add new demo symfony files

app/tests/Controller/BlogControllerTest.php

@@ -0,0 +1,98 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Tests\Controller;
+
+use App\Entity\Post;
+use App\Pagination\Paginator;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+/**
+ * Functional test for the controllers defined inside BlogController.
+ *
+ * See https://symfony.com/doc/current/testing.html#functional-tests
+ *
+ * Execute the application tests using this command (requires PHPUnit to be installed):
+ *
+ *     $ cd your-symfony-project/
+ *     $ ./vendor/bin/phpunit
+ */
+class BlogControllerTest extends WebTestCase
+{
+    public function testIndex(): void
+    {
+        $client = static::createClient();
+        $crawler = $client->request('GET', '/en/blog/');
+
+        $this->assertResponseIsSuccessful();
+
+        $this->assertCount(
+            Paginator::PAGE_SIZE,
+            $crawler->filter('article.post'),
+            'The homepage displays the right number of posts.'
+        );
+    }
+
+    public function testRss(): void
+    {
+        $client = static::createClient();
+        $crawler = $client->request('GET', '/en/blog/rss.xml');
+
+        $this->assertResponseHeaderSame('Content-Type', 'text/xml; charset=UTF-8');
+
+        $this->assertCount(
+            Paginator::PAGE_SIZE,
+            $crawler->filter('item'),
+            'The xml file displays the right number of posts.'
+        );
+    }
+
+    /**
+     * This test changes the database contents by creating a new comment. However,
+     * thanks to the DAMADoctrineTestBundle and its PHPUnit listener, all changes
+     * to the database are rolled back when this test completes. This means that
+     * all the application tests begin with the same database contents.
+     */
+    public function testNewComment(): void
+    {
+        $client = static::createClient([], [
+            'PHP_AUTH_USER' => 'john_user',
+            'PHP_AUTH_PW' => 'kitten',
+        ]);
+        $client->followRedirects();
+
+        // Find first blog post
+        $crawler = $client->request('GET', '/en/blog/');
+        $postLink = $crawler->filter('article.post > h2 a')->link();
+
+        $client->click($postLink);
+        $crawler = $client->submitForm('Publish comment', [
+            'comment[content]' => 'Hi, Symfony!',
+        ]);
+
+        $newComment = $crawler->filter('.post-comment')->first()->filter('div > p')->text();
+
+        $this->assertSame('Hi, Symfony!', $newComment);
+    }
+
+    public function testAjaxSearch(): void
+    {
+        $client = static::createClient();
+        $client->xmlHttpRequest('GET', '/en/blog/search', ['q' => 'lorem']);
+
+        $results = json_decode($client->getResponse()->getContent(), true);
+
+        $this->assertResponseHeaderSame('Content-Type', 'application/json');
+        $this->assertCount(1, $results);
+        $this->assertSame('Lorem ipsum dolor sit amet consectetur adipiscing elit', $results[0]['title']);
+        $this->assertSame('Jane Doe', $results[0]['author']);
+    }
+}