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156 lines
6.9 KiB
Python
156 lines
6.9 KiB
Python
from datetime import date, datetime
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from django.test import SimpleTestCase, override_settings
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from django.test.utils import TZ_SUPPORT, requires_tz_support
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from django.utils import dateformat, translation
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from django.utils.dateformat import format
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from django.utils.timezone import (
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get_default_timezone, get_fixed_timezone, make_aware, utc,
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)
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@override_settings(TIME_ZONE='Europe/Copenhagen')
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class DateFormatTests(SimpleTestCase):
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def setUp(self):
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self._orig_lang = translation.get_language()
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translation.activate('en-us')
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def tearDown(self):
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translation.activate(self._orig_lang)
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def test_date(self):
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d = date(2009, 5, 16)
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self.assertEqual(date.fromtimestamp(int(format(d, 'U'))), d)
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def test_naive_datetime(self):
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dt = datetime(2009, 5, 16, 5, 30, 30)
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self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U'))), dt)
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def test_naive_ambiguous_datetime(self):
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# dt is ambiguous in Europe/Copenhagen. pytz raises an exception for
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# the ambiguity, which results in an empty string.
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dt = datetime(2015, 10, 25, 2, 30, 0)
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# Try all formatters that involve self.timezone.
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self.assertEqual(format(dt, 'I'), '')
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self.assertEqual(format(dt, 'O'), '')
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self.assertEqual(format(dt, 'T'), '')
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self.assertEqual(format(dt, 'Z'), '')
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@requires_tz_support
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def test_datetime_with_local_tzinfo(self):
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ltz = get_default_timezone()
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dt = make_aware(datetime(2009, 5, 16, 5, 30, 30), ltz)
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self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt)
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self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U'))), dt.replace(tzinfo=None))
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@requires_tz_support
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def test_datetime_with_tzinfo(self):
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tz = get_fixed_timezone(-510)
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ltz = get_default_timezone()
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dt = make_aware(datetime(2009, 5, 16, 5, 30, 30), ltz)
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self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), tz), dt)
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self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt)
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# astimezone() is safe here because the target timezone doesn't have DST
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self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U'))), dt.astimezone(ltz).replace(tzinfo=None))
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self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), tz).utctimetuple(), dt.utctimetuple())
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self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), ltz).utctimetuple(), dt.utctimetuple())
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def test_epoch(self):
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udt = datetime(1970, 1, 1, tzinfo=utc)
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self.assertEqual(format(udt, 'U'), '0')
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def test_empty_format(self):
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my_birthday = datetime(1979, 7, 8, 22, 00)
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self.assertEqual(dateformat.format(my_birthday, ''), '')
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def test_am_pm(self):
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my_birthday = datetime(1979, 7, 8, 22, 00)
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self.assertEqual(dateformat.format(my_birthday, 'a'), 'p.m.')
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def test_microsecond(self):
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# Regression test for #18951
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dt = datetime(2009, 5, 16, microsecond=123)
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self.assertEqual(dateformat.format(dt, 'u'), '000123')
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def test_date_formats(self):
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my_birthday = datetime(1979, 7, 8, 22, 00)
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timestamp = datetime(2008, 5, 19, 11, 45, 23, 123456)
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self.assertEqual(dateformat.format(my_birthday, 'A'), 'PM')
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self.assertEqual(dateformat.format(timestamp, 'c'), '2008-05-19T11:45:23.123456')
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self.assertEqual(dateformat.format(my_birthday, 'd'), '08')
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self.assertEqual(dateformat.format(my_birthday, 'j'), '8')
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self.assertEqual(dateformat.format(my_birthday, 'l'), 'Sunday')
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self.assertEqual(dateformat.format(my_birthday, 'L'), 'False')
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self.assertEqual(dateformat.format(my_birthday, 'm'), '07')
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self.assertEqual(dateformat.format(my_birthday, 'M'), 'Jul')
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self.assertEqual(dateformat.format(my_birthday, 'b'), 'jul')
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self.assertEqual(dateformat.format(my_birthday, 'n'), '7')
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self.assertEqual(dateformat.format(my_birthday, 'N'), 'July')
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def test_time_formats(self):
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my_birthday = datetime(1979, 7, 8, 22, 00)
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self.assertEqual(dateformat.format(my_birthday, 'P'), '10 p.m.')
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self.assertEqual(dateformat.format(my_birthday, 's'), '00')
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self.assertEqual(dateformat.format(my_birthday, 'S'), 'th')
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self.assertEqual(dateformat.format(my_birthday, 't'), '31')
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self.assertEqual(dateformat.format(my_birthday, 'w'), '0')
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self.assertEqual(dateformat.format(my_birthday, 'W'), '27')
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self.assertEqual(dateformat.format(my_birthday, 'y'), '79')
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self.assertEqual(dateformat.format(my_birthday, 'Y'), '1979')
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self.assertEqual(dateformat.format(my_birthday, 'z'), '189')
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def test_dateformat(self):
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my_birthday = datetime(1979, 7, 8, 22, 00)
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self.assertEqual(dateformat.format(my_birthday, r'Y z \C\E\T'), '1979 189 CET')
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self.assertEqual(dateformat.format(my_birthday, r'jS \o\f F'), '8th of July')
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def test_futuredates(self):
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the_future = datetime(2100, 10, 25, 0, 00)
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self.assertEqual(dateformat.format(the_future, r'Y'), '2100')
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def test_timezones(self):
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my_birthday = datetime(1979, 7, 8, 22, 00)
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summertime = datetime(2005, 10, 30, 1, 00)
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wintertime = datetime(2005, 10, 30, 4, 00)
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timestamp = datetime(2008, 5, 19, 11, 45, 23, 123456)
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# 3h30m to the west of UTC
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tz = get_fixed_timezone(-210)
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aware_dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=tz)
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if TZ_SUPPORT:
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self.assertEqual(dateformat.format(my_birthday, 'O'), '+0100')
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self.assertEqual(dateformat.format(my_birthday, 'r'), 'Sun, 8 Jul 1979 22:00:00 +0100')
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self.assertEqual(dateformat.format(my_birthday, 'T'), 'CET')
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self.assertEqual(dateformat.format(my_birthday, 'e'), '')
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self.assertEqual(dateformat.format(aware_dt, 'e'), '-0330')
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self.assertEqual(dateformat.format(my_birthday, 'U'), '300315600')
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self.assertEqual(dateformat.format(timestamp, 'u'), '123456')
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self.assertEqual(dateformat.format(my_birthday, 'Z'), '3600')
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self.assertEqual(dateformat.format(summertime, 'I'), '1')
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self.assertEqual(dateformat.format(summertime, 'O'), '+0200')
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self.assertEqual(dateformat.format(wintertime, 'I'), '0')
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self.assertEqual(dateformat.format(wintertime, 'O'), '+0100')
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# Ticket #16924 -- We don't need timezone support to test this
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self.assertEqual(dateformat.format(aware_dt, 'O'), '-0330')
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def test_invalid_time_format_specifiers(self):
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my_birthday = date(1984, 8, 7)
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for specifier in ['a', 'A', 'f', 'g', 'G', 'h', 'H', 'i', 'P', 's', 'u']:
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msg = (
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"The format for date objects may not contain time-related "
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"format specifiers (found '%s')." % specifier
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)
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with self.assertRaisesMessage(TypeError, msg):
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dateformat.format(my_birthday, specifier)
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