split client and server channels

pkg/analysis_server/test/channel_test.dart

+// Copyright (c) 2014, 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.
+
+library test.channel;
+
+import 'package:analysis_server/src/protocol.dart';
+import 'package:unittest/matcher.dart';
+import 'package:unittest/unittest.dart';
+import 'package:analysis_server/src/channel.dart';
+import 'mocks.dart';
+
+main() {
+  group('Channel', () {
+    test('invalidJsonToClient', ChannelTest.invalidJsonToClient);
+    test('invalidJsonToServer', ChannelTest.invalidJsonToServer);
+    test('notification', ChannelTest.notification);
+    test('request', ChannelTest.request);
+    test('response', ChannelTest.response);
+  });
+}
+
+class ChannelTest {
+
+  static void invalidJsonToClient() {
+    InvalidJsonMockSocket mockSocket = new InvalidJsonMockSocket();
+    WebSocketClientChannel client = new WebSocketClientChannel(mockSocket);
+    var responsesReceived = new List();
+    var notificationsReceived = new List();
+    client.listen((Response response) => responsesReceived.add(response),
+        (Notification notification) => notificationsReceived.add(notification));
+
+    mockSocket.addInvalid('"blat"');
+    mockSocket.addInvalid('{foo:bar}');
+
+    expect(responsesReceived.length, equals(0));
+    expect(notificationsReceived.length, equals(0));
+    expect(mockSocket.responseCount, equals(0));
+  }
+
+  static void invalidJsonToServer() {
+    InvalidJsonMockSocket mockSocket = new InvalidJsonMockSocket();
+    WebSocketServerChannel server = new WebSocketServerChannel(mockSocket);
+    var received = new List();
+    server.listen((Request request) => received.add(request));
+
+    mockSocket.addInvalid('"blat"');
+    mockSocket.addInvalid('{foo:bar}');
+
+    expect(received.length, equals(0));
+    expect(mockSocket.responseCount, equals(2));
+  }
+
+  static void notification() {
+    MockSocket mockSocket = new MockSocket();
+    WebSocketClientChannel client = new WebSocketClientChannel(mockSocket);
+    WebSocketServerChannel server = new WebSocketServerChannel(mockSocket);
+    var responsesReceived = new List();
+    var notificationsReceived = new List();
+    client.listen((Response response) => responsesReceived.add(response),
+        (Notification notification) => notificationsReceived.add(notification));
+
+    server.sendNotification(new Notification('myEvent'));
+
+    expect(responsesReceived.length, equals(0));
+    expect(notificationsReceived.length, equals(1));
+    expect(notificationsReceived.first.runtimeType, equals(Notification));
+    Notification actual = notificationsReceived.first;
+    expect(actual.event, equals('myEvent'));
+  }
+
+  static void request() {
+    MockSocket mockSocket = new MockSocket();
+    WebSocketClientChannel client = new WebSocketClientChannel(mockSocket);
+    WebSocketServerChannel server = new WebSocketServerChannel(mockSocket);
+    var requestsReceived = new List();
+    server.listen((Request request) => requestsReceived.add(request));
+
+    client.sendRequest(new Request('myId', 'aMethod'));
+
+    expect(requestsReceived.length, equals(1));
+    expect(requestsReceived.first.runtimeType, equals(Request));
+    Request actual = requestsReceived.first;
+    expect(actual.id, equals('myId'));
+    expect(actual.method, equals('aMethod'));
+  }
+
+  static void response() {
+    MockSocket mockSocket = new MockSocket();
+    WebSocketClientChannel client = new WebSocketClientChannel(mockSocket);
+    WebSocketServerChannel server = new WebSocketServerChannel(mockSocket);
+    var responsesReceived = new List();
+    var notificationsReceived = new List();
+    client.listen((Response response) => responsesReceived.add(response),
+        (Notification notification) => notificationsReceived.add(notification));
+
+    server.sendResponse(new Response('myId'));
+
+    expect(responsesReceived.length, equals(1));
+    expect(notificationsReceived.length, equals(0));
+    expect(responsesReceived.first.runtimeType, equals(Response));
+    Response actual = responsesReceived.first;
+    expect(actual.id, equals('myId'));
+  }
+}