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) # Ambiguous or incomplete cases using ISO year/week/weekday directives # 1. ISO week (%V) is specified, but the year is specified with %Y # instead of %G with self.assertRaises(ValueError): _strptime._strptime("1999 50", "%Y %V") # 2. ISO year (%G) and ISO week (%V) are specified, but weekday is not with self.assertRaises(ValueError): _strptime._strptime("1999 51", "%G %V") # 3. ISO year (%G) and weekday are specified, but ISO week (%V) is not for w in ('A', 'a', 'w', 'u'): with self.assertRaises(ValueError): _strptime._strptime("1999 51","%G %{}".format(w)) # 4. ISO year is specified alone (e.g. time.strptime('2015', '%G')) with self.assertRaises(ValueError): _strptime._strptime("2015", "%G") # 5. Julian/ordinal day (%j) is specified with %G, but not %Y with self.assertRaises(ValueError): _strptime._strptime("1999 256", "%G %j")
def test_TimeRE_recreation(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)
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_new_localetime(self): # A new LocaleTime instance should be created when a new TimeRE object # is created. locale_time_id = id(_strptime._TimeRE_cache.locale_time) _strptime._TimeRE_cache.locale_time.lang = "Ni" _strptime._strptime_time("10", "%d") self.failIfEqual(locale_time_id, id(_strptime._TimeRE_cache.locale_time))
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_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_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, err: self.fail("'%s' raised %s, not ValueError" % (bad_format, err.__class__.__name__)) else: self.fail("'%s' did not raise ValueError" % bad_format)
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_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')
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_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 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_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_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 = ".^$*+?{}\[]|)(" self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping))
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))
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))
def strptime(string, format="%a %b %d %H:%M:%S %Y"): """strptime(string, format) -> struct_time Parse a string to a time tuple according to a format specification. See the library reference manual for formatting codes (same as strftime()).""" import _strptime # from the CPython standard library return _strptime._strptime_time(string, format)
def test_day_of_week_calculation(self): if test_support.due_to_ironpython_bug("http://tkbgitvstfat01:8080/WorkItemTracking/WorkItem.aspx?artifactMoniker=409557"): return # 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))
def test_helper(ymd_tuple, test_reason): for year_week_format in ("%Y %W", "%Y %U", "%G %V"): 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)
def test_julian_calculation(self): if test_support.due_to_ironpython_bug("http://tkbgitvstfat01:8080/WorkItemTracking/WorkItem.aspx?artifactMoniker=409557"): return # 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))
def test_helper(ymd_tuple, test_reason): for directive in ('W', 'U'): format_string = "%%Y %%%s %%w" % directive dt_date = datetime_date(*ymd_tuple) strp_input = dt_date.strftime(format_string) strp_output = _strptime._strptime_time(strp_input, format_string) self.assertTrue(strp_output[:3] == ymd_tuple, "%s(%s) test failed w/ '%s': %s != %s (%s != %s)" % (test_reason, directive, strp_input, strp_output[:3], ymd_tuple, strp_output[7], dt_date.timetuple()[7]))
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_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")
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))
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) if test_support.due_to_ironpython_bug("http://tkbgitvstfat01:8080/WorkItemTracking/WorkItem.aspx?artifactMoniker=409557"): return 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")
def test_helper(ymd_tuple, test_reason): for year_week_format in ('%Y %W', '%Y %U', '%G %V'): 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)
def test_gregorian_calculation(self): if test_support.due_to_ironpython_bug("http://tkbgitvstfat01:8080/WorkItemTracking/WorkItem.aspx?artifactMoniker=409557"): return # 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))
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 = id(_strptime._TimeRE_cache) _strptime._strptime_time("10", "%d") self.failIfEqual(original_time_re, id(_strptime._TimeRE_cache)) self.failUnlessEqual(len(_strptime._regex_cache), 1)
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_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_defaults(self): 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_all_julian_days(self): eq = self.assertEqual for i in range(1, 367): eq(_strptime._strptime_time('%d 2004' % i, '%j %Y')[7], i)
def test_new_localetime(self): 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 check(value, format, *expected): self.assertEqual( _strptime._strptime_time(value, format)[:-1], expected)
def strptime(data_string, format="%a %b %d %H:%M:%S %Y"): from _strptime import _strptime_time return _strptime_time(data_string, format)
def test_percent(self): 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_escaping(self): need_escaping = '.^$*+?{}\\[]|)(' self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping))
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)
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)
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)