Method test_name_resolution

Lib/test/test_pkgutil.py:234–323

(self)

            list(pkgutil.walk_packages(bytes_input))

    def test_name_resolution(self):
        import logging
        import logging.handlers

        success_cases = (
            ('os', os),
            ('os.path', os.path),
            ('os.path:pathsep', os.path.pathsep),
            ('logging', logging),
            ('logging:', logging),
            ('logging.handlers', logging.handlers),
            ('logging.handlers:', logging.handlers),
            ('logging.handlers:SysLogHandler', logging.handlers.SysLogHandler),
            ('logging.handlers.SysLogHandler', logging.handlers.SysLogHandler),
            ('logging.handlers:SysLogHandler.LOG_ALERT',
                logging.handlers.SysLogHandler.LOG_ALERT),
            ('logging.handlers.SysLogHandler.LOG_ALERT',
                logging.handlers.SysLogHandler.LOG_ALERT),
            ('builtins.int', int),
            ('builtins:int', int),
            ('builtins.int.from_bytes', int.from_bytes),
            ('builtins:int.from_bytes', int.from_bytes),
            ('builtins.ZeroDivisionError', ZeroDivisionError),
            ('builtins:ZeroDivisionError', ZeroDivisionError),
            ('os:path', os.path),
        )

        failure_cases = (
            (None, TypeError),
            (1, TypeError),
            (2.0, TypeError),
            (True, TypeError),
            ('', ValueError),
            ('?abc', ValueError),
            ('abc/foo', ValueError),
            ('foo', ImportError),
            ('os.foo', AttributeError),
            ('os.foo:', ImportError),
            ('os.pth:pathsep', ImportError),
            ('logging.handlers:NoSuchHandler', AttributeError),
            ('logging.handlers:SysLogHandler.NO_SUCH_VALUE', AttributeError),
            ('logging.handlers.SysLogHandler.NO_SUCH_VALUE', AttributeError),
            ('ZeroDivisionError', ImportError),
            ('os.path.9abc', ValueError),
            ('9abc', ValueError),
        )

        # add some Unicode package names to the mix.

        unicode_words = ('\u0935\u092e\u0938',
                         '\xe9', '\xc8',
                         '\uc548\ub155\ud558\uc138\uc694',
                         '\u3055\u3088\u306a\u3089',
                         '\u3042\u308a\u304c\u3068\u3046',
                         '\u0425\u043e\u0440\u043e\u0448\u043e',
                         '\u0441\u043f\u0430\u0441\u0438\u0431\u043e',
                         '\u73b0\u4ee3\u6c49\u8bed\u5e38\u7528\u5b57\u8868')