Lib/test/test_string.py

   1 import unittest, string
   2 from test import test_support, string_tests
   3 from UserList import UserList
   4
   5 class StringTest(
   6     string_tests.CommonTest,
   7     string_tests.MixinStrStringUserStringTest
   8     ):
   9
  10     type2test = str
  11
  12     def checkequal(self, result, object, methodname, *args):
  13         realresult = getattr(string, methodname)(object, *args)
  14         self.assertEqual(
  15             result,
  16             realresult
  17         )
  18
  19     def checkraises(self, exc, object, methodname, *args):
  20         self.assertRaises(
  21             exc,
  22             getattr(string, methodname),
  23             object,
  24             *args
  25         )
  26
  27     def checkcall(self, object, methodname, *args):
  28         getattr(string, methodname)(object, *args)
  29
  30     def test_join(self):
  31         # These are the same checks as in string_test.ObjectTest.test_join
  32         # but the argument order ist different
  33         self.checkequal('a b c d', ['a', 'b', 'c', 'd'], 'join', ' ')
  34         self.checkequal('abcd', ('a', 'b', 'c', 'd'), 'join', '')
  35         self.checkequal('w x y z', string_tests.Sequence(), 'join', ' ')
  36         self.checkequal('abc', ('abc',), 'join', 'a')
  37         self.checkequal('z', UserList(['z']), 'join', 'a')
  38         if test_support.have_unicode:
  39             self.checkequal(unicode('a.b.c'), ['a', 'b', 'c'], 'join', unicode('.'))
  40             self.checkequal(unicode('a.b.c'), [unicode('a'), 'b', 'c'], 'join', '.')
  41             self.checkequal(unicode('a.b.c'), ['a', unicode('b'), 'c'], 'join', '.')
  42             self.checkequal(unicode('a.b.c'), ['a', 'b', unicode('c')], 'join', '.')
  43             self.checkraises(TypeError, ['a', unicode('b'), 3], 'join', '.')
  44         for i in [5, 25, 125]:
  45             self.checkequal(
  46                 ((('a' * i) + '-') * i)[:-1],
  47                 ['a' * i] * i, 'join', '-')
  48             self.checkequal(
  49                 ((('a' * i) + '-') * i)[:-1],
  50                 ('a' * i,) * i, 'join', '-')
  51
  52         self.checkraises(TypeError, string_tests.BadSeq1(), 'join', ' ')
  53         self.checkequal('a b c', string_tests.BadSeq2(), 'join', ' ')
  54
  55 class ModuleTest(unittest.TestCase):
  56
  57     def test_attrs(self):
  58         string.whitespace
  59         string.lowercase
  60         string.uppercase
  61         string.letters
  62         string.digits
  63         string.hexdigits
  64         string.octdigits
  65         string.punctuation
  66         string.printable
  67
  68     def test_atoi(self):
  69         self.assertEqual(string.atoi(" 1 "), 1)
  70         self.assertRaises(ValueError, string.atoi, " 1x")
  71         self.assertRaises(ValueError, string.atoi, " x1 ")
  72
  73     def test_atol(self):
  74         self.assertEqual(string.atol("  1  "), 1L)
  75         self.assertRaises(ValueError, string.atol, "  1x ")
  76         self.assertRaises(ValueError, string.atol, "  x1 ")
  77
  78     def test_atof(self):
  79         self.assertAlmostEqual(string.atof("  1  "), 1.0)
  80         self.assertRaises(ValueError, string.atof, "  1x ")
  81         self.assertRaises(ValueError, string.atof, "  x1 ")
  82
  83     def test_maketrans(self):
  84         transtable = '\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'
  85
  86         self.assertEqual(string.maketrans('abc', 'xyz'), transtable)
  87         self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzq')
  88
  89     def test_capwords(self):
  90         self.assertEqual(string.capwords('abc def ghi'), 'Abc Def Ghi')
  91         self.assertEqual(string.capwords('abc\tdef\nghi'), 'Abc Def Ghi')
  92         self.assertEqual(string.capwords('abc\t   def  \nghi'), 'Abc Def Ghi')
  93         self.assertEqual(string.capwords('ABC DEF GHI'), 'Abc Def Ghi')
  94         self.assertEqual(string.capwords('ABC-DEF-GHI', '-'), 'Abc-Def-Ghi')
  95         self.assertEqual(string.capwords('ABC-def DEF-ghi GHI'), 'Abc-def Def-ghi Ghi')
  96
  97 def test_main():
  98     suite = unittest.TestSuite()
  99     suite.addTest(unittest.makeSuite(StringTest))
 100     suite.addTest(unittest.makeSuite(ModuleTest))
 101     test_support.run_suite(suite)
 102
 103 if __name__ == "__main__":
 104     test_main()