cpython/Lib/test/test_strptime.py

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"""PyUnit testing against strptime"""
import unittest
import time
import locale
import re
from test import test_support
import _strptime
class LocaleTime_Tests(unittest.TestCase):
"""Tests for _strptime.LocaleTime."""
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):
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"""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)
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))
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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)
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
if time.strftime("%Z", self.time_tuple):
self.compare_against_time(self.LT_ins.timezone, '%Z', 8,
"Testing against timezone failed")
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(am_pm=('',''))
self.failUnless(LT.LC_time, "LocaleTime's LC directives cannot handle "
"empty strings")
def test_lang(self):
# Make sure lang is set
self.failUnless(self.LT_ins.lang in (locale.getdefaultlocale()[0],
locale.getlocale(locale.LC_TIME),
''),
"Setting of lang failed")
def test_by_hand_input(self):
# Test passed-in initialization value checks
self.failUnless(_strptime.LocaleTime(f_weekday=range(7)),
"Argument size check for f_weekday failed")
self.assertRaises(TypeError, _strptime.LocaleTime, f_weekday=range(8))
self.assertRaises(TypeError, _strptime.LocaleTime, f_weekday=range(6))
self.failUnless(_strptime.LocaleTime(a_weekday=range(7)),
"Argument size check for a_weekday failed")
self.assertRaises(TypeError, _strptime.LocaleTime, a_weekday=range(8))
self.assertRaises(TypeError, _strptime.LocaleTime, a_weekday=range(6))
self.failUnless(_strptime.LocaleTime(f_month=range(12)),
"Argument size check for f_month failed")
self.assertRaises(TypeError, _strptime.LocaleTime, f_month=range(11))
self.assertRaises(TypeError, _strptime.LocaleTime, f_month=range(13))
self.failUnless(len(_strptime.LocaleTime(f_month=range(12)).f_month) == 13,
"dummy value for f_month not added")
self.failUnless(_strptime.LocaleTime(a_month=range(12)),
"Argument size check for a_month failed")
self.assertRaises(TypeError, _strptime.LocaleTime, a_month=range(11))
self.assertRaises(TypeError, _strptime.LocaleTime, a_month=range(13))
self.failUnless(len(_strptime.LocaleTime(a_month=range(12)).a_month) == 13,
"dummy value for a_month not added")
self.failUnless(_strptime.LocaleTime(am_pm=range(2)),
"Argument size check for am_pm failed")
self.assertRaises(TypeError, _strptime.LocaleTime, am_pm=range(1))
self.assertRaises(TypeError, _strptime.LocaleTime, am_pm=range(3))
self.failUnless(_strptime.LocaleTime(timezone=range(2)),
"Argument size check for timezone failed")
self.assertRaises(TypeError, _strptime.LocaleTime, timezone=range(1))
self.assertRaises(TypeError, _strptime.LocaleTime, timezone=range(3))
def test_unknowntimezone(self):
# Handle timezone set to ('','') properly.
# Fixes bug #661354
locale_time = _strptime.LocaleTime(timezone=('',''))
self.failUnless("%Z" not in locale_time.LC_date,
"when timezone == ('',''), string.replace('','%Z') is "
"occuring")
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_getitem(self):
# Make sure that __getitem__ works properly
self.failUnless(self.time_re['m'],
"Fetching 'm' directive (built-in) failed")
self.failUnless(self.time_re['b'],
"Fetching 'b' directive (built w/ __tupleToRE) failed")
for name in self.locale_time.a_month:
self.failUnless(self.time_re['b'].find(name) != -1,
"Not all abbreviated month names in regex")
self.failUnless(self.time_re['c'],
"Fetching 'c' directive (built w/ format) failed")
self.failUnless(self.time_re['c'].find('%') == -1,
"Conversion of 'c' directive failed; '%' found")
self.assertRaises(KeyError, self.time_re.__getitem__, '1')
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_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]))
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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(timezone=('',''))
self.failUnless(_strptime.TimeRE(test_locale).pattern("%Z") == '',
"with timezone == ('',''), TimeRE().pattern('%Z') != ''")
class StrptimeTests(unittest.TestCase):
"""Tests for _strptime.strptime."""
def setUp(self):
"""Create testing time tuple."""
self.time_tuple = time.gmtime()
def test_TypeError(self):
# Make sure ValueError is raised when match fails
self.assertRaises(ValueError, _strptime.strptime, data_string="%d",
format="%A")
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.
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 locale_time.timezone[0] != locale_time.timezone[1]:
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 but "
"timzone value not set to 0")
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))
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_main():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(LocaleTime_Tests))
suite.addTest(unittest.makeSuite(TimeRETests))
suite.addTest(unittest.makeSuite(StrptimeTests))
suite.addTest(unittest.makeSuite(Strptime12AMPMTests))
suite.addTest(unittest.makeSuite(JulianTests))
suite.addTest(unittest.makeSuite(CalculationTests))
test_support.run_suite(suite)
if __name__ == '__main__':
test_main()