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Completed test coverage for django.utils.dateformat.

This commit is contained in:
Nick Pope 2021-07-13 13:19:52 +02:00 committed by Mariusz Felisiak
parent ab0d751ddf
commit 6afc2a944c
1 changed files with 79 additions and 16 deletions
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95
tests/utils_tests/test_dateformat.py
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@ -1,4 +1,4 @@
from datetime import date, datetime
from datetime import date, datetime, time, tzinfo
from django.test import SimpleTestCase, override_settings
from django.test.utils import TZ_SUPPORT, requires_tz_support
@ -67,10 +67,12 @@ class DateFormatTests(SimpleTestCase):
self.assertEqual(dateformat.format(my_birthday, ''), '')
def test_am_pm(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
self.assertEqual(dateformat.format(my_birthday, 'a'), 'p.m.')
self.assertEqual(dateformat.format(my_birthday, 'A'), 'PM')
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
@ -78,10 +80,14 @@ class DateFormatTests(SimpleTestCase):
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'),
@ -89,6 +95,7 @@ class DateFormatTests(SimpleTestCase):
('M', 'Jul'),
('n', '7'),
('N', 'July'),
('o', '1979'),
('S', 'th'),
('t', '31'),
('w', '0'),
@ -105,10 +112,17 @@ class DateFormatTests(SimpleTestCase):
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'),
@ -134,6 +148,7 @@ class DateFormatTests(SimpleTestCase):
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)
@ -152,11 +167,21 @@ class DateFormatTests(SimpleTestCase):
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')
@ -172,6 +197,33 @@ class DateFormatTests(SimpleTestCase):
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)
@ -181,6 +233,18 @@ class DateFormatTests(SimpleTestCase):
'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'),
@ -200,16 +264,15 @@ class DateFormatTests(SimpleTestCase):
def test_twelve_hour_format(self):
tests = [
(0, '12'),
(1, '1'),
(11, '11'),
(12, '12'),
(13, '1'),
(23, '11'),
(0, '12', '12'),
(1, '1', '01'),
(11, '11', '11'),
(12, '12', '12'),
(13, '1', '01'),
(23, '11', '11'),
]
for hour, expected in tests:
for hour, g_expected, h_expected in tests:
dt = datetime(2000, 1, 1, hour)
with self.subTest(hour=hour):
self.assertEqual(
dateformat.format(datetime(2000, 1, 1, hour), 'g'),
expected,
)
self.assertEqual(dateformat.format(dt, 'g'), g_expected)
self.assertEqual(dateformat.format(dt, 'h'), h_expected)