mirror of
https://github.com/django/django.git
synced 2024-12-23 09:36:06 +00:00
279 lines
10 KiB
Python
279 lines
10 KiB
Python
from datetime import date, datetime, time, tzinfo
|
|
|
|
from django.test import SimpleTestCase, override_settings
|
|
from django.test.utils import TZ_SUPPORT, requires_tz_support
|
|
from django.utils import dateformat, translation
|
|
from django.utils.dateformat import format
|
|
from django.utils.timezone import (
|
|
get_default_timezone, get_fixed_timezone, make_aware, utc,
|
|
)
|
|
|
|
|
|
@override_settings(TIME_ZONE='Europe/Copenhagen')
|
|
class DateFormatTests(SimpleTestCase):
|
|
|
|
def setUp(self):
|
|
self._orig_lang = translation.get_language()
|
|
translation.activate('en-us')
|
|
|
|
def tearDown(self):
|
|
translation.activate(self._orig_lang)
|
|
|
|
def test_date(self):
|
|
d = date(2009, 5, 16)
|
|
self.assertEqual(date.fromtimestamp(int(format(d, 'U'))), d)
|
|
|
|
def test_naive_datetime(self):
|
|
dt = datetime(2009, 5, 16, 5, 30, 30)
|
|
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U'))), dt)
|
|
|
|
def test_naive_ambiguous_datetime(self):
|
|
# dt is ambiguous in Europe/Copenhagen. pytz raises an exception for
|
|
# the ambiguity, which results in an empty string.
|
|
dt = datetime(2015, 10, 25, 2, 30, 0)
|
|
|
|
# Try all formatters that involve self.timezone.
|
|
self.assertEqual(format(dt, 'I'), '')
|
|
self.assertEqual(format(dt, 'O'), '')
|
|
self.assertEqual(format(dt, 'T'), '')
|
|
self.assertEqual(format(dt, 'Z'), '')
|
|
|
|
@requires_tz_support
|
|
def test_datetime_with_local_tzinfo(self):
|
|
ltz = get_default_timezone()
|
|
dt = make_aware(datetime(2009, 5, 16, 5, 30, 30), ltz)
|
|
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt)
|
|
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U'))), dt.replace(tzinfo=None))
|
|
|
|
@requires_tz_support
|
|
def test_datetime_with_tzinfo(self):
|
|
tz = get_fixed_timezone(-510)
|
|
ltz = get_default_timezone()
|
|
dt = make_aware(datetime(2009, 5, 16, 5, 30, 30), ltz)
|
|
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), tz), dt)
|
|
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt)
|
|
# astimezone() is safe here because the target timezone doesn't have DST
|
|
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U'))), dt.astimezone(ltz).replace(tzinfo=None))
|
|
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), tz).timetuple(), dt.astimezone(tz).timetuple())
|
|
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), ltz).timetuple(), dt.astimezone(ltz).timetuple())
|
|
|
|
def test_epoch(self):
|
|
udt = datetime(1970, 1, 1, tzinfo=utc)
|
|
self.assertEqual(format(udt, 'U'), '0')
|
|
|
|
def test_empty_format(self):
|
|
my_birthday = datetime(1979, 7, 8, 22, 00)
|
|
|
|
self.assertEqual(dateformat.format(my_birthday, ''), '')
|
|
|
|
def test_am_pm(self):
|
|
morning = time(7, 00)
|
|
evening = time(19, 00)
|
|
self.assertEqual(dateformat.format(morning, 'a'), 'a.m.')
|
|
self.assertEqual(dateformat.format(evening, 'a'), 'p.m.')
|
|
self.assertEqual(dateformat.format(morning, 'A'), 'AM')
|
|
self.assertEqual(dateformat.format(evening, 'A'), 'PM')
|
|
|
|
def test_microsecond(self):
|
|
# Regression test for #18951
|
|
dt = datetime(2009, 5, 16, microsecond=123)
|
|
self.assertEqual(dateformat.format(dt, 'u'), '000123')
|
|
|
|
def test_date_formats(self):
|
|
# Specifiers 'I', 'r', and 'U' are covered in test_timezones().
|
|
my_birthday = datetime(1979, 7, 8, 22, 00)
|
|
for specifier, expected in [
|
|
('b', 'jul'),
|
|
('d', '08'),
|
|
('D', 'Sun'),
|
|
('E', 'July'),
|
|
('F', 'July'),
|
|
('j', '8'),
|
|
('l', 'Sunday'),
|
|
('L', 'False'),
|
|
('m', '07'),
|
|
('M', 'Jul'),
|
|
('n', '7'),
|
|
('N', 'July'),
|
|
('o', '1979'),
|
|
('S', 'th'),
|
|
('t', '31'),
|
|
('w', '0'),
|
|
('W', '27'),
|
|
('y', '79'),
|
|
('Y', '1979'),
|
|
('z', '189'),
|
|
]:
|
|
with self.subTest(specifier=specifier):
|
|
self.assertEqual(dateformat.format(my_birthday, specifier), expected)
|
|
|
|
def test_date_formats_c_format(self):
|
|
timestamp = datetime(2008, 5, 19, 11, 45, 23, 123456)
|
|
self.assertEqual(dateformat.format(timestamp, 'c'), '2008-05-19T11:45:23.123456')
|
|
|
|
def test_time_formats(self):
|
|
# Specifiers 'I', 'r', and 'U' are covered in test_timezones().
|
|
my_birthday = datetime(1979, 7, 8, 22, 00)
|
|
for specifier, expected in [
|
|
('a', 'p.m.'),
|
|
('A', 'PM'),
|
|
('f', '10'),
|
|
('g', '10'),
|
|
('G', '22'),
|
|
('h', '10'),
|
|
('H', '22'),
|
|
('i', '00'),
|
|
('P', '10 p.m.'),
|
|
('s', '00'),
|
|
('u', '000000'),
|
|
]:
|
|
with self.subTest(specifier=specifier):
|
|
self.assertEqual(dateformat.format(my_birthday, specifier), expected)
|
|
|
|
def test_dateformat(self):
|
|
my_birthday = datetime(1979, 7, 8, 22, 00)
|
|
|
|
self.assertEqual(dateformat.format(my_birthday, r'Y z \C\E\T'), '1979 189 CET')
|
|
|
|
self.assertEqual(dateformat.format(my_birthday, r'jS \o\f F'), '8th of July')
|
|
|
|
def test_futuredates(self):
|
|
the_future = datetime(2100, 10, 25, 0, 00)
|
|
self.assertEqual(dateformat.format(the_future, r'Y'), '2100')
|
|
|
|
def test_day_of_year_leap(self):
|
|
self.assertEqual(dateformat.format(datetime(2000, 12, 31), 'z'), '366')
|
|
|
|
def test_timezones(self):
|
|
my_birthday = datetime(1979, 7, 8, 22, 00)
|
|
summertime = datetime(2005, 10, 30, 1, 00)
|
|
wintertime = datetime(2005, 10, 30, 4, 00)
|
|
noon = time(12, 0, 0)
|
|
|
|
# 3h30m to the west of UTC
|
|
tz = get_fixed_timezone(-210)
|
|
aware_dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=tz)
|
|
|
|
if TZ_SUPPORT:
|
|
for specifier, expected in [
|
|
('e', ''),
|
|
('O', '+0100'),
|
|
('r', 'Sun, 08 Jul 1979 22:00:00 +0100'),
|
|
('T', 'CET'),
|
|
('U', '300315600'),
|
|
('Z', '3600'),
|
|
]:
|
|
with self.subTest(specifier=specifier):
|
|
self.assertEqual(dateformat.format(my_birthday, specifier), expected)
|
|
|
|
self.assertEqual(dateformat.format(aware_dt, 'e'), '-0330')
|
|
self.assertEqual(
|
|
dateformat.format(aware_dt, 'r'),
|
|
'Sat, 16 May 2009 05:30:30 -0330',
|
|
)
|
|
|
|
self.assertEqual(dateformat.format(summertime, 'I'), '1')
|
|
self.assertEqual(dateformat.format(summertime, 'O'), '+0200')
|
|
|
|
self.assertEqual(dateformat.format(wintertime, 'I'), '0')
|
|
self.assertEqual(dateformat.format(wintertime, 'O'), '+0100')
|
|
|
|
for specifier in ['e', 'O', 'T', 'Z']:
|
|
with self.subTest(specifier=specifier):
|
|
self.assertEqual(dateformat.time_format(noon, specifier), '')
|
|
|
|
# Ticket #16924 -- We don't need timezone support to test this
|
|
self.assertEqual(dateformat.format(aware_dt, 'O'), '-0330')
|
|
|
|
def test_invalid_time_format_specifiers(self):
|
|
my_birthday = date(1984, 8, 7)
|
|
|
|
for specifier in ['a', 'A', 'f', 'g', 'G', 'h', 'H', 'i', 'P', 'r', 's', 'u']:
|
|
with self.subTest(specifier=specifier):
|
|
msg = (
|
|
'The format for date objects may not contain time-related '
|
|
f'format specifiers (found {specifier!r}).'
|
|
)
|
|
with self.assertRaisesMessage(TypeError, msg):
|
|
dateformat.format(my_birthday, specifier)
|
|
|
|
@requires_tz_support
|
|
def test_e_format_with_named_time_zone(self):
|
|
dt = datetime(1970, 1, 1, tzinfo=utc)
|
|
self.assertEqual(dateformat.format(dt, 'e'), 'UTC')
|
|
|
|
@requires_tz_support
|
|
def test_e_format_with_time_zone_with_unimplemented_tzname(self):
|
|
class NoNameTZ(tzinfo):
|
|
"""Time zone without .tzname() defined."""
|
|
def utcoffset(self, dt):
|
|
return None
|
|
|
|
dt = datetime(1970, 1, 1, tzinfo=NoNameTZ())
|
|
self.assertEqual(dateformat.format(dt, 'e'), '')
|
|
|
|
def test_P_format(self):
|
|
for expected, t in [
|
|
('midnight', time(0)),
|
|
('noon', time(12)),
|
|
('4 a.m.', time(4)),
|
|
('8:30 a.m.', time(8, 30)),
|
|
('4 p.m.', time(16)),
|
|
('8:30 p.m.', time(20, 30)),
|
|
]:
|
|
with self.subTest(time=t):
|
|
self.assertEqual(dateformat.time_format(t, 'P'), expected)
|
|
|
|
def test_r_format_with_non_en_locale(self):
|
|
# Changing the locale doesn't change the "r" format.
|
|
dt = datetime(1979, 7, 8, 22, 00)
|
|
with translation.override('fr'):
|
|
self.assertEqual(
|
|
dateformat.format(dt, 'r'),
|
|
'Sun, 08 Jul 1979 22:00:00 +0100',
|
|
)
|
|
|
|
def test_S_format(self):
|
|
for expected, days in [
|
|
('st', [1, 21, 31]),
|
|
('nd', [2, 22]),
|
|
('rd', [3, 23]),
|
|
('th', (n for n in range(4, 31) if n not in [21, 22, 23])),
|
|
]:
|
|
for day in days:
|
|
dt = date(1970, 1, day)
|
|
with self.subTest(day=day):
|
|
self.assertEqual(dateformat.format(dt, 'S'), expected)
|
|
|
|
def test_y_format_year_before_1000(self):
|
|
tests = [
|
|
(476, '76'),
|
|
(42, '42'),
|
|
(4, '04'),
|
|
]
|
|
for year, expected_date in tests:
|
|
with self.subTest(year=year):
|
|
self.assertEqual(
|
|
dateformat.format(datetime(year, 9, 8, 5, 0), 'y'),
|
|
expected_date,
|
|
)
|
|
|
|
def test_Y_format_year_before_1000(self):
|
|
self.assertEqual(dateformat.format(datetime(1, 1, 1), 'Y'), '0001')
|
|
self.assertEqual(dateformat.format(datetime(999, 1, 1), 'Y'), '0999')
|
|
|
|
def test_twelve_hour_format(self):
|
|
tests = [
|
|
(0, '12', '12'),
|
|
(1, '1', '01'),
|
|
(11, '11', '11'),
|
|
(12, '12', '12'),
|
|
(13, '1', '01'),
|
|
(23, '11', '11'),
|
|
]
|
|
for hour, g_expected, h_expected in tests:
|
|
dt = datetime(2000, 1, 1, hour)
|
|
with self.subTest(hour=hour):
|
|
self.assertEqual(dateformat.format(dt, 'g'), g_expected)
|
|
self.assertEqual(dateformat.format(dt, 'h'), h_expected)
|