create first round of tests for login

Tests/Controller/LoginControllerTest.php

@@ -3,6 +3,7 @@
 namespace Chill\MainBundle\Tests\Controller;
 
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+use Symfony\Component\HttpFoundation\Response;
 
 class LoginControllerTest extends WebTestCase
 {
@@ -10,7 +11,50 @@ class LoginControllerTest extends WebTestCase
     {
         $client = static::createClient();
 
+        //load login page and submit form
         $crawler = $client->request('GET', '/login');
+        $this->assertTrue($client->getResponse()->isSuccessful());
+        
+        $buttonCrawlerNode = $crawler->selectButton('Login');
+        $form = $buttonCrawlerNode->form();
+        
+        $client->submit($form, array(
+           '_username' => 'center a_social',
+           '_password' => 'password'
+        ));
+        
+        //the response is a redirection
+        $this->assertTrue($client->getResponse()->isRedirect());
+        
+        //the response is not a login page, but on a new page
+        $this->assertNotRegExp('/\/login$/', $client->getResponse()
+              ->headers
+              ->get('location'));
+        
+        //on the home page, there must be a logout link
+        $client->followRedirects(true);
+        $crawler = $client->request('GET', '/');
+        
+        $this->assertRegExp('/center a_social/', $client->getResponse()
+                                    ->getContent());
+        $logoutLinkFilter = $crawler->filter('a:contains("Logout")');
+        
+        //check there is > 0 logout link
+        $this->assertGreaterThan(0, $logoutLinkFilter->count());
+        
+        //click on logout link
+        $client->followRedirects(false);
+        $client->click($crawler->selectLink('Logout')->link());
+        
+        $this->assertTrue($client->getResponse()->isRedirect());
+        $client->followRedirect(); #redirect to login page
+        
+        //check we are back on login page
+        $this->assertRegExp('/\/login$/', $client->getResponse()
+              ->headers
+              ->get('location'));
+        
+        
     }
 
 }