Method test_parse_extension

tests/test_headers.py:72–112

(self)

                    parse_upgrade(header)

    def test_parse_extension(self):
        for header, parsed in [
            # Synthetic examples
            ("foo", [("foo", [])]),
            ("foo, bar", [("foo", []), ("bar", [])]),
            (
                'foo; name; token=token; quoted-string="quoted-string", '
                "bar; quux; quuux",
                [
                    (
                        "foo",
                        [
                            ("name", None),
                            ("token", "token"),
                            ("quoted-string", "quoted-string"),
                        ],
                    ),
                    ("bar", [("quux", None), ("quuux", None)]),
                ],
            ),
            # Pathological example
            (
                ",\t, ,  ,foo  ;bar = 42,,   baz,,",
                [("foo", [("bar", "42")]), ("baz", [])],
            ),
            # Realistic use cases for permessage-deflate
            ("permessage-deflate", [("permessage-deflate", [])]),
            (
                "permessage-deflate; client_max_window_bits",
                [("permessage-deflate", [("client_max_window_bits", None)])],
            ),
            (
                "permessage-deflate; server_max_window_bits=10",
                [("permessage-deflate", [("server_max_window_bits", "10")])],
            ),
        ]:
            with self.subTest(header=header):
                self.assertEqual(parse_extension(header), parsed)
                # Also ensure that build_extension round-trips cleanly.
                unparsed = build_extension(parsed)
                self.assertEqual(parse_extension(unparsed), parsed)

    def test_parse_extension_invalid_header_format(self):
        for header in [