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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
"""PyUnit testing against strptime"""
import unittest
import time
import locale
import re
import sys
from test import test_support
from datetime import date as datetime_date
import _strptime
class getlang_Tests(unittest.TestCase):
"""Test _getlang"""
def test_basic(self):
self.failUnlessEqual(_strptime._getlang(), locale.getlocale(locale.LC_TIME))
class LocaleTime_Tests(unittest.TestCase):
"""Tests for _strptime.LocaleTime.
All values are lower-cased when stored in LocaleTime, so make sure to
compare values after running ``lower`` on them.
"""
def setUp(self):
"""Create time tuple based on current time."""
self.time_tuple = time.localtime()
self.LT_ins = _strptime.LocaleTime()
def compare_against_time(self, testing, directive, tuple_position,
error_msg):
"""Helper method that tests testing against directive based on the
tuple_position of time_tuple. Uses error_msg as error message.
"""
strftime_output = time.strftime(directive, self.time_tuple).lower()
comparison = testing[self.time_tuple[tuple_position]]
self.failUnless(strftime_output in testing, "%s: not found in tuple" %
error_msg)
self.failUnless(comparison == strftime_output,
"%s: position within tuple incorrect; %s != %s" %
(error_msg, comparison, strftime_output))
def test_weekday(self):
# Make sure that full and abbreviated weekday names are correct in
# both string and position with tuple
self.compare_against_time(self.LT_ins.f_weekday, '%A', 6,
"Testing of full weekday name failed")
self.compare_against_time(self.LT_ins.a_weekday, '%a', 6,
"Testing of abbreviated weekday name failed")
def test_month(self):
# Test full and abbreviated month names; both string and position
# within the tuple
self.compare_against_time(self.LT_ins.f_month, '%B', 1,
"Testing against full month name failed")
self.compare_against_time(self.LT_ins.a_month, '%b', 1,
"Testing against abbreviated month name failed")
def test_am_pm(self):
# Make sure AM/PM representation done properly
strftime_output = time.strftime("%p", self.time_tuple).lower()
self.failUnless(strftime_output in self.LT_ins.am_pm,
"AM/PM representation not in tuple")
if self.time_tuple[3] < 12: position = 0
else: position = 1
self.failUnless(strftime_output == self.LT_ins.am_pm[position],
"AM/PM representation in the wrong position within the tuple")
def test_timezone(self):
# Make sure timezone is correct
timezone = time.strftime("%Z", self.time_tuple).lower()
if timezone:
self.failUnless(timezone in self.LT_ins.timezone[0] or \
timezone in self.LT_ins.timezone[1],
"timezone %s not found in %s" %
(timezone, self.LT_ins.timezone))
def test_date_time(self):
# Check that LC_date_time, LC_date, and LC_time are correct
# the magic date is used so as to not have issues with %c when day of
# the month is a single digit and has a leading space. This is not an
# issue since strptime still parses it correctly. The problem is
# testing these directives for correctness by comparing strftime
# output.
magic_date = (1999, 3, 17, 22, 44, 55, 2, 76, 0)
strftime_output = time.strftime("%c", magic_date)
self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_date_time,
magic_date),
"LC_date_time incorrect")
strftime_output = time.strftime("%x", magic_date)
self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_date,
magic_date),
"LC_date incorrect")
strftime_output = time.strftime("%X", magic_date)
self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_time,
magic_date),
"LC_time incorrect")
LT = _strptime.LocaleTime()
LT.am_pm = ('', '')
self.failUnless(LT.LC_time, "LocaleTime's LC directives cannot handle "
"empty strings")
def test_lang(self):
# Make sure lang is set to what _getlang() returns
# Assuming locale has not changed between now and when self.LT_ins was created
self.failUnlessEqual(self.LT_ins.lang, _strptime._getlang())
class TimeRETests(unittest.TestCase):
"""Tests for TimeRE."""
def setUp(self):
"""Construct generic TimeRE object."""
self.time_re = _strptime.TimeRE()
self.locale_time = _strptime.LocaleTime()
def test_pattern(self):
# Test TimeRE.pattern
pattern_string = self.time_re.pattern(r"%a %A %d")
self.failUnless(pattern_string.find(self.locale_time.a_weekday[2]) != -1,
"did not find abbreviated weekday in pattern string '%s'" %
pattern_string)
self.failUnless(pattern_string.find(self.locale_time.f_weekday[4]) != -1,
"did not find full weekday in pattern string '%s'" %
pattern_string)
self.failUnless(pattern_string.find(self.time_re['d']) != -1,
"did not find 'd' directive pattern string '%s'" %
pattern_string)
def test_pattern_escaping(self):
# Make sure any characters in the format string that might be taken as
# regex syntax is escaped.
pattern_string = self.time_re.pattern("\d+")
self.failUnless(r"\\d\+" in pattern_string,
"%s does not have re characters escaped properly" %
pattern_string)
def test_compile(self):
# Check that compiled regex is correct
found = self.time_re.compile(r"%A").match(self.locale_time.f_weekday[6])
self.failUnless(found and found.group('A') == self.locale_time.f_weekday[6],
"re object for '%A' failed")
compiled = self.time_re.compile(r"%a %b")
found = compiled.match("%s %s" % (self.locale_time.a_weekday[4],
self.locale_time.a_month[4]))
self.failUnless(found,
"Match failed with '%s' regex and '%s' string" %
(compiled.pattern, "%s %s" % (self.locale_time.a_weekday[4],
self.locale_time.a_month[4])))
self.failUnless(found.group('a') == self.locale_time.a_weekday[4] and
found.group('b') == self.locale_time.a_month[4],
"re object couldn't find the abbreviated weekday month in "
"'%s' using '%s'; group 'a' = '%s', group 'b' = %s'" %
(found.string, found.re.pattern, found.group('a'),
found.group('b')))
for directive in ('a','A','b','B','c','d','H','I','j','m','M','p','S',
'U','w','W','x','X','y','Y','Z','%'):
compiled = self.time_re.compile("%" + directive)
found = compiled.match(time.strftime("%" + directive))
self.failUnless(found, "Matching failed on '%s' using '%s' regex" %
(time.strftime("%" + directive),
compiled.pattern))
def test_blankpattern(self):
# Make sure when tuple or something has no values no regex is generated.
# Fixes bug #661354
test_locale = _strptime.LocaleTime()
test_locale.timezone = (frozenset(), frozenset())
self.failUnless(_strptime.TimeRE(test_locale).pattern("%Z") == '',
"with timezone == ('',''), TimeRE().pattern('%Z') != ''")
def test_matching_with_escapes(self):
# Make sure a format that requires escaping of characters works
compiled_re = self.time_re.compile("\w+ %m")
found = compiled_re.match("\w+ 10")
self.failUnless(found, "Escaping failed of format '\w+ 10'")
def test_locale_data_w_regex_metacharacters(self):
# Check that if locale data contains regex metacharacters they are
# escaped properly.
# Discovered by bug #1039270 .
locale_time = _strptime.LocaleTime()
locale_time.timezone = (frozenset(("utc", "gmt",
"Tokyo (standard time)")),
frozenset("Tokyo (daylight time)"))
time_re = _strptime.TimeRE(locale_time)
self.failUnless(time_re.compile("%Z").match("Tokyo (standard time)"),
"locale data that contains regex metacharacters is not"
" properly escaped")
def test_whitespace_substitution(self):
# When pattern contains whitespace, make sure it is taken into account
# so as to not allow to subpatterns to end up next to each other and
# "steal" characters from each other.
pattern = self.time_re.pattern('%j %H')
self.failUnless(not re.match(pattern, "180"))
self.failUnless(re.match(pattern, "18 0"))
class StrptimeTests(unittest.TestCase):
"""Tests for _strptime.strptime."""
def setUp(self):
"""Create testing time tuple."""
self.time_tuple = time.gmtime()
def test_ValueError(self):
# Make sure ValueError is raised when match fails or format is bad
self.assertRaises(ValueError, _strptime.strptime, data_string="%d",
format="%A")
for bad_format in ("%", "% ", "%e"):
try:
_strptime.strptime("2005", bad_format)
except ValueError:
continue
except Exception, err:
self.fail("'%s' raised %s, not ValueError" %
(bad_format, err.__class__.__name__))
else:
self.fail("'%s' did not raise ValueError" % bad_format)
def test_unconverteddata(self):
# Check ValueError is raised when there is unconverted data
self.assertRaises(ValueError, _strptime.strptime, "10 12", "%m")
def helper(self, directive, position):
"""Helper fxn in testing."""
strf_output = time.strftime("%" + directive, self.time_tuple)
strp_output = _strptime.strptime(strf_output, "%" + directive)
self.failUnless(strp_output[position] == self.time_tuple[position],
"testing of '%s' directive failed; '%s' -> %s != %s" %
(directive, strf_output, strp_output[position],
self.time_tuple[position]))
def test_year(self):
# Test that the year is handled properly
for directive in ('y', 'Y'):
self.helper(directive, 0)
# Must also make sure %y values are correct for bounds set by Open Group
for century, bounds in ((1900, ('69', '99')), (2000, ('00', '68'))):
for bound in bounds:
strp_output = _strptime.strptime(bound, '%y')
expected_result = century + int(bound)
self.failUnless(strp_output[0] == expected_result,
"'y' test failed; passed in '%s' "
"and returned '%s'" % (bound, strp_output[0]))
def test_month(self):
# Test for month directives
for directive in ('B', 'b', 'm'):
self.helper(directive, 1)
def test_day(self):
# Test for day directives
self.helper('d', 2)
def test_hour(self):
# Test hour directives
self.helper('H', 3)
strf_output = time.strftime("%I %p", self.time_tuple)
strp_output = _strptime.strptime(strf_output, "%I %p")
self.failUnless(strp_output[3] == self.time_tuple[3],
"testing of '%%I %%p' directive failed; '%s' -> %s != %s" %
(strf_output, strp_output[3], self.time_tuple[3]))
def test_minute(self):
# Test minute directives
self.helper('M', 4)
def test_second(self):
# Test second directives
self.helper('S', 5)
def test_weekday(self):
# Test weekday directives
for directive in ('A', 'a', 'w'):
self.helper(directive,6)
def test_julian(self):
# Test julian directives
self.helper('j', 7)
def test_timezone(self):
# Test timezone directives.
# When gmtime() is used with %Z, entire result of strftime() is empty.
# Check for equal timezone names deals with bad locale info when this
# occurs; first found in FreeBSD 4.4.
strp_output = _strptime.strptime("UTC", "%Z")
self.failUnlessEqual(strp_output.tm_isdst, 0)
strp_output = _strptime.strptime("GMT", "%Z")
self.failUnlessEqual(strp_output.tm_isdst, 0)
if sys.platform == "mac":
# Timezones don't really work on MacOS9
return
time_tuple = time.localtime()
strf_output = time.strftime("%Z") #UTC does not have a timezone
strp_output = _strptime.strptime(strf_output, "%Z")
locale_time = _strptime.LocaleTime()
if time.tzname[0] != time.tzname[1] or not time.daylight:
self.failUnless(strp_output[8] == time_tuple[8],
"timezone check failed; '%s' -> %s != %s" %
(strf_output, strp_output[8], time_tuple[8]))
else:
self.failUnless(strp_output[8] == -1,
"LocaleTime().timezone has duplicate values and "
"time.daylight but timezone value not set to -1")
def test_bad_timezone(self):
# Explicitly test possibility of bad timezone;
# when time.tzname[0] == time.tzname[1] and time.daylight
if sys.platform == "mac":
return #MacOS9 has severely broken timezone support.
tz_name = time.tzname[0]
if tz_name.upper() in ("UTC", "GMT"):
return
try:
original_tzname = time.tzname
original_daylight = time.daylight
time.tzname = (tz_name, tz_name)
time.daylight = 1
tz_value = _strptime.strptime(tz_name, "%Z")[8]
self.failUnlessEqual(tz_value, -1,
"%s lead to a timezone value of %s instead of -1 when "
"time.daylight set to %s and passing in %s" %
(time.tzname, tz_value, time.daylight, tz_name))
finally:
time.tzname = original_tzname
time.daylight = original_daylight
def test_date_time(self):
# Test %c directive
for position in range(6):
self.helper('c', position)
def test_date(self):
# Test %x directive
for position in range(0,3):
self.helper('x', position)
def test_time(self):
# Test %X directive
for position in range(3,6):
self.helper('X', position)
def test_percent(self):
# Make sure % signs are handled properly
strf_output = time.strftime("%m %% %Y", self.time_tuple)
strp_output = _strptime.strptime(strf_output, "%m %% %Y")
self.failUnless(strp_output[0] == self.time_tuple[0] and
strp_output[1] == self.time_tuple[1],
"handling of percent sign failed")
def test_caseinsensitive(self):
# Should handle names case-insensitively.
strf_output = time.strftime("%B", self.time_tuple)
self.failUnless(_strptime.strptime(strf_output.upper(), "%B"),
"strptime does not handle ALL-CAPS names properly")
self.failUnless(_strptime.strptime(strf_output.lower(), "%B"),
"strptime does not handle lowercase names properly")
self.failUnless(_strptime.strptime(strf_output.capitalize(), "%B"),
"strptime does not handle capword names properly")
def test_defaults(self):
# Default return value should be (1900, 1, 1, 0, 0, 0, 0, 1, 0)
defaults = (1900, 1, 1, 0, 0, 0, 0, 1, -1)
strp_output = _strptime.strptime('1', '%m')
self.failUnless(strp_output == defaults,
"Default values for strptime() are incorrect;"
" %s != %s" % (strp_output, defaults))
def test_escaping(self):
# Make sure all characters that have regex significance are escaped.
# Parentheses are in a purposeful order; will cause an error of
# unbalanced parentheses when the regex is compiled if they are not
# escaped.
# Test instigated by bug #796149 .
need_escaping = ".^$*+?{}\[]|)("
self.failUnless(_strptime.strptime(need_escaping, need_escaping))
class Strptime12AMPMTests(unittest.TestCase):
"""Test a _strptime regression in '%I %p' at 12 noon (12 PM)"""
def test_twelve_noon_midnight(self):
eq = self.assertEqual
eq(time.strptime('12 PM', '%I %p')[3], 12)
eq(time.strptime('12 AM', '%I %p')[3], 0)
eq(_strptime.strptime('12 PM', '%I %p')[3], 12)
eq(_strptime.strptime('12 AM', '%I %p')[3], 0)
class JulianTests(unittest.TestCase):
"""Test a _strptime regression that all julian (1-366) are accepted"""
def test_all_julian_days(self):
eq = self.assertEqual
for i in range(1, 367):
# use 2004, since it is a leap year, we have 366 days
eq(_strptime.strptime('%d 2004' % i, '%j %Y')[7], i)
class CalculationTests(unittest.TestCase):
"""Test that strptime() fills in missing info correctly"""
def setUp(self):
self.time_tuple = time.gmtime()
def test_julian_calculation(self):
# Make sure that when Julian is missing that it is calculated
format_string = "%Y %m %d %H %M %S %w %Z"
result = _strptime.strptime(time.strftime(format_string, self.time_tuple),
format_string)
self.failUnless(result.tm_yday == self.time_tuple.tm_yday,
"Calculation of tm_yday failed; %s != %s" %
(result.tm_yday, self.time_tuple.tm_yday))
def test_gregorian_calculation(self):
# Test that Gregorian date can be calculated from Julian day
format_string = "%Y %H %M %S %w %j %Z"
result = _strptime.strptime(time.strftime(format_string, self.time_tuple),
format_string)
self.failUnless(result.tm_year == self.time_tuple.tm_year and
result.tm_mon == self.time_tuple.tm_mon and
result.tm_mday == self.time_tuple.tm_mday,
"Calculation of Gregorian date failed;"
"%s-%s-%s != %s-%s-%s" %
(result.tm_year, result.tm_mon, result.tm_mday,
self.time_tuple.tm_year, self.time_tuple.tm_mon,
self.time_tuple.tm_mday))
def test_day_of_week_calculation(self):
# Test that the day of the week is calculated as needed
format_string = "%Y %m %d %H %S %j %Z"
result = _strptime.strptime(time.strftime(format_string, self.time_tuple),
format_string)
self.failUnless(result.tm_wday == self.time_tuple.tm_wday,
"Calculation of day of the week failed;"
"%s != %s" % (result.tm_wday, self.time_tuple.tm_wday))
def test_week_of_year_and_day_of_week_calculation(self):
# Should be able to infer date if given year, week of year (%U or %W)
# and day of the week
def test_helper(ymd_tuple, test_reason):
for directive in ('W', 'U'):
format_string = "%%Y %%%s %%w" % directive
dt_date = datetime_date(*ymd_tuple)
strp_input = dt_date.strftime(format_string)
strp_output = _strptime.strptime(strp_input, format_string)
self.failUnless(strp_output[:3] == ymd_tuple,
"%s(%s) test failed w/ '%s': %s != %s (%s != %s)" %
(test_reason, directive, strp_input,
strp_output[:3], ymd_tuple,
strp_output[7], dt_date.timetuple()[7]))
test_helper((1901, 1, 3), "week 0")
test_helper((1901, 1, 8), "common case")
test_helper((1901, 1, 13), "day on Sunday")
test_helper((1901, 1, 14), "day on Monday")
test_helper((1905, 1, 1), "Jan 1 on Sunday")
test_helper((1906, 1, 1), "Jan 1 on Monday")
test_helper((1906, 1, 7), "first Sunday in a year starting on Monday")
test_helper((1905, 12, 31), "Dec 31 on Sunday")
test_helper((1906, 12, 31), "Dec 31 on Monday")
test_helper((2008, 12, 29), "Monday in the last week of the year")
test_helper((2008, 12, 22), "Monday in the second-to-last week of the "
"year")
test_helper((1978, 10, 23), "randomly chosen date")
test_helper((2004, 12, 18), "randomly chosen date")
test_helper((1978, 10, 23), "year starting and ending on Monday while "
"date not on Sunday or Monday")
test_helper((1917, 12, 17), "year starting and ending on Monday with "
"a Monday not at the beginning or end "
"of the year")
test_helper((1917, 12, 31), "Dec 31 on Monday with year starting and "
"ending on Monday")
test_helper((2007, 01, 07), "First Sunday of 2007")
test_helper((2007, 01, 14), "Second Sunday of 2007")
test_helper((2006, 12, 31), "Last Sunday of 2006")
test_helper((2006, 12, 24), "Second to last Sunday of 2006")
class CacheTests(unittest.TestCase):
"""Test that caching works properly."""
def test_time_re_recreation(self):
# Make sure cache is recreated when current locale does not match what
# cached object was created with.
_strptime.strptime("10", "%d")
_strptime.strptime("2005", "%Y")
_strptime._TimeRE_cache.locale_time.lang = "Ni"
original_time_re = id(_strptime._TimeRE_cache)
_strptime.strptime("10", "%d")
self.failIfEqual(original_time_re, id(_strptime._TimeRE_cache))
self.failUnlessEqual(len(_strptime._regex_cache), 1)
def test_regex_cleanup(self):
# Make sure cached regexes are discarded when cache becomes "full".
try:
del _strptime._regex_cache['%d']
except KeyError:
pass
bogus_key = 0
while len(_strptime._regex_cache) <= _strptime._CACHE_MAX_SIZE:
_strptime._regex_cache[bogus_key] = None
bogus_key += 1
_strptime.strptime("10", "%d")
self.failUnlessEqual(len(_strptime._regex_cache), 1)
def test_new_localetime(self):
# A new LocaleTime instance should be created when a new TimeRE object
# is created.
locale_time_id = id(_strptime._TimeRE_cache.locale_time)
_strptime._TimeRE_cache.locale_time.lang = "Ni"
_strptime.strptime("10", "%d")
self.failIfEqual(locale_time_id,
id(_strptime._TimeRE_cache.locale_time))
def test_TimeRE_recreation(self):
# The TimeRE instance should be recreated upon changing the locale.
locale_info = locale.getlocale(locale.LC_TIME)
try:
locale.setlocale(locale.LC_TIME, ('en_US', 'UTF8'))
except locale.Error:
return
try:
_strptime.strptime('10', '%d')
# Get id of current cache object.
first_time_re_id = id(_strptime._TimeRE_cache)
try:
# Change the locale and force a recreation of the cache.
locale.setlocale(locale.LC_TIME, ('de_DE', 'UTF8'))
_strptime.strptime('10', '%d')
# Get the new cache object's id.
second_time_re_id = id(_strptime._TimeRE_cache)
# They should not be equal.
self.failIfEqual(first_time_re_id, second_time_re_id)
# Possible test locale is not supported while initial locale is.
# If this is the case just suppress the exception and fall-through
# to the reseting to the original locale.
except locale.Error:
pass
# Make sure we don't trample on the locale setting once we leave the
# test.
finally:
locale.setlocale(locale.LC_TIME, locale_info)
def test_main():
test_support.run_unittest(
getlang_Tests,
LocaleTime_Tests,
TimeRETests,
StrptimeTests,
Strptime12AMPMTests,
JulianTests,
CalculationTests,
CacheTests
)
if __name__ == '__main__':
test_main()