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"""PyUnit testing against strptime"""
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from test import support
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from datetime import date as datetime_date
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class getlang_Tests(unittest.TestCase):
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self.failUnlessEqual(_strptime._getlang(), locale.getlocale(locale.LC_TIME))
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class LocaleTime_Tests(unittest.TestCase):
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"""Tests for _strptime.LocaleTime.
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All values are lower-cased when stored in LocaleTime, so make sure to
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compare values after running ``lower`` on them.
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"""Create time tuple based on current time."""
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self.time_tuple = time.localtime()
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self.LT_ins = _strptime.LocaleTime()
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def compare_against_time(self, testing, directive, tuple_position,
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"""Helper method that tests testing against directive based on the
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tuple_position of time_tuple. Uses error_msg as error message.
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strftime_output = time.strftime(directive, self.time_tuple).lower()
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comparison = testing[self.time_tuple[tuple_position]]
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self.failUnless(strftime_output in testing, "%s: not found in tuple" %
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self.failUnless(comparison == strftime_output,
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"%s: position within tuple incorrect; %s != %s" %
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(error_msg, comparison, strftime_output))
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def test_weekday(self):
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# Make sure that full and abbreviated weekday names are correct in
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# both string and position with tuple
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self.compare_against_time(self.LT_ins.f_weekday, '%A', 6,
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"Testing of full weekday name failed")
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self.compare_against_time(self.LT_ins.a_weekday, '%a', 6,
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"Testing of abbreviated weekday name failed")
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# Test full and abbreviated month names; both string and position
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self.compare_against_time(self.LT_ins.f_month, '%B', 1,
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"Testing against full month name failed")
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self.compare_against_time(self.LT_ins.a_month, '%b', 1,
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"Testing against abbreviated month name failed")
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# Make sure AM/PM representation done properly
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strftime_output = time.strftime("%p", self.time_tuple).lower()
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self.failUnless(strftime_output in self.LT_ins.am_pm,
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"AM/PM representation not in tuple")
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if self.time_tuple[3] < 12: position = 0
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self.failUnless(strftime_output == self.LT_ins.am_pm[position],
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"AM/PM representation in the wrong position within the tuple")
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def test_timezone(self):
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# Make sure timezone is correct
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timezone = time.strftime("%Z", self.time_tuple).lower()
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self.failUnless(timezone in self.LT_ins.timezone[0] or \
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timezone in self.LT_ins.timezone[1],
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"timezone %s not found in %s" %
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(timezone, self.LT_ins.timezone))
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def test_date_time(self):
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# Check that LC_date_time, LC_date, and LC_time are correct
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# the magic date is used so as to not have issues with %c when day of
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# the month is a single digit and has a leading space. This is not an
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# issue since strptime still parses it correctly. The problem is
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# testing these directives for correctness by comparing strftime
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magic_date = (1999, 3, 17, 22, 44, 55, 2, 76, 0)
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strftime_output = time.strftime("%c", magic_date)
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self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_date_time,
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"LC_date_time incorrect")
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strftime_output = time.strftime("%x", magic_date)
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self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_date,
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strftime_output = time.strftime("%X", magic_date)
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self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_time,
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LT = _strptime.LocaleTime()
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self.failUnless(LT.LC_time, "LocaleTime's LC directives cannot handle "
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# Make sure lang is set to what _getlang() returns
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# Assuming locale has not changed between now and when self.LT_ins was created
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self.failUnlessEqual(self.LT_ins.lang, _strptime._getlang())
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class TimeRETests(unittest.TestCase):
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"""Tests for TimeRE."""
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"""Construct generic TimeRE object."""
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self.time_re = _strptime.TimeRE()
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self.locale_time = _strptime.LocaleTime()
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def test_pattern(self):
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# Test TimeRE.pattern
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pattern_string = self.time_re.pattern(r"%a %A %d")
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self.failUnless(pattern_string.find(self.locale_time.a_weekday[2]) != -1,
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"did not find abbreviated weekday in pattern string '%s'" %
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self.failUnless(pattern_string.find(self.locale_time.f_weekday[4]) != -1,
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"did not find full weekday in pattern string '%s'" %
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self.failUnless(pattern_string.find(self.time_re['d']) != -1,
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"did not find 'd' directive pattern string '%s'" %
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def test_pattern_escaping(self):
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# Make sure any characters in the format string that might be taken as
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# regex syntax is escaped.
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pattern_string = self.time_re.pattern("\d+")
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self.failUnless(r"\\d\+" in pattern_string,
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"%s does not have re characters escaped properly" %
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def test_compile(self):
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# Check that compiled regex is correct
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found = self.time_re.compile(r"%A").match(self.locale_time.f_weekday[6])
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self.failUnless(found and found.group('A') == self.locale_time.f_weekday[6],
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"re object for '%A' failed")
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compiled = self.time_re.compile(r"%a %b")
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found = compiled.match("%s %s" % (self.locale_time.a_weekday[4],
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self.locale_time.a_month[4]))
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self.failUnless(found,
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"Match failed with '%s' regex and '%s' string" %
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(compiled.pattern, "%s %s" % (self.locale_time.a_weekday[4],
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self.locale_time.a_month[4])))
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self.failUnless(found.group('a') == self.locale_time.a_weekday[4] and
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found.group('b') == self.locale_time.a_month[4],
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"re object couldn't find the abbreviated weekday month in "
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"'%s' using '%s'; group 'a' = '%s', group 'b' = %s'" %
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(found.string, found.re.pattern, found.group('a'),
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for directive in ('a','A','b','B','c','d','H','I','j','m','M','p','S',
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'U','w','W','x','X','y','Y','Z','%'):
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compiled = self.time_re.compile("%" + directive)
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found = compiled.match(time.strftime("%" + directive))
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self.failUnless(found, "Matching failed on '%s' using '%s' regex" %
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(time.strftime("%" + directive),
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def test_blankpattern(self):
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# Make sure when tuple or something has no values no regex is generated.
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test_locale = _strptime.LocaleTime()
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test_locale.timezone = (frozenset(), frozenset())
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self.failUnless(_strptime.TimeRE(test_locale).pattern("%Z") == '',
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"with timezone == ('',''), TimeRE().pattern('%Z') != ''")
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def test_matching_with_escapes(self):
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# Make sure a format that requires escaping of characters works
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compiled_re = self.time_re.compile("\w+ %m")
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found = compiled_re.match("\w+ 10")
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self.failUnless(found, "Escaping failed of format '\w+ 10'")
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def test_locale_data_w_regex_metacharacters(self):
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# Check that if locale data contains regex metacharacters they are
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# Discovered by bug #1039270 .
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locale_time = _strptime.LocaleTime()
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locale_time.timezone = (frozenset(("utc", "gmt",
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"Tokyo (standard time)")),
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frozenset("Tokyo (daylight time)"))
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time_re = _strptime.TimeRE(locale_time)
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self.failUnless(time_re.compile("%Z").match("Tokyo (standard time)"),
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"locale data that contains regex metacharacters is not"
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def test_whitespace_substitution(self):
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# When pattern contains whitespace, make sure it is taken into account
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# so as to not allow to subpatterns to end up next to each other and
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# "steal" characters from each other.
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pattern = self.time_re.pattern('%j %H')
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self.failUnless(not re.match(pattern, "180"))
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self.failUnless(re.match(pattern, "18 0"))
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class StrptimeTests(unittest.TestCase):
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"""Tests for _strptime.strptime."""
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"""Create testing time tuple."""
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self.time_tuple = time.gmtime()
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def test_ValueError(self):
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# Make sure ValueError is raised when match fails or format is bad
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self.assertRaises(ValueError, _strptime._strptime_time, data_string="%d",
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for bad_format in ("%", "% ", "%e"):
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_strptime._strptime_time("2005", bad_format)
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except Exception as err:
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self.fail("'%s' raised %s, not ValueError" %
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(bad_format, err.__class__.__name__))
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self.fail("'%s' did not raise ValueError" % bad_format)
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def test_unconverteddata(self):
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# Check ValueError is raised when there is unconverted data
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self.assertRaises(ValueError, _strptime._strptime_time, "10 12", "%m")
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def helper(self, directive, position):
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"""Helper fxn in testing."""
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strf_output = time.strftime("%" + directive, self.time_tuple)
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strp_output = _strptime._strptime_time(strf_output, "%" + directive)
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self.failUnless(strp_output[position] == self.time_tuple[position],
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"testing of '%s' directive failed; '%s' -> %s != %s" %
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(directive, strf_output, strp_output[position],
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self.time_tuple[position]))
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# Test that the year is handled properly
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for directive in ('y', 'Y'):
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self.helper(directive, 0)
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# Must also make sure %y values are correct for bounds set by Open Group
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for century, bounds in ((1900, ('69', '99')), (2000, ('00', '68'))):
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strp_output = _strptime._strptime_time(bound, '%y')
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expected_result = century + int(bound)
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self.failUnless(strp_output[0] == expected_result,
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"'y' test failed; passed in '%s' "
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"and returned '%s'" % (bound, strp_output[0]))
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def test_month(self):
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# Test for month directives
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for directive in ('B', 'b', 'm'):
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self.helper(directive, 1)
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# Test for day directives
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# Test hour directives
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strf_output = time.strftime("%I %p", self.time_tuple)
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strp_output = _strptime._strptime_time(strf_output, "%I %p")
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self.failUnless(strp_output[3] == self.time_tuple[3],
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"testing of '%%I %%p' directive failed; '%s' -> %s != %s" %
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(strf_output, strp_output[3], self.time_tuple[3]))
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def test_minute(self):
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# Test minute directives
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def test_second(self):
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# Test second directives
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def test_fraction(self):
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now = datetime.datetime.now()
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tup, frac = _strptime._strptime(str(now), format="%Y-%m-%d %H:%M:%S.%f")
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self.assertEqual(frac, now.microsecond)
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def test_weekday(self):
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# Test weekday directives
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for directive in ('A', 'a', 'w'):
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self.helper(directive,6)
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def test_julian(self):
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# Test julian directives
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def test_timezone(self):
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# Test timezone directives.
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# When gmtime() is used with %Z, entire result of strftime() is empty.
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# Check for equal timezone names deals with bad locale info when this
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# occurs; first found in FreeBSD 4.4.
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strp_output = _strptime._strptime_time("UTC", "%Z")
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self.failUnlessEqual(strp_output.tm_isdst, 0)
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strp_output = _strptime._strptime_time("GMT", "%Z")
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self.failUnlessEqual(strp_output.tm_isdst, 0)
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if sys.platform == "mac":
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# Timezones don't really work on MacOS9
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time_tuple = time.localtime()
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strf_output = time.strftime("%Z") #UTC does not have a timezone
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strp_output = _strptime._strptime_time(strf_output, "%Z")
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locale_time = _strptime.LocaleTime()
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if time.tzname[0] != time.tzname[1] or not time.daylight:
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self.failUnless(strp_output[8] == time_tuple[8],
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"timezone check failed; '%s' -> %s != %s" %
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(strf_output, strp_output[8], time_tuple[8]))
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self.failUnless(strp_output[8] == -1,
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"LocaleTime().timezone has duplicate values and "
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"time.daylight but timezone value not set to -1")
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def test_bad_timezone(self):
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# Explicitly test possibility of bad timezone;
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# when time.tzname[0] == time.tzname[1] and time.daylight
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if sys.platform == "mac":
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return #MacOS9 has severely broken timezone support.
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tz_name = time.tzname[0]
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if tz_name.upper() in ("UTC", "GMT"):
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original_tzname = time.tzname
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original_daylight = time.daylight
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time.tzname = (tz_name, tz_name)
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tz_value = _strptime._strptime_time(tz_name, "%Z")[8]
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self.failUnlessEqual(tz_value, -1,
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"%s lead to a timezone value of %s instead of -1 when "
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"time.daylight set to %s and passing in %s" %
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(time.tzname, tz_value, time.daylight, tz_name))
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time.tzname = original_tzname
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time.daylight = original_daylight
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def test_date_time(self):
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for position in range(6):
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self.helper('c', position)
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for position in range(0,3):
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self.helper('x', position)
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for position in range(3,6):
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self.helper('X', position)
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def test_percent(self):
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# Make sure % signs are handled properly
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strf_output = time.strftime("%m %% %Y", self.time_tuple)
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strp_output = _strptime._strptime_time(strf_output, "%m %% %Y")
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self.failUnless(strp_output[0] == self.time_tuple[0] and
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strp_output[1] == self.time_tuple[1],
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"handling of percent sign failed")
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def test_caseinsensitive(self):
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# Should handle names case-insensitively.
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strf_output = time.strftime("%B", self.time_tuple)
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self.failUnless(_strptime._strptime_time(strf_output.upper(), "%B"),
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"strptime does not handle ALL-CAPS names properly")
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self.failUnless(_strptime._strptime_time(strf_output.lower(), "%B"),
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"strptime does not handle lowercase names properly")
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self.failUnless(_strptime._strptime_time(strf_output.capitalize(), "%B"),
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"strptime does not handle capword names properly")
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def test_defaults(self):
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# Default return value should be (1900, 1, 1, 0, 0, 0, 0, 1, 0)
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defaults = (1900, 1, 1, 0, 0, 0, 0, 1, -1)
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strp_output = _strptime._strptime_time('1', '%m')
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self.failUnless(strp_output == defaults,
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"Default values for strptime() are incorrect;"
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" %s != %s" % (strp_output, defaults))
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def test_escaping(self):
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# Make sure all characters that have regex significance are escaped.
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# Parentheses are in a purposeful order; will cause an error of
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# unbalanced parentheses when the regex is compiled if they are not
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# Test instigated by bug #796149 .
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need_escaping = ".^$*+?{}\[]|)("
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self.failUnless(_strptime._strptime_time(need_escaping, need_escaping))
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class Strptime12AMPMTests(unittest.TestCase):
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"""Test a _strptime regression in '%I %p' at 12 noon (12 PM)"""
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def test_twelve_noon_midnight(self):
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eq = self.assertEqual
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eq(time.strptime('12 PM', '%I %p')[3], 12)
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eq(time.strptime('12 AM', '%I %p')[3], 0)
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eq(_strptime._strptime_time('12 PM', '%I %p')[3], 12)
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eq(_strptime._strptime_time('12 AM', '%I %p')[3], 0)
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class JulianTests(unittest.TestCase):
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"""Test a _strptime regression that all julian (1-366) are accepted"""
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def test_all_julian_days(self):
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eq = self.assertEqual
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for i in range(1, 367):
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# use 2004, since it is a leap year, we have 366 days
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eq(_strptime._strptime_time('%d 2004' % i, '%j %Y')[7], i)
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class CalculationTests(unittest.TestCase):
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"""Test that strptime() fills in missing info correctly"""
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self.time_tuple = time.gmtime()
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def test_julian_calculation(self):
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# Make sure that when Julian is missing that it is calculated
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format_string = "%Y %m %d %H %M %S %w %Z"
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result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
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self.failUnless(result.tm_yday == self.time_tuple.tm_yday,
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"Calculation of tm_yday failed; %s != %s" %
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(result.tm_yday, self.time_tuple.tm_yday))
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def test_gregorian_calculation(self):
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# Test that Gregorian date can be calculated from Julian day
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format_string = "%Y %H %M %S %w %j %Z"
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result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
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self.failUnless(result.tm_year == self.time_tuple.tm_year and
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result.tm_mon == self.time_tuple.tm_mon and
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result.tm_mday == self.time_tuple.tm_mday,
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"Calculation of Gregorian date failed;"
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"%s-%s-%s != %s-%s-%s" %
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(result.tm_year, result.tm_mon, result.tm_mday,
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self.time_tuple.tm_year, self.time_tuple.tm_mon,
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self.time_tuple.tm_mday))
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def test_day_of_week_calculation(self):
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# Test that the day of the week is calculated as needed
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format_string = "%Y %m %d %H %S %j %Z"
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result = _strptime._strptime_time(time.strftime(format_string, self.time_tuple),
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self.failUnless(result.tm_wday == self.time_tuple.tm_wday,
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"Calculation of day of the week failed;"
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"%s != %s" % (result.tm_wday, self.time_tuple.tm_wday))
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def test_week_of_year_and_day_of_week_calculation(self):
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# Should be able to infer date if given year, week of year (%U or %W)
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# and day of the week
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def test_helper(ymd_tuple, test_reason):
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for directive in ('W', 'U'):
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format_string = "%%Y %%%s %%w" % directive
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dt_date = datetime_date(*ymd_tuple)
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strp_input = dt_date.strftime(format_string)
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strp_output = _strptime._strptime_time(strp_input, format_string)
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self.failUnless(strp_output[:3] == ymd_tuple,
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"%s(%s) test failed w/ '%s': %s != %s (%s != %s)" %
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(test_reason, directive, strp_input,
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strp_output[:3], ymd_tuple,
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strp_output[7], dt_date.timetuple()[7]))
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test_helper((1901, 1, 3), "week 0")
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test_helper((1901, 1, 8), "common case")
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test_helper((1901, 1, 13), "day on Sunday")
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test_helper((1901, 1, 14), "day on Monday")
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test_helper((1905, 1, 1), "Jan 1 on Sunday")
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test_helper((1906, 1, 1), "Jan 1 on Monday")
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test_helper((1906, 1, 7), "first Sunday in a year starting on Monday")
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test_helper((1905, 12, 31), "Dec 31 on Sunday")
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test_helper((1906, 12, 31), "Dec 31 on Monday")
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test_helper((2008, 12, 29), "Monday in the last week of the year")
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test_helper((2008, 12, 22), "Monday in the second-to-last week of the "
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test_helper((1978, 10, 23), "randomly chosen date")
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test_helper((2004, 12, 18), "randomly chosen date")
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test_helper((1978, 10, 23), "year starting and ending on Monday while "
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"date not on Sunday or Monday")
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test_helper((1917, 12, 17), "year starting and ending on Monday with "
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"a Monday not at the beginning or end "
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test_helper((1917, 12, 31), "Dec 31 on Monday with year starting and "
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test_helper((2007, 1, 7), "First Sunday of 2007")
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test_helper((2007, 1, 14), "Second Sunday of 2007")
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test_helper((2006, 12, 31), "Last Sunday of 2006")
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test_helper((2006, 12, 24), "Second to last Sunday of 2006")
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class CacheTests(unittest.TestCase):
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"""Test that caching works properly."""
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def test_time_re_recreation(self):
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# Make sure cache is recreated when current locale does not match what
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# cached object was created with.
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_strptime._strptime_time("10", "%d")
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_strptime._strptime_time("2005", "%Y")
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_strptime._TimeRE_cache.locale_time.lang = "Ni"
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original_time_re = id(_strptime._TimeRE_cache)
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_strptime._strptime_time("10", "%d")
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self.failIfEqual(original_time_re, id(_strptime._TimeRE_cache))
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self.failUnlessEqual(len(_strptime._regex_cache), 1)
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def test_regex_cleanup(self):
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# Make sure cached regexes are discarded when cache becomes "full".
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del _strptime._regex_cache['%d']
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while len(_strptime._regex_cache) <= _strptime._CACHE_MAX_SIZE:
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_strptime._regex_cache[bogus_key] = None
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_strptime._strptime_time("10", "%d")
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self.failUnlessEqual(len(_strptime._regex_cache), 1)
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def test_new_localetime(self):
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# A new LocaleTime instance should be created when a new TimeRE object
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locale_time_id = id(_strptime._TimeRE_cache.locale_time)
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_strptime._TimeRE_cache.locale_time.lang = "Ni"
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_strptime._strptime_time("10", "%d")
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self.failIfEqual(locale_time_id,
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id(_strptime._TimeRE_cache.locale_time))
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def test_TimeRE_recreation(self):
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# The TimeRE instance should be recreated upon changing the locale.
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locale_info = locale.getlocale(locale.LC_TIME)
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locale.setlocale(locale.LC_TIME, ('en_US', 'UTF8'))
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_strptime._strptime_time('10', '%d')
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# Get id of current cache object.
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first_time_re_id = id(_strptime._TimeRE_cache)
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# Change the locale and force a recreation of the cache.
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locale.setlocale(locale.LC_TIME, ('de_DE', 'UTF8'))
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_strptime._strptime_time('10', '%d')
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# Get the new cache object's id.
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second_time_re_id = id(_strptime._TimeRE_cache)
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# They should not be equal.
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self.failIfEqual(first_time_re_id, second_time_re_id)
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# Possible test locale is not supported while initial locale is.
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# If this is the case just suppress the exception and fall-through
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# to the reseting to the original locale.
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# Make sure we don't trample on the locale setting once we leave the
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locale.setlocale(locale.LC_TIME, locale_info)
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support.run_unittest(
566
if __name__ == '__main__':
added
removed
Lib/test/test_strptime.py
