public function testInterface()
{
$post = new Post();
$yesterday = new \DateTime('yesterday');
$now = new \DateTime();
$post->setCreatedAt($yesterday);
$post->setUpdatedAt($now);
$this->assertEquals($yesterday, $post->getCreatedAt());
$this->assertEquals($now, $post->getUpdatedAt());
}
public function testPreUpdate()
{
$subscriber = new TimestampableSubscriber();
$post = new Post();
/** @var ObjectManager $manager */
$manager = $this->getMock('Doctrine\\Common\\Persistence\\ObjectManager');
$event = new LifecycleEventArgs($post, $manager);
$subscriber->preUpdate($event);
$now = new \DateTime();
$this->assertNull($post->getCreatedAt());
$this->assertEquals($post->getUpdatedAt()->format('c'), $now->format('c'));
}