166 lines
6.5 KiB
Python
166 lines
6.5 KiB
Python
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import datetime
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from email import utils
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import test.support
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import time
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import unittest
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import sys
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import os.path
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class DateTimeTests(unittest.TestCase):
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datestring = 'Sun, 23 Sep 2001 20:10:55'
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dateargs = (2001, 9, 23, 20, 10, 55)
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offsetstring = ' -0700'
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utcoffset = datetime.timedelta(hours=-7)
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tz = datetime.timezone(utcoffset)
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naive_dt = datetime.datetime(*dateargs)
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aware_dt = datetime.datetime(*dateargs, tzinfo=tz)
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def test_naive_datetime(self):
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self.assertEqual(utils.format_datetime(self.naive_dt),
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self.datestring + ' -0000')
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def test_aware_datetime(self):
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self.assertEqual(utils.format_datetime(self.aware_dt),
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self.datestring + self.offsetstring)
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def test_usegmt(self):
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utc_dt = datetime.datetime(*self.dateargs,
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tzinfo=datetime.timezone.utc)
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self.assertEqual(utils.format_datetime(utc_dt, usegmt=True),
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self.datestring + ' GMT')
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def test_usegmt_with_naive_datetime_raises(self):
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with self.assertRaises(ValueError):
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utils.format_datetime(self.naive_dt, usegmt=True)
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def test_usegmt_with_non_utc_datetime_raises(self):
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with self.assertRaises(ValueError):
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utils.format_datetime(self.aware_dt, usegmt=True)
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def test_parsedate_to_datetime(self):
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self.assertEqual(
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utils.parsedate_to_datetime(self.datestring + self.offsetstring),
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self.aware_dt)
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def test_parsedate_to_datetime_naive(self):
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self.assertEqual(
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utils.parsedate_to_datetime(self.datestring + ' -0000'),
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self.naive_dt)
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class LocaltimeTests(unittest.TestCase):
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def test_localtime_is_tz_aware_daylight_true(self):
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test.support.patch(self, time, 'daylight', True)
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t = utils.localtime()
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self.assertIsNotNone(t.tzinfo)
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def test_localtime_is_tz_aware_daylight_false(self):
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test.support.patch(self, time, 'daylight', False)
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t = utils.localtime()
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self.assertIsNotNone(t.tzinfo)
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def test_localtime_daylight_true_dst_false(self):
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test.support.patch(self, time, 'daylight', True)
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t0 = datetime.datetime(2012, 3, 12, 1, 1)
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t1 = utils.localtime(t0, isdst=-1)
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t2 = utils.localtime(t1)
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self.assertEqual(t1, t2)
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def test_localtime_daylight_false_dst_false(self):
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test.support.patch(self, time, 'daylight', False)
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t0 = datetime.datetime(2012, 3, 12, 1, 1)
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t1 = utils.localtime(t0, isdst=-1)
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t2 = utils.localtime(t1)
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self.assertEqual(t1, t2)
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@test.support.run_with_tz('Europe/Minsk')
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def test_localtime_daylight_true_dst_true(self):
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test.support.patch(self, time, 'daylight', True)
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t0 = datetime.datetime(2012, 3, 12, 1, 1)
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t1 = utils.localtime(t0, isdst=1)
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t2 = utils.localtime(t1)
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self.assertEqual(t1, t2)
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@test.support.run_with_tz('Europe/Minsk')
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def test_localtime_daylight_false_dst_true(self):
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test.support.patch(self, time, 'daylight', False)
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t0 = datetime.datetime(2012, 3, 12, 1, 1)
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t1 = utils.localtime(t0, isdst=1)
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t2 = utils.localtime(t1)
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self.assertEqual(t1, t2)
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@test.support.run_with_tz('EST+05EDT,M3.2.0,M11.1.0')
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def test_localtime_epoch_utc_daylight_true(self):
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test.support.patch(self, time, 'daylight', True)
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t0 = datetime.datetime(1990, 1, 1, tzinfo = datetime.timezone.utc)
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t1 = utils.localtime(t0)
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t2 = t0 - datetime.timedelta(hours=5)
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t2 = t2.replace(tzinfo = datetime.timezone(datetime.timedelta(hours=-5)))
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self.assertEqual(t1, t2)
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@test.support.run_with_tz('EST+05EDT,M3.2.0,M11.1.0')
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def test_localtime_epoch_utc_daylight_false(self):
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test.support.patch(self, time, 'daylight', False)
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t0 = datetime.datetime(1990, 1, 1, tzinfo = datetime.timezone.utc)
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t1 = utils.localtime(t0)
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t2 = t0 - datetime.timedelta(hours=5)
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t2 = t2.replace(tzinfo = datetime.timezone(datetime.timedelta(hours=-5)))
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self.assertEqual(t1, t2)
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def test_localtime_epoch_notz_daylight_true(self):
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test.support.patch(self, time, 'daylight', True)
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t0 = datetime.datetime(1990, 1, 1)
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t1 = utils.localtime(t0)
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t2 = utils.localtime(t0.replace(tzinfo=None))
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self.assertEqual(t1, t2)
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def test_localtime_epoch_notz_daylight_false(self):
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test.support.patch(self, time, 'daylight', False)
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t0 = datetime.datetime(1990, 1, 1)
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t1 = utils.localtime(t0)
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t2 = utils.localtime(t0.replace(tzinfo=None))
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self.assertEqual(t1, t2)
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# XXX: Need a more robust test for Olson's tzdata
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@unittest.skipIf(sys.platform.startswith('win'),
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"Windows does not use Olson's TZ database")
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@unittest.skipUnless(os.path.exists('/usr/share/zoneinfo') or
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os.path.exists('/usr/lib/zoneinfo'),
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"Can't find the Olson's TZ database")
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@test.support.run_with_tz('Europe/Kiev')
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def test_variable_tzname(self):
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t0 = datetime.datetime(1984, 1, 1, tzinfo=datetime.timezone.utc)
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t1 = utils.localtime(t0)
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self.assertEqual(t1.tzname(), 'MSK')
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t0 = datetime.datetime(1994, 1, 1, tzinfo=datetime.timezone.utc)
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t1 = utils.localtime(t0)
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self.assertEqual(t1.tzname(), 'EET')
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# Issue #24836: The timezone files are out of date (pre 2011k)
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# on Mac OS X Snow Leopard.
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@test.support.requires_mac_ver(10, 7)
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class FormatDateTests(unittest.TestCase):
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@test.support.run_with_tz('Europe/Minsk')
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def test_formatdate(self):
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timeval = time.mktime((2011, 12, 1, 18, 0, 0, 4, 335, 0))
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string = utils.formatdate(timeval, localtime=False, usegmt=False)
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self.assertEqual(string, 'Thu, 01 Dec 2011 15:00:00 -0000')
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string = utils.formatdate(timeval, localtime=False, usegmt=True)
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self.assertEqual(string, 'Thu, 01 Dec 2011 15:00:00 GMT')
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@test.support.run_with_tz('Europe/Minsk')
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def test_formatdate_with_localtime(self):
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timeval = time.mktime((2011, 1, 1, 18, 0, 0, 6, 1, 0))
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string = utils.formatdate(timeval, localtime=True)
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self.assertEqual(string, 'Sat, 01 Jan 2011 18:00:00 +0200')
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# Minsk moved from +0200 (with DST) to +0300 (without DST) in 2011
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timeval = time.mktime((2011, 12, 1, 18, 0, 0, 4, 335, 0))
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string = utils.formatdate(timeval, localtime=True)
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self.assertEqual(string, 'Thu, 01 Dec 2011 18:00:00 +0300')
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if __name__ == '__main__':
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unittest.main()
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