Add tests for cassandra/token_range_query_manager.py

Change-Id: Ifd3d2a2604b71a315ae560510b66e6bf9fda7ee2
This commit is contained in:
Arseni Lipinski 2019-04-15 15:17:23 +02:00
parent ca77fb44cd
commit f23adaadc3
1 changed files with 59 additions and 0 deletions

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# (C) Copyright 2019 Fujitsu Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from mock import Mock
from mock import patch
from oslotest import base
from monasca_persister.repositories.cassandra.token_range_query_manager \
import TokenRangeQueryManager
class FakeException(Exception):
pass
class TestTokenRangeQueryManager(base.BaseTestCase):
def setUp(self):
super(TestTokenRangeQueryManager, self).setUp()
self._set_patchers()
self._set_mocks()
cql, result_handler = Mock(), Mock()
self.token_range_query_mgr = TokenRangeQueryManager(cql, result_handler, process_count=1)
def _set_patchers(self):
self.patcher_setup = patch.object(TokenRangeQueryManager, '_setup', return_value=None)
def _set_mocks(self):
self.mock_setup = self.patcher_setup.start()
def tearDown(self):
super(TestTokenRangeQueryManager, self).tearDown()
self.mock_setup.reset_mock()
self.patcher_setup.stop()
def test_close_pool(self):
with patch.object(self.token_range_query_mgr._pool, 'join', side_effect=None):
self.assertIsNone(self.token_range_query_mgr.close_pool())
def test_query(self):
with patch.object(self.token_range_query_mgr._pool, 'map', side_effect=FakeException):
sample_element = Mock()
sample_element.value = 1
token_ring = [sample_element, sample_element]
self.assertRaises(FakeException, self.token_range_query_mgr.query, token_ring)