49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
# 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 fixtures
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import os
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class Timeout(fixtures.Fixture):
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"""Set the maximum length of time for the test to run.
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Uses OS_TEST_TIMEOUT to get the timeout.
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"""
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def __init__(self, default_timeout=0, scaling_factor=1):
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super(Timeout, self).__init__()
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try:
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self._default_timeout = int(default_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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self._default_timeout = 0
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self._scaling_factor = scaling_factor
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def setUp(self):
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super(Timeout, self).setUp()
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test_timeout = os.environ.get('OS_TEST_TIMEOUT', self._default_timeout)
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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 use the default timeout.
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test_timeout = self._default_timeout
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try:
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scaled_timeout = int(test_timeout * self._scaling_factor)
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except ValueError:
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# If scaling factor is invalid, use the basic test timeout.
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scaled_timeout = test_timeout
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if scaled_timeout > 0:
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self.useFixture(fixtures.Timeout(scaled_timeout, gentle=True))
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