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v0.5.1
https://github.com/python/cpython
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Tip revision: 2fb17ba2fa19d15d2c422ef7c2b45dca4f4de140 authored by cvs2svn on 16 April 2001, 18:46:45 UTC
This commit was manufactured by cvs2svn to create tag 'release21'.
Tip revision: 2fb17ba
string_tests.py
"""Common tests shared by test_string and test_userstring"""

import string

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'

from UserList import UserList

class Sequence:
    def __init__(self): self.seq = 'wxyz'
    def __len__(self): return len(self.seq)
    def __getitem__(self, i): return self.seq[i]

class BadSeq1(Sequence):
    def __init__(self): self.seq = [7, 'hello', 123L]

class BadSeq2(Sequence):
    def __init__(self): self.seq = ['a', 'b', 'c']
    def __len__(self): return 8

def run_module_tests(test):
    """Run all tests that exercise a function in the string module"""

    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('maketrans', 'abc', transtable, 'xyz')
    test('maketrans', 'abc', ValueError, 'xyzq')

    # join now works with any sequence type
    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)

    test('join', BadSeq1(), TypeError)
    test('join', BadSeq2(), 'a b c')

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


def run_method_tests(test):
    """Run all tests that exercise a method of a string object"""

    test('capitalize', ' hello ', ' hello ')
    test('capitalize', 'hello ', 'Hello ')
    test('capitalize', 'aaaa', 'Aaaa')
    test('capitalize', 'AaAa', 'Aaaa')

    test('count', 'aaa', 3, 'a')
    test('count', 'aaa', 0, 'b')

    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('isalpha', 'a', 1)
    test('isalpha', 'A', 1)
    test('isalpha', '\n', 0)
    test('isalpha', 'abc', 1)
    test('isalpha', 'aBc123', 0)
    test('isalpha', 'abc\n', 0)

    test('isalnum', 'a', 1)
    test('isalnum', 'A', 1)
    test('isalnum', '\n', 0)
    test('isalnum', '123abc456', 1)
    test('isalnum', 'a1b3c', 1)
    test('isalnum', 'aBc000 ', 0)
    test('isalnum', 'abc\n', 0)

    # join now works with any sequence type
    test('join', ' ', 'a b c d', ['a', 'b', 'c', 'd'])
    test('join', '', 'abcd', ('a', 'b', 'c', 'd'))
    test('join', ' ', 'w x y z', Sequence())
    test('join', 'a', 'abc', ('abc',))
    test('join', 'a', 'z', UserList(['z']))
    test('join', u'.', u'a.b.c', ['a', 'b', 'c'])
    test('join', '.', u'a.b.c', [u'a', 'b', 'c'])
    test('join', '.', u'a.b.c', ['a', u'b', 'c'])
    test('join', '.', u'a.b.c', ['a', 'b', u'c'])
    test('join', '.', TypeError, ['a', u'b', 3])
    for i in [5, 25, 125]:
        test('join', '-', ((('a' * i) + '-') * i)[:-1],
             ['a' * i] * i)

    test('join', ' ', TypeError, BadSeq1())
    test('join', ' ', 'a b c', BadSeq2())

    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", ['\n', 'abc\n', 'def\r\n', 'ghi\n', '\r'], 1)

    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'])

    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)
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