def METHOD_NAME(self):
    self.assertEqual(
        self._item.db_map_data(self._db_map),
        {
            'name': 'r',
            'id': 2,
            'class_id': 2,
            'class_name': 'rc',
            'object_id_list': (1,),
            'object_name_list': ['o'],
            'object_class_id_list': (1,),
            'commit_id': 2,
        },
    )