| """ |
| Unittest for time.strftime |
| """ |
| |
| import calendar |
| import sys |
| import re |
| from test import support |
| import time |
| import unittest |
| |
| |
| # helper functions |
| def fixasctime(s): |
| if s[8] == ' ': |
| s = s[:8] + '0' + s[9:] |
| return s |
| |
| def escapestr(text, ampm): |
| """ |
| Escape text to deal with possible locale values that have regex |
| syntax while allowing regex syntax used for comparison. |
| """ |
| new_text = re.escape(text) |
| new_text = new_text.replace(re.escape(ampm), ampm) |
| new_text = new_text.replace(r'\%', '%') |
| new_text = new_text.replace(r'\:', ':') |
| new_text = new_text.replace(r'\?', '?') |
| return new_text |
| |
| |
| class StrftimeTest(unittest.TestCase): |
| |
| def _update_variables(self, now): |
| # we must update the local variables on every cycle |
| self.gmt = time.gmtime(now) |
| now = time.localtime(now) |
| |
| if now[3] < 12: self.ampm='(AM|am)' |
| else: self.ampm='(PM|pm)' |
| |
| self.jan1 = time.localtime(time.mktime((now[0], 1, 1, 0, 0, 0, 0, 1, 0))) |
| |
| try: |
| if now[8]: self.tz = time.tzname[1] |
| else: self.tz = time.tzname[0] |
| except AttributeError: |
| self.tz = '' |
| |
| if now[3] > 12: self.clock12 = now[3] - 12 |
| elif now[3] > 0: self.clock12 = now[3] |
| else: self.clock12 = 12 |
| |
| self.now = now |
| |
| def setUp(self): |
| try: |
| import java |
| java.util.Locale.setDefault(java.util.Locale.US) |
| except ImportError: |
| from locale import setlocale, LC_TIME |
| saved_locale = setlocale(LC_TIME) |
| setlocale(LC_TIME, 'C') |
| self.addCleanup(setlocale, LC_TIME, saved_locale) |
| |
| def test_strftime(self): |
| now = time.time() |
| self._update_variables(now) |
| self.strftest1(now) |
| self.strftest2(now) |
| |
| if support.verbose: |
| print("Strftime test, platform: %s, Python version: %s" % \ |
| (sys.platform, sys.version.split()[0])) |
| |
| for j in range(-5, 5): |
| for i in range(25): |
| arg = now + (i+j*100)*23*3603 |
| self._update_variables(arg) |
| self.strftest1(arg) |
| self.strftest2(arg) |
| |
| def strftest1(self, now): |
| if support.verbose: |
| print("strftime test for", time.ctime(now)) |
| now = self.now |
| # Make sure any characters that could be taken as regex syntax is |
| # escaped in escapestr() |
| expectations = ( |
| ('%a', calendar.day_abbr[now[6]], 'abbreviated weekday name'), |
| ('%A', calendar.day_name[now[6]], 'full weekday name'), |
| ('%b', calendar.month_abbr[now[1]], 'abbreviated month name'), |
| ('%B', calendar.month_name[now[1]], 'full month name'), |
| # %c see below |
| ('%d', '%02d' % now[2], 'day of month as number (00-31)'), |
| ('%H', '%02d' % now[3], 'hour (00-23)'), |
| ('%I', '%02d' % self.clock12, 'hour (01-12)'), |
| ('%j', '%03d' % now[7], 'julian day (001-366)'), |
| ('%m', '%02d' % now[1], 'month as number (01-12)'), |
| ('%M', '%02d' % now[4], 'minute, (00-59)'), |
| ('%p', self.ampm, 'AM or PM as appropriate'), |
| ('%S', '%02d' % now[5], 'seconds of current time (00-60)'), |
| ('%U', '%02d' % ((now[7] + self.jan1[6])//7), |
| 'week number of the year (Sun 1st)'), |
| ('%w', '0?%d' % ((1+now[6]) % 7), 'weekday as a number (Sun 1st)'), |
| ('%W', '%02d' % ((now[7] + (self.jan1[6] - 1)%7)//7), |
| 'week number of the year (Mon 1st)'), |
| # %x see below |
| ('%X', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), |
| ('%y', '%02d' % (now[0]%100), 'year without century'), |
| ('%Y', '%d' % now[0], 'year with century'), |
| # %Z see below |
| ('%%', '%', 'single percent sign'), |
| ) |
| |
| for e in expectations: |
| # musn't raise a value error |
| try: |
| result = time.strftime(e[0], now) |
| except ValueError as error: |
| self.fail("strftime '%s' format gave error: %s" % (e[0], error)) |
| if re.match(escapestr(e[1], self.ampm), result): |
| continue |
| if not result or result[0] == '%': |
| self.fail("strftime does not support standard '%s' format (%s)" |
| % (e[0], e[2])) |
| else: |
| self.fail("Conflict for %s (%s): expected %s, but got %s" |
| % (e[0], e[2], e[1], result)) |
| |
| def strftest2(self, now): |
| nowsecs = str(int(now))[:-1] |
| now = self.now |
| |
| nonstandard_expectations = ( |
| # These are standard but don't have predictable output |
| ('%c', fixasctime(time.asctime(now)), 'near-asctime() format'), |
| ('%x', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), |
| '%m/%d/%y %H:%M:%S'), |
| ('%Z', '%s' % self.tz, 'time zone name'), |
| |
| # These are some platform specific extensions |
| ('%D', '%02d/%02d/%02d' % (now[1], now[2], (now[0]%100)), 'mm/dd/yy'), |
| ('%e', '%2d' % now[2], 'day of month as number, blank padded ( 0-31)'), |
| ('%h', calendar.month_abbr[now[1]], 'abbreviated month name'), |
| ('%k', '%2d' % now[3], 'hour, blank padded ( 0-23)'), |
| ('%n', '\n', 'newline character'), |
| ('%r', '%02d:%02d:%02d %s' % (self.clock12, now[4], now[5], self.ampm), |
| '%I:%M:%S %p'), |
| ('%R', '%02d:%02d' % (now[3], now[4]), '%H:%M'), |
| ('%s', nowsecs, 'seconds since the Epoch in UCT'), |
| ('%t', '\t', 'tab character'), |
| ('%T', '%02d:%02d:%02d' % (now[3], now[4], now[5]), '%H:%M:%S'), |
| ('%3y', '%03d' % (now[0]%100), |
| 'year without century rendered using fieldwidth'), |
| ) |
| |
| |
| for e in nonstandard_expectations: |
| try: |
| result = time.strftime(e[0], now) |
| except ValueError as result: |
| msg = "Error for nonstandard '%s' format (%s): %s" % \ |
| (e[0], e[2], str(result)) |
| if support.verbose: |
| print(msg) |
| continue |
| if re.match(escapestr(e[1], self.ampm), result): |
| if support.verbose: |
| print("Supports nonstandard '%s' format (%s)" % (e[0], e[2])) |
| elif not result or result[0] == '%': |
| if support.verbose: |
| print("Does not appear to support '%s' format (%s)" % \ |
| (e[0], e[2])) |
| else: |
| if support.verbose: |
| print("Conflict for nonstandard '%s' format (%s):" % \ |
| (e[0], e[2])) |
| print(" Expected %s, but got %s" % (e[1], result)) |
| |
| |
| class Y1900Tests(unittest.TestCase): |
| """A limitation of the MS C runtime library is that it crashes if |
| a date before 1900 is passed with a format string containing "%y" |
| """ |
| |
| def test_y_before_1900(self): |
| # Issue #13674, #19634 |
| t = (1899, 1, 1, 0, 0, 0, 0, 0, 0) |
| if (sys.platform == "win32" |
| or sys.platform.startswith(("aix", "sunos", "solaris"))): |
| with self.assertRaises(ValueError): |
| time.strftime("%y", t) |
| else: |
| self.assertEqual(time.strftime("%y", t), "99") |
| |
| def test_y_1900(self): |
| self.assertEqual( |
| time.strftime("%y", (1900, 1, 1, 0, 0, 0, 0, 0, 0)), "00") |
| |
| def test_y_after_1900(self): |
| self.assertEqual( |
| time.strftime("%y", (2013, 1, 1, 0, 0, 0, 0, 0, 0)), "13") |
| |
| if __name__ == '__main__': |
| unittest.main() |
