Lib/test/test_strptime.py

   1 """PyUnit testing against strptime"""
   2
   3 import unittest
   4 import time
   5 import locale
   6 import re
   7 from test import test_support
   8
   9 import _strptime
  10
  11 __version__ = (1,0,5)
  12
  13 class LocaleTime_Tests(unittest.TestCase):
  14     """Tests for _strptime.LocaleTime."""
  15
  16     def setUp(self):
  17         """Create time tuple based on current time."""
  18         self.time_tuple = time.localtime()
  19         self.LT_ins = _strptime.LocaleTime()
  20
  21     def compare_against_time(self, testing, directive, tuple_position, error_msg):
  22         """Helper method that tests testing against directive based on the
  23         tuple_position of time_tuple.  Uses error_msg as error message.
  24
  25         """
  26         strftime_output = time.strftime(directive, self.time_tuple)
  27         comparison = testing[self.time_tuple[tuple_position]]
  28         self.failUnless(strftime_output in testing, "%s: not found in tuple" % error_msg)
  29         self.failUnless(comparison == strftime_output, "%s: position within tuple incorrect; %s != %s" % (error_msg, comparison, strftime_output))
  30
  31     def test_weekday(self):
  32         # Make sure that full and abbreviated weekday names are correct in
  33         # both string and position with tuple
  34         self.compare_against_time(self.LT_ins.f_weekday, '%A', 6, "Testing of full weekday name failed")
  35         self.compare_against_time(self.LT_ins.a_weekday, '%a', 6, "Testing of abbreviated weekday name failed")
  36
  37     def test_month(self):
  38         # Test full and abbreviated month names; both string and position
  39         # within the tuple
  40         self.compare_against_time(self.LT_ins.f_month, '%B', 1, "Testing against full month name failed")
  41         self.compare_against_time(self.LT_ins.a_month, '%b', 1, "Testing against abbreviated month name failed")
  42
  43     def test_am_pm(self):
  44         # Make sure AM/PM representation done properly
  45         strftime_output = time.strftime("%p", self.time_tuple)
  46         self.failUnless(strftime_output in self.LT_ins.am_pm, "AM/PM representation not in tuple")
  47         if self.time_tuple[3] < 12: position = 0
  48         else: position = 1
  49         self.failUnless(strftime_output == self.LT_ins.am_pm[position], "AM/PM representation in the wrong position within the tuple")
  50
  51     def test_timezone(self):
  52         # Make sure timezone is correct
  53         if time.strftime("%Z", self.time_tuple):
  54             self.compare_against_time(self.LT_ins.timezone, '%Z', 8, "Testing against timezone failed")
  55
  56     def test_date_time(self):
  57         # Check that LC_date_time, LC_date, and LC_time are correct
  58         # the magic date is used so as to not have issues with %c when day of
  59         #  the month is a single digit and has a leading space.  This is not an
  60         #  issue since strptime still parses it correctly.  The problem is
  61         #  testing these directives for correctness by comparing strftime
  62         #  output.
  63         magic_date = (1999, 3, 17, 22, 44, 55, 2, 76, 0)
  64         strftime_output = time.strftime("%c", magic_date)
  65         self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_date_time, magic_date), "LC_date_time incorrect")
  66         strftime_output = time.strftime("%x", magic_date)
  67         self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_date, magic_date), "LC_date incorrect")
  68         strftime_output = time.strftime("%X", magic_date)
  69         self.failUnless(strftime_output == time.strftime(self.LT_ins.LC_time, magic_date), "LC_time incorrect")
  70         LT = _strptime.LocaleTime(am_pm=('',''))
  71         self.failUnless(LT.LC_time, "LocaleTime's LC directives cannot handle "
  72                                     "empty strings")
  73
  74     def test_lang(self):
  75         # Make sure lang is set
  76         self.failUnless(self.LT_ins.lang in (locale.getdefaultlocale()[0], locale.getlocale(locale.LC_TIME)), "Setting of lang failed")
  77
  78     def test_by_hand_input(self):
  79         # Test passed-in initialization value checks
  80         self.failUnless(_strptime.LocaleTime(f_weekday=range(7)), "Argument size check for f_weekday failed")
  81         self.assertRaises(TypeError, _strptime.LocaleTime, f_weekday=range(8))
  82         self.assertRaises(TypeError, _strptime.LocaleTime, f_weekday=range(6))
  83         self.failUnless(_strptime.LocaleTime(a_weekday=range(7)), "Argument size check for a_weekday failed")
  84         self.assertRaises(TypeError, _strptime.LocaleTime, a_weekday=range(8))
  85         self.assertRaises(TypeError, _strptime.LocaleTime, a_weekday=range(6))
  86         self.failUnless(_strptime.LocaleTime(f_month=range(12)), "Argument size check for f_month failed")
  87         self.assertRaises(TypeError, _strptime.LocaleTime, f_month=range(11))
  88         self.assertRaises(TypeError, _strptime.LocaleTime, f_month=range(13))
  89         self.failUnless(len(_strptime.LocaleTime(f_month=range(12)).f_month) == 13, "dummy value for f_month not added")
  90         self.failUnless(_strptime.LocaleTime(a_month=range(12)), "Argument size check for a_month failed")
  91         self.assertRaises(TypeError, _strptime.LocaleTime, a_month=range(11))
  92         self.assertRaises(TypeError, _strptime.LocaleTime, a_month=range(13))
  93         self.failUnless(len(_strptime.LocaleTime(a_month=range(12)).a_month) == 13, "dummy value for a_month not added")
  94         self.failUnless(_strptime.LocaleTime(am_pm=range(2)), "Argument size check for am_pm failed")
  95         self.assertRaises(TypeError, _strptime.LocaleTime, am_pm=range(1))
  96         self.assertRaises(TypeError, _strptime.LocaleTime, am_pm=range(3))
  97         self.failUnless(_strptime.LocaleTime(timezone=range(2)), "Argument size check for timezone failed")
  98         self.assertRaises(TypeError, _strptime.LocaleTime, timezone=range(1))
  99         self.assertRaises(TypeError, _strptime.LocaleTime, timezone=range(3))
 100
 101 class TimeRETests(unittest.TestCase):
 102     """Tests for TimeRE."""
 103
 104     def setUp(self):
 105         """Construct generic TimeRE object."""
 106         self.time_re = _strptime.TimeRE()
 107         self.locale_time = _strptime.LocaleTime()
 108
 109     def test_getitem(self):
 110         # Make sure that __getitem__ works properly
 111         self.failUnless(self.time_re['m'], "Fetching 'm' directive (built-in) failed")
 112         self.failUnless(self.time_re['b'], "Fetching 'b' directive (built w/ __tupleToRE) failed")
 113         for name in self.locale_time.a_month:
 114             self.failUnless(self.time_re['b'].find(name) != -1, "Not all abbreviated month names in regex")
 115         self.failUnless(self.time_re['c'], "Fetching 'c' directive (built w/ format) failed")
 116         self.failUnless(self.time_re['c'].find('%') == -1, "Conversion of 'c' directive failed; '%' found")
 117         self.assertRaises(KeyError, self.time_re.__getitem__, '1')
 118
 119     def test_pattern(self):
 120         # Test TimeRE.pattern
 121         pattern_string = self.time_re.pattern(r"%a %A %d")
 122         self.failUnless(pattern_string.find(self.locale_time.a_weekday[2]) != -1, "did not find abbreviated weekday in pattern string '%s'" % pattern_string)
 123         self.failUnless(pattern_string.find(self.locale_time.f_weekday[4]) != -1, "did not find full weekday in pattern string '%s'" % pattern_string)
 124         self.failUnless(pattern_string.find(self.time_re['d']) != -1, "did not find 'd' directive pattern string '%s'" % pattern_string)
 125
 126     def test_compile(self):
 127         # Check that compiled regex is correct
 128         found = self.time_re.compile(r"%A").match(self.locale_time.f_weekday[6])
 129         self.failUnless(found and found.group('A') == self.locale_time.f_weekday[6], "re object for '%A' failed")
 130         compiled = self.time_re.compile(r"%a %b")
 131         found = compiled.match("%s %s" % (self.locale_time.a_weekday[4], self.locale_time.a_month[4]))
 132         self.failUnless(found,
 133             "Match failed with '%s' regex and '%s' string" % (compiled.pattern, "%s %s" % (self.locale_time.a_weekday[4], self.locale_time.a_month[4])))
 134         self.failUnless(found.group('a') == self.locale_time.a_weekday[4] and found.group('b') == self.locale_time.a_month[4],
 135             "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')))
 136         for directive in ('a','A','b','B','c','d','H','I','j','m','M','p','S','U','w','W','x','X','y','Y','Z','%'):
 137             compiled = self.time_re.compile("%%%s"% directive)
 138             found = compiled.match(time.strftime("%%%s" % directive))
 139             self.failUnless(found, "Matching failed on '%s' using '%s' regex" % (time.strftime("%%%s" % directive), compiled.pattern))
 140
 141 class StrptimeTests(unittest.TestCase):
 142     """Tests for _strptime.strptime."""
 143
 144     def setUp(self):
 145         """Create testing time tuple."""
 146         self.time_tuple = time.gmtime()
 147
 148     def test_TypeError(self):
 149         # Make sure ValueError is raised when match fails
 150         self.assertRaises(ValueError,_strptime.strptime, data_string="%d", format="%A")
 151
 152     def test_returning_RE(self):
 153         # Make sure that an re can be returned
 154         strp_output = _strptime.strptime(False, "%Y")
 155         self.failUnless(isinstance(strp_output, type(re.compile(''))), "re object not returned correctly")
 156         self.failUnless(_strptime.strptime("1999", strp_output), "Use or re object failed")
 157         bad_locale_time = _strptime.LocaleTime(lang="gibberish")
 158         self.assertRaises(TypeError, _strptime.strptime, data_string='1999', format=strp_output, locale_time=bad_locale_time)
 159
 160     def helper(self, directive, position):
 161         """Helper fxn in testing."""
 162         strf_output = time.strftime("%%%s" % directive, self.time_tuple)
 163         strp_output = _strptime.strptime(strf_output, "%%%s" % directive)
 164         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]))
 165
 166     def test_year(self):
 167         # Test that the year is handled properly
 168         for directive in ('y', 'Y'):
 169             self.helper(directive, 0)
 170
 171     def test_month(self):
 172         # Test for month directives
 173         for directive in ('B', 'b', 'm'):
 174             self.helper(directive, 1)
 175
 176     def test_day(self):
 177         # Test for day directives
 178         self.helper('d', 2)
 179
 180     def test_hour(self):
 181         # Test hour directives
 182         self.helper('H', 3)
 183         strf_output = time.strftime("%I %p", self.time_tuple)
 184         strp_output = _strptime.strptime(strf_output, "%I %p")
 185         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]))
 186
 187     def test_minute(self):
 188         # Test minute directives
 189         self.helper('M', 4)
 190
 191     def test_second(self):
 192         # Test second directives
 193         self.helper('S', 5)
 194
 195     def test_weekday(self):
 196         # Test weekday directives
 197         for directive in ('A', 'a', 'w'):
 198             self.helper(directive,6)
 199
 200     def test_julian(self):
 201         # Test julian directives
 202         self.helper('j', 7)
 203
 204     def test_timezone(self):
 205         # Test timezone directives.
 206         # When gmtime() is used with %Z, entire result of strftime() is empty.
 207         time_tuple = time.localtime()
 208         strf_output = time.strftime("%Z")  #UTC does not have a timezone
 209         strp_output = _strptime.strptime(strf_output, "%Z")
 210         self.failUnless(strp_output[8] == time_tuple[8], "timezone check failed; '%s' -> %s != %s" % (strf_output, strp_output[8], time_tuple[8]))
 211
 212     def test_date_time(self):
 213         # Test %c directive
 214         for position in range(6):
 215             self.helper('c', position)
 216
 217     def test_date(self):
 218         # Test %x directive
 219         for position in range(0,3):
 220             self.helper('x', position)
 221
 222     def test_time(self):
 223         # Test %X directive
 224         for position in range(3,6):
 225             self.helper('X', position)
 226
 227     def test_percent(self):
 228         # Make sure % signs are handled properly
 229         strf_output = time.strftime("%m %% %Y", self.time_tuple)
 230         strp_output = _strptime.strptime(strf_output, "%m %% %Y")
 231         self.failUnless(strp_output[0] == self.time_tuple[0] and strp_output[1] == self.time_tuple[1], "handling of percent sign failed")
 232
 233     def test_caseinsensitive(self):
 234         # Should handle names case-insensitively.
 235         strf_output = time.strftime("%B", self.time_tuple)
 236         self.failUnless(_strptime.strptime(strf_output.upper(), "%B"),
 237                         "strptime does not handle ALL-CAPS names properly")
 238         self.failUnless(_strptime.strptime(strf_output.lower(), "%B"),
 239                         "strptime does not handle lowercase names properly")
 240         self.failUnless(_strptime.strptime(strf_output.capitalize(), "%B"),
 241                         "strptime does not handle capword names properly")
 242
 243 class FxnTests(unittest.TestCase):
 244     """Test functions that fill in info by validating result and are triggered properly."""
 245
 246     def setUp(self):
 247         """Create an initial time tuple."""
 248         self.time_tuple = time.gmtime()
 249
 250     def test_julianday_result(self):
 251         # Test julianday
 252         result = _strptime.julianday(self.time_tuple[0], self.time_tuple[1], self.time_tuple[2])
 253         self.failUnless(result == self.time_tuple[7], "julianday failed; %s != %s" % (result, self.time_tuple[7]))
 254
 255     def test_julianday_trigger(self):
 256         # Make sure julianday is called
 257         strf_output = time.strftime("%Y-%m-%d", self.time_tuple)
 258         strp_output = _strptime.strptime(strf_output, "%Y-%m-%d")
 259         self.failUnless(strp_output[7] == self.time_tuple[7], "strptime did not trigger julianday(); %s != %s" % (strp_output[7], self.time_tuple[7]))
 260
 261     def test_gregorian_result(self):
 262         # Test gregorian
 263         result = _strptime.gregorian(self.time_tuple[7], self.time_tuple[0])
 264         comparison = [self.time_tuple[0], self.time_tuple[1], self.time_tuple[2]]
 265         self.failUnless(result == comparison, "gregorian() failed; %s != %s" % (result, comparison))
 266
 267     def test_gregorian_trigger(self):
 268         # Test that gregorian() is triggered
 269         strf_output = time.strftime("%j %Y", self.time_tuple)
 270         strp_output = _strptime.strptime(strf_output, "%j %Y")
 271         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]))
 272
 273     def test_dayofweek_result(self):
 274         # Test dayofweek
 275         result = _strptime.dayofweek(self.time_tuple[0], self.time_tuple[1], self.time_tuple[2])
 276         comparison = self.time_tuple[6]
 277         self.failUnless(result == comparison, "dayofweek() failed; %s != %s" % (result, comparison))
 278
 279     def test_dayofweek_trigger(self):
 280         # Make sure dayofweek() gets triggered
 281         strf_output = time.strftime("%Y-%m-%d", self.time_tuple)
 282         strp_output = _strptime.strptime(strf_output, "%Y-%m-%d")
 283         self.failUnless(strp_output[6] == self.time_tuple[6], "triggering of dayofweek() failed; %s != %s" % (strp_output[6], self.time_tuple[6]))
 284
 285
 286 class Strptime12AMPMTests(unittest.TestCase):
 287     """Test a _strptime regression in '%I %p' at 12 noon (12 PM)"""
 288
 289     def test_twelve_noon_midnight(self):
 290         eq = self.assertEqual
 291         eq(time.strptime('12 PM', '%I %p')[3], 12)
 292         eq(time.strptime('12 AM', '%I %p')[3], 0)
 293         eq(_strptime.strptime('12 PM', '%I %p')[3], 12)
 294         eq(_strptime.strptime('12 AM', '%I %p')[3], 0)
 295
 296
 297 def test_main():
 298     suite = unittest.TestSuite()
 299     suite.addTest(unittest.makeSuite(LocaleTime_Tests))
 300     suite.addTest(unittest.makeSuite(TimeRETests))
 301     suite.addTest(unittest.makeSuite(StrptimeTests))
 302     suite.addTest(unittest.makeSuite(FxnTests))
 303     suite.addTest(unittest.makeSuite(Strptime12AMPMTests))
 304     test_support.run_suite(suite)
 305
 306
 307 if __name__ == '__main__':
 308     test_main()