| from test import support |
| import time |
| import unittest |
| import locale |
| import sysconfig |
| import sys |
| import platform |
| |
| # Max year is only limited by the size of C int. |
| SIZEOF_INT = sysconfig.get_config_var('SIZEOF_INT') or 4 |
| TIME_MAXYEAR = (1 << 8 * SIZEOF_INT - 1) - 1 |
| TIME_MINYEAR = -TIME_MAXYEAR - 1 |
| |
| |
| 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() |
| |
| @unittest.skipUnless(hasattr(time, 'clock_gettime'), |
| 'need time.clock_gettime()') |
| def test_clock_realtime(self): |
| time.clock_gettime(time.CLOCK_REALTIME) |
| |
| @unittest.skipUnless(hasattr(time, 'clock_gettime'), |
| 'need time.clock_gettime()') |
| @unittest.skipUnless(hasattr(time, 'CLOCK_MONOTONIC'), |
| 'need time.CLOCK_MONOTONIC') |
| def test_clock_monotonic(self): |
| a = time.clock_gettime(time.CLOCK_MONOTONIC) |
| b = time.clock_gettime(time.CLOCK_MONOTONIC) |
| self.assertLessEqual(a, b) |
| |
| @unittest.skipUnless(hasattr(time, 'clock_getres'), |
| 'need time.clock_getres()') |
| def test_clock_getres(self): |
| res = time.clock_getres(time.CLOCK_REALTIME) |
| self.assertGreater(res, 0.0) |
| self.assertLessEqual(res, 1.0) |
| |
| def test_conversions(self): |
| self.assertEqual(time.ctime(self.t), |
| time.asctime(time.localtime(self.t))) |
| self.assertEqual(int(time.mktime(time.localtime(self.t))), |
| int(self.t)) |
| |
| def test_sleep(self): |
| self.assertRaises(ValueError, time.sleep, -2) |
| self.assertRaises(ValueError, time.sleep, -1) |
| 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 _bounds_checking(self, func): |
| # Make sure that strftime() checks the bounds of the various parts |
| # of the time tuple (0 is valid for *all* values). |
| |
| # The year field is tested by other test cases above |
| |
| # Check month [1, 12] + zero support |
| func((1900, 0, 1, 0, 0, 0, 0, 1, -1)) |
| func((1900, 12, 1, 0, 0, 0, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, -1, 1, 0, 0, 0, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 13, 1, 0, 0, 0, 0, 1, -1)) |
| # Check day of month [1, 31] + zero support |
| func((1900, 1, 0, 0, 0, 0, 0, 1, -1)) |
| func((1900, 1, 31, 0, 0, 0, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 1, -1, 0, 0, 0, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 1, 32, 0, 0, 0, 0, 1, -1)) |
| # Check hour [0, 23] |
| func((1900, 1, 1, 23, 0, 0, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 1, 1, -1, 0, 0, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 1, 1, 24, 0, 0, 0, 1, -1)) |
| # Check minute [0, 59] |
| func((1900, 1, 1, 0, 59, 0, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 1, 1, 0, -1, 0, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 1, 1, 0, 60, 0, 0, 1, -1)) |
| # Check second [0, 61] |
| self.assertRaises(ValueError, func, |
| (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) |
| func((1900, 1, 1, 0, 0, 60, 0, 1, -1)) |
| func((1900, 1, 1, 0, 0, 61, 0, 1, -1)) |
| self.assertRaises(ValueError, func, |
| (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.assertEqual(func((1900, 1, 1, 0, 0, 0, -1, 1, -1)), |
| func((1900, 1, 1, 0, 0, 0, +6, 1, -1))) |
| self.assertRaises(ValueError, func, |
| (1900, 1, 1, 0, 0, 0, -2, 1, -1)) |
| # Check day of the year [1, 366] + zero support |
| func((1900, 1, 1, 0, 0, 0, 0, 0, -1)) |
| func((1900, 1, 1, 0, 0, 0, 0, 366, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 1, 1, 0, 0, 0, 0, -1, -1)) |
| self.assertRaises(ValueError, func, |
| (1900, 1, 1, 0, 0, 0, 0, 367, -1)) |
| |
| def test_strftime_bounding_check(self): |
| self._bounds_checking(lambda tup: time.strftime('', tup)) |
| |
| 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 and no test for year |
| # because systems vary in their support for year 0. |
| expected = "2000 01 01 00 00 00 1 001" |
| with support.check_warnings(): |
| result = time.strftime("%Y %m %d %H %M %S %w %j", (2000,)+(0,)*8) |
| 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_bytes(self): |
| # Make sure only strings are accepted as arguments to strptime. |
| self.assertRaises(TypeError, time.strptime, b'2009', "%Y") |
| self.assertRaises(TypeError, time.strptime, '2009', b'%Y') |
| |
| def test_asctime(self): |
| time.asctime(time.gmtime(self.t)) |
| |
| # Max year is only limited by the size of C int. |
| for bigyear in TIME_MAXYEAR, TIME_MINYEAR: |
| asc = time.asctime((bigyear, 6, 1) + (0,) * 6) |
| self.assertEqual(asc[-len(str(bigyear)):], str(bigyear)) |
| self.assertRaises(OverflowError, time.asctime, |
| (TIME_MAXYEAR + 1,) + (0,) * 8) |
| self.assertRaises(OverflowError, time.asctime, |
| (TIME_MINYEAR - 1,) + (0,) * 8) |
| self.assertRaises(TypeError, time.asctime, 0) |
| self.assertRaises(TypeError, time.asctime, ()) |
| self.assertRaises(TypeError, time.asctime, (0,) * 10) |
| |
| def test_asctime_bounding_check(self): |
| self._bounds_checking(time.asctime) |
| |
| def test_ctime(self): |
| t = time.mktime((1973, 9, 16, 1, 3, 52, 0, 0, -1)) |
| self.assertEqual(time.ctime(t), 'Sun Sep 16 01:03:52 1973') |
| t = time.mktime((2000, 1, 1, 0, 0, 0, 0, 0, -1)) |
| self.assertEqual(time.ctime(t), 'Sat Jan 1 00:00:00 2000') |
| for year in [-100, 100, 1000, 2000, 10000]: |
| try: |
| testval = time.mktime((year, 1, 10) + (0,)*6) |
| except (ValueError, OverflowError): |
| # If mktime fails, ctime will fail too. This may happen |
| # on some platforms. |
| pass |
| else: |
| self.assertEqual(time.ctime(testval)[20:], str(year)) |
| |
| @unittest.skipUnless(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" |
| # (non-DST timezone), and "EDT" instead of "AEDT" (DST timezone), |
| # 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] in ('AEDT', 'EDT'), 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 'TZ' in environ: |
| 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.assertAlmostEqual(t1, t0, delta=0.2) |
| |
| def test_localtime_without_arg(self): |
| lt0 = time.localtime() |
| lt1 = time.localtime(None) |
| t0 = time.mktime(lt0) |
| t1 = time.mktime(lt1) |
| self.assertAlmostEqual(t1, t0, delta=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) |
| |
| # Issue #13309: passing extreme values to mktime() or localtime() |
| # borks the glibc's internal timezone data. |
| @unittest.skipUnless(platform.libc_ver()[0] != 'glibc', |
| "disabled because of a bug in glibc. Issue #13309") |
| def test_mktime_error(self): |
| # It may not be possible to reliably make mktime return error |
| # on all platfom. This will make sure that no other exception |
| # than OverflowError is raised for an extreme value. |
| tt = time.gmtime(self.t) |
| tzname = time.strftime('%Z', tt) |
| self.assertNotEqual(tzname, 'LMT') |
| try: |
| time.mktime((-1, 1, 1, 0, 0, 0, -1, -1, -1)) |
| except OverflowError: |
| pass |
| self.assertEqual(time.strftime('%Z', tt), tzname) |
| |
| |
| class TestLocale(unittest.TestCase): |
| def setUp(self): |
| self.oldloc = locale.setlocale(locale.LC_ALL) |
| |
| def tearDown(self): |
| locale.setlocale(locale.LC_ALL, self.oldloc) |
| |
| def test_bug_3061(self): |
| try: |
| tmp = locale.setlocale(locale.LC_ALL, "fr_FR") |
| except locale.Error: |
| # skip this test |
| return |
| # This should not cause an exception |
| time.strftime("%B", (2009,2,1,0,0,0,0,0,0)) |
| |
| |
| class _BaseYearTest(unittest.TestCase): |
| def yearstr(self, y): |
| raise NotImplementedError() |
| |
| class _TestAsctimeYear: |
| _format = '%d' |
| |
| def yearstr(self, y): |
| return time.asctime((y,) + (0,) * 8).split()[-1] |
| |
| def test_large_year(self): |
| # Check that it doesn't crash for year > 9999 |
| self.assertEqual(self.yearstr(12345), '12345') |
| self.assertEqual(self.yearstr(123456789), '123456789') |
| |
| class _TestStrftimeYear: |
| |
| # Issue 13305: For years < 1000, the value is not always |
| # padded to 4 digits across platforms. The C standard |
| # assumes year >= 1900, so it does not specify the number |
| # of digits. |
| |
| if time.strftime('%Y', (1,) + (0,) * 8) == '0001': |
| _format = '%04d' |
| else: |
| _format = '%d' |
| |
| def yearstr(self, y): |
| return time.strftime('%Y', (y,) + (0,) * 8) |
| |
| def test_4dyear(self): |
| # Check that we can return the zero padded value. |
| if self._format == '%04d': |
| self.test_year('%04d') |
| else: |
| def year4d(y): |
| return time.strftime('%4Y', (y,) + (0,) * 8) |
| self.test_year('%04d', func=year4d) |
| |
| def skip_if_not_supported(y): |
| msg = "strftime() is limited to [1; 9999] with Visual Studio" |
| # Check that it doesn't crash for year > 9999 |
| try: |
| time.strftime('%Y', (y,) + (0,) * 8) |
| except ValueError: |
| cond = False |
| else: |
| cond = True |
| return unittest.skipUnless(cond, msg) |
| |
| @skip_if_not_supported(10000) |
| def test_large_year(self): |
| return super().test_large_year() |
| |
| @skip_if_not_supported(0) |
| def test_negative(self): |
| return super().test_negative() |
| |
| del skip_if_not_supported |
| |
| |
| class _Test4dYear(_BaseYearTest): |
| _format = '%d' |
| |
| def test_year(self, fmt=None, func=None): |
| fmt = fmt or self._format |
| func = func or self.yearstr |
| self.assertEqual(func(1), fmt % 1) |
| self.assertEqual(func(68), fmt % 68) |
| self.assertEqual(func(69), fmt % 69) |
| self.assertEqual(func(99), fmt % 99) |
| self.assertEqual(func(999), fmt % 999) |
| self.assertEqual(func(9999), fmt % 9999) |
| |
| def test_large_year(self): |
| self.assertEqual(self.yearstr(12345), '12345') |
| self.assertEqual(self.yearstr(123456789), '123456789') |
| self.assertEqual(self.yearstr(TIME_MAXYEAR), str(TIME_MAXYEAR)) |
| self.assertRaises(OverflowError, self.yearstr, TIME_MAXYEAR + 1) |
| |
| def test_negative(self): |
| self.assertEqual(self.yearstr(-1), self._format % -1) |
| self.assertEqual(self.yearstr(-1234), '-1234') |
| self.assertEqual(self.yearstr(-123456), '-123456') |
| self.assertEqual(self.yearstr(-123456789), str(-123456789)) |
| self.assertEqual(self.yearstr(-1234567890), str(-1234567890)) |
| self.assertEqual(self.yearstr(TIME_MINYEAR + 1900), str(TIME_MINYEAR + 1900)) |
| # Issue #13312: it may return wrong value for year < TIME_MINYEAR + 1900 |
| # Skip the value test, but check that no error is raised |
| self.yearstr(TIME_MINYEAR) |
| # self.assertEqual(self.yearstr(TIME_MINYEAR), str(TIME_MINYEAR)) |
| self.assertRaises(OverflowError, self.yearstr, TIME_MINYEAR - 1) |
| |
| |
| class TestAsctime4dyear(_TestAsctimeYear, _Test4dYear): |
| pass |
| |
| class TestStrftime4dyear(_TestStrftimeYear, _Test4dYear): |
| pass |
| |
| |
| def test_main(): |
| support.run_unittest( |
| TimeTestCase, |
| TestLocale, |
| TestAsctime4dyear, |
| TestStrftime4dyear) |
| |
| if __name__ == "__main__": |
| test_main() |