DreddHooksHelper.php

<?php

namespace dredd;

use Symfony\Component\BrowserKit\Cookie;
use Symfony\Component\HttpFoundation\Session\Session;
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use AppBundle\Entity\User;
use FOS\UserBundle\Doctrine\UserManager;
/**
 * Class DreddHooksHelper
 * @package dredd
 */
class DreddHooksHelper
{
    private $container;

    public function __construct()
    {
        $loader = require __DIR__.'/../app/autoload.php';
        $kernel = new \AppKernel('dev', true);
        $kernel->loadClassCache();
        $kernel->boot();
        $this->container = $kernel->getContainer();
    }


    public function getUserCookie()
    {
        return $this->getCookie($this->getUser());
    }

    /**
     * @return User
     */
    private function getUser()
    {
        /** @var UserManager $userManager */
        $userManager = $this->container->get('fos_user.user_manager');
        return $userManager->findUserByUsername('test');
    }

    /**
     * @param $user
     * @return Cookie
     */
    private function getCookie(User $user)
    {
        $firewallName = $this->container->getParameter('fos_user.firewall_name');

        $token = new UsernamePasswordToken($user, null, $firewallName, $user->getRoles());
        $this->container->get('security.token_storage')->setToken($token);

        /** @var Session $session */
        $session = $this->container->get('session');
        $session->set(
            '_security_'.$firewallName,
            serialize($this->container->get('security.context')->getToken())
        );

        $session->start();
        $session->save();
        $cookie = new Cookie($session->getName(), $session->getId());

        return $cookie;
    }

}