diff options
Diffstat (limited to 'lib/python2.7/test/test_time.py')
| -rw-r--r-- | lib/python2.7/test/test_time.py | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/lib/python2.7/test/test_time.py b/lib/python2.7/test/test_time.py new file mode 100644 index 0000000..4571c10 --- /dev/null +++ b/lib/python2.7/test/test_time.py @@ -0,0 +1,255 @@ +from test import test_support +import time +import unittest +import sys + + +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) + + # Issue #10762: Guard against invalid/non-supported format string + # so that Python don't crash (Windows crashes when the format string + # input to [w]strftime is not kosher. + if sys.platform.startswith('win'): + with self.assertRaises(ValueError): + time.strftime('%f') + + 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). + + # 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. + expected = "2000 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 + # raising 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_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)) + + # Issue #11886: Australian Eastern Standard Time (UTC+10) is called + # "EST" (as Eastern Standard Time, UTC-5) instead of "AEST" on some + # operating systems (e.g. FreeBSD), which is wrong. See for example + # this bug: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=93810 + self.assertIn(time.tzname[0], ('AEST' 'EST'), 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() |