+ def wait_for_assignment(self, proxy, attr_name, unassigned=None,
+ timeout=TIMEOUT):
+ deadline = time.time() + timeout
+ while True:
+ loop_timeout = deadline - time.time()
+ if loop_timeout <= 0:
+ self.fail("actor did not assign {} in time".format(attr_name))
+ result = getattr(proxy, attr_name).get(loop_timeout)
+ if result is not unassigned:
+ return result
+
+
+class DriverTestMixin(object):
+ def setUp(self):
+ self.driver_mock = mock.MagicMock(name='driver_mock')
+ super(DriverTestMixin, self).setUp()
+
+ def new_driver(self, auth_kwargs={}, list_kwargs={}, create_kwargs={}):
+ create_kwargs.setdefault('ping_host', '100::')
+ return self.TEST_CLASS(
+ auth_kwargs, list_kwargs, create_kwargs,
+ driver_class=self.driver_mock)
+
+ def driver_method_args(self, method_name):
+ return getattr(self.driver_mock(), method_name).call_args
+
+ def test_driver_create_retry(self):
+ with mock.patch('time.sleep'):
+ driver_mock2 = mock.MagicMock(name='driver_mock2')
+ self.driver_mock.side_effect = (Exception("oops"), driver_mock2)
+ kwargs = {'user_id': 'foo'}
+ driver = self.new_driver(auth_kwargs=kwargs)
+ self.assertTrue(self.driver_mock.called)
+ self.assertIs(driver.real, driver_mock2)