django/tests/regressiontests/utils/dateformat.py

130 lines
5.7 KiB
Python

from datetime import datetime, date
import os
import time
import unittest
from django.utils.dateformat import format
from django.utils import dateformat, translation
from django.utils.tzinfo import FixedOffset, LocalTimezone
class DateFormatTests(unittest.TestCase):
def setUp(self):
self.old_TZ = os.environ.get('TZ')
os.environ['TZ'] = 'Europe/Copenhagen'
translation.activate('en-us')
try:
# Check if a timezone has been set
time.tzset()
self.tz_tests = True
except AttributeError:
# No timezone available. Don't run the tests that require a TZ
self.tz_tests = False
def tearDown(self):
if self.old_TZ is None:
del os.environ['TZ']
else:
os.environ['TZ'] = self.old_TZ
# Cleanup - force re-evaluation of TZ environment variable.
if self.tz_tests:
time.tzset()
def test_date(self):
d = date(2009, 5, 16)
self.assertEquals(date.fromtimestamp(int(format(d, 'U'))), d)
def test_naive_datetime(self):
dt = datetime(2009, 5, 16, 5, 30, 30)
self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt)
def test_datetime_with_local_tzinfo(self):
ltz = LocalTimezone(datetime.now())
dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=ltz)
self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt)
self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt.replace(tzinfo=None))
def test_datetime_with_tzinfo(self):
tz = FixedOffset(-510)
ltz = LocalTimezone(datetime.now())
dt = datetime(2009, 5, 16, 5, 30, 30, tzinfo=tz)
self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), tz), dt)
self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz), dt)
self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U'))), dt.astimezone(ltz).replace(tzinfo=None))
self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), tz).utctimetuple(), dt.utctimetuple())
self.assertEquals(datetime.fromtimestamp(int(format(dt, 'U')), ltz).utctimetuple(), dt.utctimetuple())
def test_epoch(self):
utc = FixedOffset(0)
udt = datetime(1970, 1, 1, tzinfo=utc)
self.assertEquals(format(udt, 'U'), u'0')
def test_empty_format(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
self.assertEquals(dateformat.format(my_birthday, ''), u'')
def test_am_pm(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
self.assertEquals(dateformat.format(my_birthday, 'a'), u'p.m.')
def test_date_formats(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
timestamp = datetime(2008, 5, 19, 11, 45, 23, 123456)
self.assertEquals(dateformat.format(my_birthday, 'A'), u'PM')
self.assertEquals(dateformat.format(timestamp, 'c'), u'2008-05-19T11:45:23.123456')
self.assertEquals(dateformat.format(my_birthday, 'd'), u'08')
self.assertEquals(dateformat.format(my_birthday, 'j'), u'8')
self.assertEquals(dateformat.format(my_birthday, 'l'), u'Sunday')
self.assertEquals(dateformat.format(my_birthday, 'L'), u'False')
self.assertEquals(dateformat.format(my_birthday, 'm'), u'07')
self.assertEquals(dateformat.format(my_birthday, 'M'), u'Jul')
self.assertEquals(dateformat.format(my_birthday, 'b'), u'jul')
self.assertEquals(dateformat.format(my_birthday, 'n'), u'7')
self.assertEquals(dateformat.format(my_birthday, 'N'), u'July')
def test_time_formats(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
self.assertEquals(dateformat.format(my_birthday, 'P'), u'10 p.m.')
self.assertEquals(dateformat.format(my_birthday, 's'), u'00')
self.assertEquals(dateformat.format(my_birthday, 'S'), u'th')
self.assertEquals(dateformat.format(my_birthday, 't'), u'31')
self.assertEquals(dateformat.format(my_birthday, 'w'), u'0')
self.assertEquals(dateformat.format(my_birthday, 'W'), u'27')
self.assertEquals(dateformat.format(my_birthday, 'y'), u'79')
self.assertEquals(dateformat.format(my_birthday, 'Y'), u'1979')
self.assertEquals(dateformat.format(my_birthday, 'z'), u'189')
def test_dateformat(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
self.assertEquals(dateformat.format(my_birthday, r'Y z \C\E\T'), u'1979 189 CET')
self.assertEquals(dateformat.format(my_birthday, r'jS o\f F'), u'8th of July')
def test_futuredates(self):
the_future = datetime(2100, 10, 25, 0, 00)
self.assertEquals(dateformat.format(the_future, r'Y'), u'2100')
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)
timestamp = datetime(2008, 5, 19, 11, 45, 23, 123456)
if self.tz_tests:
self.assertEquals(dateformat.format(my_birthday, 'O'), u'+0100')
self.assertEquals(dateformat.format(my_birthday, 'r'), u'Sun, 8 Jul 1979 22:00:00 +0100')
self.assertEquals(dateformat.format(my_birthday, 'T'), u'CET')
self.assertEquals(dateformat.format(my_birthday, 'U'), u'300315600')
self.assertEquals(dateformat.format(timestamp, 'u'), u'123456')
self.assertEquals(dateformat.format(my_birthday, 'Z'), u'3600')
self.assertEquals(dateformat.format(summertime, 'I'), u'1')
self.assertEquals(dateformat.format(summertime, 'O'), u'+0200')
self.assertEquals(dateformat.format(wintertime, 'I'), u'0')
self.assertEquals(dateformat.format(wintertime, 'O'), u'+0100')