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9a8ad0c5ea
The test is unstable and it's not really interesting to test exactly how threads are handled.
636 lines
23 KiB
Python
636 lines
23 KiB
Python
from test import support
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import time
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import unittest
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import locale
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import sysconfig
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import sys
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import platform
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try:
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import threading
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except ImportError:
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threading = None
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# Max year is only limited by the size of C int.
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SIZEOF_INT = sysconfig.get_config_var('SIZEOF_INT') or 4
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TIME_MAXYEAR = (1 << 8 * SIZEOF_INT - 1) - 1
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TIME_MINYEAR = -TIME_MAXYEAR - 1
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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_time(self):
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time.time()
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info = time.get_clock_info('time')
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self.assertEqual(info.is_monotonic, False)
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if sys.platform != 'win32':
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self.assertEqual(info.is_adjusted, True)
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def test_clock(self):
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time.clock()
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info = time.get_clock_info('clock')
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self.assertEqual(info.is_monotonic, True)
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self.assertEqual(info.is_adjusted, False)
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@unittest.skipUnless(hasattr(time, 'clock_gettime'),
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'need time.clock_gettime()')
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def test_clock_realtime(self):
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time.clock_gettime(time.CLOCK_REALTIME)
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@unittest.skipUnless(hasattr(time, 'clock_gettime'),
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'need time.clock_gettime()')
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@unittest.skipUnless(hasattr(time, 'CLOCK_MONOTONIC'),
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'need time.CLOCK_MONOTONIC')
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def test_clock_monotonic(self):
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a = time.clock_gettime(time.CLOCK_MONOTONIC)
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b = time.clock_gettime(time.CLOCK_MONOTONIC)
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self.assertLessEqual(a, b)
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@unittest.skipUnless(hasattr(time, 'clock_getres'),
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'need time.clock_getres()')
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def test_clock_getres(self):
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res = time.clock_getres(time.CLOCK_REALTIME)
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self.assertGreater(res, 0.0)
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self.assertLessEqual(res, 1.0)
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@unittest.skipUnless(hasattr(time, 'clock_settime'),
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'need time.clock_settime()')
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def test_clock_settime(self):
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t = time.clock_gettime(time.CLOCK_REALTIME)
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try:
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time.clock_settime(time.CLOCK_REALTIME, t)
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except PermissionError:
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pass
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if hasattr(time, 'CLOCK_MONOTONIC'):
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self.assertRaises(OSError,
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time.clock_settime, time.CLOCK_MONOTONIC, 0)
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def test_conversions(self):
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self.assertEqual(time.ctime(self.t),
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time.asctime(time.localtime(self.t)))
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self.assertEqual(int(time.mktime(time.localtime(self.t))),
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int(self.t))
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def test_sleep(self):
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self.assertRaises(ValueError, time.sleep, -2)
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self.assertRaises(ValueError, time.sleep, -1)
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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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# Issue #10762: Guard against invalid/non-supported format string
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# so that Python don't crash (Windows crashes when the format string
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# input to [w]strftime is not kosher.
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if sys.platform.startswith('win'):
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with self.assertRaises(ValueError):
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time.strftime('%f')
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def _bounds_checking(self, func):
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# Make sure that strftime() checks the bounds of the various parts
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# of the time tuple (0 is valid for *all* values).
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# The year field is tested by other test cases above
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# Check month [1, 12] + zero support
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func((1900, 0, 1, 0, 0, 0, 0, 1, -1))
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func((1900, 12, 1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, -1, 1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 13, 1, 0, 0, 0, 0, 1, -1))
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# Check day of month [1, 31] + zero support
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func((1900, 1, 0, 0, 0, 0, 0, 1, -1))
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func((1900, 1, 31, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, -1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 32, 0, 0, 0, 0, 1, -1))
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# Check hour [0, 23]
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func((1900, 1, 1, 23, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, -1, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 24, 0, 0, 0, 1, -1))
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# Check minute [0, 59]
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func((1900, 1, 1, 0, 59, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, -1, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 60, 0, 0, 1, -1))
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# Check second [0, 61]
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self.assertRaises(ValueError, func,
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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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func((1900, 1, 1, 0, 0, 60, 0, 1, -1))
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func((1900, 1, 1, 0, 0, 61, 0, 1, -1))
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self.assertRaises(ValueError, func,
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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.assertEqual(func((1900, 1, 1, 0, 0, 0, -1, 1, -1)),
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func((1900, 1, 1, 0, 0, 0, +6, 1, -1)))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, 0, -2, 1, -1))
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# Check day of the year [1, 366] + zero support
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func((1900, 1, 1, 0, 0, 0, 0, 0, -1))
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func((1900, 1, 1, 0, 0, 0, 0, 366, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, 0, 0, -1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, 0, 0, 367, -1))
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def test_strftime_bounding_check(self):
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self._bounds_checking(lambda tup: time.strftime('', tup))
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def test_default_values_for_zero(self):
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# Make sure that using all zeros uses the proper default
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# values. No test for daylight savings since strftime() does
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# not change output based on its value and no test for year
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# because systems vary in their support for year 0.
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expected = "2000 01 01 00 00 00 1 001"
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with support.check_warnings():
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result = time.strftime("%Y %m %d %H %M %S %w %j", (2000,)+(0,)*8)
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self.assertEqual(expected, result)
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def test_strptime(self):
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# Should be able to go round-trip from strftime to strptime without
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# throwing an exception.
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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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strf_output = time.strftime(format, tt)
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try:
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time.strptime(strf_output, format)
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except ValueError:
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self.fail("conversion specifier %r failed with '%s' input." %
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(format, strf_output))
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def test_strptime_bytes(self):
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# Make sure only strings are accepted as arguments to strptime.
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self.assertRaises(TypeError, time.strptime, b'2009', "%Y")
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self.assertRaises(TypeError, time.strptime, '2009', b'%Y')
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def test_asctime(self):
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time.asctime(time.gmtime(self.t))
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# Max year is only limited by the size of C int.
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for bigyear in TIME_MAXYEAR, TIME_MINYEAR:
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asc = time.asctime((bigyear, 6, 1) + (0,) * 6)
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self.assertEqual(asc[-len(str(bigyear)):], str(bigyear))
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self.assertRaises(OverflowError, time.asctime,
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(TIME_MAXYEAR + 1,) + (0,) * 8)
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self.assertRaises(OverflowError, time.asctime,
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(TIME_MINYEAR - 1,) + (0,) * 8)
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self.assertRaises(TypeError, time.asctime, 0)
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self.assertRaises(TypeError, time.asctime, ())
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self.assertRaises(TypeError, time.asctime, (0,) * 10)
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def test_asctime_bounding_check(self):
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self._bounds_checking(time.asctime)
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def test_ctime(self):
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t = time.mktime((1973, 9, 16, 1, 3, 52, 0, 0, -1))
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self.assertEqual(time.ctime(t), 'Sun Sep 16 01:03:52 1973')
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t = time.mktime((2000, 1, 1, 0, 0, 0, 0, 0, -1))
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self.assertEqual(time.ctime(t), 'Sat Jan 1 00:00:00 2000')
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for year in [-100, 100, 1000, 2000, 10000]:
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try:
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testval = time.mktime((year, 1, 10) + (0,)*6)
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except (ValueError, OverflowError):
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# If mktime fails, ctime will fail too. This may happen
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# on some platforms.
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pass
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else:
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self.assertEqual(time.ctime(testval)[20:], str(year))
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@unittest.skipUnless(hasattr(time, "tzset"),
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"time module has no attribute tzset")
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def test_tzset(self):
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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.assertEqual(
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time.gmtime(xmas2002), time.localtime(xmas2002)
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)
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self.assertEqual(time.daylight, 0)
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self.assertEqual(time.timezone, 0)
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self.assertEqual(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.assertNotEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
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self.assertEqual(time.tzname, ('EST', 'EDT'))
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self.assertEqual(len(time.tzname), 2)
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self.assertEqual(time.daylight, 1)
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self.assertEqual(time.timezone, 18000)
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self.assertEqual(time.altzone, 14400)
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self.assertEqual(time.localtime(xmas2002).tm_isdst, 0)
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self.assertEqual(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.assertNotEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
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# Issue #11886: Australian Eastern Standard Time (UTC+10) is called
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# "EST" (as Eastern Standard Time, UTC-5) instead of "AEST"
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# (non-DST timezone), and "EDT" instead of "AEDT" (DST timezone),
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# on some operating systems (e.g. FreeBSD), which is wrong. See for
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# example this bug:
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# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=93810
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self.assertIn(time.tzname[0], ('AEST' 'EST'), time.tzname[0])
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self.assertTrue(time.tzname[1] in ('AEDT', 'EDT'), str(time.tzname[1]))
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self.assertEqual(len(time.tzname), 2)
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self.assertEqual(time.daylight, 1)
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self.assertEqual(time.timezone, -36000)
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self.assertEqual(time.altzone, -39600)
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self.assertEqual(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 'TZ' in environ:
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del environ['TZ']
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time.tzset()
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def test_insane_timestamps(self):
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# It's possible that some platform maps time_t to double,
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# and that this test will fail there. This test should
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# exempt such platforms (provided they return reasonable
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# results!).
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for func in time.ctime, time.gmtime, time.localtime:
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for unreasonable in -1e200, 1e200:
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self.assertRaises(OverflowError, func, unreasonable)
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def test_ctime_without_arg(self):
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# Not sure how to check the values, since the clock could tick
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# at any time. Make sure these are at least accepted and
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# don't raise errors.
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time.ctime()
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time.ctime(None)
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def test_gmtime_without_arg(self):
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gt0 = time.gmtime()
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gt1 = time.gmtime(None)
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t0 = time.mktime(gt0)
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t1 = time.mktime(gt1)
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self.assertAlmostEqual(t1, t0, delta=0.2)
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def test_localtime_without_arg(self):
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lt0 = time.localtime()
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lt1 = time.localtime(None)
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t0 = time.mktime(lt0)
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t1 = time.mktime(lt1)
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self.assertAlmostEqual(t1, t0, delta=0.2)
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def test_mktime(self):
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# Issue #1726687
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for t in (-2, -1, 0, 1):
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try:
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tt = time.localtime(t)
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except (OverflowError, OSError):
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pass
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else:
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self.assertEqual(time.mktime(tt), t)
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# Issue #13309: passing extreme values to mktime() or localtime()
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# borks the glibc's internal timezone data.
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@unittest.skipUnless(platform.libc_ver()[0] != 'glibc',
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"disabled because of a bug in glibc. Issue #13309")
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def test_mktime_error(self):
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# It may not be possible to reliably make mktime return error
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# on all platfom. This will make sure that no other exception
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# than OverflowError is raised for an extreme value.
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tt = time.gmtime(self.t)
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tzname = time.strftime('%Z', tt)
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self.assertNotEqual(tzname, 'LMT')
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try:
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time.mktime((-1, 1, 1, 0, 0, 0, -1, -1, -1))
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except OverflowError:
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pass
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self.assertEqual(time.strftime('%Z', tt), tzname)
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@unittest.skipUnless(hasattr(time, 'monotonic'),
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'need time.monotonic')
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def test_monotonic(self):
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t1 = time.monotonic()
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time.sleep(0.1)
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t2 = time.monotonic()
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dt = t2 - t1
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self.assertGreater(t2, t1)
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self.assertAlmostEqual(dt, 0.1, delta=0.2)
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info = time.get_clock_info('monotonic')
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self.assertEqual(info.is_monotonic, True)
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if sys.platform == 'linux':
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self.assertEqual(info.is_adjusted, True)
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else:
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self.assertEqual(info.is_adjusted, False)
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def test_perf_counter(self):
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time.perf_counter()
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def test_process_time(self):
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start = time.process_time()
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time.sleep(0.1)
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stop = time.process_time()
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self.assertLess(stop - start, 0.01)
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info = time.get_clock_info('process_time')
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self.assertEqual(info.is_monotonic, True)
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self.assertEqual(info.is_adjusted, False)
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@unittest.skipUnless(hasattr(time, 'monotonic'),
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'need time.monotonic')
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@unittest.skipUnless(hasattr(time, 'clock_settime'),
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'need time.clock_settime')
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def test_monotonic_settime(self):
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t1 = time.monotonic()
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realtime = time.clock_gettime(time.CLOCK_REALTIME)
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# jump backward with an offset of 1 hour
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try:
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time.clock_settime(time.CLOCK_REALTIME, realtime - 3600)
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except PermissionError as err:
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self.skipTest(err)
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t2 = time.monotonic()
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time.clock_settime(time.CLOCK_REALTIME, realtime)
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# monotonic must not be affected by system clock updates
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self.assertGreaterEqual(t2, t1)
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def test_localtime_failure(self):
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# Issue #13847: check for localtime() failure
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invalid_time_t = None
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for time_t in (-1, 2**30, 2**33, 2**60):
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try:
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time.localtime(time_t)
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except OverflowError:
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self.skipTest("need 64-bit time_t")
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except OSError:
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invalid_time_t = time_t
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break
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if invalid_time_t is None:
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self.skipTest("unable to find an invalid time_t value")
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self.assertRaises(OSError, time.localtime, invalid_time_t)
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self.assertRaises(OSError, time.ctime, invalid_time_t)
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def test_get_clock_info(self):
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clocks = ['clock', 'perf_counter', 'process_time', 'time']
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if hasattr(time, 'monotonic'):
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clocks.append('monotonic')
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for name in clocks:
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info = time.get_clock_info(name)
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#self.assertIsInstance(info, dict)
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self.assertIsInstance(info.implementation, str)
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self.assertNotEqual(info.implementation, '')
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self.assertIsInstance(info.is_monotonic, bool)
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self.assertIsInstance(info.resolution, float)
|
|
# 0.0 < resolution <= 1.0
|
|
self.assertGreater(info.resolution, 0.0)
|
|
self.assertLessEqual(info.resolution, 1.0)
|
|
self.assertIsInstance(info.is_adjusted, bool)
|
|
|
|
self.assertRaises(ValueError, time.get_clock_info, 'xxx')
|
|
|
|
|
|
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
|
|
|
|
|
|
class TestPytime(unittest.TestCase):
|
|
def setUp(self):
|
|
self.invalid_values = (
|
|
-(2 ** 100), 2 ** 100,
|
|
-(2.0 ** 100.0), 2.0 ** 100.0,
|
|
)
|
|
|
|
def test_time_t(self):
|
|
from _testcapi import pytime_object_to_time_t
|
|
for obj, time_t in (
|
|
(0, 0),
|
|
(-1, -1),
|
|
(-1.0, -1),
|
|
(-1.9, -1),
|
|
(1.0, 1),
|
|
(1.9, 1),
|
|
):
|
|
self.assertEqual(pytime_object_to_time_t(obj), time_t)
|
|
|
|
for invalid in self.invalid_values:
|
|
self.assertRaises(OverflowError, pytime_object_to_time_t, invalid)
|
|
|
|
def test_timeval(self):
|
|
from _testcapi import pytime_object_to_timeval
|
|
for obj, timeval in (
|
|
(0, (0, 0)),
|
|
(-1, (-1, 0)),
|
|
(-1.0, (-1, 0)),
|
|
(1e-6, (0, 1)),
|
|
(-1e-6, (-1, 999999)),
|
|
(-1.2, (-2, 800000)),
|
|
(1.1234560, (1, 123456)),
|
|
(1.1234569, (1, 123456)),
|
|
(-1.1234560, (-2, 876544)),
|
|
(-1.1234561, (-2, 876543)),
|
|
):
|
|
self.assertEqual(pytime_object_to_timeval(obj), timeval)
|
|
|
|
for invalid in self.invalid_values:
|
|
self.assertRaises(OverflowError, pytime_object_to_timeval, invalid)
|
|
|
|
def test_timespec(self):
|
|
from _testcapi import pytime_object_to_timespec
|
|
for obj, timespec in (
|
|
(0, (0, 0)),
|
|
(-1, (-1, 0)),
|
|
(-1.0, (-1, 0)),
|
|
(1e-9, (0, 1)),
|
|
(-1e-9, (-1, 999999999)),
|
|
(-1.2, (-2, 800000000)),
|
|
(1.1234567890, (1, 123456789)),
|
|
(1.1234567899, (1, 123456789)),
|
|
(-1.1234567890, (-2, 876543211)),
|
|
(-1.1234567891, (-2, 876543210)),
|
|
):
|
|
self.assertEqual(pytime_object_to_timespec(obj), timespec)
|
|
|
|
for invalid in self.invalid_values:
|
|
self.assertRaises(OverflowError, pytime_object_to_timespec, invalid)
|
|
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(
|
|
TimeTestCase,
|
|
TestLocale,
|
|
TestAsctime4dyear,
|
|
TestStrftime4dyear,
|
|
TestPytime)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|