test_futurize.py 文件源码

def test_basestring(self):
        """
        The 2to3 basestring fixer breaks working Py2 code that uses basestring.
        This tests whether something sensible is done instead.
        """
        before = """
        assert isinstance('hello', basestring)
        assert isinstance(u'hello', basestring)
        assert isinstance(b'hello', basestring)
        """
        after = """
        from past.builtins import basestring
        assert isinstance('hello', basestring)
        assert isinstance(u'hello', basestring)
        assert isinstance(b'hello', basestring)
        """
        self.convert_check(before, after)