PHP 5.3+模拟框架：Prophecy

<?phpclass UserTest extends PHPUnit_Framework_TestCase{    private $prophet;    public function testPasswordHashing()    {        $hasher = $this->prophet->prophesize('App\Security\Hasher');        $user   = new App\Entity\User($hasher->reveal());        $hasher->generateHash($user, 'qwerty')->willReturn('hashed_pass');        $user->setPassword('qwerty');        $this->assertEquals('hashed_pass', $user->getPassword());    }    protected function setup()    {        $this->prophet = new \Prophecy\Prophet;    }    protected function tearDown()    {        $this->prophet->checkPredictions();    }}