You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

166 lines
6.5 KiB
Python

import datetime
from email import utils
import test.support
import time
import unittest
import sys
import os.path
class DateTimeTests(unittest.TestCase):
datestring = 'Sun, 23 Sep 2001 20:10:55'
dateargs = (2001, 9, 23, 20, 10, 55)
offsetstring = ' -0700'
utcoffset = datetime.timedelta(hours=-7)
tz = datetime.timezone(utcoffset)
naive_dt = datetime.datetime(*dateargs)
aware_dt = datetime.datetime(*dateargs, tzinfo=tz)
def test_naive_datetime(self):
self.assertEqual(utils.format_datetime(self.naive_dt),
self.datestring + ' -0000')
def test_aware_datetime(self):
self.assertEqual(utils.format_datetime(self.aware_dt),
self.datestring + self.offsetstring)
def test_usegmt(self):
utc_dt = datetime.datetime(*self.dateargs,
tzinfo=datetime.timezone.utc)
self.assertEqual(utils.format_datetime(utc_dt, usegmt=True),
self.datestring + ' GMT')
def test_usegmt_with_naive_datetime_raises(self):
with self.assertRaises(ValueError):
utils.format_datetime(self.naive_dt, usegmt=True)
def test_usegmt_with_non_utc_datetime_raises(self):
with self.assertRaises(ValueError):
utils.format_datetime(self.aware_dt, usegmt=True)
def test_parsedate_to_datetime(self):
self.assertEqual(
utils.parsedate_to_datetime(self.datestring + self.offsetstring),
self.aware_dt)
def test_parsedate_to_datetime_naive(self):
self.assertEqual(
utils.parsedate_to_datetime(self.datestring + ' -0000'),
self.naive_dt)
class LocaltimeTests(unittest.TestCase):
def test_localtime_is_tz_aware_daylight_true(self):
test.support.patch(self, time, 'daylight', True)
t = utils.localtime()
self.assertIsNotNone(t.tzinfo)
def test_localtime_is_tz_aware_daylight_false(self):
test.support.patch(self, time, 'daylight', False)
t = utils.localtime()
self.assertIsNotNone(t.tzinfo)
def test_localtime_daylight_true_dst_false(self):
test.support.patch(self, time, 'daylight', True)
t0 = datetime.datetime(2012, 3, 12, 1, 1)
t1 = utils.localtime(t0, isdst=-1)
t2 = utils.localtime(t1)
self.assertEqual(t1, t2)
def test_localtime_daylight_false_dst_false(self):
test.support.patch(self, time, 'daylight', False)
t0 = datetime.datetime(2012, 3, 12, 1, 1)
t1 = utils.localtime(t0, isdst=-1)
t2 = utils.localtime(t1)
self.assertEqual(t1, t2)
@test.support.run_with_tz('Europe/Minsk')
def test_localtime_daylight_true_dst_true(self):
test.support.patch(self, time, 'daylight', True)
t0 = datetime.datetime(2012, 3, 12, 1, 1)
t1 = utils.localtime(t0, isdst=1)
t2 = utils.localtime(t1)
self.assertEqual(t1, t2)
@test.support.run_with_tz('Europe/Minsk')
def test_localtime_daylight_false_dst_true(self):
test.support.patch(self, time, 'daylight', False)
t0 = datetime.datetime(2012, 3, 12, 1, 1)
t1 = utils.localtime(t0, isdst=1)
t2 = utils.localtime(t1)
self.assertEqual(t1, t2)
@test.support.run_with_tz('EST+05EDT,M3.2.0,M11.1.0')
def test_localtime_epoch_utc_daylight_true(self):
test.support.patch(self, time, 'daylight', True)
t0 = datetime.datetime(1990, 1, 1, tzinfo = datetime.timezone.utc)
t1 = utils.localtime(t0)
t2 = t0 - datetime.timedelta(hours=5)
t2 = t2.replace(tzinfo = datetime.timezone(datetime.timedelta(hours=-5)))
self.assertEqual(t1, t2)
@test.support.run_with_tz('EST+05EDT,M3.2.0,M11.1.0')
def test_localtime_epoch_utc_daylight_false(self):
test.support.patch(self, time, 'daylight', False)
t0 = datetime.datetime(1990, 1, 1, tzinfo = datetime.timezone.utc)
t1 = utils.localtime(t0)
t2 = t0 - datetime.timedelta(hours=5)
t2 = t2.replace(tzinfo = datetime.timezone(datetime.timedelta(hours=-5)))
self.assertEqual(t1, t2)
def test_localtime_epoch_notz_daylight_true(self):
test.support.patch(self, time, 'daylight', True)
t0 = datetime.datetime(1990, 1, 1)
t1 = utils.localtime(t0)
t2 = utils.localtime(t0.replace(tzinfo=None))
self.assertEqual(t1, t2)
def test_localtime_epoch_notz_daylight_false(self):
test.support.patch(self, time, 'daylight', False)
t0 = datetime.datetime(1990, 1, 1)
t1 = utils.localtime(t0)
t2 = utils.localtime(t0.replace(tzinfo=None))
self.assertEqual(t1, t2)
# XXX: Need a more robust test for Olson's tzdata
@unittest.skipIf(sys.platform.startswith('win'),
"Windows does not use Olson's TZ database")
@unittest.skipUnless(os.path.exists('/usr/share/zoneinfo') or
os.path.exists('/usr/lib/zoneinfo'),
"Can't find the Olson's TZ database")
@test.support.run_with_tz('Europe/Kiev')
def test_variable_tzname(self):
t0 = datetime.datetime(1984, 1, 1, tzinfo=datetime.timezone.utc)
t1 = utils.localtime(t0)
self.assertEqual(t1.tzname(), 'MSK')
t0 = datetime.datetime(1994, 1, 1, tzinfo=datetime.timezone.utc)
t1 = utils.localtime(t0)
self.assertEqual(t1.tzname(), 'EET')
# Issue #24836: The timezone files are out of date (pre 2011k)
# on Mac OS X Snow Leopard.
@test.support.requires_mac_ver(10, 7)
class FormatDateTests(unittest.TestCase):
@test.support.run_with_tz('Europe/Minsk')
def test_formatdate(self):
timeval = time.mktime((2011, 12, 1, 18, 0, 0, 4, 335, 0))
string = utils.formatdate(timeval, localtime=False, usegmt=False)
self.assertEqual(string, 'Thu, 01 Dec 2011 15:00:00 -0000')
string = utils.formatdate(timeval, localtime=False, usegmt=True)
self.assertEqual(string, 'Thu, 01 Dec 2011 15:00:00 GMT')
@test.support.run_with_tz('Europe/Minsk')
def test_formatdate_with_localtime(self):
timeval = time.mktime((2011, 1, 1, 18, 0, 0, 6, 1, 0))
string = utils.formatdate(timeval, localtime=True)
self.assertEqual(string, 'Sat, 01 Jan 2011 18:00:00 +0200')
# Minsk moved from +0200 (with DST) to +0300 (without DST) in 2011
timeval = time.mktime((2011, 12, 1, 18, 0, 0, 4, 335, 0))
string = utils.formatdate(timeval, localtime=True)
self.assertEqual(string, 'Thu, 01 Dec 2011 18:00:00 +0300')
if __name__ == '__main__':
unittest.main()