def test_does_quack_model_id_negative(self): NoModelId = type('InvalidModelId', (BaseValid,), {}) assert not _ModelIdMixin._does_quack(NoModelId())
def test_does_quack_model_id_mixin(self): ValidModelId = type('ValidModelId', (_ModelIdValid,), {}) assert _ModelIdMixin._does_quack(ValidModelId())