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# Copyright (c) 2015 OpenStack Foundation
# All Rights Reserved.
#
# 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 testtools import testcase
from tooz import coordination
from tooz import tests
class TestSherlockDriver(testcase.TestCase):
def _create_coordinator(self, url="kubernetes://?namespace=fake_name"):
return coordination.get_coordinator(
url, tests.get_random_uuid())
def test_connect_k8s_driver(self):
c = self._create_coordinator()
self.assertIsNone(c.start())
@mock.patch("sherlock.KubernetesLock")
def test_parsing_timeout_settings(self, k8s_mock):
c = self._create_coordinator()
name = tests.get_random_uuid()
blocking_value = False
timeout = 10.1
lock = c.get_lock(name)
with mock.patch.object(
lock, 'acquire', wraps=True, autospec=True,
return_value=mock.Mock()
) as mock_acquire:
with lock(blocking_value, timeout):
mock_acquire.assert_called_once_with(blocking_value, timeout)
k8s_mock.assert_called_once_with(
lock_name=mock.ANY, k8s_namespace='fake_name')
@mock.patch("sherlock.KubernetesLock")
def test_parsing_blocking_settings(self, k8s_mock):
c = self._create_coordinator()
name = tests.get_random_uuid()
blocking_value = True
lock = c.get_lock(name)
with mock.patch.object(
lock, 'acquire', wraps=True, autospec=True,
return_value=mock.Mock()
) as mock_acquire:
with lock(blocking_value):
mock_acquire.assert_called_once_with(blocking_value)
k8s_mock.assert_called_once_with(
lock_name=mock.ANY, k8s_namespace='fake_name')
@mock.patch("sherlock.KubernetesLock")
@mock.patch("sherlock.configure")
def test_parsing_expire_settings(self, conf_mock, k8s_mock):
c = self._create_coordinator()
name = tests.get_random_uuid()
blocking_value = 20
expire_value = 10
lock = c.get_lock(name)
lock.acquire(blocking=blocking_value, expire=expire_value)
k8s_mock.assert_called_once_with(
lock_name=mock.ANY, k8s_namespace='fake_name')
conf_mock.assert_called_once_with(
expire=expire_value,
timeout=blocking_value)
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