Add tagged services for import

- list services in /import
- add url to import service
- ImportBundle routing are now prefixed by /import
- optimize flush in each import (flushing each 20 contents)
- improve design of each import
- add more tests

src/Wallabag/ImportBundle/Tests/Controller/PocketControllerTest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Wallabag\ImportBundle\Tests\Controller;
+
+use Wallabag\CoreBundle\Tests\WallabagCoreTestCase;
+
+class PocketControllerTest extends WallabagCoreTestCase
+{
+    public function testImportPocket()
+    {
+        $this->logInAs('admin');
+        $client = $this->getClient();
+
+        $crawler = $client->request('GET', '/import/pocket');
+
+        $this->assertEquals(200, $client->getResponse()->getStatusCode());
+        $this->assertEquals(1, $crawler->filter('button[type=submit]')->count());
+    }
+
+    public function testImportPocketAuth()
+    {
+        $this->logInAs('admin');
+        $client = $this->getClient();
+
+        $crawler = $client->request('GET', '/import/pocket/auth');
+
+        $this->assertEquals(301, $client->getResponse()->getStatusCode());
+        $this->assertContains('getpocket.com/auth/authorize', $client->getResponse()->headers->get('location'));
+    }
+
+    public function testImportPocketCallbackWithBadToken()
+    {
+        $this->logInAs('admin');
+        $client = $this->getClient();
+
+        $crawler = $client->request('GET', '/import/pocket/callback');
+
+        $this->assertEquals(302, $client->getResponse()->getStatusCode());
+        $this->assertContains('import/pocket', $client->getResponse()->headers->get('location'));
+        $this->assertEquals('Import failed, please try again.', $client->getContainer()->get('session')->getFlashBag()->peek('notice')[0]);
+    }
+}