| 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 | |
| # 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_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() |