138 lines
4.9 KiB
Python
138 lines
4.9 KiB
Python
# All rights reserved.
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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 six
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import mock
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from neutron_lib.callbacks import events
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from neutron_lib.callbacks import resources
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from neutron_lib import fixture
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from neutron_lib import worker
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from neutron_lib.tests import _base as base
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class _BaseWorker(worker.BaseWorker):
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def reset(self):
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pass
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def stop(self):
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pass
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def wait(self):
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pass
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# Same as _BaseWorker, but looks like a process launch instead of eventlet
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class _ProcWorker(_BaseWorker):
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def __init__(self, worker_process_count=1, set_proctitle='on'):
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super(_ProcWorker, self).__init__(worker_process_count, set_proctitle)
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self._my_pid = -1 # make it appear to be a separate process
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class TestBaseWorker(base.BaseTestCase):
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def setUp(self):
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super(TestBaseWorker, self).setUp()
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self._reg = mock.Mock()
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self.useFixture(fixture.CallbackRegistryFixture(
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callback_manager=self._reg))
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def test_worker_process_count(self):
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self.assertEqual(9, _BaseWorker(
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worker_process_count=9).worker_process_count)
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def test_start_callback_event(self):
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base_worker = _BaseWorker()
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base_worker.start()
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self._reg.notify.assert_called_once_with(
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resources.PROCESS, events.AFTER_INIT, base_worker.start)
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# Forked workers, should call setproctitle
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def test_proctitle_default(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker().start()
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six.assertRegex(self, spt.call_args[0][0],
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'^neutron-server: _ProcWorker \(.*python.*\)$')
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def test_proctitle_custom_desc(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker().start(desc="fancy title")
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six.assertRegex(self, spt.call_args[0][0],
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'^neutron-server: fancy title \(.*python.*\)$')
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def test_proctitle_custom_name(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker().start(name="tardis")
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six.assertRegex(self, spt.call_args[0][0],
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'^tardis: _ProcWorker \(.*python.*\)$')
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def test_proctitle_empty(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker().start(desc="")
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six.assertRegex(self, spt.call_args[0][0],
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'^neutron-server: _ProcWorker \(.*python.*\)$')
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def test_proctitle_nonstring(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker().start(desc=2)
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six.assertRegex(self, spt.call_args[0][0],
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'^neutron-server: 2 \(.*python.*\)$')
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def test_proctitle_both_empty(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker().start(name="", desc="")
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six.assertRegex(self, spt.call_args[0][0],
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'^: _ProcWorker \(.*python.*\)$')
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def test_proctitle_name_none(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker().start(name=None)
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six.assertRegex(self, spt.call_args[0][0],
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'^None: _ProcWorker \(.*python.*\)$')
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# Forked, but proctitle disabled
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def test_proctitle_off(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker(set_proctitle='off').start()
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self.assertIsNone(spt.call_args)
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# Eventlet style worker, should never call setproctitle
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def test_proctitle_same_process(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_BaseWorker().start()
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self.assertIsNone(spt.call_args)
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def test_setproctitle_on(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker(set_proctitle='on').start(name="foo", desc="bar")
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six.assertRegex(self, spt.call_args[0][0],
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'^foo: bar \(.*python.*\)$')
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def test_setproctitle_off(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker(set_proctitle='off').start(name="foo", desc="bar")
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self.assertIsNone(spt.call_args)
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def test_setproctitle_brief(self):
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with mock.patch('setproctitle.setproctitle') as spt:
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_ProcWorker(set_proctitle='brief').start(name="foo", desc="bar")
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self.assertEqual(spt.call_args[0][0], 'foo: bar')
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