class RetryingAuthenticatorTests(SynchronousTestCase):
"""
Tests for `RetryingAuthenticator`
"""
def setUp(self):
"""
Create RetryingAuthenticator
"""
self.clock = Clock()
self.mock_auth = iMock(IAuthenticator)
self.authenticator = RetryingAuthenticator(self.clock,
self.mock_auth,
max_retries=3,
retry_interval=4)
def test_delegates(self):
"""
`RetryingAuthenticator` calls internal authenticator and returns its result
"""
self.mock_auth.authenticate_tenant.return_value = succeed('result')
d = self.authenticator.authenticate_tenant(23)
self.assertEqual(self.successResultOf(d), 'result')
self.mock_auth.authenticate_tenant.assert_called_once_with(23,
log=None)
def test_retries(self):
"""
`RetryingAuthenticator` retries internal authenticator if it fails
"""
self.mock_auth.authenticate_tenant.side_effect = lambda *a, **kw: fail(
APIError(500, '2'))
d = self.authenticator.authenticate_tenant(23)
# mock_auth is called and there is no result
self.assertNoResult(d)
self.mock_auth.authenticate_tenant.assert_called_once_with(23,
log=None)
# Advance clock and mock_auth is called again
self.clock.advance(4)
self.assertEqual(self.mock_auth.authenticate_tenant.call_count, 2)
self.assertNoResult(d)
# advance clock and mock_auth's success return is propogated
self.mock_auth.authenticate_tenant.side_effect = lambda *a, **kw: succeed(
'result')
self.clock.advance(4)
self.assertEqual(self.successResultOf(d), 'result')
def test_retries_times_out(self):
"""
`RetryingAuthenticator` retries internal authenticator and times out if it
keeps failing for certain period of time
"""
self.mock_auth.authenticate_tenant.side_effect = lambda *a, **kw: fail(
APIError(500, '2'))
d = self.authenticator.authenticate_tenant(23)
self.assertNoResult(d)
self.clock.pump([4] * 4)
f = self.failureResultOf(d, APIError)
self.assertEqual(f.value.code, 500)
def setUp(self):
"""
Create RetryingAuthenticator
"""
self.clock = Clock()
self.mock_auth = iMock(IAuthenticator)
self.authenticator = RetryingAuthenticator(self.clock,
self.mock_auth,
max_retries=3,
retry_interval=4)
class RetryingAuthenticatorTests(TestCase):
"""
Tests for `RetryingAuthenticator`
"""
def setUp(self):
"""
Create RetryingAuthenticator
"""
self.clock = Clock()
self.mock_auth = iMock(IAuthenticator)
self.authenticator = RetryingAuthenticator(
self.clock, self.mock_auth, max_retries=3, retry_interval=4)
def test_delegates(self):
"""
`RetryingAuthenticator` calls internal authenticator and returns its result
"""
self.mock_auth.authenticate_tenant.return_value = succeed('result')
d = self.authenticator.authenticate_tenant(23)
self.assertEqual(self.successResultOf(d), 'result')
self.mock_auth.authenticate_tenant.assert_called_once_with(23, log=None)
def test_retries(self):
"""
`RetryingAuthenticator` retries internal authenticator if it fails
"""
self.mock_auth.authenticate_tenant.side_effect = lambda *a, **kw: fail(APIError(500, '2'))
d = self.authenticator.authenticate_tenant(23)
# mock_auth is called and there is no result
self.assertNoResult(d)
self.mock_auth.authenticate_tenant.assert_called_once_with(23, log=None)
# Advance clock and mock_auth is called again
self.clock.advance(4)
self.assertEqual(self.mock_auth.authenticate_tenant.call_count, 2)
self.assertNoResult(d)
# advance clock and mock_auth's success return is propogated
self.mock_auth.authenticate_tenant.side_effect = lambda *a, **kw: succeed('result')
self.clock.advance(4)
self.assertEqual(self.successResultOf(d), 'result')
def test_retries_times_out(self):
"""
`RetryingAuthenticator` retries internal authenticator and times out if it
keeps failing for certain period of time
"""
self.mock_auth.authenticate_tenant.side_effect = lambda *a, **kw: fail(APIError(500, '2'))
d = self.authenticator.authenticate_tenant(23)
self.assertNoResult(d)
self.clock.pump([4] * 4)
f = self.failureResultOf(d, APIError)
self.assertEqual(f.value.code, 500)
def setUp(self):
"""
Create RetryingAuthenticator
"""
self.clock = Clock()
self.mock_auth = iMock(IAuthenticator)
self.authenticator = RetryingAuthenticator(
self.clock, self.mock_auth, max_retries=3, retry_interval=4)