symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_strftime.py
changeset 1 2fb8b9db1c86
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0:ffa851df0825 1:2fb8b9db1c86
       
     1 """
       
     2 Unittest for time.strftime
       
     3 """
       
     4 
       
     5 import calendar
       
     6 import sys
       
     7 import os
       
     8 import re
       
     9 from test import test_support
       
    10 import time
       
    11 import unittest
       
    12 
       
    13 
       
    14 # helper functions
       
    15 def fixasctime(s):
       
    16     if s[8] == ' ':
       
    17         s = s[:8] + '0' + s[9:]
       
    18     return s
       
    19 
       
    20 def escapestr(text, ampm):
       
    21     """
       
    22     Escape text to deal with possible locale values that have regex
       
    23     syntax while allowing regex syntax used for comparison.
       
    24     """
       
    25     new_text = re.escape(text)
       
    26     new_text = new_text.replace(re.escape(ampm), ampm)
       
    27     new_text = new_text.replace('\%', '%')
       
    28     new_text = new_text.replace('\:', ':')
       
    29     new_text = new_text.replace('\?', '?')
       
    30     return new_text
       
    31 
       
    32 class StrftimeTest(unittest.TestCase):
       
    33 
       
    34     def __init__(self, *k, **kw):
       
    35         unittest.TestCase.__init__(self, *k, **kw)
       
    36 
       
    37     def _update_variables(self, now):
       
    38         # we must update the local variables on every cycle
       
    39         self.gmt = time.gmtime(now)
       
    40         now = time.localtime(now)
       
    41 
       
    42         if now[3] < 12: self.ampm='(AM|am)'
       
    43         else: self.ampm='(PM|pm)'
       
    44 
       
    45         self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0)))
       
    46 
       
    47         try:
       
    48             if now[8]: self.tz = time.tzname[1]
       
    49             else: self.tz = time.tzname[0]
       
    50         except AttributeError:
       
    51             self.tz = ''
       
    52 
       
    53         if now[3] > 12: self.clock12 = now[3] - 12
       
    54         elif now[3] > 0: self.clock12 = now[3]
       
    55         else: self.clock12 = 12
       
    56 
       
    57         self.now = now
       
    58 
       
    59     def setUp(self):
       
    60         try:
       
    61             import java
       
    62             java.util.Locale.setDefault(java.util.Locale.US)
       
    63         except ImportError:
       
    64             import locale
       
    65             locale.setlocale(locale.LC_TIME, 'C')
       
    66 
       
    67     def test_strftime(self):
       
    68         now = time.time()
       
    69         self._update_variables(now)
       
    70         self.strftest1(now)
       
    71         self.strftest2(now)
       
    72 
       
    73         if test_support.verbose:
       
    74             print "Strftime test, platform: %s, Python version: %s" % \
       
    75                   (sys.platform, sys.version.split()[0])
       
    76 
       
    77         for j in range(-5, 5):
       
    78             for i in range(25):
       
    79                 arg = now + (i+j*100)*23*3603
       
    80                 self._update_variables(arg)
       
    81                 self.strftest1(arg)
       
    82                 self.strftest2(arg)
       
    83 
       
    84     def strftest1(self, now):
       
    85         if test_support.verbose:
       
    86             print "strftime test for", time.ctime(now)
       
    87         now = self.now
       
    88         # Make sure any characters that could be taken as regex syntax is
       
    89         # escaped in escapestr()
       
    90         expectations = (
       
    91             ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'),
       
    92             ('%A', calendar.day_name[now[6]], 'full weekday name'),
       
    93             ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'),
       
    94             ('%B', calendar.month_name[now[1]], 'full month name'),
       
    95             # %c see below
       
    96             ('%d', '%02d' % now[2], 'day of month as number (00-31)'),
       
    97             ('%H', '%02d' % now[3], 'hour (00-23)'),
       
    98             ('%I', '%02d' % self.clock12, 'hour (01-12)'),
       
    99             ('%j', '%03d' % now[7], 'julian day (001-366)'),
       
   100             ('%m', '%02d' % now[1], 'month as number (01-12)'),
       
   101             ('%M', '%02d' % now[4], 'minute, (00-59)'),
       
   102             ('%p', self.ampm, 'AM or PM as appropriate'),
       
   103             ('%S', '%02d' % now[5], 'seconds of current time (00-60)'),
       
   104             ('%U', '%02d' % ((now[7] + self.jan1[6])//7),
       
   105              'week number of the year (Sun 1st)'),
       
   106             ('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'),
       
   107             ('%W', '%02d' % ((now[7] + (self.jan1[6] - 1)%7)//7),
       
   108             'week number of the year (Mon 1st)'),
       
   109             # %x see below
       
   110             ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
       
   111             ('%y', '%02d' % (now[0]%100), 'year without century'),
       
   112             ('%Y', '%d' % now[0], 'year with century'),
       
   113             # %Z see below
       
   114             ('%%', '%', 'single percent sign'),
       
   115         )
       
   116 
       
   117         for e in expectations:
       
   118             # musn't raise a value error
       
   119             try:
       
   120                 result = time.strftime(e[0], now)
       
   121             except ValueError, error:
       
   122                 print "Standard '%s' format gaver error:" % (e[0], error)
       
   123                 continue
       
   124             if re.match(escapestr(e[1], self.ampm), result):
       
   125                 continue
       
   126             if not result or result[0] == '%':
       
   127                 print "Does not support standard '%s' format (%s)" % \
       
   128                        (e[0], e[2])
       
   129             else:
       
   130                 print "Conflict for %s (%s):" % (e[0], e[2])
       
   131                 print "  Expected %s, but got %s" % (e[1], result)
       
   132 
       
   133     def strftest2(self, now):
       
   134         nowsecs = str(long(now))[:-1]
       
   135         now = self.now
       
   136 
       
   137         nonstandard_expectations = (
       
   138         # These are standard but don't have predictable output
       
   139             ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'),
       
   140             ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)),
       
   141             '%m/%d/%y %H:%M:%S'),
       
   142             ('%Z', '%s' % self.tz, 'time zone name'),
       
   143 
       
   144             # These are some platform specific extensions
       
   145             ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'),
       
   146             ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'),
       
   147             ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'),
       
   148             ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'),
       
   149             ('%n', '\n', 'newline character'),
       
   150             ('%r', '%02d:%02d:%02d %s' % (self.clock12, now[4], now[5], self.ampm),
       
   151             '%I:%M:%S %p'),
       
   152             ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'),
       
   153             ('%s', nowsecs, 'seconds since the Epoch in UCT'),
       
   154             ('%t', '\t', 'tab character'),
       
   155             ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
       
   156             ('%3y', '%03d' % (now[0]%100),
       
   157             'year without century rendered using fieldwidth'),
       
   158         )
       
   159 
       
   160         for e in nonstandard_expectations:
       
   161             try:
       
   162                 result = time.strftime(e[0], now)
       
   163             except ValueError, result:
       
   164                 msg = "Error for nonstandard '%s' format (%s): %s" % \
       
   165                       (e[0], e[2], str(result))
       
   166                 if test_support.verbose:
       
   167                     print msg
       
   168                 continue
       
   169 
       
   170             if re.match(escapestr(e[1], self.ampm), result):
       
   171                 if test_support.verbose:
       
   172                     print "Supports nonstandard '%s' format (%s)" % (e[0], e[2])
       
   173             elif not result or result[0] == '%':
       
   174                 if test_support.verbose:
       
   175                     print "Does not appear to support '%s' format (%s)" % \
       
   176                            (e[0], e[2])
       
   177             else:
       
   178                 if test_support.verbose:
       
   179                     print "Conflict for nonstandard '%s' format (%s):" % \
       
   180                            (e[0], e[2])
       
   181                     print "  Expected %s, but got %s" % (e[1], result)
       
   182 
       
   183 def test_main():
       
   184     test_support.run_unittest(StrftimeTest)
       
   185 
       
   186 if __name__ == '__main__':
       
   187     test_main()