oslo.messaging/oslo_messaging/tests/drivers/zmq/test_zmq_async.py

94 lines
3.2 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.
import mock
import testtools
from oslo_messaging._drivers.zmq_driver.poller import green_poller
from oslo_messaging._drivers.zmq_driver.poller import threading_poller
from oslo_messaging._drivers.zmq_driver import zmq_async
from oslo_messaging.tests import utils as test_utils
zmq = zmq_async.import_zmq()
class TestImportZmq(test_utils.BaseTestCase):
@testtools.skipIf(zmq is None, "zmq not available")
def setUp(self):
super(TestImportZmq, self).setUp()
def test_when_eventlet_is_available_then_load_eventlet_green_zmq(self):
zmq_async.eventletutils.is_monkey_patched = lambda _: True
mock_try_import = mock.Mock()
zmq_async.importutils.try_import = mock_try_import
zmq_async.import_zmq()
mock_try_import.assert_called_with('eventlet.green.zmq', default=None)
def test_when_evetlet_is_unavailable_then_load_zmq(self):
zmq_async.eventletutils.is_monkey_patched = lambda _: False
mock_try_import = mock.Mock()
zmq_async.importutils.try_import = mock_try_import
zmq_async.import_zmq()
mock_try_import.assert_called_with('zmq', default=None)
class TestGetPoller(test_utils.BaseTestCase):
@testtools.skipIf(zmq is None, "zmq not available")
def setUp(self):
super(TestGetPoller, self).setUp()
def test_when_eventlet_is_available_then_return_GreenPoller(self):
zmq_async.eventletutils.is_monkey_patched = lambda _: True
poller = zmq_async.get_poller()
self.assertTrue(isinstance(poller, green_poller.GreenPoller))
def test_when_eventlet_is_unavailable_then_return_ThreadingPoller(self):
zmq_async.eventletutils.is_monkey_patched = lambda _: False
poller = zmq_async.get_poller()
self.assertTrue(isinstance(poller, threading_poller.ThreadingPoller))
class TestGetExecutor(test_utils.BaseTestCase):
@testtools.skipIf(zmq is None, "zmq not available")
def setUp(self):
super(TestGetExecutor, self).setUp()
def test_when_eventlet_module_is_available_then_return_GreenExecutor(self):
zmq_async.eventletutils.is_monkey_patched = lambda _: True
executor = zmq_async.get_executor('any method')
self.assertTrue(isinstance(executor, green_poller.GreenExecutor))
self.assertEqual('any method', executor._method)
def test_when_eventlet_is_unavailable_then_return_ThreadingExecutor(self):
zmq_async.eventletutils.is_monkey_patched = lambda _: False
executor = zmq_async.get_executor('any method')
self.assertTrue(isinstance(executor,
threading_poller.ThreadingExecutor))
self.assertEqual('any method', executor._method)