LibTest/io/WebSocketTransformer/isUpgradeRequest_A01_t01.dart

// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart = 2.9

/// @assertion bool isUpgradeRequest(HttpRequest request)
/// Checks whether the request is a valid WebSocket upgrade request.
/// @description Checks that he method [isUpgradeRequest] return true if a
/// parameter is a valid WebSocket upgrade request.
/// @author ngl@unipro.ru

import "dart:io";
import "../../../Utils/expect.dart";

main() {
  var protocols = ["p1.com", "p2.com"];
  selector(List<String> receivedProtocols) {
    Expect.listEquals(protocols, receivedProtocols);
    return protocols[0];
  }

  HttpServer.bind("127.0.0.1", 0).then((server) {
    server.listen((request) {
      Expect.isTrue(WebSocketTransformer.isUpgradeRequest(request) is bool);
      WebSocketTransformer
          .upgrade(request, protocolSelector: selector)
          .then((websocket) {
        websocket.close();
      });
    });
    WebSocket
        .connect("ws://127.0.0.1:${server.port}/", protocols: protocols)
        .then((client) {
      client.close();
      server.close();
    });
  });
}