assign tags to an entry

src/Wallabag/CoreBundle/Tests/Controller/TagControllerTest.php

@@ -15,4 +15,54 @@ class TagControllerTest extends WallabagCoreTestCase
 
         $this->assertEquals(200, $client->getResponse()->getStatusCode());
     }
+
+    public function testAddTagToEntry()
+    {
+        $this->logInAs('admin');
+        $client = $this->getClient();
+
+        $entry = $client->getContainer()
+            ->get('doctrine.orm.entity_manager')
+            ->getRepository('WallabagCoreBundle:Entry')
+            ->findOneByIsArchived(false);
+
+        $crawler = $client->request('GET', '/view/'.$entry->getId());
+
+        $form = $crawler->filter('button[id=tag_save]')->form();
+
+        $data = array(
+            'tag[label]' => 'opensource',
+        );
+
+        $client->submit($form, $data);
+        $this->assertEquals(302, $client->getResponse()->getStatusCode());
+
+        $this->assertEquals(1, count($entry->getTags()));
+
+        # tag already exists and already assigned
+        $client->submit($form, $data);
+        $this->assertEquals(302, $client->getResponse()->getStatusCode());
+
+        $newEntry = $client->getContainer()
+            ->get('doctrine.orm.entity_manager')
+            ->getRepository('WallabagCoreBundle:Entry')
+            ->findOneById($entry->getId());
+
+        $this->assertEquals(1, count($newEntry->getTags()));
+
+        # tag already exists but still not assigned to this entry
+        $data = array(
+            'tag[label]' => 'foo',
+        );
+
+        $client->submit($form, $data);
+        $this->assertEquals(302, $client->getResponse()->getStatusCode());
+
+        $newEntry = $client->getContainer()
+            ->get('doctrine.orm.entity_manager')
+            ->getRepository('WallabagCoreBundle:Entry')
+            ->findOneById($entry->getId());
+
+        $this->assertEquals(2, count($newEntry->getTags()));
+    }
 }