ccc086f374
blueprint remove-mox The last step in removing mox is to remove stubout usage. Lucky for us, the fixtures library, which we are already using, can take on the challenge quite well. Change-Id: Id33cc8988935a1905f9a14351964f0bb24ef82e3
102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010-2011 OpenStack Foundation
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# 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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"""Base Test Case for all Unit Tests"""
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import contextlib
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import logging
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import os
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import eventlet.timeout
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import fixtures
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from oslo.config import cfg
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import testtools
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CONF = cfg.CONF
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TRUE_STRING = ['True', '1']
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LOG_FORMAT = "%(asctime)s %(levelname)8s [%(name)s] %(message)s"
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def fake_use_fatal_exceptions(*args):
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return True
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class BaseTestCase(testtools.TestCase):
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def setUp(self):
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super(BaseTestCase, self).setUp()
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if os.environ.get('OS_DEBUG') in TRUE_STRING:
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_level = logging.DEBUG
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else:
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_level = logging.INFO
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capture_logs = os.environ.get('OS_LOG_CAPTURE') in TRUE_STRING
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if not capture_logs:
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logging.basicConfig(format=LOG_FORMAT, level=_level)
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self.log_fixture = self.useFixture(
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fixtures.FakeLogger(
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format=LOG_FORMAT,
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level=_level,
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nuke_handlers=capture_logs,
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))
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test_timeout = int(os.environ.get('OS_TEST_TIMEOUT', 0))
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if test_timeout == -1:
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test_timeout = 0
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if test_timeout > 0:
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self.useFixture(fixtures.Timeout(test_timeout, gentle=True))
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# If someone does use tempfile directly, ensure that it's cleaned up
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self.useFixture(fixtures.NestedTempfile())
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self.useFixture(fixtures.TempHomeDir())
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self.addCleanup(CONF.reset)
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if os.environ.get('OS_STDOUT_CAPTURE') in TRUE_STRING:
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stdout = self.useFixture(fixtures.StringStream('stdout')).stream
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self.useFixture(fixtures.MonkeyPatch('sys.stdout', stdout))
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if os.environ.get('OS_STDERR_CAPTURE') in TRUE_STRING:
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stderr = self.useFixture(fixtures.StringStream('stderr')).stream
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self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))
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self.useFixture(fixtures.MonkeyPatch(
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'neutron.common.exceptions.NeutronException.use_fatal_exceptions',
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fake_use_fatal_exceptions))
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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 fixtures cleanup process.
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"""
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group = kw.pop('group', None)
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for k, v in kw.iteritems():
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CONF.set_override(k, v, group)
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@contextlib.contextmanager
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def assert_max_execution_time(self, max_execution_time=5):
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with eventlet.timeout.Timeout(max_execution_time, False):
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yield
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return
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self.fail('Execution of this test timed out')
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