186 lines
7.3 KiB
Python
186 lines
7.3 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.
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# Check year
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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
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 0, 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
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 0, 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
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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
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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
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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
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self.assertRaises(ValueError, time.strftime, '',
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(1900, 1, 1, 0, 0, 0, 0, 0, -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
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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_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_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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