Lib/test/test_strop.py

   1 import warnings
   2 warnings.filterwarnings("ignore", "", DeprecationWarning, __name__)
   3 warnings.filterwarnings("ignore", "", DeprecationWarning, "unittest")
   4 import strop
   5 import test_support
   6 import unittest
   7
   8
   9 class StropFunctionTestCase(unittest.TestCase):
  10
  11     def test_atoi(self):
  12         self.assert_(strop.atoi(" 1 ") == 1)
  13         self.assertRaises(ValueError, strop.atoi, " 1x")
  14         self.assertRaises(ValueError, strop.atoi, " x1 ")
  15
  16     def test_atol(self):
  17         self.assert_(strop.atol(" 1 ") == 1L)
  18         self.assertRaises(ValueError, strop.atol, " 1x")
  19         self.assertRaises(ValueError, strop.atol, " x1 ")
  20
  21     def test_atof(self):
  22         self.assert_(strop.atof(" 1 ") == 1.0)
  23         self.assertRaises(ValueError, strop.atof, " 1x")
  24         self.assertRaises(ValueError, strop.atof, " x1 ")
  25
  26     def test_capitalize(self):
  27         self.assert_(strop.capitalize(" hello ") == " hello ")
  28         self.assert_(strop.capitalize("hello ") == "Hello ")
  29
  30     def test_find(self):
  31         self.assert_(strop.find("abcdefghiabc", "abc") == 0)
  32         self.assert_(strop.find("abcdefghiabc", "abc", 1) == 9)
  33         self.assert_(strop.find("abcdefghiabc", "def", 4) == -1)
  34
  35     def test_rfind(self):
  36         self.assert_(strop.rfind("abcdefghiabc", "abc") == 9)
  37
  38     def test_lower(self):
  39         self.assert_(strop.lower("HeLLo") == "hello")
  40
  41     def test_upper(self):
  42         self.assert_(strop.upper("HeLLo") == "HELLO")
  43
  44     def test_swapcase(self):
  45         self.assert_(strop.swapcase("HeLLo cOmpUteRs") == "hEllO CoMPuTErS")
  46
  47     def test_strip(self):
  48         self.assert_(strop.strip(" \t\n hello \t\n ") == "hello")
  49
  50     def test_lstrip(self):
  51         self.assert_(strop.lstrip(" \t\n hello \t\n ") == "hello \t\n ")
  52
  53     def test_rstrip(self):
  54         self.assert_(strop.rstrip(" \t\n hello \t\n ") == " \t\n hello")
  55
  56     def test_replace(self):
  57         replace = strop.replace
  58         self.assert_(replace("one!two!three!", '!', '@', 1)
  59                      == "one@two!three!")
  60         self.assert_(replace("one!two!three!", '!', '@', 2)
  61                      == "one@two@three!")
  62         self.assert_(replace("one!two!three!", '!', '@', 3)
  63                      == "one@two@three@")
  64         self.assert_(replace("one!two!three!", '!', '@', 4)
  65                      == "one@two@three@")
  66
  67         # CAUTION: a replace count of 0 means infinity only to strop,
  68         # not to the string .replace() method or to the
  69         # string.replace() function.
  70
  71         self.assert_(replace("one!two!three!", '!', '@', 0)
  72                      == "one@two@three@")
  73         self.assert_(replace("one!two!three!", '!', '@')
  74                      == "one@two@three@")
  75         self.assert_(replace("one!two!three!", 'x', '@')
  76                      == "one!two!three!")
  77         self.assert_(replace("one!two!three!", 'x', '@', 2)
  78                      == "one!two!three!")
  79
  80     def test_split(self):
  81         split = strop.split
  82         self.assert_(split("this is the split function")
  83                      == ['this', 'is', 'the', 'split', 'function'])
  84         self.assert_(split("a|b|c|d", '|') == ['a', 'b', 'c', 'd'])
  85         self.assert_(split("a|b|c|d", '|', 2) == ['a', 'b', 'c|d'])
  86         self.assert_(split("a b c d", None, 1) == ['a', 'b c d'])
  87         self.assert_(split("a b c d", None, 2) == ['a', 'b', 'c d'])
  88         self.assert_(split("a b c d", None, 3) == ['a', 'b', 'c', 'd'])
  89         self.assert_(split("a b c d", None, 4) == ['a', 'b', 'c', 'd'])
  90         self.assert_(split("a b c d", None, 0) == ['a', 'b', 'c', 'd'])
  91         self.assert_(split("a  b  c  d", None, 2) ==  ['a', 'b', 'c  d'])
  92
  93     def test_join(self):
  94         self.assert_(strop.join(['a', 'b', 'c', 'd']) == 'a b c d')
  95         self.assert_(strop.join(('a', 'b', 'c', 'd'), '') == 'abcd')
  96         self.assert_(strop.join(Sequence()) == 'w x y z')
  97
  98         # try a few long ones
  99         self.assert_(strop.join(['x' * 100] * 100, ':')
 100                      == (('x' * 100) + ":") * 99 + "x" * 100)
 101         self.assert_(strop.join(('x' * 100,) * 100, ':')
 102                      == (('x' * 100) + ":") * 99 + "x" * 100)
 103
 104     def test_maketrans(self):
 105         self.assert_(strop.maketrans("abc", "xyz") == transtable)
 106         self.assertRaises(ValueError, strop.maketrans, "abc", "xyzq")
 107
 108     def test_translate(self):
 109         self.assert_(strop.translate("xyzabcdef", transtable, "def")
 110                      == "xyzxyz")
 111
 112     def test_data_attributes(self):
 113         strop.lowercase
 114         strop.uppercase
 115         strop.whitespace
 116
 117
 118 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'
 119
 120
 121 # join() now works with any sequence type.
 122 class Sequence:
 123     def __init__(self): self.seq = 'wxyz'
 124     def __len__(self): return len(self.seq)
 125     def __getitem__(self, i): return self.seq[i]
 126
 127
 128 test_support.run_unittest(StropFunctionTestCase)