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django/tests/utils_tests/test_datetime_safe.py
2022-02-07 20:37:05 +01:00

78 lines
2.7 KiB
Python

from datetime import date as original_date
from datetime import datetime as original_datetime
from django.test import SimpleTestCase, ignore_warnings
from django.utils.deprecation import RemovedInDjango50Warning
with ignore_warnings(category=RemovedInDjango50Warning):
from django.utils.datetime_safe import date, datetime
class DatetimeTests(SimpleTestCase):
def setUp(self):
self.percent_y_safe = (1900, 1, 1) # >= 1900 required on Windows.
self.just_safe = (1000, 1, 1)
self.just_unsafe = (999, 12, 31, 23, 59, 59)
self.really_old = (20, 1, 1)
self.more_recent = (2006, 1, 1)
def test_compare_datetimes(self):
self.assertEqual(
original_datetime(*self.more_recent), datetime(*self.more_recent)
)
self.assertEqual(
original_datetime(*self.really_old), datetime(*self.really_old)
)
self.assertEqual(original_date(*self.more_recent), date(*self.more_recent))
self.assertEqual(original_date(*self.really_old), date(*self.really_old))
self.assertEqual(
original_date(*self.just_safe).strftime("%Y-%m-%d"),
date(*self.just_safe).strftime("%Y-%m-%d"),
)
self.assertEqual(
original_datetime(*self.just_safe).strftime("%Y-%m-%d"),
datetime(*self.just_safe).strftime("%Y-%m-%d"),
)
def test_safe_strftime(self):
self.assertEqual(
date(*self.just_unsafe[:3]).strftime("%Y-%m-%d (weekday %w)"),
"0999-12-31 (weekday 2)",
)
self.assertEqual(
date(*self.just_safe).strftime("%Y-%m-%d (weekday %w)"),
"1000-01-01 (weekday 3)",
)
self.assertEqual(
datetime(*self.just_unsafe).strftime("%Y-%m-%d %H:%M:%S (weekday %w)"),
"0999-12-31 23:59:59 (weekday 2)",
)
self.assertEqual(
datetime(*self.just_safe).strftime("%Y-%m-%d %H:%M:%S (weekday %w)"),
"1000-01-01 00:00:00 (weekday 3)",
)
# %y will error before this date
self.assertEqual(date(*self.percent_y_safe).strftime("%y"), "00")
self.assertEqual(datetime(*self.percent_y_safe).strftime("%y"), "00")
with self.assertRaisesMessage(
TypeError, "strftime of dates before 1000 does not handle %y"
):
datetime(*self.just_unsafe).strftime("%y")
self.assertEqual(
date(1850, 8, 2).strftime("%Y/%m/%d was a %A"), "1850/08/02 was a Friday"
)
def test_zero_padding(self):
"""
Regression for #12524
Pre-1000AD dates are padded with zeros if necessary
"""
self.assertEqual(
date(1, 1, 1).strftime("%Y/%m/%d was a %A"), "0001/01/01 was a Monday"
)