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