Method test_invalid_upgrade

tests/test_server.py:409–424

Handshake fails when the Upgrade header is invalid.

(self)

        )

    def test_invalid_upgrade(self):
        """Handshake fails when the Upgrade header is invalid."""
        server = ServerProtocol()
        request = make_request()
        del request.headers["Upgrade"]
        request.headers["Upgrade"] = "h2c"
        response = server.accept(request)
        server.send_response(response)

        self.assertEqual(response.status_code, 426)
        self.assertEqual(response.headers["Upgrade"], "websocket")
        self.assertHandshakeError(
            server,
            InvalidUpgrade,
            "invalid Upgrade header: h2c",
        )

    def test_missing_key(self):
        """Handshake fails when the Sec-WebSocket-Key header is missing."""