EntityUserProvider example

        $em = DoctrineTestHelper::createTestEntityManager();
        $this->createSchema($em);

        $user1 = new User(1, 1, 'user1');
        $user2 = new User(1, 2, 'user2');

        $em->persist($user1);
        $em->persist($user2);
        $em->flush();

        $provider = new EntityUserProvider($this->getManager($em), 'Symfony\Bridge\Doctrine\Tests\Fixtures\User', 'name');

        // try to change the user identity         $user1->name = 'user2';

        $this->assertSame($user1, $provider->refreshUser($user1));
    }

    public function testLoadUserByIdentifier()
    {
        $em = DoctrineTestHelper::createTestEntityManager();
        $this->createSchema($em);