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caebe22038
of values in the time tuple passed in. Unfortunately people came to rely on undocumented behaviour of setting unneeded values to 0, regardless of if it was within the valid range. Now those values force the value internally to the minimum value when 0 is passed in.
222 lines
8.9 KiB
Python
222 lines
8.9 KiB
Python
from test import test_support
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import time
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import unittest
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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.assert_(time.ctime(self.t)
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== time.asctime(time.localtime(self.t)))
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self.assert_(long(time.mktime(time.localtime(self.t)))
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== long(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.assertEquals(expected, result)
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def test_strptime(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.strptime(time.strftime(format, tt), format)
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except ValueError:
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self.fail('conversion specifier: %r failed.' % format)
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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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def test_tzset(self):
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if not hasattr(time, "tzset"):
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return # Can't test this; don't want the test suite to fail
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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.failUnlessEqual(
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time.gmtime(xmas2002), time.localtime(xmas2002)
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)
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self.failUnlessEqual(time.daylight, 0)
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self.failUnlessEqual(time.timezone, 0)
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self.failUnlessEqual(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.failIfEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
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self.failUnlessEqual(time.tzname, ('EST', 'EDT'))
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self.failUnlessEqual(len(time.tzname), 2)
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self.failUnlessEqual(time.daylight, 1)
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self.failUnlessEqual(time.timezone, 18000)
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self.failUnlessEqual(time.altzone, 14400)
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self.failUnlessEqual(time.localtime(xmas2002).tm_isdst, 0)
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self.failUnlessEqual(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.failIfEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
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self.failUnless(time.tzname[0] == 'AEST', str(time.tzname[0]))
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self.failUnless(time.tzname[1] == 'AEDT', str(time.tzname[1]))
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self.failUnlessEqual(len(time.tzname), 2)
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self.failUnlessEqual(time.daylight, 1)
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self.failUnlessEqual(time.timezone, -36000)
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self.failUnlessEqual(time.altzone, -39600)
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self.failUnlessEqual(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 environ.has_key('TZ'):
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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.assert_(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.assert_(0 <= (t1-t0) < 0.2)
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def test_main():
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test_support.run_unittest(TimeTestCase)
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if __name__ == "__main__":
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test_main()
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