Source

jython / Lib / test / test_time.py

Philip Jenvey 6ea437e 



















Alex Grönholm 940c472 
Philip Jenvey 6ea437e 
Alex Grönholm 940c472 
Philip Jenvey 6ea437e 











































































Leonardo Soto 8dd9793 



Philip Jenvey 6ea437e 
Alex Grönholm 940c472 
Philip Jenvey 6ea437e 

Alex Grönholm 119341d 

Philip Jenvey 6ea437e 



Alex Grönholm 119341d 

Philip Jenvey 6ea437e 
Alex Grönholm 119341d 
Philip Jenvey 6ea437e 
Alex Grönholm 119341d 

Philip Jenvey 6ea437e 
Philip Jenvey 5ec6a96 





Frank Wierzbicki 7acec88 
Philip Jenvey 6ea437e 


Alex Grönholm 119341d 






Alex Grönholm 940c472 
Alex Grönholm 119341d 

Philip Jenvey 6ea437e 
Alex Grönholm 940c472 

Philip Jenvey 6ea437e 

























Alex Grönholm 940c472 
Philip Jenvey 6ea437e 

Alex Grönholm 940c472 


Philip Jenvey 6ea437e 



Alex Grönholm 940c472 







Philip Jenvey 6ea437e 



Alex Grönholm 940c472 







Philip Jenvey 6ea437e 






























Alex Grönholm 940c472 
Philip Jenvey 6ea437e 





Alex Grönholm 940c472 











Philip Jenvey 6ea437e 





from test import test_support
import time
import unittest


class TimeTestCase(unittest.TestCase):

    def setUp(self):
        self.t = time.time()

    def test_data_attributes(self):
        time.altzone
        time.daylight
        time.timezone
        time.tzname

    def test_clock(self):
        time.clock()

    def test_conversions(self):
        self.assertTrue(time.ctime(self.t)
                     == time.asctime(time.localtime(self.t)))
        self.assertTrue(long(time.mktime(time.localtime(self.t)))
                     == long(self.t))

    def test_sleep(self):
        time.sleep(1.2)

    def test_strftime(self):
        tt = time.gmtime(self.t)
        for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
                          'j', 'm', 'M', 'p', 'S',
                          'U', 'w', 'W', 'x', 'X', 'y', 'Y', 'Z', '%'):
            format = ' %' + directive
            try:
                time.strftime(format, tt)
            except ValueError:
                self.fail('conversion specifier: %r failed.' % format)

    def test_strftime_bounds_checking(self):
        # Make sure that strftime() checks the bounds of the various parts
        #of the time tuple (0 is valid for *all* values).

        # XXX: Jython supports more dates than CPython
        if not test_support.is_jython:
            # Check year [1900, max(int)]
            self.assertRaises(ValueError, time.strftime, '',
                              (1899, 1, 1, 0, 0, 0, 0, 1, -1))
        if time.accept2dyear:
            self.assertRaises(ValueError, time.strftime, '',
                                (-1, 1, 1, 0, 0, 0, 0, 1, -1))
            self.assertRaises(ValueError, time.strftime, '',
                                (100, 1, 1, 0, 0, 0, 0, 1, -1))
        # Check month [1, 12] + zero support
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, -1, 1, 0, 0, 0, 0, 1, -1))
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 13, 1, 0, 0, 0, 0, 1, -1))
        # Check day of month [1, 31] + zero support
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, -1, 0, 0, 0, 0, 1, -1))
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 32, 0, 0, 0, 0, 1, -1))
        # Check hour [0, 23]
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, -1, 0, 0, 0, 1, -1))
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, 24, 0, 0, 0, 1, -1))
        # Check minute [0, 59]
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, 0, -1, 0, 0, 1, -1))
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, 0, 60, 0, 0, 1, -1))
        # Check second [0, 61]
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, 0, 0, -1, 0, 1, -1))
        # C99 only requires allowing for one leap second, but Python's docs say
        # allow two leap seconds (0..61)
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, 0, 0, 62, 0, 1, -1))
        # No check for upper-bound day of week;
        #  value forced into range by a ``% 7`` calculation.
        # Start check at -2 since gettmarg() increments value before taking
        #  modulo.
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, 0, 0, 0, -2, 1, -1))
        # Check day of the year [1, 366] + zero support
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, 0, 0, 0, 0, -1, -1))
        self.assertRaises(ValueError, time.strftime, '',
                            (1900, 1, 1, 0, 0, 0, 0, 367, -1))

    def test_default_values_for_zero(self):
        # Make sure that using all zeros uses the proper default values.
        # No test for daylight savings since strftime() does not change output
        # based on its value.
        if not test_support.is_jython:
            expected = "2000 01 01 00 00 00 1 001"
        else:
            # XXX: Jython doesn't support the "two digits years" hack (turned
            #      on/off by time.accept2dyears), so year 0 means exactly that
            #      and it is not converted to 2000.
            expected = "0000 01 01 00 00 00 1 001"
        result = time.strftime("%Y %m %d %H %M %S %w %j", (0,)*9)
        self.assertEqual(expected, result)

    def test_strptime(self):
        # Should be able to go round-trip from strftime to strptime without
        # throwing an exception.
        tt = time.gmtime(self.t)
        for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
                          'j', 'm', 'M', 'p', 'S',
                          'U', 'w', 'W', 'x', 'X', 'y', 'Y', 'Z', '%'):
            format = '%' + directive
            strf_output = time.strftime(format, tt)
            try:
                time.strptime(strf_output, format)
            except ValueError:
                self.fail("conversion specifier %r failed with '%s' input." %
                          (format, strf_output))

    def test_strptime_empty(self):
        try:
            time.strptime('', '')
        except ValueError:
            self.fail('strptime failed on empty args.')

    @unittest.skip("FIXME: broken")
    def test_asctime(self):
        time.asctime(time.gmtime(self.t))
        self.assertRaises(TypeError, time.asctime, 0)
        self.assertRaises(TypeError, time.asctime, ())
        # XXX: Posix compiant asctime should refuse to convert
        # year > 9999, but Linux implementation does not.
        # self.assertRaises(ValueError, time.asctime,
        #                  (12345, 1, 0, 0, 0, 0, 0, 0, 0))
        # XXX: For now, just make sure we don't have a crash:
        try:
            time.asctime((12345, 1, 1, 0, 0, 0, 0, 1, 0))
        except ValueError:
            pass

    @unittest.skipIf(not hasattr(time, "tzset"),
        "time module has no attribute tzset")
    def test_tzset(self):

        from os import environ

        # Epoch time of midnight Dec 25th 2002. Never DST in northern
        # hemisphere.
        xmas2002 = 1040774400.0

        # These formats are correct for 2002, and possibly future years
        # This format is the 'standard' as documented at:
        # http://www.opengroup.org/onlinepubs/007904975/basedefs/xbd_chap08.html
        # They are also documented in the tzset(3) man page on most Unix
        # systems.
        eastern = 'EST+05EDT,M4.1.0,M10.5.0'
        victoria = 'AEST-10AEDT-11,M10.5.0,M3.5.0'
        utc='UTC+0'

        org_TZ = environ.get('TZ',None)
        try:
            # Make sure we can switch to UTC time and results are correct
            # Note that unknown timezones default to UTC.
            # Note that altzone is undefined in UTC, as there is no DST
            environ['TZ'] = eastern
            time.tzset()
            environ['TZ'] = utc
            time.tzset()
            self.assertEqual(
                time.gmtime(xmas2002), time.localtime(xmas2002)
                )
            self.assertEqual(time.daylight, 0)
            self.assertEqual(time.timezone, 0)
            self.assertEqual(time.localtime(xmas2002).tm_isdst, 0)

            # Make sure we can switch to US/Eastern
            environ['TZ'] = eastern
            time.tzset()
            self.assertNotEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
            self.assertEqual(time.tzname, ('EST', 'EDT'))
            self.assertEqual(len(time.tzname), 2)
            self.assertEqual(time.daylight, 1)
            self.assertEqual(time.timezone, 18000)
            self.assertEqual(time.altzone, 14400)
            self.assertEqual(time.localtime(xmas2002).tm_isdst, 0)
            self.assertEqual(len(time.tzname), 2)

            # Now go to the southern hemisphere.
            environ['TZ'] = victoria
            time.tzset()
            self.assertNotEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
            self.assertTrue(time.tzname[0] == 'AEST', str(time.tzname[0]))
            self.assertTrue(time.tzname[1] == 'AEDT', str(time.tzname[1]))
            self.assertEqual(len(time.tzname), 2)
            self.assertEqual(time.daylight, 1)
            self.assertEqual(time.timezone, -36000)
            self.assertEqual(time.altzone, -39600)
            self.assertEqual(time.localtime(xmas2002).tm_isdst, 1)

        finally:
            # Repair TZ environment variable in case any other tests
            # rely on it.
            if org_TZ is not None:
                environ['TZ'] = org_TZ
            elif environ.has_key('TZ'):
                del environ['TZ']
            time.tzset()

    def test_insane_timestamps(self):
        # It's possible that some platform maps time_t to double,
        # and that this test will fail there.  This test should
        # exempt such platforms (provided they return reasonable
        # results!).
        for func in time.ctime, time.gmtime, time.localtime:
            for unreasonable in -1e200, 1e200:
                self.assertRaises(ValueError, func, unreasonable)

    def test_ctime_without_arg(self):
        # Not sure how to check the values, since the clock could tick
        # at any time.  Make sure these are at least accepted and
        # don't raise errors.
        time.ctime()
        time.ctime(None)

    def test_gmtime_without_arg(self):
        gt0 = time.gmtime()
        gt1 = time.gmtime(None)
        t0 = time.mktime(gt0)
        t1 = time.mktime(gt1)
        self.assertTrue(0 <= (t1-t0) < 0.2)

    def test_localtime_without_arg(self):
        lt0 = time.localtime()
        lt1 = time.localtime(None)
        t0 = time.mktime(lt0)
        t1 = time.mktime(lt1)
        self.assertTrue(0 <= (t1-t0) < 0.2)

    def test_mktime(self):
        # Issue #1726687
        for t in (-2, -1, 0, 1):
            try:
                tt = time.localtime(t)
            except (OverflowError, ValueError):
                pass
            else:
                self.assertEqual(time.mktime(tt), t)


def test_main():
    test_support.run_unittest(TimeTestCase)


if __name__ == "__main__":
    test_main()