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
__version__ = (1,0,5)
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))
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])))
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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("%%%s"% directive)
found = compiled.match(time.strftime("%%%s" % directive))
self.failUnless(found, "Matching failed on '%s' using '%s' regex" % (time.strftime("%%%s" % directive), compiled.pattern))
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 test_returning_RE(self):
# Make sure that an re can be returned
strp_output = _strptime.strptime(False, "%Y")
self.failUnless(isinstance(strp_output, type(re.compile(''))), "re object not returned correctly")
self.failUnless(_strptime.strptime("1999", strp_output), "Use or re object failed")
bad_locale_time = _strptime.LocaleTime(lang="gibberish")
self.assertRaises(TypeError, _strptime.strptime, data_string='1999', format=strp_output, locale_time=bad_locale_time)
def helper(self, directive, position):
"""Helper fxn in testing."""
strf_output = time.strftime("%%%s" % directive, self.time_tuple)
strp_output = _strptime.strptime(strf_output, "%%%s" % 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)
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.
time_tuple = time.localtime()
strf_output = time.strftime("%Z") #UTC does not have a timezone
strp_output = _strptime.strptime(strf_output, "%Z")
self.failUnless(strp_output[8] == time_tuple[8], "timezone check failed; '%s' -> %s != %s" % (strf_output, strp_output[8], time_tuple[8]))
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")
class FxnTests(unittest.TestCase):
"""Test functions that fill in info by validating result and are triggered properly."""
def setUp(self):
"""Create an initial time tuple."""
self.time_tuple = time.gmtime()
def test_julianday_result(self):
# Test julianday
result = _strptime.julianday(self.time_tuple[0], self.time_tuple[1], self.time_tuple[2])
self.failUnless(result == self.time_tuple[7], "julianday failed; %s != %s" % (result, self.time_tuple[7]))
def test_julianday_trigger(self):
# Make sure julianday is called
strf_output = time.strftime("%Y-%m-%d", self.time_tuple)
strp_output = _strptime.strptime(strf_output, "%Y-%m-%d")
self.failUnless(strp_output[7] == self.time_tuple[7], "strptime did not trigger julianday(); %s != %s" % (strp_output[7], self.time_tuple[7]))
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def test_gregorian_result(self):
# Test gregorian
result = _strptime.gregorian(self.time_tuple[7], self.time_tuple[0])
comparison = [self.time_tuple[0], self.time_tuple[1], self.time_tuple[2]]
self.failUnless(result == comparison, "gregorian() failed; %s != %s" % (result, comparison))
def test_gregorian_trigger(self):
# Test that gregorian() is triggered
strf_output = time.strftime("%j %Y", self.time_tuple)
strp_output = _strptime.strptime(strf_output, "%j %Y")
self.failUnless(strp_output[1] == self.time_tuple[1] and strp_output[2] == self.time_tuple[2], "gregorian() not triggered; month -- %s != %s, day -- %s != %s" % (strp_output[1], self.time_tuple[1], strp_output[2], self.time_tuple[2]))
def test_dayofweek_result(self):
# Test dayofweek
result = _strptime.dayofweek(self.time_tuple[0], self.time_tuple[1], self.time_tuple[2])
comparison = self.time_tuple[6]
self.failUnless(result == comparison, "dayofweek() failed; %s != %s" % (result, comparison))
def test_dayofweek_trigger(self):
# Make sure dayofweek() gets triggered
strf_output = time.strftime("%Y-%m-%d", self.time_tuple)
strp_output = _strptime.strptime(strf_output, "%Y-%m-%d")
self.failUnless(strp_output[6] == self.time_tuple[6], "triggering of dayofweek() failed; %s != %s" % (strp_output[6], self.time_tuple[6]))
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)
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(FxnTests))
suite.addTest(unittest.makeSuite(Strptime12AMPMTests))
test_support.run_suite(suite)
if __name__ == '__main__':
test_main()