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becef760bf
Previous cleanups (mostly the removals of Python __future__ imports) were done in a way that introduced leading newlines. Delete leading newlines from all files, except static/assets/zulip-emoji/NOTICE, which is a verbatim copy of the Apache 2.0 license. Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
41 lines
1.8 KiB
Python
41 lines
1.8 KiB
Python
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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timestamp_to_datetime, datetime_to_timestamp, \
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TimezoneNotUTCException, convert_to_UTC
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from datetime import timedelta
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from dateutil import parser
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import pytz
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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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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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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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