def test_to_interface_check(self): with self.assertRaises(ValueError): # to_interface is an interface pure_interface.register_adapter(TalkerToSpeaker3, Talker, Talker) with self.assertRaises(ValueError): # to_interface is not concrete pure_interface.register_adapter(TalkerToSpeaker3, Talker, TalkerToSpeaker)
def test_from_type_check(self): with self.assertRaises(ValueError): # must be callable pure_interface.register_adapter(TalkerToSpeaker3, 6, ISpeaker) with self.assertRaises(ValueError): # already adapted pure_interface.register_adapter(TalkerToSpeaker, Talker, ISpeaker)
def test_adapter_check(self): with self.assertRaises(ValueError): pure_interface.register_adapter(5, Talker, ISpeaker)
def test_adapter_call_check(self): pure_interface.register_adapter(bad_adapter, Talker4, ISpeaker) talker = Talker4() with self.assertRaises(ValueError): ISpeaker.adapt(talker, interface_only=False)