view Lib/test/test_string.py @ 12357:5b59ea41db4e legacy-trunk

Install the docs (with fewer rules). Add descriptions for the system variables.
author Guido van Rossum <guido@python.org>
date Mon, 10 Apr 2000 19:36:27 +0000
parents 7994d9db7f4d
children 0481096a0f45
line wrap: on
line source

from test_support import verbose
import string, sys

# XXX: kludge... short circuit if strings don't have methods
try:
    ''.join
except AttributeError:
    raise ImportError

def test(name, input, output, *args):
    if verbose:
        print 'string.%s%s =? %s... ' % (name, (input,) + args, output),
    try:
        # Prefer string methods over string module functions
        try:
            f = getattr(input, name)
            value = apply(f, args)
        except AttributeError:
            f = getattr(string, name)
            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('lower', 'hello', 'hello')
test('upper', 'HeLLo', 'HELLO')
test('upper', 'HELLO', 'HELLO')

test('title', ' hello ', ' Hello ')
test('title', 'hello ', 'Hello ')
test('title', "fOrMaT thIs aS titLe String", 'Format This As Title String')
test('title', "fOrMaT,thIs-aS*titLe;String", 'Format,This-As*Title;String')
test('title', "getInt", 'Getint')

test('expandtabs', 'abc\rab\tdef\ng\thi', 'abc\rab      def\ng       hi')
test('expandtabs', 'abc\rab\tdef\ng\thi', 'abc\rab      def\ng       hi', 8)
test('expandtabs', 'abc\rab\tdef\ng\thi', 'abc\rab  def\ng   hi', 4)
test('expandtabs', 'abc\r\nab\tdef\ng\thi', 'abc\r\nab  def\ng   hi', 4)

test('islower', 'a', 1)
test('islower', 'A', 0)
test('islower', '\n', 0)
test('islower', 'abc', 1)
test('islower', 'aBc', 0)
test('islower', 'abc\n', 1)

test('isupper', 'a', 0)
test('isupper', 'A', 1)
test('isupper', '\n', 0)
test('isupper', 'ABC', 1)
test('isupper', 'AbC', 0)
test('isupper', 'ABC\n', 1)

test('istitle', 'a', 0)
test('istitle', 'A', 1)
test('istitle', '\n', 0)
test('istitle', 'A Titlecased Line', 1)
test('istitle', 'A\nTitlecased Line', 1)
test('istitle', 'A Titlecased, Line', 1)
test('istitle', 'Not a capitalized String', 0)
test('istitle', 'Not\ta Titlecase String', 0)
test('istitle', 'Not--a Titlecase String', 0)

test('splitlines', "abc\ndef\n\rghi", ['abc', 'def', '', 'ghi'])
test('splitlines', "abc\ndef\n\r\nghi", ['abc', 'def', '', 'ghi'])
test('splitlines', "abc\ndef\r\nghi", ['abc', 'def', 'ghi'])
test('splitlines', "abc\ndef\r\nghi\n", ['abc', 'def', 'ghi'])
test('splitlines', "abc\ndef\r\nghi\n\r", ['abc', 'def', 'ghi', ''])
test('splitlines', "\nabc\ndef\r\nghi\n\r", ['', 'abc', 'def', 'ghi', ''])
test('splitlines', "\nabc\ndef\r\nghi\n\r", ['', 'abc\012def\015\012ghi\012\015'], 1)
test('splitlines', "\nabc\ndef\r\nghi\n\r", ['', 'abc', 'def\015\012ghi\012\015'], 2)

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)
test('split', 'a b c d ', ['a', 'b', 'c', 'd'])

# 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')
test('join', 7, TypeError)

class BadSeq(Sequence):
    def __init__(self): self.seq = [7, 'hello', 123L]

test('join', BadSeq(), TypeError)

# try a few long ones
print string.join(['x' * 100] * 100, ':')
print string.join(('x' * 100,) * 100, ':')

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

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

table = string.maketrans('a', 'A')
test('translate', 'abc', 'Abc', table)
test('translate', 'xyz', 'xyz', table)

test('replace', 'one!two!three!', 'one@two!three!', '!', '@', 1)
test('replace', 'one!two!three!', 'onetwothree', '!', '')
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)
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)

test('startswith', 'hello', 1, 'he')
test('startswith', 'hello', 1, 'hello')
test('startswith', 'hello', 0, 'hello world')
test('startswith', 'hello', 1, '')
test('startswith', 'hello', 0, 'ello')
test('startswith', 'hello', 1, 'ello', 1)
test('startswith', 'hello', 1, 'o', 4)
test('startswith', 'hello', 0, 'o', 5)
test('startswith', 'hello', 1, '', 5)
test('startswith', 'hello', 0, 'lo', 6)
test('startswith', 'helloworld', 1, 'lowo', 3)
test('startswith', 'helloworld', 1, 'lowo', 3, 7)
test('startswith', 'helloworld', 0, 'lowo', 3, 6)

test('endswith', 'hello', 1, 'lo')
test('endswith', 'hello', 0, 'he')
test('endswith', 'hello', 1, '')
test('endswith', 'hello', 0, 'hello world')
test('endswith', 'helloworld', 0, 'worl')
test('endswith', 'helloworld', 1, 'worl', 3, 9)
test('endswith', 'helloworld', 1, 'world', 3, 12)
test('endswith', 'helloworld', 1, 'lowo', 1, 7)
test('endswith', 'helloworld', 1, 'lowo', 2, 7)
test('endswith', 'helloworld', 1, 'lowo', 3, 7)
test('endswith', 'helloworld', 0, 'lowo', 4, 7)
test('endswith', 'helloworld', 0, 'lowo', 3, 8)
test('endswith', 'ab', 0, 'ab', 0, 1)
test('endswith', 'ab', 0, 'ab', 0, 0)

string.whitespace
string.lowercase
string.uppercase