""" | |
Unittest for time.strftime | |
""" | |
import calendar | |
import sys | |
import re | |
from test import test_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('\%', '%') | |
new_text = new_text.replace('\:', ':') | |
new_text = new_text.replace('\?', '?') | |
return new_text | |
class StrftimeTest(unittest.TestCase): | |
def __init__(self, *k, **kw): | |
unittest.TestCase.__init__(self, *k, **kw) | |
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: | |
import locale | |
locale.setlocale(locale.LC_TIME, 'C') | |
def test_strftime(self): | |
now = time.time() | |
self._update_variables(now) | |
self.strftest1(now) | |
self.strftest2(now) | |
if test_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 test_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, 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(long(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, result: | |
msg = "Error for nonstandard '%s' format (%s): %s" % \ | |
(e[0], e[2], str(result)) | |
if test_support.verbose: | |
print msg | |
continue | |
if re.match(escapestr(e[1], self.ampm), result): | |
if test_support.verbose: | |
print "Supports nonstandard '%s' format (%s)" % (e[0], e[2]) | |
elif not result or result[0] == '%': | |
if test_support.verbose: | |
print "Does not appear to support '%s' format (%s)" % \ | |
(e[0], e[2]) | |
else: | |
if test_support.verbose: | |
print "Conflict for nonstandard '%s' format (%s):" % \ | |
(e[0], e[2]) | |
print " Expected %s, but got %s" % (e[1], result) | |
def test_main(): | |
test_support.run_unittest(StrftimeTest) | |
if __name__ == '__main__': | |
test_main() |