text: """PyUnit testing against strptime"""
  
  import unittest
  import time
  import locale
  import re
  import sys
  from test import test_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.assertTrue(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.assertTrue(strftime_output == self.LT_ins.am_pm[position],
                          "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.assertTrue(strftime_output == time.strftime(self.LT_ins.LC_date_time,
                                                           magic_date),
                          "LC_date_time incorrect")
          strftime_output = time.strftime("%x", magic_date)
          self.assertTrue(strftime_output == time.strftime(self.LT_ins.LC_date,
                                                           magic_date),
                          "LC_date incorrect")
          strftime_output = time.strftime("%X", magic_date)
          self.assertTrue(strftime_output == time.strftime(self.LT_ins.LC_time,
                                                           magic_date),
                          "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.assertTrue(_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.assertTrue(not 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, 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, 01, 07), "First Sunday of 2007")
          test_helper((2007, 01, 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 reseting 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():
      test_support.run_unittest(
          getlang_Tests,
          LocaleTime_Tests,
          TimeRETests,
          StrptimeTests,
          Strptime12AMPMTests,
          JulianTests,
          CalculationTests,
          CacheTests
      )
  
  
  if __name__ == '__main__':
      test_main()
  