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v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 1da43e5e916949c8e849e656d9d05fa4b9d6836c authored by Benjamin Peterson on 26 June 2009, 13:21:52 UTC
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
Tip revision: 1da43e5
test_strftime.py
"""
Unittest for time.strftime
"""
import calendar
import sys
import os
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('\%', '%')
new_text = new_text.replace('\:', ':')
new_text = new_text.replace('\?', '?')
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:
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 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:
print("Standard '%s' format gaver error:" % (e[0], error))
continue
if re.match(escapestr(e[1], self.ampm), result):
continue
if not result or result[0] == '%':
print("Does not support standard '%s' format (%s)" % \
(e[0], e[2]))
else:
print("Conflict for %s (%s):" % (e[0], e[2]))
print(" Expected %s, but got %s" % (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))
def test_main():
support.run_unittest(StrftimeTest)
if __name__ == '__main__':
test_main()