protected static function createAuthenticatedClient($username, $options = [], $server = [])
{
$client = static::createClient($options, $server);
$container = $client->getContainer();
$session = $container->get('session');
/** @var $userManager FOSUserBundleDoctrineUserManager */
$userManager = $container->get('fos_user.user_manager');
/** @var $loginManager FOSUserBundleSecurityLoginManager */
$loginManager = $container->get('fos_user.security.login_manager');
$firewallName = $container->getParameter('fos_user.firewall_name');
$user = $userManager->findUserBy(array('username' => $username));
$loginManager->loginUser($firewallName, $user);
// save the login token into the session and put it in a cookie
$container->get('session')->set(
'_security_' . $firewallName,
serialize($container->get('security.context')->getToken())
);
$container->get('session')->save();
$client->getCookieJar()->set(new Cookie($session->getName(), $session->getId()));
return $client;
}
Fonte: https://advancingusability.wordpress.com/2013/11/15/functional-testing-with-authentication-and-symfony-2-3-fosuserbundle/