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365fe0b3d5
Fixes #2665. Regenerated by tabbott with `lint --fix` after a rebase and change in parameters. Note from tabbott: In a few cases, this converts technical debt in the form of unsorted imports into different technical debt in the form of our largest files having very long, ugly import sequences at the start. I expect this change will increase pressure for us to split those files, which isn't a bad thing. Signed-off-by: Anders Kaseorg <anders@zulip.com>
45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
from datetime import timedelta, timezone
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from dateutil import parser
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from zerver.lib.test_classes import ZulipTestCase
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from zerver.lib.timestamp import (
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TimezoneNotUTCException,
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ceiling_to_hour,
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convert_to_UTC,
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datetime_to_timestamp,
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floor_to_day,
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floor_to_hour,
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timestamp_to_datetime,
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)
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class TestTimestamp(ZulipTestCase):
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def test_datetime_and_timestamp_conversions(self) -> 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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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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def test_convert_to_UTC(self) -> None:
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utc_datetime = parser.parse('2017-01-01 00:00:00.123 UTC')
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for dt in [
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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'),
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parser.parse('2017-01-01 05:00:00.123+05')]:
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self.assertEqual(convert_to_UTC(dt), utc_datetime)
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def test_enforce_UTC(self) -> None:
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non_utc_datetime = parser.parse('2017-01-01 00:00:00.123')
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for function in [floor_to_hour, floor_to_day, ceiling_to_hour, ceiling_to_hour]:
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with self.assertRaises(TimezoneNotUTCException):
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function(non_utc_datetime)
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