baseUrl, $url->toString());
     }
@@ -38,7 +38,7 @@ class UrlTest extends PHPUnit_Framework_TestCase
     public function testConstruct()
     {
         $ref = 'http://username:password@hostname:9090/path'
-              .'?arg1=value1&arg2=value2#anchor';
+            . '?arg1=value1&arg2=value2#anchor';
         $url = new Url($ref);
         $this->assertEquals($ref, $url->toString());
     }
@@ -52,7 +52,7 @@ class UrlTest extends PHPUnit_Framework_TestCase
         $this->assertUrlIsCleaned();
 
         // URL with no annoying elements
-        $ref = self::$baseUrl.'?p1=val1&p2=1234#edit';
+        $ref = self::$baseUrl . '?p1=val1&p2=1234#edit';
         $url = new Url($ref);
         $this->assertEquals($ref, $url->cleanup());
     }
@@ -115,33 +115,33 @@ class UrlTest extends PHPUnit_Framework_TestCase
         // ditch annoying query params and fragment, keep useful params
         $url = new Url(
             self::$baseUrl
-            .'?fb=zomg&my=stuff&utm_medium=numnum&is=kept#tk.rss_all'
+            . '?fb=zomg&my=stuff&utm_medium=numnum&is=kept#tk.rss_all'
         );
-        $this->assertEquals(self::$baseUrl.'?my=stuff&is=kept', $url->cleanup());
+        $this->assertEquals(self::$baseUrl . '?my=stuff&is=kept', $url->cleanup());
 
 
         // ditch annoying query params, keep useful params and fragment
         $url = new Url(
             self::$baseUrl
-            .'?fb=zomg&my=stuff&utm_medium=numnum&is=kept#again'
+            . '?fb=zomg&my=stuff&utm_medium=numnum&is=kept#again'
         );
         $this->assertEquals(
-            self::$baseUrl.'?my=stuff&is=kept#again',
+            self::$baseUrl . '?my=stuff&is=kept#again',
             $url->cleanup()
         );
 
         // test firefox reader url
         $url = new Url(
-            'about://reader?url=' . urlencode(self::$baseUrl .'?my=stuff&is=kept')
+            'about://reader?url=' . urlencode(self::$baseUrl . '?my=stuff&is=kept')
         );
-        $this->assertEquals(self::$baseUrl.'?my=stuff&is=kept', $url->cleanup());
-
+        $this->assertEquals(self::$baseUrl . '?my=stuff&is=kept', $url->cleanup());
     }
 
     /**
      * Test default http scheme.
      */
-    public function testDefaultScheme() {
+    public function testDefaultScheme()
+    {
         $url = new Url(self::$baseUrl);
         $this->assertEquals('http', $url->getScheme());
         $url = new Url('domain.tld');
diff --git a/tests/Url/CleanupUrlTest.php b/tests/http/UrlUtils/CleanupUrlTest.php
index 1407d7d2..6c4d124b 100644
--- a/tests/Url/CleanupUrlTest.php
+++ b/tests/http/UrlUtils/CleanupUrlTest.php
@@ -3,9 +3,11 @@
  * Unitary tests for cleanup_url()
  */
 
-require_once 'application/Url.php';
+namespace Shaarli\Http;
 
-class CleanupUrlTest extends PHPUnit_Framework_TestCase
+require_once 'application/http/UrlUtils.php';
+
+class CleanupUrlTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string reference URL
@@ -107,4 +109,3 @@ class CleanupUrlTest extends PHPUnit_Framework_TestCase
         );
     }
 }
-
diff --git a/tests/Url/GetUrlSchemeTest.php b/tests/http/UrlUtils/GetUrlSchemeTest.php
index 72d80b30..2b97f7be 100644
--- a/tests/Url/GetUrlSchemeTest.php
+++ b/tests/http/UrlUtils/GetUrlSchemeTest.php
@@ -3,12 +3,14 @@
  * Unitary tests for get_url_scheme()
  */
 
-require_once 'application/Url.php';
+namespace Shaarli\Http;
 
-class GetUrlSchemeTest extends PHPUnit_Framework_TestCase
+require_once 'application/http/UrlUtils.php';
+
+class GetUrlSchemeTest extends \PHPUnit\Framework\TestCase
 {
     /**
-     * Get empty scheme string for empty Url
+     * Get empty scheme string for empty UrlUtils
      */
     public function testGetUrlSchemeEmpty()
     {
@@ -16,7 +18,7 @@ class GetUrlSchemeTest extends PHPUnit_Framework_TestCase
     }
 
     /**
-     * Get normal scheme of Url
+     * Get normal scheme of UrlUtils
      */
     public function testGetUrlScheme()
     {
@@ -28,4 +30,3 @@ class GetUrlSchemeTest extends PHPUnit_Framework_TestCase
         $this->assertEquals('git', get_url_scheme('git://domain.tld/push?pull=clone#checkout'));
     }
 }
-
diff --git a/tests/Url/UnparseUrlTest.php b/tests/http/UrlUtils/UnparseUrlTest.php
index edde73e4..040d8c54 100644
--- a/tests/Url/UnparseUrlTest.php
+++ b/tests/http/UrlUtils/UnparseUrlTest.php
@@ -1,14 +1,16 @@
 <?php
 /**
- * Unpares Url's tests
+ * Unpares UrlUtils's tests
  */
 
-require_once 'application/Url.php';
+namespace Shaarli\Http;
+
+require_once 'application/http/UrlUtils.php';
 
 /**
  * Unitary tests for unparse_url()
  */
-class UnparseUrlTest extends PHPUnit_Framework_TestCase
+class UnparseUrlTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Thanks for building nothing
@@ -28,4 +30,3 @@ class UnparseUrlTest extends PHPUnit_Framework_TestCase
         $this->assertEquals($ref, unparse_url(parse_url($ref)));
     }
 }
-
diff --git a/tests/Url/WhitelistProtocolsTest.php b/tests/http/UrlUtils/WhitelistProtocolsTest.php
index a3156804..69512dbd 100644
--- a/tests/Url/WhitelistProtocolsTest.php
+++ b/tests/http/UrlUtils/WhitelistProtocolsTest.php
@@ -1,15 +1,15 @@
 <?php
 
-require_once 'application/Url.php';
+namespace Shaarli\Http;
 
-use Shaarli\Config\ConfigManager;
+require_once 'application/http/UrlUtils.php';
 
 /**
  * Class WhitelistProtocolsTest
  *
- * Test whitelist_protocols() function of Url.
+ * Test whitelist_protocols() function of UrlUtils.
  */
-class WhitelistProtocolsTest extends PHPUnit_Framework_TestCase
+class WhitelistProtocolsTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Test whitelist_protocols() on a note (relative URL).
diff --git a/tests/languages/de/UtilsDeTest.php b/tests/languages/de/UtilsDeTest.php
index 4569c923..588c9fd6 100644
--- a/tests/languages/de/UtilsDeTest.php
+++ b/tests/languages/de/UtilsDeTest.php
@@ -20,7 +20,7 @@ class UtilsDeTest extends UtilsTest
     public function testDateFormatNoTime()
     {
         $date = DateTime::createFromFormat('Ymd_His', '20170101_101112');
-        $this->assertRegExp('/1\. Januar 2017/', format_date($date, false,true));
+        $this->assertRegExp('/1\. Januar 2017/', format_date($date, false, true));
     }
 
     /**
diff --git a/tests/languages/fr/LanguagesFrTest.php b/tests/languages/fr/LanguagesFrTest.php
index 0cf74891..b8b7ca3a 100644
--- a/tests/languages/fr/LanguagesFrTest.php
+++ b/tests/languages/fr/LanguagesFrTest.php
@@ -3,7 +3,6 @@
 
 namespace Shaarli;
 
-
 use Shaarli\Config\ConfigManager;
 
 /**
@@ -13,7 +12,7 @@ use Shaarli\Config\ConfigManager;
  *
  * @package Shaarli
  */
-class LanguagesFrTest extends \PHPUnit_Framework_TestCase
+class LanguagesFrTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string Config file path (without extension).
diff --git a/tests/NetscapeBookmarkUtils/BookmarkExportTest.php b/tests/netscape/BookmarkExportTest.php
index 6a47bbb9..6de9876d 100644
--- a/tests/NetscapeBookmarkUtils/BookmarkExportTest.php
+++ b/tests/netscape/BookmarkExportTest.php
@@ -1,11 +1,14 @@
 <?php
+namespace Shaarli\Netscape;
 
-require_once 'application/NetscapeBookmarkUtils.php';
+use Shaarli\Bookmark\LinkDB;
+
+require_once 'tests/utils/ReferenceLinkDB.php';
 
 /**
  * Netscape bookmark export
  */
-class BookmarkExportTest extends PHPUnit_Framework_TestCase
+class BookmarkExportTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
@@ -13,7 +16,7 @@ class BookmarkExportTest extends PHPUnit_Framework_TestCase
     protected static $testDatastore = 'sandbox/datastore.php';
 
     /**
-     * @var ReferenceLinkDB instance.
+     * @var \ReferenceLinkDB instance.
      */
     protected static $refDb = null;
 
@@ -27,7 +30,7 @@ class BookmarkExportTest extends PHPUnit_Framework_TestCase
      */
     public static function setUpBeforeClass()
     {
-        self::$refDb = new ReferenceLinkDB();
+        self::$refDb = new \ReferenceLinkDB();
         self::$refDb->write(self::$testDatastore);
         self::$linkDb = new LinkDB(self::$testDatastore, true, false);
     }
@@ -110,7 +113,7 @@ class BookmarkExportTest extends PHPUnit_Framework_TestCase
         $links = NetscapeBookmarkUtils::filterAndFormat(self::$linkDb, 'public', false, '');
         $this->assertEquals(
             '?WDWyig',
-            $links[0]['url']
+            $links[2]['url']
         );
     }
 
@@ -128,7 +131,7 @@ class BookmarkExportTest extends PHPUnit_Framework_TestCase
         );
         $this->assertEquals(
             $indexUrl . '?WDWyig',
-            $links[0]['url']
+            $links[2]['url']
         );
     }
 }
diff --git a/tests/NetscapeBookmarkUtils/BookmarkImportTest.php b/tests/netscape/BookmarkImportTest.php
index f0a958cb..ccafc161 100644
--- a/tests/NetscapeBookmarkUtils/BookmarkImportTest.php
+++ b/tests/netscape/BookmarkImportTest.php
@@ -1,8 +1,10 @@
 <?php
+namespace Shaarli\Netscape;
 
-require_once 'application/NetscapeBookmarkUtils.php';
-
+use DateTime;
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigManager;
+use Shaarli\History;
 
 /**
  * Utility function to load a file's metadata in a $_FILES-like array
@@ -26,7 +28,7 @@ function file2array($filename)
 /**
  * Netscape bookmark import
  */
-class BookmarkImportTest extends PHPUnit_Framework_TestCase
+class BookmarkImportTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string datastore to test write operations
diff --git a/tests/NetscapeBookmarkUtils/input/empty.htm b/tests/netscape/input/empty.htm
index e69de29b..e69de29b 100644
--- a/tests/NetscapeBookmarkUtils/input/empty.htm
+++ b/tests/netscape/input/empty.htm
diff --git a/tests/NetscapeBookmarkUtils/input/internet_explorer_encoding.htm b/tests/netscape/input/internet_explorer_encoding.htm
index 18703cf6..18703cf6 100644
--- a/tests/NetscapeBookmarkUtils/input/internet_explorer_encoding.htm
+++ b/tests/netscape/input/internet_explorer_encoding.htm
diff --git a/tests/NetscapeBookmarkUtils/input/lowercase_doctype.htm b/tests/netscape/input/lowercase_doctype.htm
index 8911ad19..8911ad19 100644
--- a/tests/NetscapeBookmarkUtils/input/lowercase_doctype.htm
+++ b/tests/netscape/input/lowercase_doctype.htm
diff --git a/tests/NetscapeBookmarkUtils/input/netscape_basic.htm b/tests/netscape/input/netscape_basic.htm
index affe0cf8..affe0cf8 100644
--- a/tests/NetscapeBookmarkUtils/input/netscape_basic.htm
+++ b/tests/netscape/input/netscape_basic.htm
diff --git a/tests/NetscapeBookmarkUtils/input/netscape_nested.htm b/tests/netscape/input/netscape_nested.htm
index b486fe18..b486fe18 100644
--- a/tests/NetscapeBookmarkUtils/input/netscape_nested.htm
+++ b/tests/netscape/input/netscape_nested.htm
diff --git a/tests/NetscapeBookmarkUtils/input/no_doctype.htm b/tests/netscape/input/no_doctype.htm
index 766d398b..766d398b 100644
--- a/tests/NetscapeBookmarkUtils/input/no_doctype.htm
+++ b/tests/netscape/input/no_doctype.htm
diff --git a/tests/NetscapeBookmarkUtils/input/same_date.htm b/tests/netscape/input/same_date.htm
index 9d58a582..9d58a582 100644
--- a/tests/NetscapeBookmarkUtils/input/same_date.htm
+++ b/tests/netscape/input/same_date.htm
diff --git a/tests/plugins/PluginAddlinkTest.php b/tests/plugins/PluginAddlinkTest.php
index b6239e7f..d052f8b9 100644
--- a/tests/plugins/PluginAddlinkTest.php
+++ b/tests/plugins/PluginAddlinkTest.php
@@ -1,17 +1,15 @@
 <?php
+namespace Shaarli\Plugin\Addlink;
 
-/**
- * PluginPlayvideosTest.php
- */
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
 
 require_once 'plugins/addlink_toolbar/addlink_toolbar.php';
-require_once 'application/Router.php';
 
 /**
- * Class PluginAddlinkTest
  * Unit test for the Addlink toolbar plugin
  */
-class PluginAddlinkTest extends PHPUnit_Framework_TestCase
+class PluginAddlinkTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Reset plugin path.
diff --git a/tests/plugins/PluginArchiveorgTest.php b/tests/plugins/PluginArchiveorgTest.php
index fecd5f2c..510288bb 100644
--- a/tests/plugins/PluginArchiveorgTest.php
+++ b/tests/plugins/PluginArchiveorgTest.php
@@ -1,16 +1,19 @@
 <?php
+namespace Shaarli\Plugin\Archiveorg;
 
 /**
  * PluginArchiveorgTest.php
  */
 
+use Shaarli\Plugin\PluginManager;
+
 require_once 'plugins/archiveorg/archiveorg.php';
 
 /**
  * Class PluginArchiveorgTest
  * Unit test for the archiveorg plugin
  */
-class PluginArchiveorgTest extends PHPUnit_Framework_TestCase
+class PluginArchiveorgTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Reset plugin path
diff --git a/tests/plugins/PluginIssoTest.php b/tests/plugins/PluginIssoTest.php
index 0ae73183..bdfab439 100644
--- a/tests/plugins/PluginIssoTest.php
+++ b/tests/plugins/PluginIssoTest.php
@@ -1,5 +1,10 @@
 <?php
+namespace Shaarli\Plugin\Isso;
+
+use DateTime;
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
 
 require_once 'plugins/isso/isso.php';
 
@@ -8,7 +13,7 @@ require_once 'plugins/isso/isso.php';
  *
  * Test the Isso plugin (comment system).
  */
-class PluginIssoTest extends PHPUnit_Framework_TestCase
+class PluginIssoTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Reset plugin path
@@ -21,7 +26,7 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
     /**
      * Test Isso init without errors.
      */
-    public function testWallabagInitNoError()
+    public function testIssoInitNoError()
     {
         $conf = new ConfigManager('');
         $conf->set('plugins.ISSO_SERVER', 'value');
@@ -32,7 +37,7 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
     /**
      * Test Isso init with errors.
      */
-    public function testWallabagInitError()
+    public function testIssoInitError()
     {
         $conf = new ConfigManager('');
         $errors = isso_init($conf);
@@ -96,19 +101,22 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
                 array(
                     'id' => 12,
                     'url' => $str,
+                    'shorturl' => $short1 = 'abcd',
                     'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date1),
                 ),
                 array(
                     'id' => 13,
                     'url' => $str . '2',
+                    'shorturl' => $short2 = 'efgh',
                     'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date2),
                 ),
             )
         );
 
         $processed = hook_isso_render_linklist($data, $conf);
-        // data shouldn't be altered
-        $this->assertEquals($data, $processed);
+        // link_plugin should be added for the icon
+        $this->assertContains('<a href="?'. $short1 .'#isso-thread">', $processed['links'][0]['link_plugin'][0]);
+        $this->assertContains('<a href="?'. $short2 .'#isso-thread">', $processed['links'][1]['link_plugin'][0]);
     }
 
     /**
@@ -127,6 +135,7 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
                 array(
                     'id' => 12,
                     'url' => $str,
+                    'shorturl' => $short1 = 'abcd',
                     'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date),
                 )
             ),
@@ -135,8 +144,8 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
 
         $processed = hook_isso_render_linklist($data, $conf);
 
-        // data shouldn't be altered
-        $this->assertEquals($data, $processed);
+        // link_plugin should be added for the icon
+        $this->assertContains('<a href="?'. $short1 .'#isso-thread">', $processed['links'][0]['link_plugin'][0]);
     }
 
     /**
diff --git a/tests/plugins/PluginMarkdownTest.php b/tests/plugins/PluginMarkdownTest.php
index b31e817f..5e7c02b0 100644
--- a/tests/plugins/PluginMarkdownTest.php
+++ b/tests/plugins/PluginMarkdownTest.php
@@ -1,10 +1,14 @@
 <?php
+namespace Shaarli\Plugin\Markdown;
+
 use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
 
 /**
  * PluginMarkdownTest.php
  */
 
+require_once 'application/bookmark/LinkUtils.php';
 require_once 'application/Utils.php';
 require_once 'plugins/markdown/markdown.php';
 
@@ -12,7 +16,7 @@ require_once 'plugins/markdown/markdown.php';
  * Class PluginMarkdownTest
  * Unit test for the Markdown plugin
  */
-class PluginMarkdownTest extends PHPUnit_Framework_TestCase
+class PluginMarkdownTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var ConfigManager instance.
@@ -47,6 +51,8 @@ class PluginMarkdownTest extends PHPUnit_Framework_TestCase
         $data = hook_markdown_render_linklist($data, $this->conf);
         $this->assertNotFalse(strpos($data['links'][0]['description'], '<h1>'));
         $this->assertNotFalse(strpos($data['links'][0]['description'], '<p>'));
+
+        $this->assertEquals($markdown, $data['links'][0]['description_src']);
     }
 
     /**
@@ -107,6 +113,18 @@ class PluginMarkdownTest extends PHPUnit_Framework_TestCase
     }
 
     /**
+     * Test reverse_text2clickable().
+     */
+    public function testReverseText2clickableHashtags()
+    {
+        $text = file_get_contents('tests/plugins/resources/hashtags.raw');
+        $md = file_get_contents('tests/plugins/resources/hashtags.md');
+        $clickableText = hashtag_autolink($text);
+        $reversedText = reverse_text2clickable($clickableText);
+        $this->assertEquals($md, $reversedText);
+    }
+
+    /**
      * Test reverse_nl2br().
      */
     public function testReverseNl2br()
@@ -246,7 +264,7 @@ class PluginMarkdownTest extends PHPUnit_Framework_TestCase
             $this->conf->get('security.markdown_escape', true),
             $this->conf->get('security.allowed_protocols')
         );
-        $this->assertEquals($html, $data);
+        $this->assertEquals($html, $data . PHP_EOL);
     }
 
     /**
diff --git a/tests/plugins/PluginPlayvideosTest.php b/tests/plugins/PluginPlayvideosTest.php
index 29ad047f..51472617 100644
--- a/tests/plugins/PluginPlayvideosTest.php
+++ b/tests/plugins/PluginPlayvideosTest.php
@@ -1,17 +1,20 @@
 <?php
+namespace Shaarli\Plugin\Playvideos;
 
 /**
  * PluginPlayvideosTest.php
  */
 
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
+
 require_once 'plugins/playvideos/playvideos.php';
-require_once 'application/Router.php';
 
 /**
  * Class PluginPlayvideosTest
  * Unit test for the PlayVideos plugin
  */
-class PluginPlayvideosTest extends PHPUnit_Framework_TestCase
+class PluginPlayvideosTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Reset plugin path
diff --git a/tests/plugins/PluginPubsubhubbubTest.php b/tests/plugins/PluginPubsubhubbubTest.php
index 69d00936..a7bd8fc9 100644
--- a/tests/plugins/PluginPubsubhubbubTest.php
+++ b/tests/plugins/PluginPubsubhubbubTest.php
@@ -1,14 +1,17 @@
 <?php
+namespace Shaarli\Plugin\Pubsubhubbub;
+
 use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
 
 require_once 'plugins/pubsubhubbub/pubsubhubbub.php';
-require_once 'application/Router.php';
 
 /**
  * Class PluginPubsubhubbubTest
  * Unit test for the pubsubhubbub plugin
  */
-class PluginPubsubhubbubTest extends PHPUnit_Framework_TestCase
+class PluginPubsubhubbubTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string Config file path (without extension).
diff --git a/tests/plugins/PluginQrcodeTest.php b/tests/plugins/PluginQrcodeTest.php
index ebfadddf..0c61e14a 100644
--- a/tests/plugins/PluginQrcodeTest.php
+++ b/tests/plugins/PluginQrcodeTest.php
@@ -1,21 +1,26 @@
 <?php
+namespace Shaarli\Plugin\Qrcode;
+
 /**
  * PluginQrcodeTest.php
  */
 
+use Shaarli\Plugin\PluginManager;
+use Shaarli\Router;
+
 require_once 'plugins/qrcode/qrcode.php';
-require_once 'application/Router.php';
 
 /**
  * Class PluginQrcodeTest
  * Unit test for the QR-Code plugin
  */
-class PluginQrcodeTest extends PHPUnit_Framework_TestCase
+class PluginQrcodeTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Reset plugin path
      */
-    public function setUp() {
+    public function setUp()
+    {
         PluginManager::$PLUGINS_PATH = 'plugins';
     }
 
diff --git a/tests/plugins/PluginWallabagTest.php b/tests/plugins/PluginWallabagTest.php
index 76b7887e..79751921 100644
--- a/tests/plugins/PluginWallabagTest.php
+++ b/tests/plugins/PluginWallabagTest.php
@@ -1,9 +1,8 @@
 <?php
-use Shaarli\Config\ConfigManager;
+namespace Shaarli\Plugin\Wallabag;
 
-/**
- * PluginWallabagTest.php.php
- */
+use Shaarli\Config\ConfigManager;
+use Shaarli\Plugin\PluginManager;
 
 require_once 'plugins/wallabag/wallabag.php';
 
@@ -11,7 +10,7 @@ require_once 'plugins/wallabag/wallabag.php';
  * Class PluginWallabagTest
  * Unit test for the Wallabag plugin
  */
-class PluginWallabagTest extends PHPUnit_Framework_TestCase
+class PluginWallabagTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Reset plugin path
diff --git a/tests/plugins/WallabagInstanceTest.php b/tests/plugins/WallabagInstanceTest.php
index 2c466871..a3cd9076 100644
--- a/tests/plugins/WallabagInstanceTest.php
+++ b/tests/plugins/WallabagInstanceTest.php
@@ -1,11 +1,10 @@
 <?php
-
-require_once 'plugins/wallabag/WallabagInstance.php';
+namespace Shaarli\Plugin\Wallabag;
 
 /**
  * Class WallabagInstanceTest
  */
-class WallabagInstanceTest extends PHPUnit_Framework_TestCase
+class WallabagInstanceTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string wallabag url.
diff --git a/tests/plugins/resources/hashtags.md b/tests/plugins/resources/hashtags.md
new file mode 100644
index 00000000..46326de3
--- /dev/null
+++ b/tests/plugins/resources/hashtags.md
@@ -0,0 +1,10 @@
+[#lol](?addtag=lol)
+
+    #test
+
+`#test2`
+
+```
+bla #bli blo
+#bla
+```
diff --git a/tests/plugins/resources/hashtags.raw b/tests/plugins/resources/hashtags.raw
new file mode 100644
index 00000000..9d2dc98a
--- /dev/null
+++ b/tests/plugins/resources/hashtags.raw
@@ -0,0 +1,10 @@
+#lol
+
+    #test
+
+`#test2`
+
+```
+bla #bli blo
+#bla
+```
diff --git a/tests/plugins/resources/markdown.html b/tests/plugins/resources/markdown.html
index f1df4e7e..c3460bf7 100644
--- a/tests/plugins/resources/markdown.html
+++ b/tests/plugins/resources/markdown.html
@@ -12,11 +12,11 @@
 <li><a href="http://link.tld">two</a></li>
 <li><a href="http://link.tld">three</a></li>
 <li><a href="http://link.tld">four</a></li>
-<li>foo &lt;a href=&quot;?addtag=foobar&quot; title=&quot;Hashtag foobar&quot;&gt;#foobar&lt;/a&gt;</li>
+<li>foo <a href="?addtag=foobar">#foobar</a></li>
 </ol></li>
 </ol>
-<p>&lt;a href=&quot;?addtag=foobar&quot; title=&quot;Hashtag foobar&quot;&gt;#foobar&lt;/a&gt; foo <code>lol #foo</code> &lt;a href=&quot;?addtag=bar&quot; title=&quot;Hashtag bar&quot;&gt;#bar&lt;/a&gt;</p>
-<p>fsdfs <a href="http://link.tld">http://link.tld</a> &lt;a href=&quot;?addtag=foobar&quot; title=&quot;Hashtag foobar&quot;&gt;#foobar&lt;/a&gt; <code>http://link.tld</code></p>
+<p><a href="?addtag=foobar">#foobar</a> foo <code>lol #foo</code> <a href="?addtag=bar">#bar</a></p>
+<p>fsdfs <a href="http://link.tld">http://link.tld</a> <a href="?addtag=foobar">#foobar</a> <code>http://link.tld</code></p>
 <pre><code>http://link.tld #foobar
 next #foo</code></pre>
 <p>Block:</p>
@@ -30,4 +30,4 @@ next #foo</code></pre>
 <a href="ftp://test.tld/path/?query=value#hash">link</a><br />
 <a href="magnet:test.tld/path/?query=value#hash">link</a><br />
 <a href="http://alert(&#039;xss&#039;)">link</a><br />
-<a href="http://test.tld/path/?query=value#hash">link</a></p></div>
\ No newline at end of file
+<a href="http://test.tld/path/?query=value#hash">link</a></p></div>
diff --git a/tests/plugins/resources/markdown.md b/tests/plugins/resources/markdown.md
index b8ebd934..9350a8c7 100644
--- a/tests/plugins/resources/markdown.md
+++ b/tests/plugins/resources/markdown.md
@@ -31,4 +31,4 @@ lorem ipsum #foobar http://link.tld
 [link](ftp://test.tld/path/?query=value#hash)
 [link](magnet:test.tld/path/?query=value#hash)
 [link](javascript:alert('xss'))
-[link](other://test.tld/path/?query=value#hash)
\ No newline at end of file
+[link](other://test.tld/path/?query=value#hash)
diff --git a/tests/ThemeUtilsTest.php b/tests/render/ThemeUtilsTest.php
index e44564be..58e3426b 100644
--- a/tests/ThemeUtilsTest.php
+++ b/tests/render/ThemeUtilsTest.php
@@ -1,13 +1,13 @@
 <?php
 
-namespace Shaarli;
+namespace Shaarli\Render;
 
 /**
  * Class ThemeUtilsTest
  *
  * @package Shaarli
  */
-class ThemeUtilsTest extends \PHPUnit_Framework_TestCase
+class ThemeUtilsTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * Test getThemes() with existing theme directories.
diff --git a/tests/security/LoginManagerTest.php b/tests/security/LoginManagerTest.php
index b9ab5ec4..7b0262b3 100644
--- a/tests/security/LoginManagerTest.php
+++ b/tests/security/LoginManagerTest.php
@@ -2,7 +2,8 @@
 namespace Shaarli\Security;
 
 require_once 'tests/utils/FakeConfigManager.php';
-use \PHPUnit\Framework\TestCase;
+
+use PHPUnit\Framework\TestCase;
 
 /**
  * Test coverage for LoginManager
diff --git a/tests/security/SessionManagerTest.php b/tests/security/SessionManagerTest.php
index 9bd868f8..f264505e 100644
--- a/tests/security/SessionManagerTest.php
+++ b/tests/security/SessionManagerTest.php
@@ -5,9 +5,8 @@ require_once 'tests/utils/FakeConfigManager.php';
 require_once 'tests/utils/ReferenceSessionIdHashes.php';
 ReferenceSessionIdHashes::genAllHashes();
 
-use \Shaarli\Security\SessionManager;
-use \PHPUnit\Framework\TestCase;
-
+use PHPUnit\Framework\TestCase;
+use Shaarli\Security\SessionManager;
 
 /**
  * Test coverage for SessionManager
diff --git a/tests/Updater/DummyUpdater.php b/tests/updater/DummyUpdater.php
index a0be4413..9e866f1f 100644
--- a/tests/Updater/DummyUpdater.php
+++ b/tests/updater/DummyUpdater.php
@@ -1,10 +1,15 @@
 <?php
+namespace Shaarli\Updater;
 
-require_once 'application/Updater.php';
+use Exception;
+use ReflectionClass;
+use ReflectionMethod;
+use Shaarli\Bookmark\LinkDB;
+use Shaarli\Config\ConfigManager;
 
 /**
  * Class DummyUpdater.
- * Extends Updater to add update method designed for unit tests.
+ * Extends updater to add update method designed for unit tests.
  */
 class DummyUpdater extends Updater
 {
@@ -31,7 +36,7 @@ class DummyUpdater extends Updater
      *
      * @return bool true.
      */
-    private final function updateMethodDummy1()
+    final private function updateMethodDummy1()
     {
         return true;
     }
@@ -41,7 +46,7 @@ class DummyUpdater extends Updater
      *
      * @return bool true.
      */
-    private final function updateMethodDummy2()
+    final private function updateMethodDummy2()
     {
         return true;
     }
@@ -51,7 +56,7 @@ class DummyUpdater extends Updater
      *
      * @return bool true.
      */
-    private final function updateMethodDummy3()
+    final private function updateMethodDummy3()
     {
         return true;
     }
@@ -61,7 +66,7 @@ class DummyUpdater extends Updater
      *
      * @throws Exception error.
      */
-    private final function updateMethodException()
+    final private function updateMethodException()
     {
         throw new Exception('whatever');
     }
diff --git a/tests/Updater/UpdaterTest.php b/tests/updater/UpdaterTest.php
index 94e3c7d3..d7df5963 100644
--- a/tests/Updater/UpdaterTest.php
+++ b/tests/updater/UpdaterTest.php
@@ -1,16 +1,24 @@
 <?php
+namespace Shaarli\Updater;
+
+use DateTime;
+use Exception;
+use Shaarli\Bookmark\LinkDB;
 use Shaarli\Config\ConfigJson;
 use Shaarli\Config\ConfigManager;
 use Shaarli\Config\ConfigPhp;
+use Shaarli\Thumbnailer;
 
-require_once 'tests/Updater/DummyUpdater.php';
+require_once 'application/updater/UpdaterUtils.php';
+require_once 'tests/updater/DummyUpdater.php';
+require_once 'tests/utils/ReferenceLinkDB.php';
 require_once 'inc/rain.tpl.class.php';
 
 /**
  * Class UpdaterTest.
- * Runs unit tests against the Updater class.
+ * Runs unit tests against the updater class.
  */
-class UpdaterTest extends PHPUnit_Framework_TestCase
+class UpdaterTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @var string Path to test datastore.
@@ -20,7 +28,7 @@ class UpdaterTest extends PHPUnit_Framework_TestCase
     /**
      * @var string Config file path (without extension).
      */
-    protected static $configFile = 'tests/utils/config/configJson';
+    protected static $configFile = 'sandbox/config';
 
     /**
      * @var ConfigManager
@@ -32,6 +40,7 @@ class UpdaterTest extends PHPUnit_Framework_TestCase
      */
     public function setUp()
     {
+        copy('tests/utils/config/configJson.json.php', self::$configFile .'.json.php');
         $this->conf = new ConfigManager(self::$configFile);
     }
 
@@ -151,7 +160,7 @@ class UpdaterTest extends PHPUnit_Framework_TestCase
     /**
      * Test Update failed.
      *
-     * @expectedException UpdaterException
+     * @expectedException \Exception
      */
     public function testUpdateFailed()
     {
@@ -177,17 +186,17 @@ class UpdaterTest extends PHPUnit_Framework_TestCase
         $this->conf->setConfigFile('tests/utils/config/configPhp');
         $this->conf->reset();
 
-        $optionsFile = 'tests/Updater/options.php';
+        $optionsFile = 'tests/updater/options.php';
         $options = '<?php
 $GLOBALS[\'privateLinkByDefault\'] = true;';
         file_put_contents($optionsFile, $options);
 
         // tmp config file.
-        $this->conf->setConfigFile('tests/Updater/config');
+        $this->conf->setConfigFile('tests/updater/config');
 
         // merge configs
         $updater = new Updater(array(), array(), $this->conf, true);
-        // This writes a new config file in tests/Updater/config.php
+        // This writes a new config file in tests/updater/config.php
         $updater->updateMethodMergeDeprecatedConfigFile();
 
         // make sure updated field is changed
@@ -214,7 +223,7 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
      */
     public function testRenameDashTags()
     {
-        $refDB = new ReferenceLinkDB();
+        $refDB = new \ReferenceLinkDB();
         $refDB->write(self::$testDatastore);
         $linkDB = new LinkDB(self::$testDatastore, true, false);
 
@@ -360,7 +369,7 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
                 'private' => true,
             ),
         );
-        $refDB = new ReferenceLinkDB();
+        $refDB = new \ReferenceLinkDB();
         $refDB->setLinks($links);
         $refDB->write(self::$testDatastore);
         $linkDB = new LinkDB(self::$testDatastore, true, false);
@@ -391,20 +400,32 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
         $this->assertEquals('Naming conventions... #private', $linkDB[0]['description']);
         $this->assertEquals('samba cartoon web', $linkDB[0]['tags']);
         $this->assertTrue($linkDB[0]['private']);
-        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_142300'), $linkDB[0]['created']);
+        $this->assertEquals(
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_142300'),
+            $linkDB[0]['created']
+        );
 
         $this->assertTrue(isset($linkDB[1]));
         $this->assertFalse(isset($linkDB[1]['linkdate']));
         $this->assertEquals(1, $linkDB[1]['id']);
         $this->assertEquals('UserFriendly - Samba', $linkDB[1]['title']);
-        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_172539'), $linkDB[1]['created']);
+        $this->assertEquals(
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_172539'),
+            $linkDB[1]['created']
+        );
 
         $this->assertTrue(isset($linkDB[2]));
         $this->assertFalse(isset($linkDB[2]['linkdate']));
         $this->assertEquals(2, $linkDB[2]['id']);
         $this->assertEquals('Geek and Poke', $linkDB[2]['title']);
-        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_182539'), $linkDB[2]['created']);
-        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_190301'), $linkDB[2]['updated']);
+        $this->assertEquals(
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_182539'),
+            $linkDB[2]['created']
+        );
+        $this->assertEquals(
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_190301'),
+            $linkDB[2]['updated']
+        );
     }
 
     /**
@@ -412,7 +433,7 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
      */
     public function testDatastoreIdsNothingToDo()
     {
-        $refDB = new ReferenceLinkDB();
+        $refDB = new \ReferenceLinkDB();
         $refDB->write(self::$testDatastore);
         $linkDB = new LinkDB(self::$testDatastore, true, false);
 
@@ -684,4 +705,111 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
         $this->assertEquals(4194304, $this->conf->get('general.download_max_size'));
         $this->assertEquals(3, $this->conf->get('general.download_timeout'));
     }
+
+    /**
+<<<<<<< HEAD
+     * Test updateMethodWebThumbnailer with thumbnails enabled.
+     */
+    public function testUpdateMethodWebThumbnailerEnabled()
+    {
+        $this->conf->remove('thumbnails');
+        $this->conf->set('thumbnail.enable_thumbnails', true);
+        $updater = new Updater([], [], $this->conf, true, $_SESSION);
+        $this->assertTrue($updater->updateMethodWebThumbnailer());
+        $this->assertFalse($this->conf->exists('thumbnail'));
+        $this->assertEquals(\Shaarli\Thumbnailer::MODE_ALL, $this->conf->get('thumbnails.mode'));
+        $this->assertEquals(125, $this->conf->get('thumbnails.width'));
+        $this->assertEquals(90, $this->conf->get('thumbnails.height'));
+        $this->assertContains('You have enabled or changed thumbnails', $_SESSION['warnings'][0]);
+    }
+
+    /**
+     * Test updateMethodWebThumbnailer with thumbnails disabled.
+     */
+    public function testUpdateMethodWebThumbnailerDisabled()
+    {
+        $this->conf->remove('thumbnails');
+        $this->conf->set('thumbnail.enable_thumbnails', false);
+        $updater = new Updater([], [], $this->conf, true, $_SESSION);
+        $this->assertTrue($updater->updateMethodWebThumbnailer());
+        $this->assertFalse($this->conf->exists('thumbnail'));
+        $this->assertEquals(Thumbnailer::MODE_NONE, $this->conf->get('thumbnails.mode'));
+        $this->assertEquals(125, $this->conf->get('thumbnails.width'));
+        $this->assertEquals(90, $this->conf->get('thumbnails.height'));
+        $this->assertTrue(empty($_SESSION['warnings']));
+    }
+
+    /**
+     * Test updateMethodWebThumbnailer with thumbnails disabled.
+     */
+    public function testUpdateMethodWebThumbnailerNothingToDo()
+    {
+        $updater = new Updater([], [], $this->conf, true, $_SESSION);
+        $this->assertTrue($updater->updateMethodWebThumbnailer());
+        $this->assertFalse($this->conf->exists('thumbnail'));
+        $this->assertEquals(Thumbnailer::MODE_COMMON, $this->conf->get('thumbnails.mode'));
+        $this->assertEquals(90, $this->conf->get('thumbnails.width'));
+        $this->assertEquals(53, $this->conf->get('thumbnails.height'));
+        $this->assertTrue(empty($_SESSION['warnings']));
+    }
+
+    /**
+     * Test updateMethodSetSticky().
+     */
+    public function testUpdateStickyValid()
+    {
+        $blank = [
+            'id' => 1,
+            'url' => 'z',
+            'title' => '',
+            'description' => '',
+            'tags' => '',
+            'created' => new DateTime(),
+        ];
+        $links = [
+            1 => ['id' => 1] + $blank,
+            2 => ['id' => 2] + $blank,
+        ];
+        $refDB = new \ReferenceLinkDB();
+        $refDB->setLinks($links);
+        $refDB->write(self::$testDatastore);
+        $linkDB = new LinkDB(self::$testDatastore, true, false);
+
+        $updater = new Updater(array(), $linkDB, $this->conf, true);
+        $this->assertTrue($updater->updateMethodSetSticky());
+
+        $linkDB = new LinkDB(self::$testDatastore, true, false);
+        foreach ($linkDB as $link) {
+            $this->assertFalse($link['sticky']);
+        }
+    }
+
+    /**
+     * Test updateMethodSetSticky().
+     */
+    public function testUpdateStickyNothingToDo()
+    {
+        $blank = [
+            'id' => 1,
+            'url' => 'z',
+            'title' => '',
+            'description' => '',
+            'tags' => '',
+            'created' => new DateTime(),
+        ];
+        $links = [
+            1 => ['id' => 1, 'sticky' => true] + $blank,
+            2 => ['id' => 2] + $blank,
+        ];
+        $refDB = new \ReferenceLinkDB();
+        $refDB->setLinks($links);
+        $refDB->write(self::$testDatastore);
+        $linkDB = new LinkDB(self::$testDatastore, true, false);
+
+        $updater = new Updater(array(), $linkDB, $this->conf, true);
+        $this->assertTrue($updater->updateMethodSetSticky());
+
+        $linkDB = new LinkDB(self::$testDatastore, true, false);
+        $this->assertTrue($linkDB[1]['sticky']);
+    }
 }
diff --git a/tests/utils/CurlUtils.php b/tests/utils/CurlUtils.php
new file mode 100644
index 00000000..1cc4907e
--- /dev/null
+++ b/tests/utils/CurlUtils.php
@@ -0,0 +1,94 @@
+<?php
+/**
+ * Old-style mock for cURL, as PHPUnit doesn't allow to mock global functions
+ */
+
+/**
+ * Returns code 200 or html content type.
+ *
+ * @param resource $ch   cURL resource
+ * @param int      $type cURL info type
+ *
+ * @return int|string 200 or 'text/html'
+ */
+function ut_curl_getinfo_ok($ch, $type)
+{
+    switch ($type) {
+        case CURLINFO_RESPONSE_CODE:
+            return 200;
+        case CURLINFO_CONTENT_TYPE:
+            return 'text/html; charset=utf-8';
+    }
+}
+
+/**
+ * Returns code 200 or html content type without charset.
+ *
+ * @param resource $ch   cURL resource
+ * @param int      $type cURL info type
+ *
+ * @return int|string 200 or 'text/html'
+ */
+function ut_curl_getinfo_no_charset($ch, $type)
+{
+    switch ($type) {
+        case CURLINFO_RESPONSE_CODE:
+            return 200;
+        case CURLINFO_CONTENT_TYPE:
+            return 'text/html';
+    }
+}
+
+/**
+ * Invalid response code.
+ *
+ * @param resource $ch   cURL resource
+ * @param int      $type cURL info type
+ *
+ * @return int|string 404 or 'text/html'
+ */
+function ut_curl_getinfo_rc_ko($ch, $type)
+{
+    switch ($type) {
+        case CURLINFO_RESPONSE_CODE:
+            return 404;
+        case CURLINFO_CONTENT_TYPE:
+            return 'text/html; charset=utf-8';
+    }
+}
+
+/**
+ * Invalid content type.
+ *
+ * @param resource $ch   cURL resource
+ * @param int      $type cURL info type
+ *
+ * @return int|string 200 or 'text/plain'
+ */
+function ut_curl_getinfo_ct_ko($ch, $type)
+{
+    switch ($type) {
+        case CURLINFO_RESPONSE_CODE:
+            return 200;
+        case CURLINFO_CONTENT_TYPE:
+            return 'text/plain';
+    }
+}
+
+/**
+ * Invalid response code and content type.
+ *
+ * @param resource $ch   cURL resource
+ * @param int      $type cURL info type
+ *
+ * @return int|string 404 or 'text/plain'
+ */
+function ut_curl_getinfo_rs_ct_ko($ch, $type)
+{
+    switch ($type) {
+        case CURLINFO_RESPONSE_CODE:
+            return 404;
+        case CURLINFO_CONTENT_TYPE:
+            return 'text/plain';
+    }
+}
diff --git a/tests/utils/FakeApplicationUtils.php b/tests/utils/FakeApplicationUtils.php
new file mode 100644
index 00000000..de83d598
--- /dev/null
+++ b/tests/utils/FakeApplicationUtils.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Shaarli;
+
+/**
+ * Fake ApplicationUtils class to avoid HTTP requests
+ */
+class FakeApplicationUtils extends ApplicationUtils
+{
+    public static $VERSION_CODE = '';
+
+    /**
+     * Toggle HTTP requests, allow overriding the version code
+     */
+    public static function getVersion($url, $timeout = 0)
+    {
+        return self::$VERSION_CODE;
+    }
+}
diff --git a/tests/utils/ReferenceHistory.php b/tests/utils/ReferenceHistory.php
index 75cbb326..e411c417 100644
--- a/tests/utils/ReferenceHistory.php
+++ b/tests/utils/ReferenceHistory.php
@@ -1,5 +1,8 @@
 <?php
 
+use Shaarli\FileUtils;
+use Shaarli\History;
+
 /**
  * Populates a reference history
  */
diff --git a/tests/utils/ReferenceLinkDB.php b/tests/utils/ReferenceLinkDB.php
index e887aa78..c12bcb67 100644
--- a/tests/utils/ReferenceLinkDB.php
+++ b/tests/utils/ReferenceLinkDB.php
@@ -1,10 +1,13 @@
 <?php
+
+use Shaarli\Bookmark\LinkDB;
+
 /**
  * Populates a reference datastore to test LinkDB
  */
 class ReferenceLinkDB
 {
-    public static $NB_LINKS_TOTAL = 9;
+    public static $NB_LINKS_TOTAL = 11;
 
     private $_links = array();
     private $_publicCount = 0;
@@ -16,6 +19,32 @@ class ReferenceLinkDB
     public function __construct()
     {
         $this->addLink(
+            11,
+            'Pined older',
+            '?PCRizQ',
+            'This is an older pinned link',
+            0,
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20100309_101010'),
+            '',
+            null,
+            'PCRizQ',
+            true
+        );
+
+        $this->addLink(
+            10,
+            'Pined',
+            '?0gCTjQ',
+            'This is a pinned link',
+            0,
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121207_152312'),
+            '',
+            null,
+            '0gCTjQ',
+            true
+        );
+
+        $this->addLink(
             41,
             'Link title: @website',
             '?WDWyig',
@@ -114,8 +143,18 @@ class ReferenceLinkDB
     /**
      * Adds a new link
      */
-    protected function addLink($id, $title, $url, $description, $private, $date, $tags, $updated = '', $shorturl = '')
-    {
+    protected function addLink(
+        $id,
+        $title,
+        $url,
+        $description,
+        $private,
+        $date,
+        $tags,
+        $updated = '',
+        $shorturl = '',
+        $pinned = false
+    ) {
         $link = array(
             'id' => $id,
             'title' => $title,
@@ -126,6 +165,7 @@ class ReferenceLinkDB
             'created' => $date,
             'updated' => $updated,
             'shorturl' => $shorturl ? $shorturl : smallHash($date->format(LinkDB::LINK_DATE_FORMAT) . $id),
+            'sticky' => $pinned
         );
         $this->_links[$id] = $link;
 
@@ -164,7 +204,11 @@ class ReferenceLinkDB
 
         $order = $order === 'ASC' ? -1 : 1;
         // Reorder array by dates.
-        usort($this->_links, function($a, $b) use ($order) {
+        usort($this->_links, function ($a, $b) use ($order) {
+            if (isset($a['sticky']) && isset($b['sticky']) && $a['sticky'] !== $b['sticky']) {
+                return $a['sticky'] ? -1 : 1;
+            }
+
             return $a['created'] < $b['created'] ? 1 * $order : -1 * $order;
         });
     }
diff --git a/tests/utils/config/configJson.json.php b/tests/utils/config/configJson.json.php
index 9c9288f3..1549ddfc 100644
--- a/tests/utils/config/configJson.json.php
+++ b/tests/utils/config/configJson.json.php
@@ -1,35 +1,84 @@
 <?php /*
 {
     "credentials": {
-        "login":"root",
-        "hash":"hash",
-        "salt":"salt"
+        "login": "root",
+        "hash": "hash",
+        "salt": "salt"
     },
     "security": {
-        "session_protection_disabled":false
+        "session_protection_disabled": false,
+        "ban_after": 4,
+        "ban_duration": 1800,
+        "open_shaarli": false,
+        "allowed_protocols": [
+            "ftp",
+            "ftps",
+            "magnet"
+        ]
     },
     "general": {
-        "timezone":"Europe\/Paris",
+        "timezone": "Europe\/Paris",
         "title": "Shaarli",
-        "header_link": "?"
+        "header_link": "?",
+        "links_per_page": 20,
+        "enabled_plugins": [
+            "qrcode"
+        ],
+        "default_note_title": "Note: "
     },
     "privacy": {
-        "default_private_links":true
+        "default_private_links": true,
+        "hide_public_links": false,
+        "force_login": false,
+        "hide_timestamps": false,
+        "remember_user_default": true
     },
     "redirector": {
-        "url":"lala"
+        "url": "lala",
+        "encode_url": true
     },
     "config": {
         "foo": "bar"
     },
     "resource": {
         "datastore": "tests\/utils\/config\/datastore.php",
-        "data_dir": "sandbox/",
-        "raintpl_tpl": "tpl/"
+        "data_dir": "sandbox\/",
+        "raintpl_tpl": "tpl\/",
+        "config": "data\/config.php",
+        "ban_file": "data\/ipbans.php",
+        "updates": "data\/updates.txt",
+        "log": "data\/log.txt",
+        "update_check": "data\/lastupdatecheck.txt",
+        "history": "data\/history.php",
+        "theme": "default",
+        "raintpl_tmp": "tmp\/",
+        "thumbnails_cache": "cache",
+        "page_cache": "pagecache"
     },
     "plugins": {
         "WALLABAG_VERSION": 1
+    },
+    "dev": {
+        "debug": true
+    },
+    "updates": {
+        "check_updates": false,
+        "check_updates_branch": "stable",
+        "check_updates_interval": 86400
+    },
+    "feed": {
+        "rss_permalinks": true,
+        "show_atom": true
+    },
+    "translation": {
+        "language": "auto",
+        "mode": "php",
+        "extensions": []
+    },
+    "thumbnails": {
+        "mode": "common",
+        "width": 90,
+        "height": 53
     }
 }
 */ ?>
-
diff --git a/tests/utils/config/configPhp.php b/tests/utils/config/configPhp.php
index 0e034175..7dc81e22 100644
--- a/tests/utils/config/configPhp.php
+++ b/tests/utils/config/configPhp.php
@@ -1,4 +1,4 @@
-<?php 
+<?php
 $GLOBALS['login'] = 'root';
 $GLOBALS['hash'] = 'hash';
 $GLOBALS['salt'] = 'salt';
@@ -8,7 +8,7 @@ $GLOBALS['titleLink'] = 'titleLink';
 $GLOBALS['redirector'] = 'lala';
 $GLOBALS['disablesessionprotection'] = false;
 $GLOBALS['privateLinkByDefault'] = false;
-$GLOBALS['config']['DATADIR'] = 'tests/Updater';
+$GLOBALS['config']['DATADIR'] = 'tests/updater';
 $GLOBALS['config']['PAGECACHE'] = 'sandbox/pagecache';
 $GLOBALS['config']['DATASTORE'] = 'data/datastore.php';
 $GLOBALS['plugins']['WALLABAG_VERSION'] = '1';
diff --git a/tests/utils/config/wt.json b/tests/utils/config/wt.json
new file mode 100644
index 00000000..69ce49a6
--- /dev/null
+++ b/tests/utils/config/wt.json
@@ -0,0 +1,12 @@
+{
+  "settings": {
+    "default": {
+      "_comment": "infinite cache",
+      "cache_duration": -1,
+      "timeout": 10
+    },
+    "path": {
+      "cache": "sandbox/"
+    }
+  }
+}
\ No newline at end of file