def test_immutable_refresh(self, mock_send_request):
model = Immutable()
model.key = 'value'
self.assertFalse(model.refresh(force=False))
self.assertRaises(dockercloud.ApiError, model.refresh, force=True)
Immutable.endpoint = 'resource_uri'
Immutable.subsystem = 'subsystem'
model.resource_uri = 'api/subsystem/%s/resource_uri/uuid' % Immutable._api_version
model._resource_uri = model.resource_uri
mock_send_request.side_effect = [{'newkey': 'newvalue'}, None]
self.assertTrue(model.refresh(force=True))
self.assertEqual('newvalue', model.newkey)
mock_send_request.assert_called_with('GET', model._resource_uri)
self.assertFalse(model.refresh(force=True))
mock_send_request.assert_called_with('GET', model._resource_uri)
