mirror of
https://github.com/python/cpython.git
synced 2024-12-17 22:05:04 +08:00
205 lines
7.4 KiB
Python
205 lines
7.4 KiB
Python
"""
|
|
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('\%', '%')
|
|
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:
|
|
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()
|