designate/designate/tests/test_central/test_decorator.py

76 lines
2.8 KiB
Python

# 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 unittest import mock
from oslo_concurrency import lockutils
from oslo_log import log as logging
from designate.central import service
from designate import exceptions
from designate.objects import record
from designate.objects import zone
from designate.tests.test_central import CentralTestCase
from designate import utils
LOG = logging.getLogger(__name__)
class FakeCoordination(object):
def get_lock(self, name):
return lockutils.lock(name)
class CentralDecoratorTests(CentralTestCase):
def test_synchronized_zone_exception_raised(self):
@service.synchronized_zone()
def mock_get_zone(cls, index, zone):
self.assertEqual(service.ZONE_LOCKS.held, {zone.id})
if index % 3 == 0:
raise exceptions.ZoneNotFound()
for index in range(9):
try:
mock_get_zone(mock.Mock(coordination=FakeCoordination()),
index,
zone.Zone(id=utils.generate_uuid()))
except exceptions.ZoneNotFound:
pass
def test_synchronized_zone_recursive_decorator_call(self):
@service.synchronized_zone()
def mock_create_record(cls, context, record):
self.assertEqual(service.ZONE_LOCKS.held, {record.zone_id})
mock_get_zone(cls, context, zone.Zone(id=record.zone_id))
@service.synchronized_zone()
def mock_get_zone(cls, context, zone):
self.assertEqual(service.ZONE_LOCKS.held, {zone.id})
mock_create_record(mock.Mock(coordination=FakeCoordination()),
self.get_context(),
record=record.Record(zone_id=utils.generate_uuid()))
mock_get_zone(mock.Mock(coordination=FakeCoordination()),
self.get_context(),
zone=zone.Zone(id=utils.generate_uuid()))
def test_synchronized_zone_raises_exception_when_no_zone_provided(self):
@service.synchronized_zone(new_zone=False)
def mock_not_creating_new_zone(cls, context, record):
pass
self.assertRaisesRegex(
Exception,
'Failed to determine zone id for '
'synchronized operation',
mock_not_creating_new_zone, self.get_context(), None
)