def test_none_response_when_no_matches(self):
delay_function = retryhandler.create_exponential_delay_function( 1, 2)
checker = retryhandler.HTTPStatusCodeChecker(500)
handler = retryhandler.RetryHandler(checker, delay_function)
response = (HTTP_200_RESPONSE, {})
self.assertIsNone(handler(response=response, attempts=1,
caught_exception=None))
def test_action_tied_to_policy(self):
# When a retry rule matches we should return the
# amount of time to sleep, otherwise we should return None.
delay_function = retryhandler.create_exponential_delay_function( 1, 2)
checker = retryhandler.HTTPStatusCodeChecker(500)
handler = retryhandler.RetryHandler(checker, delay_function)
response = (HTTP_500_RESPONSE, {})
self.assertEqual(
handler(response=response, attempts=1, caught_exception=None), 1)
self.assertEqual(
handler(response=response, attempts=2, caught_exception=None), 2)
self.assertEqual(
handler(response=response, attempts=3, caught_exception=None), 4)
self.assertEqual(
handler(response=response, attempts=4, caught_exception=None), 8)
def __init__(self, config, scale):
self._delay = create_exponential_delay_function('rand', 2)
self._attempts = 0
self._max_attempts = config.retries.get('max_attempts', RetryHandler.DEFAULT_RETRIES) if config and config.retries \
else RetryHandler.DEFAULT_RETRIES
self.scale = scale
