function its_on_registration_init(UserEvent $userEvent, User $user, UrlGeneratorInterface $router, RandomUsernameGenerator $generator)
{
$generator->getUsername()->shouldBeCalled()->willReturn('12345');
$this->beConstructedWith($router, $generator);
$user->setUsername('12345')->shouldBeCalled();
$userEvent->getUser()->shouldBeCalled()->willReturn($user);
$this->onRegistrationInit($userEvent);
}
/**
* take action when registration is initialized
* set the username to a unique id
*
* @param UserEvent $event
*/
public function onRegistrationInit(UserEvent $event)
{
$user = $event->getUser();
$user->setUsername($this->generator->getUsername());
}