Method test_missing_version

tests/test_server.py:493–506

Handshake fails when the Sec-WebSocket-Version header is missing.

(self)

        )

    def test_missing_version(self):
        """Handshake fails when the Sec-WebSocket-Version header is missing."""
        server = ServerProtocol()
        request = make_request()
        del request.headers["Sec-WebSocket-Version"]
        response = server.accept(request)
        server.send_response(response)

        self.assertEqual(response.status_code, 400)
        self.assertHandshakeError(
            server,
            InvalidHeader,
            "missing Sec-WebSocket-Version header",
        )

    def test_multiple_version(self):
        """Handshake fails when the Sec-WebSocket-Version header is repeated."""