cpython/Lib/test/test_strop.py

import strop, sys

def test(name, input, output, *args):
    f = getattr(strop, name)
    try:
	value = apply(f, (input,) + args)
    except:
	 value = sys.exc_type
    if value != output:
	print f, `input`, `output`, `value`

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')

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('join', ['a', 'b', 'c', 'd'], 'a b c d')
test('join', ['a', 'b', 'c', 'd'], 'abcd', '')

test('strip', '   hello   ', 'hello')
test('lstrip', '   hello   ', 'hello   ')
test('rstrip', '   hello   ', '   hello')

test('swapcase', 'HeLLo cOmpUteRs', 'hEllO CoMPuTErS')
test('translate', 'xyzabcdef', 'xyzxyz', transtable, 'def')

strop.whitespace
strop.lowercase
strop.uppercase