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svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r87919 | alexander.belopolsky | 2011-01-10 20:21:25 -0500 (Mon, 10 Jan 2011) | 4 lines Issue #1726687: time.mktime() will now correctly compute value one second before epoch. Original patch by Peter Wang, reported by Martin Blais. ........
265 lines
10 KiB
Python
265 lines
10 KiB
Python
from test import support
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import time
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import unittest
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import locale
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class TimeTestCase(unittest.TestCase):
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def setUp(self):
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self.t = time.time()
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def test_data_attributes(self):
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time.altzone
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time.daylight
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time.timezone
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time.tzname
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def test_clock(self):
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time.clock()
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def test_conversions(self):
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self.assertTrue(time.ctime(self.t)
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== time.asctime(time.localtime(self.t)))
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self.assertTrue(int(time.mktime(time.localtime(self.t)))
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== int(self.t))
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def test_sleep(self):
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time.sleep(1.2)
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def test_strftime(self):
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tt = time.gmtime(self.t)
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for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
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'j', 'm', 'M', 'p', 'S',
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'U', 'w', 'W', 'x', 'X', 'y', 'Y', 'Z', '%'):
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format = ' %' + directive
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try:
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time.strftime(format, tt)
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except ValueError:
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self.fail('conversion specifier: %r failed.' % format)
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def test_strftime_bounds_checking(self):
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# Make sure that strftime() checks the bounds of the various parts
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#of the time tuple (0 is valid for *all* values).
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# Check year [1900, max(int)]
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self.assertRaises(ValueError, time.strftime, '',
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(1899, 1, 1, 0, 0, 0, 0, 1, -1))
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if time.accept2dyear:
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self.assertRaises(ValueError, time.strftime, '',
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(-1, 1, 1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, time.strftime, '',
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(100, 1, 1, 0, 0, 0, 0, 1, -1))
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# Check month [1, 12] + zero support
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self.assertRaises(ValueError, time.strftime, '',
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(1900, -1, 1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 13, 1, 0, 0, 0, 0, 1, -1))
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# Check day of month [1, 31] + zero support
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, -1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 32, 0, 0, 0, 0, 1, -1))
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# Check hour [0, 23]
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, -1, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 24, 0, 0, 0, 1, -1))
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# Check minute [0, 59]
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, -1, 0, 0, 1, -1))
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 60, 0, 0, 1, -1))
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# Check second [0, 61]
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 0, -1, 0, 1, -1))
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# C99 only requires allowing for one leap second, but Python's docs say
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# allow two leap seconds (0..61)
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 0, 62, 0, 1, -1))
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# No check for upper-bound day of week;
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# value forced into range by a ``% 7`` calculation.
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# Start check at -2 since gettmarg() increments value before taking
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# modulo.
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 0, 0, -2, 1, -1))
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# Check day of the year [1, 366] + zero support
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 0, 0, 0, -1, -1))
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 0, 0, 0, 367, -1))
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# Check daylight savings flag [-1, 1]
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 0, 0, 0, 1, -2))
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 0, 0, 0, 1, 2))
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def test_default_values_for_zero(self):
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# Make sure that using all zeros uses the proper default values.
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# No test for daylight savings since strftime() does not change output
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# based on its value.
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expected = "2000 01 01 00 00 00 1 001"
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result = time.strftime("%Y %m %d %H %M %S %w %j", (0,)*9)
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self.assertEqual(expected, result)
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def test_strptime(self):
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# Should be able to go round-trip from strftime to strptime without
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# throwing an exception.
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tt = time.gmtime(self.t)
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for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
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'j', 'm', 'M', 'p', 'S',
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'U', 'w', 'W', 'x', 'X', 'y', 'Y', 'Z', '%'):
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format = '%' + directive
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strf_output = time.strftime(format, tt)
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try:
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time.strptime(strf_output, format)
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except ValueError:
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self.fail("conversion specifier %r failed with '%s' input." %
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(format, strf_output))
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def test_strptime_bytes(self):
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# Make sure only strings are accepted as arguments to strptime.
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self.assertRaises(TypeError, time.strptime, b'2009', "%Y")
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self.assertRaises(TypeError, time.strptime, '2009', b'%Y')
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def test_asctime(self):
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time.asctime(time.gmtime(self.t))
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self.assertRaises(TypeError, time.asctime, 0)
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self.assertRaises(TypeError, time.asctime, ())
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# XXX: Posix compiant asctime should refuse to convert
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# year > 9999, but Linux implementation does not.
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# self.assertRaises(ValueError, time.asctime,
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# (12345, 1, 0, 0, 0, 0, 0, 0, 0))
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# XXX: For now, just make sure we don't have a crash:
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try:
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time.asctime((12345, 1, 1, 0, 0, 0, 0, 1, 0))
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except ValueError:
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pass
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@unittest.skipIf(not hasattr(time, "tzset"),
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"time module has no attribute tzset")
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def test_tzset(self):
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from os import environ
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# Epoch time of midnight Dec 25th 2002. Never DST in northern
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# hemisphere.
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xmas2002 = 1040774400.0
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# These formats are correct for 2002, and possibly future years
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# This format is the 'standard' as documented at:
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# http://www.opengroup.org/onlinepubs/007904975/basedefs/xbd_chap08.html
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# They are also documented in the tzset(3) man page on most Unix
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# systems.
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eastern = 'EST+05EDT,M4.1.0,M10.5.0'
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victoria = 'AEST-10AEDT-11,M10.5.0,M3.5.0'
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utc='UTC+0'
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org_TZ = environ.get('TZ',None)
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try:
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# Make sure we can switch to UTC time and results are correct
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# Note that unknown timezones default to UTC.
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# Note that altzone is undefined in UTC, as there is no DST
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environ['TZ'] = eastern
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time.tzset()
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environ['TZ'] = utc
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time.tzset()
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self.assertEqual(
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time.gmtime(xmas2002), time.localtime(xmas2002)
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)
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self.assertEqual(time.daylight, 0)
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self.assertEqual(time.timezone, 0)
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self.assertEqual(time.localtime(xmas2002).tm_isdst, 0)
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# Make sure we can switch to US/Eastern
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environ['TZ'] = eastern
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time.tzset()
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self.assertNotEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
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self.assertEqual(time.tzname, ('EST', 'EDT'))
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self.assertEqual(len(time.tzname), 2)
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self.assertEqual(time.daylight, 1)
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self.assertEqual(time.timezone, 18000)
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self.assertEqual(time.altzone, 14400)
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self.assertEqual(time.localtime(xmas2002).tm_isdst, 0)
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self.assertEqual(len(time.tzname), 2)
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# Now go to the southern hemisphere.
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environ['TZ'] = victoria
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time.tzset()
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self.assertNotEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
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self.assertTrue(time.tzname[0] == 'AEST', str(time.tzname[0]))
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self.assertTrue(time.tzname[1] == 'AEDT', str(time.tzname[1]))
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self.assertEqual(len(time.tzname), 2)
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self.assertEqual(time.daylight, 1)
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self.assertEqual(time.timezone, -36000)
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self.assertEqual(time.altzone, -39600)
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self.assertEqual(time.localtime(xmas2002).tm_isdst, 1)
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finally:
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# Repair TZ environment variable in case any other tests
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# rely on it.
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if org_TZ is not None:
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environ['TZ'] = org_TZ
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elif 'TZ' in environ:
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del environ['TZ']
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time.tzset()
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def test_insane_timestamps(self):
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# It's possible that some platform maps time_t to double,
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# and that this test will fail there. This test should
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# exempt such platforms (provided they return reasonable
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# results!).
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for func in time.ctime, time.gmtime, time.localtime:
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for unreasonable in -1e200, 1e200:
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self.assertRaises(ValueError, func, unreasonable)
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def test_ctime_without_arg(self):
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# Not sure how to check the values, since the clock could tick
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# at any time. Make sure these are at least accepted and
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# don't raise errors.
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time.ctime()
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time.ctime(None)
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def test_gmtime_without_arg(self):
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gt0 = time.gmtime()
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gt1 = time.gmtime(None)
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t0 = time.mktime(gt0)
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t1 = time.mktime(gt1)
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self.assertTrue(0 <= (t1-t0) < 0.2)
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def test_localtime_without_arg(self):
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lt0 = time.localtime()
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lt1 = time.localtime(None)
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t0 = time.mktime(lt0)
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t1 = time.mktime(lt1)
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self.assertTrue(0 <= (t1-t0) < 0.2)
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def test_mktime(self):
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# Issue #1726687
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for t in (-2, -1, 0, 1):
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try:
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tt = time.localtime(t)
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except (OverflowError, ValueError):
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pass
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self.assertEqual(time.mktime(tt), t)
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class TestLocale(unittest.TestCase):
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def setUp(self):
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self.oldloc = locale.setlocale(locale.LC_ALL)
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def tearDown(self):
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locale.setlocale(locale.LC_ALL, self.oldloc)
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def test_bug_3061(self):
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try:
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tmp = locale.setlocale(locale.LC_ALL, "fr_FR")
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except locale.Error:
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# skip this test
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return
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# This should not cause an exception
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time.strftime("%B", (2009,2,1,0,0,0,0,0,0))
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def test_main():
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support.run_unittest(TimeTestCase, TestLocale)
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if __name__ == "__main__":
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test_main()
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