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v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 74f4bd53e03ded8408bcc2de67cf0f5a4ac5b1a1 authored by Barry Warsaw on 23 February 2012, 15:59:38 UTC
Bump some more copyright years (as per PEP 101), since this is the first
Bump some more copyright years (as per PEP 101), since this is the first
Tip revision: 74f4bd5
test_strftime.py
"""
Unittest for time.strftime
"""
import calendar
import sys
import os
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()