| """PyUnit testing against strptime""" |
| |
| import unittest |
| import time |
| import locale |
| import re |
| import sys |
| from test import support |
| 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") |
| |
| 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("\d+") |
| self.assertIn(r"\\d\+", pattern_string, |
| "%s does not have re characters escaped properly" % |
| pattern_string) |
| |
| 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','H','I','j','m','M','p','S', |
| 'U','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("\w+ %m") |
| found = compiled_re.match("\w+ 10") |
| self.assertTrue(found, "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 to 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) |
| |
| 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'): |
| self.helper(directive,6) |
| |
| def test_julian(self): |
| # Test julian directives |
| self.helper('j', 7) |
| |
| 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_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"): |
| return |
| try: |
| original_tzname = time.tzname |
| original_daylight = time.daylight |
| 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)) |
| finally: |
| time.tzname = original_tzname |
| time.daylight = original_daylight |
| |
| 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 = ".^$*+?{}\[]|)(" |
| self.assertTrue(_strptime._strptime_time(need_escaping, need_escaping)) |
| |
| 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() |
| |
| 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_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_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 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 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])) |
| 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") |
| |
| |
| 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(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: |
| return |
| 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: |
| pass |
| # 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_main(): |
| support.run_unittest( |
| getlang_Tests, |
| LocaleTime_Tests, |
| TimeRETests, |
| StrptimeTests, |
| Strptime12AMPMTests, |
| JulianTests, |
| CalculationTests, |
| CacheTests |
| ) |
| |
| |
| if __name__ == '__main__': |
| test_main() |