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).utctimetuple(), dt.utctimetuple())
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U')), ltz).utctimetuple(), dt.utctimetuple())
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'), '')
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', 's', 'u']:
msg = (
"The format for date objects may not contain time-related "
"format specifiers (found '%s')." % specifier
)
with self.assertRaisesMessage(TypeError, msg):
dateformat.format(my_birthday, specifier)
def test_time_formats(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
self.assertEqual(dateformat.format(my_birthday, 'P'), '10 p.m.')
self.assertEqual(dateformat.format(my_birthday, 's'), '00')
self.assertEqual(dateformat.format(my_birthday, 'S'), 'th')
self.assertEqual(dateformat.format(my_birthday, 't'), '31')
self.assertEqual(dateformat.format(my_birthday, 'w'), '0')
self.assertEqual(dateformat.format(my_birthday, 'W'), '27')
self.assertEqual(dateformat.format(my_birthday, 'y'), '79')
self.assertEqual(dateformat.format(my_birthday, 'Y'), '1979')
self.assertEqual(dateformat.format(my_birthday, 'z'), '189')
def date_format(value, format=None, use_l10n=None):
"""
Format a datetime.date or datetime.datetime object using a
localizable format.
If use_l10n is provided and is not None, that will force the value to
be localized (or not), overriding the value of settings.USE_L10N.
"""
return dateformat.format(value, get_format(format or 'DATE_FORMAT', use_l10n=use_l10n))
def test_date_formats(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
timestamp = datetime(2008, 5, 19, 11, 45, 23, 123456)
self.assertEqual(dateformat.format(my_birthday, 'A'), 'PM')
self.assertEqual(dateformat.format(timestamp, 'c'), '2008-05-19T11:45:23.123456')
self.assertEqual(dateformat.format(my_birthday, 'd'), '08')
self.assertEqual(dateformat.format(my_birthday, 'j'), '8')
self.assertEqual(dateformat.format(my_birthday, 'l'), 'Sunday')
self.assertEqual(dateformat.format(my_birthday, 'L'), 'False')
self.assertEqual(dateformat.format(my_birthday, 'm'), '07')
self.assertEqual(dateformat.format(my_birthday, 'M'), 'Jul')
self.assertEqual(dateformat.format(my_birthday, 'b'), 'jul')
self.assertEqual(dateformat.format(my_birthday, 'n'), '7')
self.assertEqual(dateformat.format(my_birthday, 'N'), 'July')
def test_microsecond(self):
# Regression test for #18951
dt = datetime(2009, 5, 16, microsecond=123)
self.assertEqual(dateformat.format(dt, 'u'), '000123')
def test_am_pm(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
self.assertEqual(dateformat.format(my_birthday, 'a'), 'p.m.')
def test_empty_format(self):
my_birthday = datetime(1979, 7, 8, 22, 00)
self.assertEqual(dateformat.format(my_birthday, ''), '')
def test_epoch(self):
udt = datetime(1970, 1, 1, tzinfo=utc)
self.assertEqual(format(udt, 'U'), '0')
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))
def test_naive_datetime(self):
dt = datetime(2009, 5, 16, 5, 30, 30)
self.assertEqual(datetime.fromtimestamp(int(format(dt, 'U'))), dt)
def test_date(self):
d = date(2009, 5, 16)
self.assertEqual(date.fromtimestamp(int(format(d, 'U'))), d)
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)
# 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:
self.assertEqual(dateformat.format(my_birthday, 'O'), '+0100')
self.assertEqual(dateformat.format(my_birthday, 'r'), 'Sun, 8 Jul 1979 22:00:00 +0100')
self.assertEqual(dateformat.format(my_birthday, 'T'), 'CET')
self.assertEqual(dateformat.format(my_birthday, 'e'), '')
self.assertEqual(dateformat.format(aware_dt, 'e'), '-0330')
self.assertEqual(dateformat.format(my_birthday, 'U'), '300315600')
self.assertEqual(dateformat.format(timestamp, 'u'), '123456')
self.assertEqual(dateformat.format(my_birthday, 'Z'), '3600')
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')
# Ticket #16924 -- We don't need timezone support to test this
self.assertEqual(dateformat.format(aware_dt, 'O'), '-0330')
def test_futuredates(self):
the_future = datetime(2100, 10, 25, 0, 00)
self.assertEqual(dateformat.format(the_future, r'Y'), '2100')
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')