Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_strftime.py @ 5817:48b94de85bf3 legacy-trunk

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Extensive changes by AMK.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
parents 8f871a030b8d
children 5b90da8a9dcc
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1f368fb3e1f7 Added test_strftime (Skip Montanaro).
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1 #! /usr/bin/env python
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2
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3 # Sanity checker for time.strftime
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4
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5 import time, calendar, sys, string, os
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6 from test_support import verbose
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7
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8 def main():
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9 global verbose
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10 now = time.time()
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11 strftest(now)
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12 verbose = 0
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13 # Try a bunch of dates and times, chosen to vary through time of
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14 # day and daylight saving time
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15 for j in range(-5, 5):
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16 for i in range(25):
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17 strftest(now + (i + j*100)*23*3603)
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18
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19 def strftest(now):
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20 if verbose:
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21 print "strftime test for", time.ctime(now)
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22 nowsecs = str(long(now))[:-1]
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23 gmt = time.gmtime(now)
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24 now = time.localtime(now)
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25
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26 if now[3] < 12: ampm='AM'
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27 else: ampm='PM'
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28
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29 jan1 = time.localtime(time.mktime((now[0], 1, 1) + (0,)*6))
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30
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31 if now[8]: tz = time.tzname[1]
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32 else: tz = time.tzname[0]
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33
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34 if now[3] > 12: clock12 = now[3] - 12
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35 elif now[3] > 0: clock12 = now[3]
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36 else: clock12 = 12
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37
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38 expectations = (
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39 ('%A', calendar.day_name[now[6]], 'full weekday name'),
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40 ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'),
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41 ('%B', calendar.month_name[now[1]], 'full month name'),
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42 ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'),
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43 ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'),
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44 ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'),
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45 ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'),
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46 ('%d', '%02d' % now[2], 'day of month as number (00-31)'),
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47 ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'),
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48 ('%H', '%02d' % now[3], 'hour (00-23)'),
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49 ('%I', '%02d' % clock12, 'hour (01-12)'),
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50 ('%j', '%03d' % now[7], 'julian day (001-366)'),
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51 ('%M', '%02d' % now[4], 'minute, (00-59)'),
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52 ('%m', '%02d' % now[1], 'month as number (01-12)'),
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53 ('%p', ampm, 'AM or PM as appropriate'),
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54 ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'),
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55 ('%r', '%02d:%02d:%02d %s' % (clock12, now[4], now[5], ampm),
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56 '%I:%M:%S %p'),
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57 ('%S', '%02d' % now[5], 'seconds of current time (00-60)'),
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58 ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
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59 ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'),
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60 ('%U', '%02d' % ((now[7] + jan1[6])/7),
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61 'week number of the year (Sun 1st)'),
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62 ('%W', '%02d' % ((now[7] + (jan1[6] - 1)%7)/7),
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63 'week number of the year (Mon 1st)'),
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64 ('%w', '%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'),
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65 ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)),
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66 '%m/%d/%y %H:%M:%S'),
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67 ('%Y', '%d' % now[0], 'year with century'),
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68 ('%y', '%02d' % (now[0]%100), 'year without century'),
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69 ('%Z', tz, 'time zone name'),
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70 ('%%', '%', 'single percent sign'),
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71 )
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72
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73 nonstandard_expectations = (
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74 ('%C', '%02d' % (now[0]/100), 'century'),
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75 # This is for IRIX; on Solaris, %C yields date(1) format.
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76 # Tough.
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77 ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'),
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78 ('%s', nowsecs, 'seconds since the Epoch in UCT'),
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79 ('%3y', '%03d' % (now[0]%100),
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80 'year without century rendered using fieldwidth'),
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81 ('%n', '\n', 'newline character'),
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82 ('%t', '\t', 'tab character'),
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83 )
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84
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85 if verbose:
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86 print "Strftime test, platform: %s, Python version: %s" % \
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87 (sys.platform, string.split(sys.version)[0])
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88
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89 for e in expectations:
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90 try:
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91 result = time.strftime(e[0], now)
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92 except ValueError, error:
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93 print "Standard '%s' format gave error:" % e[0], error
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94 continue
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95 if result == e[1]: continue
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96 if result[0] == '%':
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97 print "Does not support standard '%s' format (%s)" % (e[0], e[2])
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98 else:
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99 print "Conflict for %s (%s):" % (e[0], e[2])
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100 print " Expected %s, but got %s" % (e[1], result)
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101
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102 for e in nonstandard_expectations:
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103 try:
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104 result = time.strftime(e[0], now)
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105 except ValueError, result:
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106 if verbose:
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107 print "Error for nonstandard '%s' format (%s): %s" % \
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108 (e[0], e[2], str(result))
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109 continue
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110 if result == e[1]:
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111 if verbose:
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112 print "Supports nonstandard '%s' format (%s)" % (e[0], e[2])
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113 elif result[0] == '%':
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114 if verbose:
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115 print "Does not appear to support '%s' format (%s)" % (e[0],
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116 e[2])
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117 else:
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118 if verbose:
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119 print "Conflict for nonstandard '%s' format (%s):" % (e[0],
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120 e[2])
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121 print " Expected %s, but got %s" % (e[1], result)
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122
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123 def fixasctime(s):
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124 if s[8] == ' ':
c4e5ef9bc361 Much more rigorous testing -- we now try many times, varying in time
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125 s = s[:8] + '0' + s[9:]
c4e5ef9bc361 Much more rigorous testing -- we now try many times, varying in time
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126 return s
c4e5ef9bc361 Much more rigorous testing -- we now try many times, varying in time
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127
c4e5ef9bc361 Much more rigorous testing -- we now try many times, varying in time
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128 main()