test_string.py 文件源码

def test_join(self):
        # These are the same checks as in string_test.ObjectTest.test_join
        # but the argument order ist different
        self.checkequal('a b c d', ['a', 'b', 'c', 'd'], 'join', ' ')
        self.checkequal('abcd', ('a', 'b', 'c', 'd'), 'join', '')
        self.checkequal('w x y z', string_tests.Sequence(), 'join', ' ')
        self.checkequal('abc', ('abc',), 'join', 'a')
        self.checkequal('z', UserList(['z']), 'join', 'a')
        if test_support.have_unicode:
            self.checkequal(unicode('a.b.c'), ['a', 'b', 'c'], 'join', unicode('.'))
            self.checkequal(unicode('a.b.c'), [unicode('a'), 'b', 'c'], 'join', '.')
            self.checkequal(unicode('a.b.c'), ['a', unicode('b'), 'c'], 'join', '.')
            self.checkequal(unicode('a.b.c'), ['a', 'b', unicode('c')], 'join', '.')
            self.checkraises(TypeError, ['a', unicode('b'), 3], 'join', '.')
        for i in [5, 25, 125]:
            self.checkequal(
                ((('a' * i) + '-') * i)[:-1],
                ['a' * i] * i, 'join', '-')
            self.checkequal(
                ((('a' * i) + '-') * i)[:-1],
                ('a' * i,) * i, 'join', '-')

        self.checkraises(TypeError, string_tests.BadSeq1(), 'join', ' ')
        self.checkequal('a b c', string_tests.BadSeq2(), 'join', ' ')
        try:
            def f():
                yield 4 + ""
            self.fixtype(' ').join(f())
        except TypeError, e:
            if '+' not in str(e):
                self.fail('join() ate exception message')
        else:
            self.fail('exception not raised')