function it_returns_null_if_authentication_fails(Identifier $identifier, Caller $caller, Authenticator $authenticator)
{
$subject = ['username' => 'john.doe', 'password' => 'secret'];
$identifier->identify($subject)->willReturn($caller);
$authenticator->authenticate($subject, $caller)->willReturn(false);
$this->authenticateAndReturn($subject)->shouldReturn(null);
}
/**
* Authenticates a subject and returns the associated caller
*
* @param array $subject
*
* @return Caller
*/
public function authenticateAndReturn(array $subject)
{
$caller = $this->identifier->identify($subject);
if ($this->authenticator->authenticate($subject, $caller)) {
return $caller;
}
}