def test_relation_property(self): """ Tests whether the relation property is appropriately retrieved from ResourceMetaClass """ r = Relationship('related') try: x = r.relation assert False except KeyError: assert True mck = mock.MagicMock(registered_names_map={'SomeClass': True}) r = Relationship('related', relation='SomeClass') r._resource_meta_class = mck assert r.relation is True