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7f53a5027d
negative, instead of an infinite sleep on Windows or raising an IOError on Linux for example, to have the same behaviour on all platforms.
357 lines
13 KiB
Python
357 lines
13 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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import sysconfig
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import sys
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import warnings
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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.assertEqual(time.ctime(self.t),
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time.asctime(time.localtime(self.t)))
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self.assertEqual(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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self.assertRaises(ValueError, time.sleep, -2)
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self.assertRaises(ValueError, time.sleep, -1)
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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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# Issue #10762: Guard against invalid/non-supported format string
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# so that Python don't crash (Windows crashes when the format string
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# input to [w]strftime is not kosher.
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if sys.platform.startswith('win'):
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with self.assertRaises(ValueError):
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time.strftime('%f')
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def _bounds_checking(self, func=time.strftime):
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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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# The year field is tested by other test cases above
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# Check month [1, 12] + zero support
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self.assertRaises(ValueError, func,
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(1900, -1, 1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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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, func,
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(1900, 1, -1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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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, func,
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(1900, 1, 1, -1, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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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, func,
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(1900, 1, 1, 0, -1, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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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, func,
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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, func,
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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, func,
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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, func,
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(1900, 1, 1, 0, 0, 0, 0, -1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, 0, 0, 367, -1))
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def test_strftime_bounding_check(self):
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self._bounds_checking(lambda tup: time.strftime('', tup))
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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
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# values. No test for daylight savings since strftime() does
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# not change output based on its value and no test for year
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# because systems vary in their support for year 0.
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expected = "2000 01 01 00 00 00 1 001"
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with support.check_warnings():
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result = time.strftime("%Y %m %d %H %M %S %w %j", (2000,)+(0,)*8)
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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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# Max year is only limited by the size of C int.
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sizeof_int = sysconfig.get_config_var('SIZEOF_INT') or 4
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bigyear = (1 << 8 * sizeof_int - 1) - 1
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asc = time.asctime((bigyear, 6, 1) + (0,)*6)
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self.assertEqual(asc[-len(str(bigyear)):], str(bigyear))
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self.assertRaises(OverflowError, time.asctime, (bigyear + 1,) + (0,)*8)
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self.assertRaises(TypeError, time.asctime, 0)
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self.assertRaises(TypeError, time.asctime, ())
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self.assertRaises(TypeError, time.asctime, (0,) * 10)
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def test_asctime_bounding_check(self):
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self._bounds_checking(time.asctime)
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def test_ctime(self):
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t = time.mktime((1973, 9, 16, 1, 3, 52, 0, 0, -1))
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self.assertEqual(time.ctime(t), 'Sun Sep 16 01:03:52 1973')
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t = time.mktime((2000, 1, 1, 0, 0, 0, 0, 0, -1))
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self.assertEqual(time.ctime(t), 'Sat Jan 1 00:00:00 2000')
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for year in [-100, 100, 1000, 2000, 10000]:
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try:
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testval = time.mktime((year, 1, 10) + (0,)*6)
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except (ValueError, OverflowError):
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# If mktime fails, ctime will fail too. This may happen
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# on some platforms.
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pass
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else:
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self.assertEqual(time.ctime(testval)[20:], str(year))
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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.assertAlmostEqual(t1, t0, delta=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.assertAlmostEqual(t1, t0, delta=0.2)
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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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class _BaseYearTest(unittest.TestCase):
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def yearstr(self, y):
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raise NotImplementedError()
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class _TestAsctimeYear:
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def yearstr(self, y):
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return time.asctime((y,) + (0,) * 8).split()[-1]
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def test_large_year(self):
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# Check that it doesn't crash for year > 9999
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self.assertEqual(self.yearstr(12345), '12345')
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self.assertEqual(self.yearstr(123456789), '123456789')
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class _TestStrftimeYear:
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def yearstr(self, y):
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return time.strftime('%Y', (y,) + (0,) * 8).split()[-1]
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def test_large_year(self):
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# Check that it doesn't crash for year > 9999
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try:
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text = self.yearstr(12345)
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except ValueError:
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# strftime() is limited to [1; 9999] with Visual Studio
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return
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self.assertEqual(text, '12345')
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self.assertEqual(self.yearstr(123456789), '123456789')
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class _Test4dYear(_BaseYearTest):
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def test_year(self):
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self.assertIn(self.yearstr(1), ('1', '0001'))
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self.assertIn(self.yearstr(68), ('68', '0068'))
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self.assertIn(self.yearstr(69), ('69', '0069'))
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self.assertIn(self.yearstr(99), ('99', '0099'))
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self.assertIn(self.yearstr(999), ('999', '0999'))
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self.assertEqual(self.yearstr(9999), '9999')
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def test_negative(self):
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try:
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text = self.yearstr(-1)
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except ValueError:
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# strftime() is limited to [1; 9999] with Visual Studio
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return
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self.assertIn(text, ('-1', '-001'))
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self.assertEqual(self.yearstr(-1234), '-1234')
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self.assertEqual(self.yearstr(-123456), '-123456')
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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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else:
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self.assertEqual(time.mktime(tt), t)
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# It may not be possible to reliably make mktime return error
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# on all platfom. This will make sure that no other exception
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# than OverflowError is raised for an extreme value.
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try:
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time.mktime((-1, 1, 1, 0, 0, 0, -1, -1, -1))
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except OverflowError:
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pass
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class TestAsctime4dyear(_TestAsctimeYear, _Test4dYear):
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pass
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class TestStrftime4dyear(_TestStrftimeYear, _Test4dYear):
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pass
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def test_main():
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support.run_unittest(
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TimeTestCase,
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TestLocale,
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TestAsctime4dyear,
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TestStrftime4dyear)
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if __name__ == "__main__":
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test_main()
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