mirror of https://github.com/python/cpython
770 lines
36 KiB
Python
770 lines
36 KiB
Python
"""PyUnit testing against strptime"""
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import unittest
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import time
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import locale
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import re
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import os
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import sys
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from test import support
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from test.support import skip_if_buggy_ucrt_strfptime
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from datetime import date as datetime_date
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import _strptime
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class getlang_Tests(unittest.TestCase):
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"""Test _getlang"""
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def test_basic(self):
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self.assertEqual(_strptime._getlang(), locale.getlocale(locale.LC_TIME))
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class LocaleTime_Tests(unittest.TestCase):
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"""Tests for _strptime.LocaleTime.
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All values are lower-cased when stored in LocaleTime, so make sure to
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compare values after running ``lower`` on them.
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"""
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def setUp(self):
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"""Create time tuple based on current time."""
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self.time_tuple = time.localtime()
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self.LT_ins = _strptime.LocaleTime()
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def compare_against_time(self, testing, directive, tuple_position,
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error_msg):
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"""Helper method that tests testing against directive based on the
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tuple_position of time_tuple. Uses error_msg as error message.
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"""
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strftime_output = time.strftime(directive, self.time_tuple).lower()
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comparison = testing[self.time_tuple[tuple_position]]
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self.assertIn(strftime_output, testing,
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"%s: not found in tuple" % error_msg)
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self.assertEqual(comparison, strftime_output,
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"%s: position within tuple incorrect; %s != %s" %
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(error_msg, comparison, strftime_output))
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def test_weekday(self):
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# Make sure that full and abbreviated weekday names are correct in
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# both string and position with tuple
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self.compare_against_time(self.LT_ins.f_weekday, '%A', 6,
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"Testing of full weekday name failed")
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self.compare_against_time(self.LT_ins.a_weekday, '%a', 6,
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"Testing of abbreviated weekday name failed")
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def test_month(self):
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# Test full and abbreviated month names; both string and position
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# within the tuple
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self.compare_against_time(self.LT_ins.f_month, '%B', 1,
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"Testing against full month name failed")
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self.compare_against_time(self.LT_ins.a_month, '%b', 1,
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"Testing against abbreviated month name failed")
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def test_am_pm(self):
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# Make sure AM/PM representation done properly
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strftime_output = time.strftime("%p", self.time_tuple).lower()
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self.assertIn(strftime_output, self.LT_ins.am_pm,
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"AM/PM representation not in tuple")
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if self.time_tuple[3] < 12: position = 0
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else: position = 1
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self.assertEqual(self.LT_ins.am_pm[position], strftime_output,
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"AM/PM representation in the wrong position within the tuple")
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@unittest.skipIf(
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support.is_emscripten, "musl libc issue on Emscripten, bpo-46390"
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)
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def test_timezone(self):
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# Make sure timezone is correct
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timezone = time.strftime("%Z", self.time_tuple).lower()
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if timezone:
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self.assertTrue(timezone in self.LT_ins.timezone[0] or
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timezone in self.LT_ins.timezone[1],
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"timezone %s not found in %s" %
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(timezone, self.LT_ins.timezone))
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def test_date_time(self):
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# Check that LC_date_time, LC_date, and LC_time are correct
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# the magic date is used so as to not have issues with %c when day of
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# the month is a single digit and has a leading space. This is not an
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# issue since strptime still parses it correctly. The problem is
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# testing these directives for correctness by comparing strftime
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# output.
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magic_date = (1999, 3, 17, 22, 44, 55, 2, 76, 0)
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strftime_output = time.strftime("%c", magic_date)
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self.assertEqual(time.strftime(self.LT_ins.LC_date_time, magic_date),
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strftime_output, "LC_date_time incorrect")
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strftime_output = time.strftime("%x", magic_date)
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self.assertEqual(time.strftime(self.LT_ins.LC_date, magic_date),
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strftime_output, "LC_date incorrect")
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strftime_output = time.strftime("%X", magic_date)
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self.assertEqual(time.strftime(self.LT_ins.LC_time, magic_date),
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strftime_output, "LC_time incorrect")
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LT = _strptime.LocaleTime()
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LT.am_pm = ('', '')
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self.assertTrue(LT.LC_time, "LocaleTime's LC directives cannot handle "
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"empty strings")
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def test_lang(self):
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# Make sure lang is set to what _getlang() returns
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# Assuming locale has not changed between now and when self.LT_ins was created
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self.assertEqual(self.LT_ins.lang, _strptime._getlang())
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class TimeRETests(unittest.TestCase):
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"""Tests for TimeRE."""
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def setUp(self):
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"""Construct generic TimeRE object."""
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self.time_re = _strptime.TimeRE()
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self.locale_time = _strptime.LocaleTime()
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def test_pattern(self):
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# Test TimeRE.pattern
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pattern_string = self.time_re.pattern(r"%a %A %d")
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self.assertTrue(pattern_string.find(self.locale_time.a_weekday[2]) != -1,
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"did not find abbreviated weekday in pattern string '%s'" %
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pattern_string)
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self.assertTrue(pattern_string.find(self.locale_time.f_weekday[4]) != -1,
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"did not find full weekday in pattern string '%s'" %
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pattern_string)
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self.assertTrue(pattern_string.find(self.time_re['d']) != -1,
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"did not find 'd' directive pattern string '%s'" %
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pattern_string)
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def test_pattern_escaping(self):
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# Make sure any characters in the format string that might be taken as
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# regex syntax is escaped.
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pattern_string = self.time_re.pattern(r"\d+")
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self.assertIn(r"\\d\+", pattern_string,
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"%s does not have re characters escaped properly" %
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pattern_string)
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@skip_if_buggy_ucrt_strfptime
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def test_compile(self):
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# Check that compiled regex is correct
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found = self.time_re.compile(r"%A").match(self.locale_time.f_weekday[6])
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self.assertTrue(found and found.group('A') == self.locale_time.f_weekday[6],
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"re object for '%A' failed")
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compiled = self.time_re.compile(r"%a %b")
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found = compiled.match("%s %s" % (self.locale_time.a_weekday[4],
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self.locale_time.a_month[4]))
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self.assertTrue(found,
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"Match failed with '%s' regex and '%s' string" %
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(compiled.pattern, "%s %s" % (self.locale_time.a_weekday[4],
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self.locale_time.a_month[4])))
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self.assertTrue(found.group('a') == self.locale_time.a_weekday[4] and
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found.group('b') == self.locale_time.a_month[4],
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"re object couldn't find the abbreviated weekday month in "
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"'%s' using '%s'; group 'a' = '%s', group 'b' = %s'" %
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(found.string, found.re.pattern, found.group('a'),
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found.group('b')))
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for directive in ('a','A','b','B','c','d','G','H','I','j','m','M','p',
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'S','u','U','V','w','W','x','X','y','Y','Z','%'):
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compiled = self.time_re.compile("%" + directive)
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found = compiled.match(time.strftime("%" + directive))
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self.assertTrue(found, "Matching failed on '%s' using '%s' regex" %
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(time.strftime("%" + directive),
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compiled.pattern))
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def test_blankpattern(self):
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# Make sure when tuple or something has no values no regex is generated.
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# Fixes bug #661354
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test_locale = _strptime.LocaleTime()
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test_locale.timezone = (frozenset(), frozenset())
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self.assertEqual(_strptime.TimeRE(test_locale).pattern("%Z"), '',
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"with timezone == ('',''), TimeRE().pattern('%Z') != ''")
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def test_matching_with_escapes(self):
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# Make sure a format that requires escaping of characters works
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compiled_re = self.time_re.compile(r"\w+ %m")
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found = compiled_re.match(r"\w+ 10")
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self.assertTrue(found, r"Escaping failed of format '\w+ 10'")
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def test_locale_data_w_regex_metacharacters(self):
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# Check that if locale data contains regex metacharacters they are
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# escaped properly.
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# Discovered by bug #1039270 .
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locale_time = _strptime.LocaleTime()
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locale_time.timezone = (frozenset(("utc", "gmt",
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"Tokyo (standard time)")),
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frozenset("Tokyo (daylight time)"))
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time_re = _strptime.TimeRE(locale_time)
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self.assertTrue(time_re.compile("%Z").match("Tokyo (standard time)"),
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"locale data that contains regex metacharacters is not"
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" properly escaped")
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def test_whitespace_substitution(self):
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# When pattern contains whitespace, make sure it is taken into account
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# so as to not allow subpatterns to end up next to each other and
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# "steal" characters from each other.
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pattern = self.time_re.pattern('%j %H')
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self.assertFalse(re.match(pattern, "180"))
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self.assertTrue(re.match(pattern, "18 0"))
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class StrptimeTests(unittest.TestCase):
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"""Tests for _strptime.strptime."""
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def setUp(self):
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"""Create testing time tuple."""
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self.time_tuple = time.gmtime()
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def test_ValueError(self):
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# Make sure ValueError is raised when match fails or format is bad
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self.assertRaises(ValueError, _strptime._strptime_time, data_string="%d",
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format="%A")
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for bad_format in ("%", "% ", "%e"):
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try:
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_strptime._strptime_time("2005", bad_format)
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except ValueError:
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continue
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except Exception as err:
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self.fail("'%s' raised %s, not ValueError" %
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(bad_format, err.__class__.__name__))
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else:
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self.fail("'%s' did not raise ValueError" % bad_format)
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msg_week_no_year_or_weekday = r"ISO week directive '%V' must be used with " \
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r"the ISO year directive '%G' and a weekday directive " \
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r"\('%A', '%a', '%w', or '%u'\)."
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msg_week_not_compatible = r"ISO week directive '%V' is incompatible with " \
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r"the year directive '%Y'. Use the ISO year '%G' instead."
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msg_julian_not_compatible = r"Day of the year directive '%j' is not " \
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r"compatible with ISO year directive '%G'. Use '%Y' instead."
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msg_year_no_week_or_weekday = r"ISO year directive '%G' must be used with " \
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r"the ISO week directive '%V' and a weekday directive " \
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r"\('%A', '%a', '%w', or '%u'\)."
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locale_time = _strptime.LocaleTime()
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# Ambiguous or incomplete cases using ISO year/week/weekday directives
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subtests = [
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# 1. ISO week (%V) is specified, but the year is specified with %Y
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# instead of %G
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("1999 50", "%Y %V", msg_week_no_year_or_weekday),
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("1999 50 5", "%Y %V %u", msg_week_not_compatible),
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# 2. ISO year (%G) and ISO week (%V) are specified, but weekday is not
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("1999 51", "%G %V", msg_year_no_week_or_weekday),
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# 3. ISO year (%G) and weekday are specified, but ISO week (%V) is not
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("1999 {}".format(locale_time.f_weekday[5]), "%G %A",
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msg_year_no_week_or_weekday),
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("1999 {}".format(locale_time.a_weekday[5]), "%G %a",
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msg_year_no_week_or_weekday),
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("1999 5", "%G %w", msg_year_no_week_or_weekday),
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("1999 5", "%G %u", msg_year_no_week_or_weekday),
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# 4. ISO year is specified alone (e.g. time.strptime('2015', '%G'))
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("2015", "%G", msg_year_no_week_or_weekday),
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# 5. Julian/ordinal day (%j) is specified with %G, but not %Y
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("1999 256", "%G %j", msg_julian_not_compatible),
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("1999 50 5 256", "%G %V %u %j", msg_julian_not_compatible),
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# ISO week specified alone
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("50", "%V", msg_week_no_year_or_weekday),
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# ISO year is unspecified, falling back to year
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("50 5", "%V %u", msg_week_no_year_or_weekday),
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# 6. Invalid ISO weeks
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("2019-00-1", "%G-%V-%u",
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"time data '2019-00-1' does not match format '%G-%V-%u'"),
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("2019-54-1", "%G-%V-%u",
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"time data '2019-54-1' does not match format '%G-%V-%u'"),
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("2021-53-1", "%G-%V-%u", "Invalid week: 53"),
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]
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for (data_string, format, message) in subtests:
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with self.subTest(data_string=data_string, format=format):
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with self.assertRaisesRegex(ValueError, message):
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_strptime._strptime(data_string, format)
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def test_strptime_exception_context(self):
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# check that this doesn't chain exceptions needlessly (see #17572)
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with self.assertRaises(ValueError) as e:
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_strptime._strptime_time('', '%D')
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self.assertIs(e.exception.__suppress_context__, True)
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# additional check for IndexError branch (issue #19545)
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with self.assertRaises(ValueError) as e:
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_strptime._strptime_time('19', '%Y %')
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self.assertIs(e.exception.__suppress_context__, True)
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def test_unconverteddata(self):
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# Check ValueError is raised when there is unconverted data
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self.assertRaises(ValueError, _strptime._strptime_time, "10 12", "%m")
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def helper(self, directive, position):
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"""Helper fxn in testing."""
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strf_output = time.strftime("%" + directive, self.time_tuple)
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strp_output = _strptime._strptime_time(strf_output, "%" + directive)
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self.assertTrue(strp_output[position] == self.time_tuple[position],
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"testing of '%s' directive failed; '%s' -> %s != %s" %
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(directive, strf_output, strp_output[position],
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self.time_tuple[position]))
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def test_year(self):
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# Test that the year is handled properly
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for directive in ('y', 'Y'):
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self.helper(directive, 0)
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# Must also make sure %y values are correct for bounds set by Open Group
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for century, bounds in ((1900, ('69', '99')), (2000, ('00', '68'))):
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for bound in bounds:
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strp_output = _strptime._strptime_time(bound, '%y')
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expected_result = century + int(bound)
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self.assertTrue(strp_output[0] == expected_result,
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"'y' test failed; passed in '%s' "
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"and returned '%s'" % (bound, strp_output[0]))
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def test_month(self):
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# Test for month directives
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for directive in ('B', 'b', 'm'):
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self.helper(directive, 1)
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def test_day(self):
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# Test for day directives
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self.helper('d', 2)
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def test_hour(self):
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# Test hour directives
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self.helper('H', 3)
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strf_output = time.strftime("%I %p", self.time_tuple)
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strp_output = _strptime._strptime_time(strf_output, "%I %p")
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self.assertTrue(strp_output[3] == self.time_tuple[3],
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"testing of '%%I %%p' directive failed; '%s' -> %s != %s" %
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(strf_output, strp_output[3], self.time_tuple[3]))
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def test_minute(self):
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# Test minute directives
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self.helper('M', 4)
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def test_second(self):
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# Test second directives
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self.helper('S', 5)
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def test_fraction(self):
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# Test microseconds
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import datetime
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d = datetime.datetime(2012, 12, 20, 12, 34, 56, 78987)
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tup, frac, _ = _strptime._strptime(str(d), format="%Y-%m-%d %H:%M:%S.%f")
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self.assertEqual(frac, d.microsecond)
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def test_weekday(self):
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# Test weekday directives
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for directive in ('A', 'a', 'w', 'u'):
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self.helper(directive,6)
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def test_julian(self):
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# Test julian directives
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self.helper('j', 7)
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def test_offset(self):
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one_hour = 60 * 60
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half_hour = 30 * 60
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half_minute = 30
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(*_, offset), _, offset_fraction = _strptime._strptime("+0130", "%z")
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self.assertEqual(offset, one_hour + half_hour)
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self.assertEqual(offset_fraction, 0)
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(*_, offset), _, offset_fraction = _strptime._strptime("-0100", "%z")
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self.assertEqual(offset, -one_hour)
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self.assertEqual(offset_fraction, 0)
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(*_, offset), _, offset_fraction = _strptime._strptime("-013030", "%z")
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self.assertEqual(offset, -(one_hour + half_hour + half_minute))
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self.assertEqual(offset_fraction, 0)
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(*_, offset), _, offset_fraction = _strptime._strptime("-013030.000001", "%z")
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self.assertEqual(offset, -(one_hour + half_hour + half_minute))
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self.assertEqual(offset_fraction, -1)
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(*_, offset), _, offset_fraction = _strptime._strptime("+01:00", "%z")
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self.assertEqual(offset, one_hour)
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self.assertEqual(offset_fraction, 0)
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(*_, offset), _, offset_fraction = _strptime._strptime("-01:30", "%z")
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self.assertEqual(offset, -(one_hour + half_hour))
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self.assertEqual(offset_fraction, 0)
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(*_, offset), _, offset_fraction = _strptime._strptime("-01:30:30", "%z")
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self.assertEqual(offset, -(one_hour + half_hour + half_minute))
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self.assertEqual(offset_fraction, 0)
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(*_, offset), _, offset_fraction = _strptime._strptime("-01:30:30.000001", "%z")
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self.assertEqual(offset, -(one_hour + half_hour + half_minute))
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self.assertEqual(offset_fraction, -1)
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(*_, offset), _, offset_fraction = _strptime._strptime("+01:30:30.001", "%z")
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self.assertEqual(offset, one_hour + half_hour + half_minute)
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self.assertEqual(offset_fraction, 1000)
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(*_, offset), _, offset_fraction = _strptime._strptime("Z", "%z")
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self.assertEqual(offset, 0)
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self.assertEqual(offset_fraction, 0)
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def test_bad_offset(self):
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with self.assertRaises(ValueError):
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_strptime._strptime("-01:30:30.", "%z")
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with self.assertRaises(ValueError):
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_strptime._strptime("-0130:30", "%z")
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with self.assertRaises(ValueError):
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_strptime._strptime("-01:30:30.1234567", "%z")
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with self.assertRaises(ValueError):
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_strptime._strptime("-01:30:30:123456", "%z")
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with self.assertRaises(ValueError) as err:
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_strptime._strptime("-01:3030", "%z")
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self.assertEqual("Inconsistent use of : in -01:3030", str(err.exception))
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@skip_if_buggy_ucrt_strfptime
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@unittest.skipIf(
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support.is_emscripten, "musl libc issue on Emscripten, bpo-46390"
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)
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def test_timezone(self):
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# Test timezone directives.
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# When gmtime() is used with %Z, entire result of strftime() is empty.
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# Check for equal timezone names deals with bad locale info when this
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# occurs; first found in FreeBSD 4.4.
|
|
strp_output = _strptime._strptime_time("UTC", "%Z")
|
|
self.assertEqual(strp_output.tm_isdst, 0)
|
|
strp_output = _strptime._strptime_time("GMT", "%Z")
|
|
self.assertEqual(strp_output.tm_isdst, 0)
|
|
time_tuple = time.localtime()
|
|
strf_output = time.strftime("%Z") #UTC does not have a timezone
|
|
strp_output = _strptime._strptime_time(strf_output, "%Z")
|
|
locale_time = _strptime.LocaleTime()
|
|
if time.tzname[0] != time.tzname[1] or not time.daylight:
|
|
self.assertTrue(strp_output[8] == time_tuple[8],
|
|
"timezone check failed; '%s' -> %s != %s" %
|
|
(strf_output, strp_output[8], time_tuple[8]))
|
|
else:
|
|
self.assertTrue(strp_output[8] == -1,
|
|
"LocaleTime().timezone has duplicate values and "
|
|
"time.daylight but timezone value not set to -1")
|
|
|
|
@unittest.skipUnless(
|
|
hasattr(time, "tzset"), "time module has no attribute tzset"
|
|
)
|
|
def test_bad_timezone(self):
|
|
# Explicitly test possibility of bad timezone;
|
|
# when time.tzname[0] == time.tzname[1] and time.daylight
|
|
tz_name = time.tzname[0]
|
|
if tz_name.upper() in ("UTC", "GMT"):
|
|
self.skipTest('need non-UTC/GMT timezone')
|
|
|
|
with support.swap_attr(time, 'tzname', (tz_name, tz_name)), \
|
|
support.swap_attr(time, 'daylight', 1), \
|
|
support.swap_attr(time, 'tzset', lambda: None):
|
|
time.tzname = (tz_name, tz_name)
|
|
time.daylight = 1
|
|
tz_value = _strptime._strptime_time(tz_name, "%Z")[8]
|
|
self.assertEqual(tz_value, -1,
|
|
"%s lead to a timezone value of %s instead of -1 when "
|
|
"time.daylight set to %s and passing in %s" %
|
|
(time.tzname, tz_value, time.daylight, tz_name))
|
|
|
|
def test_date_time(self):
|
|
# Test %c directive
|
|
for position in range(6):
|
|
self.helper('c', position)
|
|
|
|
def test_date(self):
|
|
# Test %x directive
|
|
for position in range(0,3):
|
|
self.helper('x', position)
|
|
|
|
def test_time(self):
|
|
# Test %X directive
|
|
for position in range(3,6):
|
|
self.helper('X', position)
|
|
|
|
def test_percent(self):
|
|
# Make sure % signs are handled properly
|
|
strf_output = time.strftime("%m %% %Y", self.time_tuple)
|
|
strp_output = _strptime._strptime_time(strf_output, "%m %% %Y")
|
|
self.assertTrue(strp_output[0] == self.time_tuple[0] and
|
|
strp_output[1] == self.time_tuple[1],
|
|
"handling of percent sign failed")
|
|
|
|
def test_caseinsensitive(self):
|
|
# Should handle names case-insensitively.
|
|
strf_output = time.strftime("%B", self.time_tuple)
|
|
self.assertTrue(_strptime._strptime_time(strf_output.upper(), "%B"),
|
|
"strptime does not handle ALL-CAPS names properly")
|
|
self.assertTrue(_strptime._strptime_time(strf_output.lower(), "%B"),
|
|
"strptime does not handle lowercase names properly")
|
|
self.assertTrue(_strptime._strptime_time(strf_output.capitalize(), "%B"),
|
|
"strptime does not handle capword names properly")
|
|
|
|
def test_defaults(self):
|
|
# Default return value should be (1900, 1, 1, 0, 0, 0, 0, 1, 0)
|
|
defaults = (1900, 1, 1, 0, 0, 0, 0, 1, -1)
|
|
strp_output = _strptime._strptime_time('1', '%m')
|
|
self.assertTrue(strp_output == defaults,
|
|
"Default values for strptime() are incorrect;"
|
|
" %s != %s" % (strp_output, defaults))
|
|
|
|
def test_escaping(self):
|
|
# Make sure all characters that have regex significance are escaped.
|
|
# Parentheses are in a purposeful order; will cause an error of
|
|
# unbalanced parentheses when the regex is compiled if they are not
|
|
# escaped.
|
|
# Test instigated by bug #796149 .
|
|
need_escaping = r".^$*+?{}\[]|)("
|
|
self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping))
|
|
|
|
def test_feb29_on_leap_year_without_year(self):
|
|
time.strptime("Feb 29", "%b %d")
|
|
|
|
def test_mar1_comes_after_feb29_even_when_omitting_the_year(self):
|
|
self.assertLess(
|
|
time.strptime("Feb 29", "%b %d"),
|
|
time.strptime("Mar 1", "%b %d"))
|
|
|
|
class Strptime12AMPMTests(unittest.TestCase):
|
|
"""Test a _strptime regression in '%I %p' at 12 noon (12 PM)"""
|
|
|
|
def test_twelve_noon_midnight(self):
|
|
eq = self.assertEqual
|
|
eq(time.strptime('12 PM', '%I %p')[3], 12)
|
|
eq(time.strptime('12 AM', '%I %p')[3], 0)
|
|
eq(_strptime._strptime_time('12 PM', '%I %p')[3], 12)
|
|
eq(_strptime._strptime_time('12 AM', '%I %p')[3], 0)
|
|
|
|
|
|
class JulianTests(unittest.TestCase):
|
|
"""Test a _strptime regression that all julian (1-366) are accepted"""
|
|
|
|
def test_all_julian_days(self):
|
|
eq = self.assertEqual
|
|
for i in range(1, 367):
|
|
# use 2004, since it is a leap year, we have 366 days
|
|
eq(_strptime._strptime_time('%d 2004' % i, '%j %Y')[7], i)
|
|
|
|
class CalculationTests(unittest.TestCase):
|
|
"""Test that strptime() fills in missing info correctly"""
|
|
|
|
def setUp(self):
|
|
self.time_tuple = time.gmtime()
|
|
|
|
@skip_if_buggy_ucrt_strfptime
|
|
def test_julian_calculation(self):
|
|
# Make sure that when Julian is missing that it is calculated
|
|
format_string = "%Y %m %d %H %M %S %w %Z"
|
|
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
|
|
format_string)
|
|
self.assertTrue(result.tm_yday == self.time_tuple.tm_yday,
|
|
"Calculation of tm_yday failed; %s != %s" %
|
|
(result.tm_yday, self.time_tuple.tm_yday))
|
|
|
|
@skip_if_buggy_ucrt_strfptime
|
|
def test_gregorian_calculation(self):
|
|
# Test that Gregorian date can be calculated from Julian day
|
|
format_string = "%Y %H %M %S %w %j %Z"
|
|
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
|
|
format_string)
|
|
self.assertTrue(result.tm_year == self.time_tuple.tm_year and
|
|
result.tm_mon == self.time_tuple.tm_mon and
|
|
result.tm_mday == self.time_tuple.tm_mday,
|
|
"Calculation of Gregorian date failed; "
|
|
"%s-%s-%s != %s-%s-%s" %
|
|
(result.tm_year, result.tm_mon, result.tm_mday,
|
|
self.time_tuple.tm_year, self.time_tuple.tm_mon,
|
|
self.time_tuple.tm_mday))
|
|
|
|
@skip_if_buggy_ucrt_strfptime
|
|
def test_day_of_week_calculation(self):
|
|
# Test that the day of the week is calculated as needed
|
|
format_string = "%Y %m %d %H %S %j %Z"
|
|
result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
|
|
format_string)
|
|
self.assertTrue(result.tm_wday == self.time_tuple.tm_wday,
|
|
"Calculation of day of the week failed; "
|
|
"%s != %s" % (result.tm_wday, self.time_tuple.tm_wday))
|
|
|
|
if support.is_android:
|
|
# Issue #26929: strftime() on Android incorrectly formats %V or %G for
|
|
# the last or the first incomplete week in a year.
|
|
_ymd_excluded = ((1905, 1, 1), (1906, 12, 31), (2008, 12, 29),
|
|
(1917, 12, 31))
|
|
_formats_excluded = ('%G %V',)
|
|
else:
|
|
_ymd_excluded = ()
|
|
_formats_excluded = ()
|
|
|
|
@unittest.skipIf(sys.platform.startswith('aix'),
|
|
'bpo-29972: broken test on AIX')
|
|
def test_week_of_year_and_day_of_week_calculation(self):
|
|
# Should be able to infer date if given year, week of year (%U or %W)
|
|
# and day of the week
|
|
def test_helper(ymd_tuple, test_reason):
|
|
for year_week_format in ('%Y %W', '%Y %U', '%G %V'):
|
|
if (year_week_format in self._formats_excluded and
|
|
ymd_tuple in self._ymd_excluded):
|
|
return
|
|
for weekday_format in ('%w', '%u', '%a', '%A'):
|
|
format_string = year_week_format + ' ' + weekday_format
|
|
with self.subTest(test_reason,
|
|
date=ymd_tuple,
|
|
format=format_string):
|
|
dt_date = datetime_date(*ymd_tuple)
|
|
strp_input = dt_date.strftime(format_string)
|
|
strp_output = _strptime._strptime_time(strp_input,
|
|
format_string)
|
|
msg = "%r: %s != %s" % (strp_input,
|
|
strp_output[7],
|
|
dt_date.timetuple()[7])
|
|
self.assertEqual(strp_output[:3], ymd_tuple, msg)
|
|
test_helper((1901, 1, 3), "week 0")
|
|
test_helper((1901, 1, 8), "common case")
|
|
test_helper((1901, 1, 13), "day on Sunday")
|
|
test_helper((1901, 1, 14), "day on Monday")
|
|
test_helper((1905, 1, 1), "Jan 1 on Sunday")
|
|
test_helper((1906, 1, 1), "Jan 1 on Monday")
|
|
test_helper((1906, 1, 7), "first Sunday in a year starting on Monday")
|
|
test_helper((1905, 12, 31), "Dec 31 on Sunday")
|
|
test_helper((1906, 12, 31), "Dec 31 on Monday")
|
|
test_helper((2008, 12, 29), "Monday in the last week of the year")
|
|
test_helper((2008, 12, 22), "Monday in the second-to-last week of the "
|
|
"year")
|
|
test_helper((1978, 10, 23), "randomly chosen date")
|
|
test_helper((2004, 12, 18), "randomly chosen date")
|
|
test_helper((1978, 10, 23), "year starting and ending on Monday while "
|
|
"date not on Sunday or Monday")
|
|
test_helper((1917, 12, 17), "year starting and ending on Monday with "
|
|
"a Monday not at the beginning or end "
|
|
"of the year")
|
|
test_helper((1917, 12, 31), "Dec 31 on Monday with year starting and "
|
|
"ending on Monday")
|
|
test_helper((2007, 1, 7), "First Sunday of 2007")
|
|
test_helper((2007, 1, 14), "Second Sunday of 2007")
|
|
test_helper((2006, 12, 31), "Last Sunday of 2006")
|
|
test_helper((2006, 12, 24), "Second to last Sunday of 2006")
|
|
|
|
def test_week_0(self):
|
|
def check(value, format, *expected):
|
|
self.assertEqual(_strptime._strptime_time(value, format)[:-1], expected)
|
|
check('2015 0 0', '%Y %U %w', 2014, 12, 28, 0, 0, 0, 6, 362)
|
|
check('2015 0 0', '%Y %W %w', 2015, 1, 4, 0, 0, 0, 6, 4)
|
|
check('2015 1 1', '%G %V %u', 2014, 12, 29, 0, 0, 0, 0, 363)
|
|
check('2015 0 1', '%Y %U %w', 2014, 12, 29, 0, 0, 0, 0, 363)
|
|
check('2015 0 1', '%Y %W %w', 2014, 12, 29, 0, 0, 0, 0, 363)
|
|
check('2015 1 2', '%G %V %u', 2014, 12, 30, 0, 0, 0, 1, 364)
|
|
check('2015 0 2', '%Y %U %w', 2014, 12, 30, 0, 0, 0, 1, 364)
|
|
check('2015 0 2', '%Y %W %w', 2014, 12, 30, 0, 0, 0, 1, 364)
|
|
check('2015 1 3', '%G %V %u', 2014, 12, 31, 0, 0, 0, 2, 365)
|
|
check('2015 0 3', '%Y %U %w', 2014, 12, 31, 0, 0, 0, 2, 365)
|
|
check('2015 0 3', '%Y %W %w', 2014, 12, 31, 0, 0, 0, 2, 365)
|
|
check('2015 1 4', '%G %V %u', 2015, 1, 1, 0, 0, 0, 3, 1)
|
|
check('2015 0 4', '%Y %U %w', 2015, 1, 1, 0, 0, 0, 3, 1)
|
|
check('2015 0 4', '%Y %W %w', 2015, 1, 1, 0, 0, 0, 3, 1)
|
|
check('2015 1 5', '%G %V %u', 2015, 1, 2, 0, 0, 0, 4, 2)
|
|
check('2015 0 5', '%Y %U %w', 2015, 1, 2, 0, 0, 0, 4, 2)
|
|
check('2015 0 5', '%Y %W %w', 2015, 1, 2, 0, 0, 0, 4, 2)
|
|
check('2015 1 6', '%G %V %u', 2015, 1, 3, 0, 0, 0, 5, 3)
|
|
check('2015 0 6', '%Y %U %w', 2015, 1, 3, 0, 0, 0, 5, 3)
|
|
check('2015 0 6', '%Y %W %w', 2015, 1, 3, 0, 0, 0, 5, 3)
|
|
check('2015 1 7', '%G %V %u', 2015, 1, 4, 0, 0, 0, 6, 4)
|
|
|
|
check('2009 0 0', '%Y %U %w', 2008, 12, 28, 0, 0, 0, 6, 363)
|
|
check('2009 0 0', '%Y %W %w', 2009, 1, 4, 0, 0, 0, 6, 4)
|
|
check('2009 1 1', '%G %V %u', 2008, 12, 29, 0, 0, 0, 0, 364)
|
|
check('2009 0 1', '%Y %U %w', 2008, 12, 29, 0, 0, 0, 0, 364)
|
|
check('2009 0 1', '%Y %W %w', 2008, 12, 29, 0, 0, 0, 0, 364)
|
|
check('2009 1 2', '%G %V %u', 2008, 12, 30, 0, 0, 0, 1, 365)
|
|
check('2009 0 2', '%Y %U %w', 2008, 12, 30, 0, 0, 0, 1, 365)
|
|
check('2009 0 2', '%Y %W %w', 2008, 12, 30, 0, 0, 0, 1, 365)
|
|
check('2009 1 3', '%G %V %u', 2008, 12, 31, 0, 0, 0, 2, 366)
|
|
check('2009 0 3', '%Y %U %w', 2008, 12, 31, 0, 0, 0, 2, 366)
|
|
check('2009 0 3', '%Y %W %w', 2008, 12, 31, 0, 0, 0, 2, 366)
|
|
check('2009 1 4', '%G %V %u', 2009, 1, 1, 0, 0, 0, 3, 1)
|
|
check('2009 0 4', '%Y %U %w', 2009, 1, 1, 0, 0, 0, 3, 1)
|
|
check('2009 0 4', '%Y %W %w', 2009, 1, 1, 0, 0, 0, 3, 1)
|
|
check('2009 1 5', '%G %V %u', 2009, 1, 2, 0, 0, 0, 4, 2)
|
|
check('2009 0 5', '%Y %U %w', 2009, 1, 2, 0, 0, 0, 4, 2)
|
|
check('2009 0 5', '%Y %W %w', 2009, 1, 2, 0, 0, 0, 4, 2)
|
|
check('2009 1 6', '%G %V %u', 2009, 1, 3, 0, 0, 0, 5, 3)
|
|
check('2009 0 6', '%Y %U %w', 2009, 1, 3, 0, 0, 0, 5, 3)
|
|
check('2009 0 6', '%Y %W %w', 2009, 1, 3, 0, 0, 0, 5, 3)
|
|
check('2009 1 7', '%G %V %u', 2009, 1, 4, 0, 0, 0, 6, 4)
|
|
|
|
|
|
class CacheTests(unittest.TestCase):
|
|
"""Test that caching works properly."""
|
|
|
|
def test_time_re_recreation(self):
|
|
# Make sure cache is recreated when current locale does not match what
|
|
# cached object was created with.
|
|
_strptime._strptime_time("10", "%d")
|
|
_strptime._strptime_time("2005", "%Y")
|
|
_strptime._TimeRE_cache.locale_time.lang = "Ni"
|
|
original_time_re = _strptime._TimeRE_cache
|
|
_strptime._strptime_time("10", "%d")
|
|
self.assertIsNot(original_time_re, _strptime._TimeRE_cache)
|
|
self.assertEqual(len(_strptime._regex_cache), 1)
|
|
|
|
def test_regex_cleanup(self):
|
|
# Make sure cached regexes are discarded when cache becomes "full".
|
|
try:
|
|
del _strptime._regex_cache['%d']
|
|
except KeyError:
|
|
pass
|
|
bogus_key = 0
|
|
while len(_strptime._regex_cache) <= _strptime._CACHE_MAX_SIZE:
|
|
_strptime._regex_cache[bogus_key] = None
|
|
bogus_key += 1
|
|
_strptime._strptime_time("10", "%d")
|
|
self.assertEqual(len(_strptime._regex_cache), 1)
|
|
|
|
def test_new_localetime(self):
|
|
# A new LocaleTime instance should be created when a new TimeRE object
|
|
# is created.
|
|
locale_time_id = _strptime._TimeRE_cache.locale_time
|
|
_strptime._TimeRE_cache.locale_time.lang = "Ni"
|
|
_strptime._strptime_time("10", "%d")
|
|
self.assertIsNot(locale_time_id, _strptime._TimeRE_cache.locale_time)
|
|
|
|
def test_TimeRE_recreation_locale(self):
|
|
# The TimeRE instance should be recreated upon changing the locale.
|
|
locale_info = locale.getlocale(locale.LC_TIME)
|
|
try:
|
|
locale.setlocale(locale.LC_TIME, ('en_US', 'UTF8'))
|
|
except locale.Error:
|
|
self.skipTest('test needs en_US.UTF8 locale')
|
|
try:
|
|
_strptime._strptime_time('10', '%d')
|
|
# Get id of current cache object.
|
|
first_time_re = _strptime._TimeRE_cache
|
|
try:
|
|
# Change the locale and force a recreation of the cache.
|
|
locale.setlocale(locale.LC_TIME, ('de_DE', 'UTF8'))
|
|
_strptime._strptime_time('10', '%d')
|
|
# Get the new cache object's id.
|
|
second_time_re = _strptime._TimeRE_cache
|
|
# They should not be equal.
|
|
self.assertIsNot(first_time_re, second_time_re)
|
|
# Possible test locale is not supported while initial locale is.
|
|
# If this is the case just suppress the exception and fall-through
|
|
# to the resetting to the original locale.
|
|
except locale.Error:
|
|
self.skipTest('test needs de_DE.UTF8 locale')
|
|
# Make sure we don't trample on the locale setting once we leave the
|
|
# test.
|
|
finally:
|
|
locale.setlocale(locale.LC_TIME, locale_info)
|
|
|
|
@support.run_with_tz('STD-1DST,M4.1.0,M10.1.0')
|
|
def test_TimeRE_recreation_timezone(self):
|
|
# The TimeRE instance should be recreated upon changing the timezone.
|
|
oldtzname = time.tzname
|
|
tm = _strptime._strptime_time(time.tzname[0], '%Z')
|
|
self.assertEqual(tm.tm_isdst, 0)
|
|
tm = _strptime._strptime_time(time.tzname[1], '%Z')
|
|
self.assertEqual(tm.tm_isdst, 1)
|
|
# Get id of current cache object.
|
|
first_time_re = _strptime._TimeRE_cache
|
|
# Change the timezone and force a recreation of the cache.
|
|
os.environ['TZ'] = 'EST+05EDT,M3.2.0,M11.1.0'
|
|
time.tzset()
|
|
tm = _strptime._strptime_time(time.tzname[0], '%Z')
|
|
self.assertEqual(tm.tm_isdst, 0)
|
|
tm = _strptime._strptime_time(time.tzname[1], '%Z')
|
|
self.assertEqual(tm.tm_isdst, 1)
|
|
# Get the new cache object's id.
|
|
second_time_re = _strptime._TimeRE_cache
|
|
# They should not be equal.
|
|
self.assertIsNot(first_time_re, second_time_re)
|
|
# Make sure old names no longer accepted.
|
|
with self.assertRaises(ValueError):
|
|
_strptime._strptime_time(oldtzname[0], '%Z')
|
|
with self.assertRaises(ValueError):
|
|
_strptime._strptime_time(oldtzname[1], '%Z')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|