test_optparse.py 文件源码

def test_match_abbrev_error(self):
        s = "--f"
        wordmap = {"--foz": None, "--foo": None, "--fie": None}
        self.assertRaises(
            _match_abbrev, (s, wordmap), None,
            BadOptionError, "ambiguous option: --f (--fie, --foo, --foz?)")