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71 lines
2.1 KiB
71 lines
2.1 KiB
# Copyright (c) 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import contextlib
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import datetime
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import os
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import time
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import unittest
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import common
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from autotest_lib.client.common_lib import time_utils
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@contextlib.contextmanager
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def set_time_zone(tz):
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"""Temporarily set the timezone to the specified value.
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This is needed because the unittest can be run in a server not in PST.
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@param tz: Name of the timezone for test, e.g., US/Pacific
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"""
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old_environ = os.environ.copy()
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try:
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os.environ['TZ'] = tz
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time.tzset()
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yield
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finally:
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os.environ.clear()
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os.environ.update(old_environ)
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time.tzset()
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class time_utils_unittest(unittest.TestCase):
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"""Unittest for time_utils function."""
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TIME_STRING = "2014-08-20 14:23:56"
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TIME_SECONDS = 1408569836
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TIME_OBJ = datetime.datetime(year=2014, month=8, day=20, hour=14,
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minute=23, second=56)
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def test_date_string_to_epoch_time(self):
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"""Test date parsing in date_string_to_epoch_time()."""
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with set_time_zone('US/Pacific'):
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parsed_seconds = time_utils.date_string_to_epoch_time(
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self.TIME_STRING)
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self.assertEqual(self.TIME_SECONDS, parsed_seconds)
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def test_epoch_time_to_date_string(self):
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"""Test function epoch_time_to_date_string."""
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with set_time_zone('US/Pacific'):
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time_string = time_utils.epoch_time_to_date_string(
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self.TIME_SECONDS)
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self.assertEqual(self.TIME_STRING, time_string)
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def test_to_epoch_time_success(self):
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"""Test function to_epoch_time."""
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with set_time_zone('US/Pacific'):
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self.assertEqual(self.TIME_SECONDS,
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time_utils.to_epoch_time(self.TIME_STRING))
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self.assertEqual(self.TIME_SECONDS,
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time_utils.to_epoch_time(self.TIME_OBJ))
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if __name__ == '__main__':
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unittest.main()
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