Method test_invalid_methods

tornado/test/httpserver_test.py:658–687

(self)

    @gen_test
    def test_invalid_methods(self):
        # RFC 9110 distinguishes between syntactically invalid methods and those that are
        # valid but unknown. The former must give a 400 status code, while the latter should
        # give a 405.
        test_cases = [
            ("FOO", 405, None),
            ("FOO,BAR", 400, ".*Malformed HTTP request line"),
        ]
        for method, code, log_msg in test_cases:
            if log_msg is not None:
                expect_log = ExpectLog(gen_log, log_msg, level=logging.INFO)
            else:

                @contextmanager
                def noop_context():
                    yield

                expect_log = noop_context()  # type: ignore
            with (
                self.subTest(method=method),
                closing(IOStream(socket.socket())) as stream,
                expect_log,
            ):
                yield stream.connect(("127.0.0.1", self.get_http_port()))
                stream.write(utf8(f"{method} /echo HTTP/1.1\r\nHost:127.0.0.1\r\n\r\n"))
                resp = yield stream.read_until(b"\r\n\r\n")
                self.assertTrue(
                    resp.startswith(b"HTTP/1.1 %d" % code),
                    f"expected status code {code} in {resp!r}",
                )


class XHeaderTest(HandlerBaseTestCase):