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# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
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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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##############################################################################
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##############################################################################
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#
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# DO NOT MODIFY THIS FILE
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#
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# This file is being graduated to the oslotest library. Please make all
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# changes there, and only backport critical fixes here. - dhellmann
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#
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##############################################################################
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##############################################################################
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"""Common utilities used in testing"""
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import logging
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import os
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import tempfile
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import fixtures
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import testtools
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_TRUE_VALUES = ('True', 'true', '1', 'yes')
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_LOG_FORMAT = "%(levelname)8s [%(name)s] %(message)s"
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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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self._set_timeout()
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self._fake_output()
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self._fake_logs()
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self.useFixture(fixtures.NestedTempfile())
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self.useFixture(fixtures.TempHomeDir())
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self.tempdirs = []
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def _set_timeout(self):
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test_timeout = os.environ.get('OS_TEST_TIMEOUT', 0)
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try:
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test_timeout = int(test_timeout)
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except ValueError:
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# If timeout value is invalid do not set a timeout.
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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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def _fake_output(self):
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if os.environ.get('OS_STDOUT_CAPTURE') in _TRUE_VALUES:
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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_VALUES:
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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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def _fake_logs(self):
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if os.environ.get('OS_DEBUG') in _TRUE_VALUES:
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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_VALUES
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if capture_logs:
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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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)
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else:
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logging.basicConfig(format=_LOG_FORMAT, level=level)
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def create_tempfiles(self, files, ext='.conf'):
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tempfiles = []
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for (basename, contents) in files:
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if not os.path.isabs(basename):
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(fd, path) = tempfile.mkstemp(prefix=basename, suffix=ext)
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else:
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path = basename + ext
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fd = os.open(path, os.O_CREAT | os.O_WRONLY)
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tempfiles.append(path)
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try:
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os.write(fd, contents)
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finally:
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os.close(fd)
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return tempfiles
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François Magimel