"""PyUnit testing against strptime"""
import unittest
import time
import locale
import re
import os
import platform
import sys
from test import support
from test.support import warnings_helper
from test.support import skip_if_buggy_ucrt_strfptime, run_with_locales
from datetime import date as datetime_date
import _strptime
libc_ver = platform.libc_ver()
if libc_ver[0] == 'glibc':
glibc_ver = tuple(map(int, libc_ver[1].split('.')))
else:
glibc_ver = None
class getlang_Tests(unittest.TestCase):
"""Test _getlang"""
def test_basic(self):
self.assertEqual(_strptime._getlang(), locale.getlocale(locale.LC_TIME))
class LocaleTime_Tests(unittest.TestCase):
"""Tests for _strptime.LocaleTime.
All values are lower-cased when stored in LocaleTime, so make sure to
compare values after running ``lower`` on them.
"""
def setUp(self):
"""Create time tuple based on current time."""
self.time_tuple = time.localtime()
self.LT_ins = _strptime.LocaleTime()
def compare_against_time(self, testing, directive, tuple_position,
error_msg):
"""Helper method that tests testing against directive based on the
tuple_position of time_tuple. Uses error_msg as error message.
"""
strftime_output = time.strftime(directive, self.time_tuple).lower()
comparison = testing[self.time_tuple[tuple_position]]
self.assertIn(strftime_output, testing,
"%s: not found in tuple" % error_msg)
self.assertEqual(comparison, strftime_output,
"%s: position within tuple incorrect; %s != %s" %
(error_msg, comparison, strftime_output))
def test_weekday(self):
# Make sure that full and abbreviated weekday names are correct in
# both string and position with tuple
self.compare_against_time(self.LT_ins.f_weekday, '%A', 6,
"Testing of full weekday name failed")
self.compare_against_time(self.LT_ins.a_weekday, '%a', 6,
"Testing of abbreviated weekday name failed")
def test_month(self):
# Test full and abbreviated month names; both string and position
# within the tuple
self.compare_against_time(self.LT_ins.f_month, '%B', 1,
"Testing against full month name failed")
self.compare_against_time(self.LT_ins.a_month, '%b', 1,
"Testing against abbreviated month name failed")
def test_am_pm(self):
# Make sure AM/PM representation done properly
strftime_output = time.strftime("%p", self.time_tuple).lower()
self.assertIn(strftime_output, self.LT_ins.am_pm,
"AM/PM representation not in tuple")
if self.time_tuple[3] < 12: position = 0
else: position = 1
self.assertEqual(self.LT_ins.am_pm[position], strftime_output,
"AM/PM representation in the wrong position within the tuple")
@unittest.skipIf(
support.is_emscripten, "musl libc issue on Emscripten, bpo-46390"
)
def test_timezone(self):
# Make sure timezone is correct
timezone = time.strftime("%Z", self.time_tuple).lower()
if timezone:
self.assertTrue(timezone in self.LT_ins.timezone[0] or
timezone in self.LT_ins.timezone[1],
"timezone %s not found in %s" %
(timezone, self.LT_ins.timezone))
def test_date_time(self):
# Check that LC_date_time, LC_date, and LC_time are correct
# the magic date is used so as to not have issues with %c when day of
# the month is a single digit and has a leading space. This is not an
# issue since strptime still parses it correctly. The problem is
# testing these directives for correctness by comparing strftime
# output.
magic_date = (1999, 3, 17, 22, 44, 55, 2, 76, 0)
strftime_output = time.strftime("%c", magic_date)
self.assertEqual(time.strftime(self.LT_ins.LC_date_time, magic_date),
strftime_output, "LC_date_time incorrect")
strftime_output = time.strftime("%x", magic_date)
self.assertEqual(time.strftime(self.LT_ins.LC_date, magic_date),
strftime_output, "LC_date incorrect")
strftime_output = time.strftime("%X", magic_date)
self.assertEqual(time.strftime(self.LT_ins.LC_time, magic_date),
strftime_output, "LC_time incorrect")
LT = _strptime.LocaleTime()
LT.am_pm = ('', '')
self.assertTrue(LT.LC_time, "LocaleTime's LC directives cannot handle "
"empty strings")
def test_lang(self):
# Make sure lang is set to what _getlang() returns
# Assuming locale has not changed between now and when self.LT_ins was created
self.assertEqual(self.LT_ins.lang, _strptime._getlang())
class TimeRETests(unittest.TestCase):
"""Tests for TimeRE."""
def setUp(self):
"""Construct generic TimeRE object."""
self.time_re = _strptime.TimeRE()
self.locale_time = _strptime.LocaleTime()
def test_pattern(self):
# Test TimeRE.pattern
pattern_string = self.time_re.pattern(r"%a %A %d %Y")
self.assertTrue(pattern_string.find(self.locale_time.a_weekday[2]) != -1,
"did not find abbreviated weekday in pattern string '%s'" %
pattern_string)
self.assertTrue(pattern_string.find(self.locale_time.f_weekday[4]) != -1,
"did not find full weekday in pattern string '%s'" %
pattern_string)
self.assertTrue(pattern_string.find(self.time_re['d']) != -1,
"did not find 'd' directive pattern string '%s'" %
pattern_string)
def test_pattern_escaping(self):
# Make sure any characters in the format string that might be taken as
# regex syntax is escaped.
pattern_string = self.time_re.pattern(r"\d+")
self.assertIn(r"\\d\+", pattern_string,
"%s does not have re characters escaped properly" %
pattern_string)
@skip_if_buggy_ucrt_strfptime
def test_compile(self):
# Check that compiled regex is correct
found = self.time_re.compile(r"%A").match(self.locale_time.f_weekday[6])
self.assertTrue(found and found.group('A') == self.locale_time.f_weekday[6],
"re object for '%A' failed")
compiled = self.time_re.compile(r"%a %b")
found = compiled.match("%s %s" % (self.locale_time.a_weekday[4],
self.locale_time.a_month[4]))
self.assertTrue(found,
"Match failed with '%s' regex and '%s' string" %
(compiled.pattern, "%s %s" % (self.locale_time.a_weekday[4],
self.locale_time.a_month[4])))
self.assertTrue(found.group('a') == self.locale_time.a_weekday[4] and
found.group('b') == self.locale_time.a_month[4],
"re object couldn't find the abbreviated weekday month in "
"'%s' using '%s'; group 'a' = '%s', group 'b' = %s'" %
(found.string, found.re.pattern, found.group('a'),
found.group('b')))
for directive in ('a','A','b','B','c','d','G','H','I','j','m','M','p',
'S','u','U','V','w','W','x','X','y','Y','Z','%'):
fmt = "%d %Y" if directive == 'd' else "%" + directive
compiled = self.time_re.compile(fmt)
found = compiled.match(time.strftime(fmt))
self.assertTrue(found, "Matching failed on '%s' using '%s' regex" %
(time.strftime(fmt),
compiled.pattern))
def test_blankpattern(self):
# Make sure when tuple or something has no values no regex is generated.
# Fixes bug #661354
test_locale = _strptime.LocaleTime()
test_locale.timezone = (frozenset(), frozenset())
self.assertEqual(_strptime.TimeRE(test_locale).pattern("%Z"), '',
"with timezone == ('',''), TimeRE().pattern('%Z') != ''")
def test_matching_with_escapes(self):
# Make sure a format that requires escaping of characters works
compiled_re = self.time_re.compile(r"\w+ %m")
found = compiled_re.match(r"\w+ 10")
self.assertTrue(found, r"Escaping failed of format '\w+ 10'")
def test_locale_data_w_regex_metacharacters(self):
# Check that if locale data contains regex metacharacters they are
# escaped properly.
# Discovered by bug #1039270 .
locale_time = _strptime.LocaleTime()
locale_time.timezone = (frozenset(("utc", "gmt",
"Tokyo (standard time)")),
frozenset("Tokyo (daylight time)"))
time_re = _strptime.TimeRE(locale_time)
self.assertTrue(time_re.compile("%Z").match("Tokyo (standard time)"),
"locale data that contains regex metacharacters is not"
" properly escaped")
def test_whitespace_substitution(self):
# When pattern contains whitespace, make sure it is taken into account
# so as to not allow subpatterns to end up next to each other and
# "steal" characters from each other.
pattern = self.time_re.pattern('%j %H')
self.assertFalse(re.match(pattern, "180"))
self.assertTrue(re.match(pattern, "18 0"))
class StrptimeTests(unittest.TestCase):
"""Tests for _strptime.strptime."""
def setUp(self):
"""Create testing time tuples."""
self.time_tuple = time.localtime()
def test_ValueError(self):
# Make sure ValueError is raised when match fails or format is bad
self.assertRaises(ValueError, _strptime._strptime_time, data_string="%d",
format="%A")
for bad_format in ("%", "% ", "%e"):
try:
_strptime._strptime_time("2005", bad_format)
except ValueError:
continue
except Exception as err:
self.fail("'%s' raised %s, not ValueError" %
(bad_format, err.__class__.__name__))
else:
self.fail("'%s' did not raise ValueError" % bad_format)
msg_week_no_year_or_weekday = r"ISO week directive '%V' must be used with " \
r"the ISO year directive '%G' and a weekday directive " \
r"\('%A', '%a', '%w', or '%u'\)."
msg_week_not_compatible = r"ISO week directive '%V' is incompatible with " \
r"the year directive '%Y'. Use the ISO year '%G' instead."
msg_julian_not_compatible = r"Day of the year directive '%j' is not " \
r"compatible with ISO year directive '%G'. Use '%Y' instead."
msg_year_no_week_or_weekday = r"ISO year directive '%G' must be used with " \
r"the ISO week directive '%V' and a weekday directive " \
r"\('%A', '%a', '%w', or '%u'\)."
locale_time = _strptime.LocaleTime()
# Ambiguous or incomplete cases using ISO year/week/weekday directives
subtests = [
# 1. ISO week (%V) is specified, but the year is specified with %Y
# instead of %G
("1999 50", "%Y %V", msg_week_no_year_or_weekday),
("1999 50 5", "%Y %V %u", msg_week_not_compatible),
# 2. ISO year (%G) and ISO week (%V) are specified, but weekday is not
("1999 51", "%G %V", msg_year_no_week_or_weekday),
# 3. ISO year (%G) and weekday are specified, but ISO week (%V) is not
("1999 {}".format(locale_time.f_weekday[5]), "%G %A",
msg_year_no_week_or_weekday),
("1999 {}".format(locale_time.a_weekday[5]), "%G %a",
msg_year_no_week_or_weekday),
("1999 5", "%G %w", msg_year_no_week_or_weekday),
("1999 5", "%G %u", msg_year_no_week_or_weekday),
# 4. ISO year is specified alone (e.g. time.strptime('2015', '%G'))
("2015", "%G", msg_year_no_week_or_weekday),
# 5. Julian/ordinal day (%j) is specified with %G, but not %Y
("1999 256", "%G %j", msg_julian_not_compatible),
("1999 50 5 256", "%G %V %u %j", msg_julian_not_compatible),
# ISO week specified alone
("50", "%V", msg_week_no_year_or_weekday),
# ISO year is unspecified, falling back to year
("50 5", "%V %u", msg_week_no_year_or_weekday),
# 6. Invalid ISO weeks
("2019-00-1", "%G-%V-%u",
"time data '2019-00-1' does not match format '%G-%V-%u'"),
("2019-54-1", "%G-%V-%u",
"time data '2019-54-1' does not match format '%G-%V-%u'"),
("2021-53-1", "%G-%V-%u", "Invalid week: 53"),
]
for (data_string, format, message) in subtests:
with self.subTest(data_string=data_string, format=format):
with self.assertRaisesRegex(ValueError, message):
_strptime._strptime(data_string, format)
def test_strptime_exception_context(self):
# check that this doesn't chain exceptions needlessly (see #17572)
with self.assertRaises(ValueError) as e:
_strptime._strptime_time('', '%D')
self.assertIs(e.exception.__suppress_context__, True)
# additional check for IndexError branch (issue #19545)
with self.assertRaises(ValueError) as e:
_strptime._strptime_time('19', '%Y %')
self.assertIsNone(e.exception.__context__)
def test_unconverteddata(self):
# Check ValueError is raised when there is unconverted data
self.assertRaises(ValueError, _strptime._strptime_time, "10 12", "%m")
def roundtrip(self, fmt, position, time_tuple=None):
"""Helper fxn in testing."""
if time_tuple is None:
time_tuple = self.time_tuple
strf_output = time.strftime(fmt, time_tuple)
strp_output = _strptime._strptime_time(strf_output, fmt)
self.assertEqual(strp_output[position], time_tuple[position],
"testing of %r format failed; %r -> %r != %r" %
(fmt, strf_output, strp_output[position],
time_tuple[position]))
if support.verbose >= 3:
print("testing of %r format: %r -> %r" %
(fmt, strf_output, strp_output[position]))
def test_year(self):
# Test that the year is handled properly
self.roundtrip('%Y', 0)
self.roundtrip('%y', 0)
self.roundtrip('%Y', 0, (1900, 1, 1, 0, 0, 0, 0, 1, 0))
# Must also make sure %y values are correct for bounds set by Open Group
strptime = _strptime._strptime_time
self.assertEqual(strptime('00', '%y')[0], 2000)
self.assertEqual(strptime('68', '%y')[0], 2068)
self.assertEqual(strptime('69', '%y')[0], 1969)
self.assertEqual(strptime('99', '%y')[0], 1999)
def test_month(self):
# Test for month directives
self.roundtrip('%m', 1)
@run_with_locales('LC_TIME', 'C', 'en_US', 'fr_FR', 'de_DE', 'ja_JP', 'he_IL', '')
def test_month_locale(self):
# Test for month directives
self.roundtrip('%B', 1)
self.roundtrip('%b', 1)
for m in range(1, 13):
self.roundtrip('%B', 1, (1900, m, 1, 0, 0, 0, 0, 1, 0))
self.roundtrip('%b', 1, (1900, m, 1, 0, 0, 0, 0, 1, 0))
def test_day(self):
# Test for day directives
self.roundtrip('%d %Y', 2)
def test_hour(self):
# Test hour directives
self.roundtrip('%H', 3)
# NB: Only works on locales with AM/PM
@run_with_locales('LC_TIME', 'C', 'en_US', 'ja_JP')
def test_hour_locale(self):
# Test hour directives
self.roundtrip('%I %p', 3)
def test_minute(self):
# Test minute directives
self.roundtrip('%M', 4)
def test_second(self):
# Test second directives
self.roundtrip('%S', 5)
def test_fraction(self):
# Test microseconds
import datetime
d = datetime.datetime(2012, 12, 20, 12, 34, 56, 78987)
tup, frac, _ = _strptime._strptime(str(d), format="%Y-%m-%d %H:%M:%S.%f")
self.assertEqual(frac, d.microsecond)
def test_weekday(self):
# Test weekday directives
self.roundtrip('%w', 6)
self.roundtrip('%u', 6)
@run_with_locales('LC_TIME', 'C', 'en_US', 'fr_FR', 'de_DE', 'ja_JP', '')
def test_weekday_locale(self):
# Test weekday directives
self.roundtrip('%A', 6)
self.roundtrip('%a', 6)
def test_julian(self):
# Test julian directives
self.roundtrip('%j', 7)
def test_offset(self):
one_hour = 60 * 60
half_hour = 30 * 60
half_minute = 30
(*_, offset), _, offset_fraction = _strptime._strptime("+0130", "%z")
self.assertEqual(offset, one_hour + half_hour)
self.assertEqual(offset_fraction, 0)
(*_, offset), _, offset_fraction = _strptime._strptime("-0100", "%z")
self.assertEqual(offset, -one_hour)
self.assertEqual(offset_fraction, 0)
(*_, offset), _, offset_fraction = _strptime._strptime("-013030", "%z")
self.assertEqual(offset, -(one_hour + half_hour + half_minute))
self.assertEqual(offset_fraction, 0)
(*_, offset), _, offset_fraction = _strptime._strptime("-013030.000001", "%z")
self.assertEqual(offset, -(one_hour + half_hour + half_minute))
self.assertEqual(offset_fraction, -1)
(*_, offset), _, offset_fraction = _strptime._strptime("+01:00", "%z")
self.assertEqual(offset, one_hour)
self.assertEqual(offset_fraction, 0)
(*_, offset), _, offset_fraction = _strptime._strptime("-01:30", "%z")
self.assertEqual(offset, -(one_hour + half_hour))
self.assertEqual(offset_fraction, 0)
(*_, offset), _, offset_fraction = _strptime._strptime("-01:30:30", "%z")
self.assertEqual(offset, -(one_hour + half_hour + half_minute))
self.assertEqual(offset_fraction, 0)
(*_, offset), _, offset_fraction = _strptime._strptime("-01:30:30.000001", "%z")
self.assertEqual(offset, -(one_hour + half_hour + half_minute))
self.assertEqual(offset_fraction, -1)
(*_, offset), _, offset_fraction = _strptime._strptime("+01:30:30.001", "%z")
self.assertEqual(offset, one_hour + half_hour + half_minute)
self.assertEqual(offset_fraction, 1000)
(*_, offset), _, offset_fraction = _strptime._strptime("Z", "%z")
self.assertEqual(offset, 0)
self.assertEqual(offset_fraction, 0)
def test_bad_offset(self):
with self.assertRaises(ValueError):
_strptime._strptime("-01:30:30.", "%z")
with self.assertRaises(ValueError):
_strptime._strptime("-0130:30", "%z")
with self.assertRaises(ValueError):
_strptime._strptime("-01:30:30.1234567", "%z")
with self.assertRaises(ValueError):
_strptime._strptime("-01:30:30:123456", "%z")
with self.assertRaises(ValueError) as err:
_strptime._strptime("-01:3030", "%z")
self.assertEqual("Inconsistent use of : in -01:3030", str(err.exception))
@skip_if_buggy_ucrt_strfptime
@unittest.skipIf(
support.is_emscripten, "musl libc issue on Emscripten, bpo-46390"
)
def test_timezone(self):
# Test timezone directives.
# When gmtime() is used with %Z, entire result of strftime() is empty.
# Check for equal timezone names deals with bad locale info when this
# 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))
# NB: Does not roundtrip in some locales due to the ambiguity of
# the date and time representation (bugs in locales?):
# * Seconds are not included: bem_ZM, bokmal, ff_SN, nb_NO, nn_NO,
# no_NO, norwegian, nynorsk.
# * Hours are in 12-hour notation without AM/PM indication: hy_AM,
# id_ID, ms_MY.
# * Year is not included: ha_NG.
# * Use non-Gregorian calendar: lo_LA, thai, th_TH.
# On Windows: ar_IN, ar_SA, fa_IR, ps_AF.
#
# BUG: Generates regexp that does not match the current date and time
# for lzh_TW.
@run_with_locales('LC_TIME', 'C', 'en_US', 'fr_FR', 'de_DE', 'ja_JP',
'he_IL', 'eu_ES', 'ar_AE', 'mfe_MU', 'yo_NG',
'csb_PL', 'br_FR', 'gez_ET', 'brx_IN',
'my_MM', 'or_IN', 'shn_MM', 'az_IR')
def test_date_time_locale(self):
# Test %c directive
loc = locale.getlocale(locale.LC_TIME)[0]
if glibc_ver and glibc_ver < (2, 31) and loc == 'br_FR':
self.skipTest('%c in locale br_FR does not include time')
now = time.time()
self.roundtrip('%c', slice(0, 6), time.localtime(now))
# 1 hour 20 minutes 30 seconds ago
self.roundtrip('%c', slice(0, 6), time.localtime(now - 4830))
# 12 hours ago
self.roundtrip('%c', slice(0, 6), time.localtime(now - 12*3600))
# different days of the week
for i in range(1, 7):
self.roundtrip('%c', slice(0, 6), time.localtime(now - i*24*3600))
# different months
for i in range(1, 12):
self.roundtrip('%c', slice(0, 6), time.localtime(now - i*30*24*3600))
# different year
self.roundtrip('%c', slice(0, 6), time.localtime(now - 366*24*3600))
# NB: Dates before 1969 do not roundtrip on some locales:
# az_IR, bo_CN, bo_IN, dz_BT, eu_ES, eu_FR, fa_IR, or_IN.
@support.run_with_tz('STD-1DST,M4.1.0,M10.1.0')
@run_with_locales('LC_TIME', 'C', 'en_US', 'fr_FR', 'de_DE', 'ja_JP',
'he_IL', 'ar_AE', 'mfe_MU', 'yo_NG',
'csb_PL', 'br_FR', 'gez_ET', 'brx_IN',
'my_MM', 'shn_MM')
def test_date_time_locale2(self):
# Test %c directive
loc = locale.getlocale(locale.LC_TIME)[0]
if sys.platform.startswith('sunos'):
if loc in ('ar_AE',):
self.skipTest(f'locale {loc!r} may not work on this platform')
self.roundtrip('%c', slice(0, 6), (1900, 1, 1, 0, 0, 0, 0, 1, 0))
self.roundtrip('%c', slice(0, 6), (1800, 1, 1, 0, 0, 0, 0, 1, 0))
# NB: Does not roundtrip because use non-Gregorian calendar:
# lo_LA, thai, th_TH. On Windows: ar_IN, ar_SA, fa_IR, ps_AF.
# BUG: Generates regexp that does not match the current date
# for lzh_TW.
@run_with_locales('LC_TIME', 'C', 'en_US', 'fr_FR', 'de_DE', 'ja_JP',
'he_IL', 'eu_ES', 'ar_AE',
'az_IR', 'my_MM', 'or_IN', 'shn_MM')
def test_date_locale(self):
# Test %x directive
now = time.time()
self.roundtrip('%x', slice(0, 3), time.localtime(now))
# different days of the week
for i in range(1, 7):
self.roundtrip('%x', slice(0, 3), time.localtime(now - i*24*3600))
# different months
for i in range(1, 12):
self.roundtrip('%x', slice(0, 3), time.localtime(now - i*30*24*3600))
# different year
self.roundtrip('%x', slice(0, 3), time.localtime(now - 366*24*3600))
# NB: Dates before 1969 do not roundtrip on many locales, including C.
@unittest.skipIf(
support.is_emscripten or support.is_wasi,
"musl libc issue on Emscripten, bpo-46390"
)
@run_with_locales('LC_TIME', 'en_US', 'fr_FR', 'de_DE', 'ja_JP',
'eu_ES', 'ar_AE', 'my_MM', 'shn_MM')
def test_date_locale2(self):
# Test %x directive
loc = locale.getlocale(locale.LC_TIME)[0]
if sys.platform.startswith('sunos'):
if loc in ('en_US', 'de_DE', 'ar_AE'):
self.skipTest(f'locale {loc!r} may not work on this platform')
self.roundtrip('%x', slice(0, 3), (1900, 1, 1, 0, 0, 0, 0, 1, 0))
self.roundtrip('%x', slice(0, 3), (1800, 1, 1, 0, 0, 0, 0, 1, 0))
# NB: Does not roundtrip in some locales due to the ambiguity of
# the time representation (bugs in locales?):
# * Seconds are not included: bokmal, ff_SN, nb_NO, nn_NO, no_NO,
# norwegian, nynorsk.
# * Hours are in 12-hour notation without AM/PM indication: hy_AM,
# ms_MY, sm_WS.
# BUG: Generates regexp that does not match the current time for lzh_TW.
@run_with_locales('LC_TIME', 'C', 'en_US', 'fr_FR', 'de_DE', 'ja_JP',
'aa_ET', 'am_ET', 'az_IR', 'byn_ER', 'fa_IR', 'gez_ET',
'my_MM', 'om_ET', 'or_IN', 'shn_MM', 'sid_ET', 'so_SO',
'ti_ET', 'tig_ER', 'wal_ET')
def test_time_locale(self):
# Test %X directive
loc = locale.getlocale(locale.LC_TIME)[0]
pos = slice(3, 6)
if glibc_ver and glibc_ver < (2, 29) and loc in {
'aa_ET', 'am_ET', 'byn_ER', 'gez_ET', 'om_ET',
'sid_ET', 'so_SO', 'ti_ET', 'tig_ER', 'wal_ET'}:
# Hours are in 12-hour notation without AM/PM indication.
# Ignore hours.
pos = slice(4, 6)
now = time.time()
self.roundtrip('%X', pos, time.localtime(now))
# 1 hour 20 minutes 30 seconds ago
self.roundtrip('%X', pos, time.localtime(now - 4830))
# 12 hours ago
self.roundtrip('%X', pos, time.localtime(now - 12*3600))
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))
@warnings_helper.ignore_warnings(category=DeprecationWarning) # gh-70647
def test_feb29_on_leap_year_without_year(self):
time.strptime("Feb 29", "%b %d")
@warnings_helper.ignore_warnings(category=DeprecationWarning) # gh-70647
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 2004", "%d %Y")
_strptime._strptime_time("2005", "%Y")
_strptime._TimeRE_cache.locale_time.lang = "Ni"
original_time_re = _strptime._TimeRE_cache
_strptime._strptime_time("10 2004", "%d %Y")
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 %Y']
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 2004", "%d %Y")
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 2004", "%d %Y")
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.
with support.run_with_locale('LC_TIME', 'en_US.UTF8'):
_strptime._strptime_time('10 2004', '%d %Y')
# 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 2004', '%d %Y')
# 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')
@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()
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