112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
# Copyright 2015 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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import threading
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import fixtures
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from six.moves import mock
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import testtools
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import oslo_messaging
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from oslo_messaging._drivers.zmq_driver import zmq_async
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from oslo_messaging._drivers.zmq_driver import zmq_options
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from oslo_messaging._i18n import _LE
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from oslo_messaging.tests import utils as test_utils
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LOG = logging.getLogger(__name__)
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zmq = zmq_async.import_zmq()
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class TestServerListener(object):
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def __init__(self, driver):
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self.driver = driver
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self.listener = None
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self.executor = zmq_async.get_executor(self._run)
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self._stop = threading.Event()
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self._received = threading.Event()
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self.message = None
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def listen(self, target):
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self.listener = self.driver.listen(target, None,
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None)._poll_style_listener
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self.executor.execute()
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def listen_notifications(self, targets_and_priorities):
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self.listener = self.driver.listen_for_notifications(
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targets_and_priorities, None, None, None)._poll_style_listener
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self.executor.execute()
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def _run(self):
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try:
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messages = self.listener.poll()
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if messages:
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message = messages[0]
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message.acknowledge()
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self._received.set()
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self.message = message
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message.reply(reply=True)
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except Exception:
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LOG.exception(_LE("Unexpected exception occurred."))
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def stop(self):
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self.executor.stop()
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class ZmqBaseTestCase(test_utils.BaseTestCase):
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"""Base test case for all ZMQ tests """
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@testtools.skipIf(zmq is None, "zmq not available")
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def setUp(self):
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super(ZmqBaseTestCase, self).setUp()
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self.messaging_conf.transport_driver = 'zmq'
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zmq_options.register_opts(self.conf, mock.MagicMock())
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# Set config values
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self.internal_ipc_dir = self.useFixture(fixtures.TempDir()).path
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kwargs = {'rpc_zmq_bind_address': '127.0.0.1',
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'rpc_zmq_host': '127.0.0.1',
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'rpc_zmq_ipc_dir': self.internal_ipc_dir,
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'use_pub_sub': False,
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'use_router_proxy': False,
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'rpc_zmq_matchmaker': 'dummy'}
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self.config(group='oslo_messaging_zmq', **kwargs)
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self.config(rpc_response_timeout=5)
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# Get driver
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transport = oslo_messaging.get_transport(self.conf)
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self.driver = transport._driver
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self.listener = TestServerListener(self.driver)
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self.addCleanup(
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StopRpc(self, [('listener', 'stop'), ('driver', 'cleanup')])
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)
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class StopRpc(object):
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def __init__(self, obj, attrs_and_stops):
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self.obj = obj
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self.attrs_and_stops = attrs_and_stops
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def __call__(self):
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for attr, stop in self.attrs_and_stops:
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if hasattr(self.obj, attr):
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obj_attr = getattr(self.obj, attr)
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if hasattr(obj_attr, stop):
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obj_attr_stop = getattr(obj_attr, stop)
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obj_attr_stop()
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