Implements Tags endpoints for Shaarli's REST API

Endpoints:

 * List All Tags [GET]
 * Get a tag [GET]
 * Update a tag [PUT]
 * Delete a tag [DELETE]

Fixes #904
References shaarli/api-documentation#34

1 files changed, 218 insertions, 0 deletions

diff --git a/tests/api/controllers/links/PostLinkTest.php b/tests/api/controllers/links/PostLinkTest.php
new file mode 100644
index 00000000..100a9170
--- /dev/null
+++ b/tests/api/controllers/links/PostLinkTest.php
@@ -0,0 +1,218 @@
+<?php
+
+namespace Shaarli\Api\Controllers;
+
+
+use PHPUnit\Framework\TestCase;
+use Shaarli\Config\ConfigManager;
+use Slim\Container;
+use Slim\Http\Environment;
+use Slim\Http\Request;
+use Slim\Http\Response;
+use Slim\Router;
+
+/**
+ * Class PostLinkTest
+ *
+ * Test POST Link REST API service.
+ *
+ * @package Shaarli\Api\Controllers
+ */
+class PostLinkTest extends TestCase
+{
+    /**
+     * @var string datastore to test write operations
+     */
+    protected static $testDatastore = 'sandbox/datastore.php';
+
+    /**
+     * @var string datastore to test write operations
+     */
+    protected static $testHistory = 'sandbox/history.php';
+
+    /**
+     * @var ConfigManager instance
+     */
+    protected $conf;
+
+    /**
+     * @var \ReferenceLinkDB instance.
+     */
+    protected $refDB = null;
+
+    /**
+     * @var \History instance.
+     */
+    protected $history;
+
+    /**
+     * @var Container instance.
+     */
+    protected $container;
+
+    /**
+     * @var Links controller instance.
+     */
+    protected $controller;
+
+    /**
+     * Number of JSON field per link.
+     */
+    const NB_FIELDS_LINK = 9;
+
+    /**
+     * Before every test, instantiate a new Api with its config, plugins and links.
+     */
+    public function setUp()
+    {
+        $this->conf = new ConfigManager('tests/utils/config/configJson.json.php');
+        $this->refDB = new \ReferenceLinkDB();
+        $this->refDB->write(self::$testDatastore);
+
+        $refHistory = new \ReferenceHistory();
+        $refHistory->write(self::$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);
+
+        $this->controller = new Links($this->container);
+
+        $mock = $this->createMock(Router::class);
+        $mock->expects($this->any())
+             ->method('relativePathFor')
+             ->willReturn('api/v1/links/1');
+
+        // affect @property-read... seems to work
+        $this->controller->getCi()->router = $mock;
+
+        // Used by index_url().
+        $this->controller->getCi()['environment'] = [
+            'SERVER_NAME' => 'domain.tld',
+            'SERVER_PORT' => 80,
+            'SCRIPT_NAME' => '/',
+        ];
+    }
+
+    /**
+     * After every test, remove the test datastore.
+     */
+    public function tearDown()
+    {
+        @unlink(self::$testDatastore);
+        @unlink(self::$testHistory);
+    }
+
+    /**
+     * Test link creation without any field: creates a blank note.
+     */
+    public function testPostLinkMinimal()
+    {
+        $env = Environment::mock([
+            'REQUEST_METHOD' => 'POST',
+        ]);
+
+        $request = Request::createFromEnvironment($env);
+
+        $response = $this->controller->postLink($request, new Response());
+        $this->assertEquals(201, $response->getStatusCode());
+        $this->assertEquals('api/v1/links/1', $response->getHeader('Location')[0]);
+        $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->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->assertEquals('', $data['updated']);
+
+        $historyEntry = $this->history->getHistory()[0];
+        $this->assertEquals(\History::CREATED, $historyEntry['event']);
+        $this->assertTrue(
+            (new \DateTime())->add(\DateInterval::createFromDateString('-5 seconds')) < $historyEntry['datetime']
+        );
+        $this->assertEquals(43, $historyEntry['id']);
+    }
+
+    /**
+     * Test link creation with all available fields.
+     */
+    public function testPostLinkFull()
+    {
+        $link = [
+            'url' => 'website.tld/test?foo=bar',
+            'title' => 'new entry',
+            'description' => 'shaare description',
+            'tags' => ['one', 'two'],
+            'private' => true,
+        ];
+        $env = Environment::mock([
+            'REQUEST_METHOD' => 'POST',
+            'CONTENT_TYPE' => 'application/json'
+        ]);
+
+        $request = Request::createFromEnvironment($env);
+        $request = $request->withParsedBody($link);
+        $response = $this->controller->postLink($request, new Response());
+
+        $this->assertEquals(201, $response->getStatusCode());
+        $this->assertEquals('api/v1/links/1', $response->getHeader('Location')[0]);
+        $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->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->assertEquals('', $data['updated']);
+    }
+
+    /**
+     * Test link creation with an existing link (duplicate URL). Should return a 409 HTTP error and the existing link.
+     */
+    public function testPostLinkDuplicate()
+    {
+        $link = [
+            'url' => 'mediagoblin.org/',
+            'title' => 'new entry',
+            'description' => 'shaare description',
+            'tags' => ['one', 'two'],
+            'private' => true,
+        ];
+        $env = Environment::mock([
+            'REQUEST_METHOD' => 'POST',
+            'CONTENT_TYPE' => 'application/json'
+        ]);
+
+        $request = Request::createFromEnvironment($env);
+        $request = $request->withParsedBody($link);
+        $response = $this->controller->postLink($request, new Response());
+
+        $this->assertEquals(409, $response->getStatusCode());
+        $data = json_decode((string) $response->getBody(), true);
+        $this->assertEquals(self::NB_FIELDS_LINK, count($data));
+        $this->assertEquals(7, $data['id']);
+        $this->assertEquals('IuWvgA', $data['shorturl']);
+        $this->assertEquals('http://mediagoblin.org/', $data['url']);
+        $this->assertEquals('MediaGoblin', $data['title']);
+        $this->assertEquals('A free software media publishing platform #hashtagOther', $data['description']);
+        $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(\DateTime::ATOM, $data['created'])
+        );
+        $this->assertEquals(
+            \DateTime::createFromFormat(\LinkDB::LINK_DATE_FORMAT, '20130615_184230'),
+            \DateTime::createFromFormat(\DateTime::ATOM, $data['updated'])
+        );
+    }
+}