"""PyUnit testing against strptime""" import unittest import time import locale import re import os import sys from test import support from test.support import skip_if_buggy_ucrt_strfptime from datetime import date as datetime_date import _strptime 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") 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','%'): compiled = self.time_re.compile("%" + directive) found = compiled.match(time.strftime("%" + directive)) self.assertTrue(found, "Matching failed on '%s' using '%s' regex" % (time.strftime("%" + directive), 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 tuple.""" self.time_tuple = time.gmtime() 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), ] 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.assertIs(e.exception.__suppress_context__, True) def test_unconverteddata(self): # Check ValueError is raised when there is unconverted data self.assertRaises(ValueError, _strptime._strptime_time, "10 12", "%m") def helper(self, directive, position): """Helper fxn in testing.""" strf_output = time.strftime("%" + directive, self.time_tuple) strp_output = _strptime._strptime_time(strf_output, "%" + directive) self.assertTrue(strp_output[position] == self.time_tuple[position], "testing of '%s' directive failed; '%s' -> %s != %s" % (directive, strf_output, strp_output[position], self.time_tuple[position])) def test_year(self): # Test that the year is handled properly for directive in ('y', 'Y'): self.helper(directive, 0) # Must also make sure %y values are correct for bounds set by Open Group for century, bounds in ((1900, ('69', '99')), (2000, ('00', '68'))): for bound in bounds: strp_output = _strptime._strptime_time(bound, '%y') expected_result = century + int(bound) self.assertTrue(strp_output[0] == expected_result, "'y' test failed; passed in '%s' " "and returned '%s'" % (bound, strp_output[0])) def test_month(self): # Test for month directives for directive in ('B', 'b', 'm'): self.helper(directive, 1) def test_day(self): # Test for day directives self.helper('d', 2) def test_hour(self): # Test hour directives self.helper('H', 3) strf_output = time.strftime("%I %p", self.time_tuple) strp_output = _strptime._strptime_time(strf_output, "%I %p") self.assertTrue(strp_output[3] == self.time_tuple[3], "testing of '%%I %%p' directive failed; '%s' -> %s != %s" % (strf_output, strp_output[3], self.time_tuple[3])) def test_minute(self): # Test minute directives self.helper('M', 4) def test_second(self): # Test second directives self.helper('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 for directive in ('A', 'a', 'w', 'u'): self.helper(directive,6) def test_julian(self): # Test julian directives self.helper('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)) 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() SIMPAN PERUBAHAN