def test_json_to_obj(self):
        """
        test to verify Catalog.json_to_obj() can convert a JSON
        representation of a Catalog to a Catalog object
        """
        # ARRANGE
        catalog_dict = {
            'catalog': 'test_catalog',
            'links': 'test_links'
        }

        catalog_json = json.dumps(catalog_dict)

        expected_catalog_obj = Catalog(catalog='mocked stuff',
                                       links='mocked stuff')
        # ACT
        catalog_resp_obj = Catalog._json_to_obj(catalog_json)
        # ASSERT
        self.assertEqual(expected_catalog_obj, catalog_resp_obj)