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31 lines
1.2 KiB
Python
31 lines
1.2 KiB
Python
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from django.utils.timezone import utc as timezone_utc
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from zerver.lib.test_classes import ZulipTestCase
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from zerver.lib.timestamp import floor_to_hour, floor_to_day, ceiling_to_hour, \
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ceiling_to_day, timestamp_to_datetime, datetime_to_timestamp, \
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TimezoneNotUTCException
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from datetime import datetime, timedelta
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from dateutil import parser
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import pytz
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from six.moves import zip
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class TestTimestamp(ZulipTestCase):
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def test_datetime_and_timestamp_conversions(self):
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# type: () -> None
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timestamp = 1483228800
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for dt in [
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parser.parse('2017-01-01 00:00:00.123 UTC'),
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parser.parse('2017-01-01 00:00:00.123').replace(tzinfo=timezone_utc),
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parser.parse('2017-01-01 00:00:00.123').replace(tzinfo=pytz.utc)]:
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self.assertEqual(timestamp_to_datetime(timestamp), dt-timedelta(microseconds=123000))
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self.assertEqual(datetime_to_timestamp(dt), timestamp)
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for dt in [
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parser.parse('2017-01-01 00:00:00.123+01:00'),
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parser.parse('2017-01-01 00:00:00.123')]:
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with self.assertRaises(TimezoneNotUTCException):
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datetime_to_timestamp(dt)
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