How to use the bigcommerce.api.ApiResourceWrapper function in bigcommerce

def test_str_to_class(self):
        cls = bigcommerce.api.ApiResourceWrapper.str_to_class('ApiResource')
        self.assertEqual(cls, ApiResource)

        self.assertRaises(AttributeError, lambda: bigcommerce.api.ApiResourceWrapper.str_to_class('ApiResourceWhichDoesNotExist'))

def test_create(self):
        api = MagicMock()
        api.connection = MagicMock()

        wrapper = bigcommerce.api.ApiResourceWrapper('ApiResource', api)
        self.assertEqual(api.connection, wrapper.connection)
        self.assertEqual(wrapper.resource_class, ApiResource)

        wrapper = bigcommerce.api.ApiResourceWrapper(ApiResource, api)
        self.assertEqual(wrapper.resource_class, ApiResource)

def test_get_attr(self, patcher):
        api = MagicMock()
        api.connection = MagicMock()

        result = {'id': 1}
        patcher.return_value = result

        wrapper = bigcommerce.api.ApiResourceWrapper('ApiResource', api)
        self.assertEqual(wrapper.get(1), result)
        patcher.assert_called_once_with(1, connection=api.connection)

def test_create(self):
        api = MagicMock()
        api.connection = MagicMock()

        wrapper = bigcommerce.api.ApiResourceWrapper('ApiResource', api)
        self.assertEqual(api.connection, wrapper.connection)
        self.assertEqual(wrapper.resource_class, ApiResource)

        wrapper = bigcommerce.api.ApiResourceWrapper(ApiResource, api)
        self.assertEqual(wrapper.resource_class, ApiResource)

def __getattr__(self, item):
        return ApiResourceWrapper(item, self)