def test_wrapping(self):
        test_dict = AttrDict(a=2, b=1)
        class TestWrapper(object):
            def __init__(self, wrappee):
                self.wrappee = wrappee

            def __eq__(self, other):
                return self.wrappee == other.wrappee

        wrapped_dict = resource_client.AttrMappingProxy(test_dict, TestWrapper)
        # Test keys
        self.assertEqual(wrapped_dict.keys(), test_dict.keys())
        # Test key access:
        for key in test_dict:
            self.assertEqual(wrapped_dict[key].wrappee, test_dict[key])
        # Test attribute access
        for key in test_dict:
            self.assertEqual(getattr(wrapped_dict, key).wrappee,
                             getattr(test_dict, key))
        # Test whole dict comparison
        self.assertEqual(wrapped_dict,
                         {k : TestWrapper(v) for k, v in test_dict.items()})