HelloController.php

<?php
namespace Application\HelloBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;

/** @Service(id="hello_controller") */
class HelloController extends Controller
{
    protected $userRepository;
    protected $logger;
    protected $auth;

    /** @Inject({logger="logger", auth="my_auth_service_id"}) */
    public function __contruct(Logger $logger, Auth $auth)
    {
        $this->logger = $logger;
        $this->auth = $auth;
    }

    /** @Inject("user_repository") */
    public function setUserRepository($userRepository)
    {
        $this->userRepository = $userRepository;
        return $this;
    }

    public function indexAction($name)
    {
        $user = $this->userRepository->findOneByName($name);
        return $this->render('HelloBundle:Hello:index', array('user' => $user));
    }
}

test.php

<?php

$controller = new Controller(new NullLogger(), $this->getMockAuthService());
$controller->setUserRepository($this->getMockUserRepository());

//assert something

UserRepository.php

<?php
namespace Application\HelloBundle\Repository;

use Doctrine\ORM\EntityRepository;

/** @Service(id="user_repository") */
class UserRepository extends EntityRepository
{
    protected $logger;

    /** @Inject("zend.logger") */
    public function setLogger($logger)
    {
        $this->logger = $logger;
        return $this;
    }

    public function createUser($user)
    {
        $this->_em->persist($user);
        $this->logger->info('User ' . $user->getName() . ' successfully persisted.');
    }
}

You also have to declare Logger and Auth namespaces in the controller class file.

Yes, yes, absolutely, this is just for demonstration purposes, but you're right.

Annotations look nice but when it comes to debugging it makes things harder.
And writing $this['service_id'] is much easier than writing injection annotations, constructor/setters and namespaces.

I get the idea of making the controller not container aware, but it's just less usable IMHO.

Well, you're right, but only if you don't test controllers.
Read, the justification in the first message here http://groups.google.com/group/symfony-devs/browse_thread/thread/7766abae81097e9d