Migrate the strop test to PyUnit.

Lib/test/test_strop.py

-from test_support import verbose
 import warnings
 warnings.filterwarnings("ignore", "", DeprecationWarning, __name__)
-import strop, sys
-
-def test(name, input, output, *args):
-    if verbose:
-        print 'string.%s%s =? %s... ' % (name, (input,) + args, output),
-    f = getattr(strop, name)
-    try:
-        value = apply(f, (input,) + args)
-    except:
-        value = sys.exc_type
-    if value != output:
-        if verbose:
-            print 'no'
-        print f, `input`, `output`, `value`
-    else:
-        if verbose:
-            print 'yes'
-
-test('atoi', " 1 ", 1)
-test('atoi', " 1x", ValueError)
-test('atoi', " x1 ", ValueError)
-test('atol', "  1  ", 1L)
-test('atol', "  1x ", ValueError)
-test('atol', "  x1 ", ValueError)
-test('atof', "  1  ", 1.0)
-test('atof', "  1x ", ValueError)
-test('atof', "  x1 ", ValueError)
-
-test('capitalize', ' hello ', ' hello ')
-test('capitalize', 'hello ', 'Hello ')
-test('find', 'abcdefghiabc', 0, 'abc')
-test('find', 'abcdefghiabc', 9, 'abc', 1)
-test('find', 'abcdefghiabc', -1, 'def', 4)
-test('rfind', 'abcdefghiabc', 9, 'abc')
-test('lower', 'HeLLo', 'hello')
-test('upper', 'HeLLo', 'HELLO')
+warnings.filterwarnings("ignore", "", DeprecationWarning, "unittest")
+import strop
+import test_support
+import unittest
+
+
+class StropFunctionTestCase(unittest.TestCase):
+
+    def test_atoi(self):
+        self.assert_(strop.atoi(" 1 ") == 1)
+        self.assertRaises(ValueError, strop.atoi, " 1x")
+        self.assertRaises(ValueError, strop.atoi, " x1 ")
+
+    def test_atol(self):
+        self.assert_(strop.atol(" 1 ") == 1L)
+        self.assertRaises(ValueError, strop.atol, " 1x")
+        self.assertRaises(ValueError, strop.atol, " x1 ")
+
+    def test_atof(self):
+        self.assert_(strop.atof(" 1 ") == 1.0)
+        self.assertRaises(ValueError, strop.atof, " 1x")
+        self.assertRaises(ValueError, strop.atof, " x1 ")
+
+    def test_capitalize(self):
+        self.assert_(strop.capitalize(" hello ") == " hello ")
+        self.assert_(strop.capitalize("hello ") == "Hello ")
+
+    def test_find(self):
+        self.assert_(strop.find("abcdefghiabc", "abc") == 0)
+        self.assert_(strop.find("abcdefghiabc", "abc", 1) == 9)
+        self.assert_(strop.find("abcdefghiabc", "def", 4) == -1)
+
+    def test_rfind(self):
+        self.assert_(strop.rfind("abcdefghiabc", "abc") == 9)
+
+    def test_lower(self):
+        self.assert_(strop.lower("HeLLo") == "hello")
+
+    def test_upper(self):
+        self.assert_(strop.upper("HeLLo") == "HELLO")
+
+    def test_swapcase(self):
+        self.assert_(strop.swapcase("HeLLo cOmpUteRs") == "hEllO CoMPuTErS")
+
+    def test_strip(self):
+        self.assert_(strop.strip(" \t\n hello \t\n ") == "hello")
+
+    def test_lstrip(self):
+        self.assert_(strop.lstrip(" \t\n hello \t\n ") == "hello \t\n ")
+
+    def test_rstrip(self):
+        self.assert_(strop.rstrip(" \t\n hello \t\n ") == " \t\n hello")
+
+    def test_replace(self):
+        replace = strop.replace
+        self.assert_(replace("one!two!three!", '!', '@', 1)
+                     == "one@two!three!")
+        self.assert_(replace("one!two!three!", '!', '@', 2)
+                     == "one@two@three!")
+        self.assert_(replace("one!two!three!", '!', '@', 3)
+                     == "one@two@three@")
+        self.assert_(replace("one!two!three!", '!', '@', 4)
+                     == "one@two@three@")
+
+        # CAUTION: a replace count of 0 means infinity only to strop,
+        # not to the string .replace() method or to the
+        # string.replace() function.
+
+        self.assert_(replace("one!two!three!", '!', '@', 0)
+                     == "one@two@three@")
+        self.assert_(replace("one!two!three!", '!', '@')
+                     == "one@two@three@")
+        self.assert_(replace("one!two!three!", 'x', '@')
+                     == "one!two!three!")
+        self.assert_(replace("one!two!three!", 'x', '@', 2)
+                     == "one!two!three!")
+
+    def test_split(self):
+        split = strop.split
+        self.assert_(split("this is the split function")
+                     == ['this', 'is', 'the', 'split', 'function'])
+        self.assert_(split("a|b|c|d", '|') == ['a', 'b', 'c', 'd'])
+        self.assert_(split("a|b|c|d", '|', 2) == ['a', 'b', 'c|d'])
+        self.assert_(split("a b c d", None, 1) == ['a', 'b c d'])
+        self.assert_(split("a b c d", None, 2) == ['a', 'b', 'c d'])
+        self.assert_(split("a b c d", None, 3) == ['a', 'b', 'c', 'd'])
+        self.assert_(split("a b c d", None, 4) == ['a', 'b', 'c', 'd'])
+        self.assert_(split("a b c d", None, 0) == ['a', 'b', 'c', 'd'])
+        self.assert_(split("a  b  c  d", None, 2) ==  ['a', 'b', 'c  d'])
+
+    def test_join(self):
+        self.assert_(strop.join(['a', 'b', 'c', 'd']) == 'a b c d')
+        self.assert_(strop.join(('a', 'b', 'c', 'd'), '') == 'abcd')
+        self.assert_(strop.join(Sequence()) == 'w x y z')
+
+        # try a few long ones
+        self.assert_(strop.join(['x' * 100] * 100, ':')
+                     == (('x' * 100) + ":") * 99 + "x" * 100)
+        self.assert_(strop.join(('x' * 100,) * 100, ':')
+                     == (('x' * 100) + ":") * 99 + "x" * 100)
+
+    def test_maketrans(self):
+        self.assert_(strop.maketrans("abc", "xyz") == transtable)
+        self.assertRaises(ValueError, strop.maketrans, "abc", "xyzq")
+
+    def test_translate(self):
+        self.assert_(strop.translate("xyzabcdef", transtable, "def")
+                     == "xyzxyz")
+
+    def test_data_attributes(self):
+        strop.lowercase
+        strop.uppercase
+        strop.whitespace
+
 
 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'
 
-test('maketrans', 'abc', transtable, 'xyz')
-test('maketrans', 'abc', ValueError, 'xyzq')
-
-test('split', 'this is the split function',
-     ['this', 'is', 'the', 'split', 'function'])
-test('split', 'a|b|c|d', ['a', 'b', 'c', 'd'], '|')
-test('split', 'a|b|c|d', ['a', 'b', 'c|d'], '|', 2)
-test('split', 'a b c d', ['a', 'b c d'], None, 1)
-test('split', 'a b c d', ['a', 'b', 'c d'], None, 2)
-test('split', 'a b c d', ['a', 'b', 'c', 'd'], None, 3)
-test('split', 'a b c d', ['a', 'b', 'c', 'd'], None, 4)
-test('split', 'a b c d', ['a', 'b', 'c', 'd'], None, 0)
-test('split', 'a  b  c  d', ['a', 'b', 'c  d'], None, 2)
-
-# join now works with any sequence type
+
+# join() now works with any sequence type.
 class Sequence:
     def __init__(self): self.seq = 'wxyz'
     def __len__(self): return len(self.seq)
     def __getitem__(self, i): return self.seq[i]
 
-test('join', ['a', 'b', 'c', 'd'], 'a b c d')
-test('join', ('a', 'b', 'c', 'd'), 'abcd', '')
-test('join', Sequence(), 'w x y z')
-
-# try a few long ones
-print strop.join(['x' * 100] * 100, ':')
-print strop.join(('x' * 100,) * 100, ':')
-
-test('strip', '   hello   ', 'hello')
-test('lstrip', '   hello   ', 'hello   ')
-test('rstrip', '   hello   ', '   hello')
-
-test('swapcase', 'HeLLo cOmpUteRs', 'hEllO CoMPuTErS')
-test('translate', 'xyzabcdef', 'xyzxyz', transtable, 'def')
-
-test('replace', 'one!two!three!', 'one@two!three!', '!', '@', 1)
-test('replace', 'one!two!three!', 'one@two@three!', '!', '@', 2)
-test('replace', 'one!two!three!', 'one@two@three@', '!', '@', 3)
-test('replace', 'one!two!three!', 'one@two@three@', '!', '@', 4)
-# CAUTION:  a replace count of 0 means infinity only to strop, not to the
-# string .replace() method or to the string.replace() function.
-test('replace', 'one!two!three!', 'one@two@three@', '!', '@', 0)
-test('replace', 'one!two!three!', 'one@two@three@', '!', '@')
-test('replace', 'one!two!three!', 'one!two!three!', 'x', '@')
-test('replace', 'one!two!three!', 'one!two!three!', 'x', '@', 2)
-
-strop.whitespace
-strop.lowercase
-strop.uppercase
+
+test_support.run_unittest(StropFunctionTestCase)