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

171 lines
6.1 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_config_short_names_are_converted_to_correct_module_names(self):
mock_try_import = mock.Mock()
zmq_async.importutils.try_import = mock_try_import
zmq_async.importutils.try_import.return_value = 'mock zmq module'
self.assertEqual('mock zmq module', zmq_async.import_zmq('native'))
mock_try_import.assert_called_with('zmq', default=None)
zmq_async.importutils.try_import.return_value = 'mock eventlet module'
self.assertEqual('mock eventlet module',
zmq_async.import_zmq('eventlet'))
mock_try_import.assert_called_with('eventlet.green.zmq', default=None)
def test_when_no_args_then_default_zmq_module_is_loaded(self):
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_invalid_config_value_raise_ValueError(self):
invalid_opt = 'x'
errmsg = 'Invalid zmq_concurrency value: x'
with self.assertRaisesRegexp(ValueError, errmsg):
zmq_async.import_zmq(invalid_opt)
class TestGetPoller(test_utils.BaseTestCase):
@testtools.skipIf(zmq is None, "zmq not available")
def setUp(self):
super(TestGetPoller, self).setUp()
def test_when_no_arg_to_get_poller_then_return_default_poller(self):
zmq_async._is_eventlet_zmq_available = lambda: True
actual = zmq_async.get_poller()
self.assertTrue(isinstance(actual, green_poller.GreenPoller))
def test_when_native_poller_requested_then_return_ThreadingPoller(self):
actual = zmq_async.get_poller('native')
self.assertTrue(isinstance(actual, threading_poller.ThreadingPoller))
def test_when_eventlet_is_unavailable_then_return_ThreadingPoller(self):
zmq_async._is_eventlet_zmq_available = lambda: False
actual = zmq_async.get_poller('eventlet')
self.assertTrue(isinstance(actual, threading_poller.ThreadingPoller))
def test_when_eventlet_is_available_then_return_GreenPoller(self):
zmq_async._is_eventlet_zmq_available = lambda: True
actual = zmq_async.get_poller('eventlet')
self.assertTrue(isinstance(actual, green_poller.GreenPoller))
def test_invalid_config_value_raise_ValueError(self):
invalid_opt = 'x'
errmsg = 'Invalid zmq_concurrency value: x'
with self.assertRaisesRegexp(ValueError, errmsg):
zmq_async.get_poller(invalid_opt)
class TestGetReplyPoller(test_utils.BaseTestCase):
@testtools.skipIf(zmq is None, "zmq not available")
def setUp(self):
super(TestGetReplyPoller, self).setUp()
def test_default_reply_poller_is_HoldReplyPoller(self):
zmq_async._is_eventlet_zmq_available = lambda: True
actual = zmq_async.get_reply_poller()
self.assertTrue(isinstance(actual, green_poller.HoldReplyPoller))
def test_when_eventlet_is_available_then_return_HoldReplyPoller(self):
zmq_async._is_eventlet_zmq_available = lambda: True
actual = zmq_async.get_reply_poller('eventlet')
self.assertTrue(isinstance(actual, green_poller.HoldReplyPoller))
def test_when_eventlet_is_unavailable_then_return_ThreadingPoller(self):
zmq_async._is_eventlet_zmq_available = lambda: False
actual = zmq_async.get_reply_poller('eventlet')
self.assertTrue(isinstance(actual, threading_poller.ThreadingPoller))
def test_invalid_config_value_raise_ValueError(self):
invalid_opt = 'x'
errmsg = 'Invalid zmq_concurrency value: x'
with self.assertRaisesRegexp(ValueError, errmsg):
zmq_async.get_reply_poller(invalid_opt)
class TestGetExecutor(test_utils.BaseTestCase):
@testtools.skipIf(zmq is None, "zmq not available")
def setUp(self):
super(TestGetExecutor, self).setUp()
def test_default_executor_is_GreenExecutor(self):
zmq_async._is_eventlet_zmq_available = 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_module_is_available_then_return_GreenExecutor(self):
zmq_async._is_eventlet_zmq_available = lambda: True
executor = zmq_async.get_executor('any method', 'eventlet')
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._is_eventlet_zmq_available = lambda: False
executor = zmq_async.get_executor('any method', 'eventlet')
self.assertTrue(isinstance(executor,
threading_poller.ThreadingExecutor))
self.assertEqual('any method', executor._method)
def test_invalid_config_value_raise_ValueError(self):
invalid_opt = 'x'
errmsg = 'Invalid zmq_concurrency value: x'
with self.assertRaisesRegexp(ValueError, errmsg):
zmq_async.get_executor('any method', invalid_opt)