109 lines
4.7 KiB
Python
109 lines
4.7 KiB
Python
# (C) Copyright 2019 Fujitsu Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest import mock
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from cassandra.policies import RetryPolicy
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from oslotest import base
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from monasca_persister.repositories.cassandra import retry_policy
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class TestMonascaRetryPolicy(base.BaseTestCase):
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def setUp(self):
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super(TestMonascaRetryPolicy, self).setUp()
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self.monasca_retry_policy = retry_policy.MonascaRetryPolicy(0, 0, 0)
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def tearDown(self):
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super(TestMonascaRetryPolicy, self).tearDown()
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def test_on_read_timeout_when_retry_num_gt_read_attempts(self):
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self.monasca_retry_policy.read_attempts = 0
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retry_num = 1
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rethrow, none = self.monasca_retry_policy.on_read_timeout(mock.Mock(),
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mock.Mock(),
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mock.Mock(),
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0, 0,
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retry_num)
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self.assertEqual(rethrow, RetryPolicy.RETHROW)
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self.assertEqual(none, None)
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def test_on_read_timeout_when_responses_received_gt_required_and_data_retrieved_is_none(self):
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consistency = 'some_value'
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received_responses = 1
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required_responses = 0
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data_retrieved = None
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retry_num = 0
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self.monasca_retry_policy.read_attempts = 1
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returned_retry, returned_consistency = self.monasca_retry_policy. \
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on_read_timeout(mock.Mock(), consistency, required_responses,
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received_responses, data_retrieved, retry_num)
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self.assertEqual(returned_retry, RetryPolicy.RETRY)
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self.assertEqual(consistency, returned_consistency)
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def test_on_read_timeout_if_previous_conditions_not_fulfilled(self):
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consistency = 'some_value'
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received_responses = 1
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required_reponses = 0
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data_retrieved = ['some']
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retry_num = 0
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self.monasca_retry_policy.read_attempts = 1
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returned_rethrow, returned_none = self.monasca_retry_policy. \
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on_read_timeout(mock.Mock(), consistency, required_reponses,
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received_responses, data_retrieved, retry_num)
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self.assertEqual(returned_rethrow, RetryPolicy.RETHROW)
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self.assertEqual(returned_none, None)
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def test_on_write_timeout_if_retry_num_gt_or_eq_write_attempts(self):
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retry_num = 1
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self.monasca_retry_policy.write_attempts = 0
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returned_rethrow, returned_none = self.monasca_retry_policy. \
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on_write_timeout(mock.Mock(), mock.Mock(), mock.Mock(), 0, 0,
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retry_num)
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self.assertEqual(returned_rethrow, RetryPolicy.RETHROW)
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self.assertEqual(returned_none, None)
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def test_on_write_timeout_if_retry_num_lt_write_attempts(self):
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retry_num = 0
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consistency = 0
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self.monasca_retry_policy.write_attempts = 1
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returned_retry, returned_consistency = self.monasca_retry_policy. \
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on_write_timeout(mock.Mock(), consistency, mock.Mock(), 0, 0,
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retry_num)
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self.assertEqual(returned_retry, RetryPolicy.RETRY)
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self.assertEqual(returned_consistency, consistency)
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def test_on_unavailable_if_retry_num_lt_unavailable_attempts(self):
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consistency = 0
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retry_num = 0
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self.monasca_retry_policy.unavailable_attempts = 1
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returned_retry_next_host, returned_consistency = \
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self.monasca_retry_policy.on_unavailable(mock.Mock(),
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consistency, 0, 0, retry_num)
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self.assertEqual(returned_consistency, consistency)
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self.assertEqual(returned_retry_next_host, RetryPolicy.RETRY_NEXT_HOST)
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def test_on_unavailable_if_retry_num_gt_or_eq_unavailable_attempts(self):
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consistency = 0
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retry_num = 1
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self.monasca_retry_policy.unavailable_attempts = 1
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returned_rethrow, returned_none = \
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self.monasca_retry_policy.on_unavailable(mock.Mock(),
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consistency, 0, 0, retry_num)
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self.assertEqual(returned_none, None)
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self.assertEqual(returned_rethrow, RetryPolicy.RETHROW)
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