Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 1 | """ |
| 2 | Unittest for time.strftime |
| 3 | """ |
Guido van Rossum | 483705c | 1996-12-12 19:03:11 +0000 | [diff] [blame] | 4 | |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 5 | import calendar |
| 6 | import sys |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 7 | import re |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 8 | from test import support |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 9 | import time |
| 10 | import unittest |
Guido van Rossum | 483705c | 1996-12-12 19:03:11 +0000 | [diff] [blame] | 11 | |
Guido van Rossum | 15d1079 | 1996-12-12 19:07:19 +0000 | [diff] [blame] | 12 | |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 13 | # helper functions |
Guido van Rossum | e69be3e | 1997-03-07 20:30:03 +0000 | [diff] [blame] | 14 | def fixasctime(s): |
| 15 | if s[8] == ' ': |
Guido van Rossum | 41360a4 | 1998-03-26 19:42:58 +0000 | [diff] [blame] | 16 | s = s[:8] + '0' + s[9:] |
Guido van Rossum | e69be3e | 1997-03-07 20:30:03 +0000 | [diff] [blame] | 17 | return s |
| 18 | |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 19 | def escapestr(text, ampm): |
| 20 | """ |
| 21 | Escape text to deal with possible locale values that have regex |
| 22 | syntax while allowing regex syntax used for comparison. |
| 23 | """ |
| 24 | new_text = re.escape(text) |
| 25 | new_text = new_text.replace(re.escape(ampm), ampm) |
R David Murray | 44b548d | 2016-09-08 13:59:53 -0400 | [diff] [blame] | 26 | new_text = new_text.replace(r'\%', '%') |
| 27 | new_text = new_text.replace(r'\:', ':') |
| 28 | new_text = new_text.replace(r'\?', '?') |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 29 | return new_text |
| 30 | |
| 31 | |
| 32 | class StrftimeTest(unittest.TestCase): |
| 33 | |
| 34 | def _update_variables(self, now): |
| 35 | # we must update the local variables on every cycle |
| 36 | self.gmt = time.gmtime(now) |
| 37 | now = time.localtime(now) |
| 38 | |
| 39 | if now[3] < 12: self.ampm='(AM|am)' |
| 40 | else: self.ampm='(PM|pm)' |
| 41 | |
| 42 | self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0))) |
| 43 | |
| 44 | try: |
| 45 | if now[8]: self.tz = time.tzname[1] |
| 46 | else: self.tz = time.tzname[0] |
| 47 | except AttributeError: |
| 48 | self.tz = '' |
| 49 | |
| 50 | if now[3] > 12: self.clock12 = now[3] - 12 |
| 51 | elif now[3] > 0: self.clock12 = now[3] |
| 52 | else: self.clock12 = 12 |
| 53 | |
| 54 | self.now = now |
| 55 | |
| 56 | def setUp(self): |
| 57 | try: |
| 58 | import java |
| 59 | java.util.Locale.setDefault(java.util.Locale.US) |
| 60 | except ImportError: |
xdegaye | cc55e78 | 2017-11-29 11:36:48 +0100 | [diff] [blame] | 61 | from locale import setlocale, LC_TIME |
| 62 | saved_locale = setlocale(LC_TIME) |
| 63 | setlocale(LC_TIME, 'C') |
| 64 | self.addCleanup(setlocale, LC_TIME, saved_locale) |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 65 | |
| 66 | def test_strftime(self): |
| 67 | now = time.time() |
| 68 | self._update_variables(now) |
| 69 | self.strftest1(now) |
| 70 | self.strftest2(now) |
| 71 | |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 72 | if support.verbose: |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 73 | print("Strftime test, platform: %s, Python version: %s" % \ |
| 74 | (sys.platform, sys.version.split()[0])) |
| 75 | |
| 76 | for j in range(-5, 5): |
| 77 | for i in range(25): |
| 78 | arg = now + (i+j*100)*23*3603 |
| 79 | self._update_variables(arg) |
| 80 | self.strftest1(arg) |
| 81 | self.strftest2(arg) |
| 82 | |
| 83 | def strftest1(self, now): |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 84 | if support.verbose: |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 85 | print("strftime test for", time.ctime(now)) |
| 86 | now = self.now |
| 87 | # Make sure any characters that could be taken as regex syntax is |
| 88 | # escaped in escapestr() |
| 89 | expectations = ( |
| 90 | ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'), |
| 91 | ('%A', calendar.day_name[now[6]], 'full weekday name'), |
| 92 | ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'), |
| 93 | ('%B', calendar.month_name[now[1]], 'full month name'), |
| 94 | # %c see below |
| 95 | ('%d', '%02d' % now[2], 'day of month as number (00-31)'), |
| 96 | ('%H', '%02d' % now[3], 'hour (00-23)'), |
| 97 | ('%I', '%02d' % self.clock12, 'hour (01-12)'), |
| 98 | ('%j', '%03d' % now[7], 'julian day (001-366)'), |
| 99 | ('%m', '%02d' % now[1], 'month as number (01-12)'), |
| 100 | ('%M', '%02d' % now[4], 'minute, (00-59)'), |
| 101 | ('%p', self.ampm, 'AM or PM as appropriate'), |
| 102 | ('%S', '%02d' % now[5], 'seconds of current time (00-60)'), |
| 103 | ('%U', '%02d' % ((now[7] + self.jan1[6])//7), |
| 104 | 'week number of the year (Sun 1st)'), |
| 105 | ('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'), |
| 106 | ('%W', '%02d' % ((now[7] + (self.jan1[6] - 1)%7)//7), |
| 107 | 'week number of the year (Mon 1st)'), |
| 108 | # %x see below |
| 109 | ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), |
| 110 | ('%y', '%02d' % (now[0]%100), 'year without century'), |
| 111 | ('%Y', '%d' % now[0], 'year with century'), |
| 112 | # %Z see below |
| 113 | ('%%', '%', 'single percent sign'), |
| 114 | ) |
| 115 | |
| 116 | for e in expectations: |
| 117 | # musn't raise a value error |
| 118 | try: |
| 119 | result = time.strftime(e[0], now) |
| 120 | except ValueError as error: |
Georg Brandl | c0e22b7 | 2010-03-14 10:51:01 +0000 | [diff] [blame] | 121 | self.fail("strftime '%s' format gave error: %s" % (e[0], error)) |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 122 | if re.match(escapestr(e[1], self.ampm), result): |
| 123 | continue |
| 124 | if not result or result[0] == '%': |
Georg Brandl | c0e22b7 | 2010-03-14 10:51:01 +0000 | [diff] [blame] | 125 | self.fail("strftime does not support standard '%s' format (%s)" |
| 126 | % (e[0], e[2])) |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 127 | else: |
Georg Brandl | c0e22b7 | 2010-03-14 10:51:01 +0000 | [diff] [blame] | 128 | self.fail("Conflict for %s (%s): expected %s, but got %s" |
| 129 | % (e[0], e[2], e[1], result)) |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 130 | |
| 131 | def strftest2(self, now): |
| 132 | nowsecs = str(int(now))[:-1] |
| 133 | now = self.now |
| 134 | |
| 135 | nonstandard_expectations = ( |
| 136 | # These are standard but don't have predictable output |
| 137 | ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'), |
| 138 | ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), |
| 139 | '%m/%d/%y %H:%M:%S'), |
| 140 | ('%Z', '%s' % self.tz, 'time zone name'), |
| 141 | |
| 142 | # These are some platform specific extensions |
| 143 | ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'), |
| 144 | ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'), |
| 145 | ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'), |
| 146 | ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'), |
| 147 | ('%n', '\n', 'newline character'), |
| 148 | ('%r', '%02d:%02d:%02d %s' % (self.clock12, now[4], now[5], self.ampm), |
| 149 | '%I:%M:%S %p'), |
| 150 | ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'), |
| 151 | ('%s', nowsecs, 'seconds since the Epoch in UCT'), |
| 152 | ('%t', '\t', 'tab character'), |
| 153 | ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), |
| 154 | ('%3y', '%03d' % (now[0]%100), |
| 155 | 'year without century rendered using fieldwidth'), |
| 156 | ) |
| 157 | |
| 158 | |
| 159 | for e in nonstandard_expectations: |
| 160 | try: |
| 161 | result = time.strftime(e[0], now) |
| 162 | except ValueError as result: |
| 163 | msg = "Error for nonstandard '%s' format (%s): %s" % \ |
| 164 | (e[0], e[2], str(result)) |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 165 | if support.verbose: |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 166 | print(msg) |
| 167 | continue |
| 168 | if re.match(escapestr(e[1], self.ampm), result): |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 169 | if support.verbose: |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 170 | print("Supports nonstandard '%s' format (%s)" % (e[0], e[2])) |
| 171 | elif not result or result[0] == '%': |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 172 | if support.verbose: |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 173 | print("Does not appear to support '%s' format (%s)" % \ |
| 174 | (e[0], e[2])) |
| 175 | else: |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 176 | if support.verbose: |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 177 | print("Conflict for nonstandard '%s' format (%s):" % \ |
| 178 | (e[0], e[2])) |
| 179 | print(" Expected %s, but got %s" % (e[1], result)) |
| 180 | |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 181 | |
Tim Golden | 6e51b8f | 2013-11-12 12:36:54 +0000 | [diff] [blame] | 182 | class Y1900Tests(unittest.TestCase): |
| 183 | """A limitation of the MS C runtime library is that it crashes if |
| 184 | a date before 1900 is passed with a format string containing "%y" |
| 185 | """ |
| 186 | |
Victor Stinner | 55329f8 | 2013-11-17 23:39:21 +0100 | [diff] [blame] | 187 | def test_y_before_1900(self): |
Victor Stinner | 0da64f7 | 2013-11-23 17:58:26 +0100 | [diff] [blame] | 188 | # Issue #13674, #19634 |
Victor Stinner | 55329f8 | 2013-11-17 23:39:21 +0100 | [diff] [blame] | 189 | t = (1899, 1, 1, 0, 0, 0, 0, 0, 0) |
Victor Stinner | 0da64f7 | 2013-11-23 17:58:26 +0100 | [diff] [blame] | 190 | if (sys.platform == "win32" |
| 191 | or sys.platform.startswith(("aix", "sunos", "solaris"))): |
Victor Stinner | 55329f8 | 2013-11-17 23:39:21 +0100 | [diff] [blame] | 192 | with self.assertRaises(ValueError): |
| 193 | time.strftime("%y", t) |
| 194 | else: |
| 195 | self.assertEqual(time.strftime("%y", t), "99") |
Tim Golden | 6e51b8f | 2013-11-12 12:36:54 +0000 | [diff] [blame] | 196 | |
| 197 | def test_y_1900(self): |
Jason R. Coombs | 6f87a08 | 2013-11-15 19:41:57 -0500 | [diff] [blame] | 198 | self.assertEqual( |
Tim Golden | 6e51b8f | 2013-11-12 12:36:54 +0000 | [diff] [blame] | 199 | time.strftime("%y", (1900, 1, 1, 0, 0, 0, 0, 0, 0)), "00") |
| 200 | |
| 201 | def test_y_after_1900(self): |
Jason R. Coombs | 6f87a08 | 2013-11-15 19:41:57 -0500 | [diff] [blame] | 202 | self.assertEqual( |
Tim Golden | 6e51b8f | 2013-11-12 12:36:54 +0000 | [diff] [blame] | 203 | time.strftime("%y", (2013, 1, 1, 0, 0, 0, 0, 0, 0)), "13") |
| 204 | |
Christian Heimes | b186d00 | 2008-03-18 15:15:01 +0000 | [diff] [blame] | 205 | if __name__ == '__main__': |
Brett Cannon | 3e9a9ae | 2013-06-12 21:25:59 -0400 | [diff] [blame] | 206 | unittest.main() |