d873c0d8f5
Waiting on a threading.Event with eventlet can cause busy looping via epoll_wait, see related bug for more details. Change-Id: I007613058a2d21d1712c02fa6d1602b63705c1ab Related-bug: #1518430
85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
# Copyright 2010-2011 OpenStack Foundation
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# Copyright 2013 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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# Copyright 2013 Red Hat, 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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"""Common utilities used in testing"""
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import threading
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from oslo_config import cfg
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from oslo_utils import eventletutils
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from oslotest import base
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TRUE_VALUES = ('true', '1', 'yes')
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class BaseTestCase(base.BaseTestCase):
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def setUp(self, conf=cfg.CONF):
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super(BaseTestCase, self).setUp()
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from oslo_messaging import conffixture
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self.messaging_conf = self.useFixture(conffixture.ConfFixture(conf))
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self.messaging_conf.transport_url = 'fake:/'
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self.conf = self.messaging_conf.conf
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self.conf.project = 'project'
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self.conf.prog = 'prog'
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def config(self, **kw):
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"""Override some configuration values.
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The keyword arguments are the names of configuration options to
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override and their values.
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If a group argument is supplied, the overrides are applied to
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the specified configuration option group.
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All overrides are automatically cleared at the end of the current
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test by the tearDown() method.
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"""
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group = kw.pop('group', None)
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for k, v in kw.items():
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self.conf.set_override(k, v, group)
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class ServerThreadHelper(threading.Thread):
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def __init__(self, server):
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super(ServerThreadHelper, self).__init__()
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self.daemon = True
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self._server = server
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self._stop_event = eventletutils.Event()
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self._start_event = eventletutils.Event()
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def start(self):
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super(ServerThreadHelper, self).start()
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self._start_event.wait()
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def run(self):
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self._server.start()
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self._start_event.set()
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self._stop_event.wait()
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# Check start() does nothing with a running listener
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self._server.start()
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self._server.stop()
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self._server.wait()
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def stop(self):
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self._stop_event.set()
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