Testing facebook login with FOSFacebookBundle (functional test)

config_test.yml

# ...

fos_facebook:
    class:
        api: Acme\DemoBundle\Test\FacebookSessionPersistenceStub

security:
    firewalls:
        frontend:
            fos_facebook:
                require_previous_session: false

DefaultControllerTest.php

<?php

namespace Acme\DemoBundle\Tests\Controller;

use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;

class DefaultControllerTest extends WebTestCase
{
    public function testLoginOK()
    {
        $client = static::createClient();
        $crawler = $client->request('GET', '/');
        $this->assertTrue($client->getResponse()->isSuccessful());
        $crawler = $client->request('POST', '/loginfb_check');
        $crawler = $client->followRedirect();
        $this->assertTrue($client->getResponse()->isSuccessful());
        $this->assertCount(1, $crawler->filter('strong:contains("Mallo")'));
    }
}

FacebookSessionPersistence.php

<?php

namespace Acme\DemoBundle\Test;

use Symfony\Component\HttpFoundation\Session\Session;

/**
 * Stub of FOS\FacebookBundle\Facebook\FacebookSessionPersistence
 *
 * @codeCoverageIgnore
 * @SuppressWarnings('unused')
 */
class FacebookSessionPersistenceStub extends \BaseFacebook
{
    public function __construct($config, Session $session, $prefix = '')
    {
    }

    public function getLoginUrl($params = array())
    {
        return '';
    }

    public function api()
    {
        return array(
            'id'         => 123456,
            'first_name' => 'Mallo',
            'last_name'  => 'Di Noce',
            'email'      => 'utente_fb@example.org',
        );
    }

    protected function clearAllPersistentData()
    {
    }

    protected function clearPersistentData($key)
    {
    }

    protected function setPersistentData($key, $value)
    {
    }

    protected function getPersistentData($key, $default = false)
    {
        if ($key == 'user_id') {
            return 123456;
        }
    }
}