89d0c2a88c
There was no fixture for using the functions related to timeutils.set_time_override. A fixture is handy because clear_time_override must be done for cleanup. Change-Id: Ifef8d9f20fa9e5aa96ebf5040f290f65b503f0bd
64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
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# Copyright 2015 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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import datetime
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from oslotest import base as test_base
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from oslo_utils import fixture
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from oslo_utils import timeutils
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class TimeFixtureTest(test_base.BaseTestCase):
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def test_set_time_override_using_default(self):
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# When the fixture is used with its default constructor, the
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# override_time is set to the current timestamp.
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# Also, when the fixture is cleaned up, the override_time is reset.
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self.assertIsNone(timeutils.utcnow.override_time)
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with fixture.TimeFixture():
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self.assertIsNotNone(timeutils.utcnow.override_time)
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self.assertIsNone(timeutils.utcnow.override_time)
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def test_set_time_override(self):
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# When the fixture is used to set a time, utcnow returns that time.
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new_time = datetime.datetime(2015, 1, 2, 3, 4, 6, 7)
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self.useFixture(fixture.TimeFixture(new_time))
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self.assertEqual(new_time, timeutils.utcnow())
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# Call again to make sure it keeps returning the same time.
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self.assertEqual(new_time, timeutils.utcnow())
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def test_advance_time_delta(self):
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# advance_time_delta() advances the overridden time by some timedelta.
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new_time = datetime.datetime(2015, 1, 2, 3, 4, 6, 7)
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time_fixture = self.useFixture(fixture.TimeFixture(new_time))
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time_fixture.advance_time_delta(datetime.timedelta(seconds=1))
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expected_time = datetime.datetime(2015, 1, 2, 3, 4, 7, 7)
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self.assertEqual(expected_time, timeutils.utcnow())
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def test_advance_time_seconds(self):
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# advance_time_seconds() advances the overridden time by some number of
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# seconds.
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new_time = datetime.datetime(2015, 1, 2, 3, 4, 6, 7)
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time_fixture = self.useFixture(fixture.TimeFixture(new_time))
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time_fixture.advance_time_seconds(2)
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expected_time = datetime.datetime(2015, 1, 2, 3, 4, 8, 7)
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self.assertEqual(expected_time, timeutils.utcnow())
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