public void When_disposing_one_of_the_hubs()
{
var hub1 = new MessageHub();
var hub2 = new MessageHub();
var totalMessages = new List <string>();
hub1.RegisterGlobalHandler((type, msg) => totalMessages.Add((string)msg));
hub2.RegisterGlobalHandler((type, msg) => totalMessages.Add((string)msg));
var hub1Messages = new List <string>();
var hub2Messages = new List <string>();
hub1.Subscribe <string>(x => hub1Messages.Add(x));
hub2.Subscribe <string>(x => hub2Messages.Add(x));
hub1.Publish("A");
hub2.Publish("B");
hub2.Publish("C");
hub1.Dispose();
Should.Throw <ObjectDisposedException>(() => hub1.Publish("C"))
.Message.ShouldBe("Cannot access a disposed object.\r\nObject name: 'The ThreadLocal object has been disposed.'.");
hub2.Publish("D");
totalMessages.ShouldBe(new[] { "A", "B", "C", "D" });
hub1Messages.ShouldBe(new[] { "A" });
hub2Messages.ShouldBe(new[] { "B", "C", "D" });
hub2.Dispose();
}
public void When_testing_multiple_subscribers_with_publisher_on_current_thread()
{
var hub = new MessageHub();
hub.ClearSubscriptions();
var queueOne = new List <string>();
var queueTwo = new List <string>();
Action <string> subscriberOne = msg => queueOne.Add("Sub1-" + msg);
Action <string> subscriberTwo = msg => queueTwo.Add("Sub2-" + msg);
hub.Subscribe(subscriberOne);
hub.Subscribe(subscriberTwo);
hub.Publish("MessageA");
queueOne.Count.ShouldBe(1);
queueTwo.Count.ShouldBe(1);
queueOne[0].ShouldBe("Sub1-MessageA");
queueTwo[0].ShouldBe("Sub2-MessageA");
hub.Publish("MessageB");
queueOne.Count.ShouldBe(2);
queueTwo.Count.ShouldBe(2);
queueOne[1].ShouldBe("Sub1-MessageB");
queueTwo[1].ShouldBe("Sub2-MessageB");
}
private void KeyboardListenerOnKeyPressed(object?sender, KeyboardEventArgs e)
{
if (e.Key == Keys.Escape)
{
messageHub.Publish(new ExitGameMessage());
}
}
public void When_testing_multiple_subscribers_with_filters_and_publisher_on_current_thread()
{
var hub = new MessageHub();
hub.ClearSubscriptions();
var queueOne = new List <string>();
var queueTwo = new List <string>();
var predicateOne = new Predicate <string>(x => x.Length > 3);
var predicateTwo = new Predicate <string>(x => x.Length < 3);
Action <string> subscriberOne = msg =>
{
if (predicateOne(msg))
{
queueOne.Add("Sub1-" + msg);
}
};
Action <string> subscriberTwo = msg =>
{
if (predicateTwo(msg))
{
queueTwo.Add("Sub2-" + msg);
}
};
hub.Subscribe(subscriberOne);
hub.Subscribe(subscriberTwo);
hub.Publish("MessageA");
queueOne.Count.ShouldBe(1);
queueTwo.Count.ShouldBe(0);
queueOne[0].ShouldBe("Sub1-MessageA");
hub.Publish("MA");
queueTwo.Count.ShouldBe(1);
queueOne.Count.ShouldBe(1);
queueTwo[0].ShouldBe("Sub2-MA");
hub.Publish("MMM");
queueOne.Count.ShouldBe(1);
queueTwo.Count.ShouldBe(1);
hub.Publish("MessageB");
queueOne.Count.ShouldBe(2);
queueTwo.Count.ShouldBe(1);
queueOne[1].ShouldBe("Sub1-MessageB");
hub.Publish("MB");
queueTwo.Count.ShouldBe(2);
queueOne.Count.ShouldBe(2);
queueTwo[1].ShouldBe("Sub2-MB");
}
public void When_using_multiple_hubs()
{
var hub1 = new MessageHub();
var hub2 = new MessageHub();
var totalMessages = new List <string>();
hub1.RegisterGlobalHandler((type, msg) => totalMessages.Add((string)msg));
hub2.RegisterGlobalHandler((type, msg) => totalMessages.Add((string)msg));
var hub1Messages = new List <string>();
var hub2Messages = new List <string>();
hub1.Subscribe <string>(x => hub1Messages.Add(x));
hub2.Subscribe <string>(x => hub2Messages.Add(x));
hub1.Publish("A");
hub2.Publish("B");
hub2.Publish("C");
totalMessages.ShouldBe(new [] { "A", "B", "C" });
hub1Messages.ShouldBe(new [] { "A" });
hub2Messages.ShouldBe(new [] { "B", "C" });
hub1.Dispose();
hub2.Dispose();
}
public void When_subscribing_handlers_with_one_throwing_exception()
{
var hub = new MessageHub();
var queue = new List <string>();
var totalMsgs = new List <string>();
var errors = new List <KeyValuePair <Guid, Exception> >();
hub.RegisterGlobalHandler((type, msg) =>
{
type.ShouldBe(typeof(string));
msg.ShouldBeOfType <string>();
totalMsgs.Add((string)msg);
});
hub.RegisterGlobalErrorHandler(
(token, e) => errors.Add(new KeyValuePair <Guid, Exception>(token, e)));
Action <string> subscriberOne = msg => queue.Add("Sub1-" + msg);
Action <string> subscriberTwo = msg => { throw new InvalidOperationException("Ooops-" + msg); };
Action <string> subscriberThree = msg => queue.Add("Sub3-" + msg);
hub.Subscribe(subscriberOne);
var subTwoToken = hub.Subscribe(subscriberTwo);
hub.Subscribe(subscriberThree);
hub.Publish("A");
Action <string> subscriberFour = msg => { throw new InvalidCastException("Aaargh-" + msg); };
var subFourToken = hub.Subscribe(subscriberFour);
hub.Publish("B");
queue.Count.ShouldBe(4);
queue[0].ShouldBe("Sub1-A");
queue[1].ShouldBe("Sub3-A");
queue[2].ShouldBe("Sub1-B");
queue[3].ShouldBe("Sub3-B");
totalMsgs.Count.ShouldBe(2);
totalMsgs.ShouldContain(msg => msg == "A");
totalMsgs.ShouldContain(msg => msg == "B");
errors.Count.ShouldBe(3);
errors.ShouldContain(err =>
err.Value.GetType() == typeof(InvalidOperationException) &&
err.Value.Message == "Ooops-A" &&
err.Key == subTwoToken);
errors.ShouldContain(err =>
err.Value.GetType() == typeof(InvalidOperationException) &&
err.Value.Message == "Ooops-B" &&
err.Key == subTwoToken);
errors.ShouldContain(err =>
err.Value.GetType() == typeof(InvalidCastException) &&
err.Value.Message == "Aaargh-B" &&
err.Key == subFourToken);
}
public void When_testing_global_on_message_event()
{
var hub = new MessageHub();
hub.ClearSubscriptions();
var msgOne = 0;
hub.RegisterGlobalHandler((type, msg) =>
{
type.ShouldBe(typeof(string));
msg.ShouldBeOfType <string>();
msgOne++;
});
hub.Publish("A");
msgOne.ShouldBe(1);
hub.ClearSubscriptions();
hub.Publish("B");
msgOne.ShouldBe(2);
var msgTwo = 0;
hub.RegisterGlobalHandler((type, msg) =>
{
type.ShouldBe(typeof(string));
msg.ShouldBeOfType <string>();
msgTwo++;
});
hub.RegisterGlobalHandler((type, msg) =>
{
type.ShouldBe(typeof(string));
msg.ShouldBeOfType <string>();
msgTwo++;
});
hub.Publish("C");
msgTwo.ShouldBe(1);
hub.RegisterGlobalHandler((type, msg) =>
{
type.ShouldBe(typeof(string));
msg.ShouldBeOfType <string>();
// do nothing with the message
});
hub.Publish("D");
msgOne.ShouldBe(2, "No handler would increment this value");
msgTwo.ShouldBe(1, "No handler would increment this value");
}
public void Test_publish_message_to_messagebus()
{
//Arrange
_mockMessageBus.Setup(b => b.Publish(It.IsAny <string>(), It.IsAny <string>(), null)).Verifiable();
//Act
_messageHub.Publish("trace", "{foo:blah}");
//Assert
_mockMessageBus.VerifyAll();
}
public void PublishWithStrongReference_ReturnsMessagePublished()
{
var messages = new List <SimpleMessageMock>();
_messageHub.Subscribe <SimpleMessageMock>(messages.Add);
var message = new SimpleMessageMock(this);
_messageHub.Publish(message);
Assert.IsTrue(messages.Any());
Assert.AreEqual(message, messages.First());
}
public static List <Person> People = new List <Person>(); //记录客户端
public void Register(string username)
{
ICallBackServices client = OperationContext.Current.GetCallbackChannel <ICallBackServices>();
string sessionid = OperationContext.Current.SessionId;
OperationContext.Current.Channel.Closing += new EventHandler(Channel_Closing);//注册客户端关闭触发事件
Person p = new Person(username, sessionid, client);
People.Add(p);
hubadd.Publish("刷新");
p.CallBackmessage.Myname(p);
}
public void Handlers_survive_exceptions()
{
var handler = new ThrowingHandler();
var hub = new MessageHub();
hub.Subscribe(handler);
hub.Publish(new InheritedMessage());
Assert.Equal(1, handler.Handled);
hub.Publish(new InheritedMessage());
Assert.Equal(2, handler.Handled);
}
private EventBasedNetListener CreateServerListener()
{
var serverListener = new EventBasedNetListener();
serverListener.ConnectionRequestEvent += request => { request.Accept(); };
serverListener.PeerConnectedEvent += OnPeerConnected;
serverListener.NetworkReceiveEvent += (peer, reader, method) => {
// Console.WriteLine("Server received: {0}", reader.GetString(100));
if (reader.TryGetByte(out var b))
{
switch ((NetMessageType)b)
{
case NetMessageType.FullGameStateAck:
statusByPeer[peer] = PeerStatus.Joined;
break;
case NetMessageType.JoinGameRequest: {
var msg = serializer.Deserialize <JoinGameNetMessage>(reader.GetRemainingBytes());
OnPlayerJoining(peer, msg.PlayerCount);
break;
}
case NetMessageType.PlayerInputs: {
var msg = serializer.Deserialize <InputUpdateNetMessage>(reader.GetRemainingBytes());
messageHub.Publish(new ReceivedInputMessage(msg.PlayerNumber, msg.Input));
break;
}
}
}
};
serverListener.PeerDisconnectedEvent += (peer, info) => {
Console.WriteLine("Peer disconnected {0}, {1}", peer, info);
messageHub.Publish(new PlayerLeftMessage(peer.Id));
};
serverListener.NetworkReceiveUnconnectedEvent += (endPoint, reader, type) => {
if (endPoint.AddressFamily == AddressFamily.InterNetwork && type == UnconnectedMessageType.Broadcast)
{
if (reader.TryGetByte(out var b))
{
switch ((NetMessageType)b)
{
case NetMessageType.ListServersRequest: {
netServer.SendUnconnectedMessage(new[] { (byte)NetMessageType.ListServersResponse }, endPoint);
break;
}
}
}
}
};
return(serverListener);
}
/// <summary>
/// Called when [user interface loaded].
/// </summary>
/// <param name="payload">The payload.</param>
/// <returns></returns>
private async Task OnUserInterfaceLoaded(object payload)
{
try
{
IsUserInterfaceEnabled = false;
MessageHub.Publish(MessageNames.StatusAvailable, "Loading Pictures . . .");
var pictures = await StoreProvider.RetrievePictureHeadersAsync();
foreach (var p in pictures)
{
PictureHeaders.Add(p);
}
MessageHub.Publish(MessageNames.StatusAvailable, "Ready");
}
catch (Exception ex)
{
// We send a status message to the hub but it should really be an Error message of its own type
MessageHub.Publish(MessageNames.StatusAvailable, $"Error: {ex.Message}");
}
finally
{
IsUserInterfaceEnabled = true;
}
}
public void Publishes_to_multicast_handlers()
{
var hub = new MessageHub();
var baseCalled = 0;
var inheritedCalled = 0;
void Handler1(BaseMessage e)
{
baseCalled++;
}
void Handler2(InheritedMessage e)
{
inheritedCalled++;
}
hub.Subscribe((Action <BaseMessage>)Handler1);
hub.Subscribe((Action <InheritedMessage>)Handler2);
// one handler, many events (by virtue of class hierarchy)
var sent = hub.Publish(new InheritedMessage {
Id = 123, Value = "ABC"
});
Assert.True(sent);
Assert.Equal(1, inheritedCalled);
Assert.Equal(1, baseCalled);
}
public void Can_subscribe_with_multiple_hierarchical_consumers()
{
var hub = new MessageHub();
var handler1 = new ManifoldHierarchicalMessageHandler();
var handler2 = new ManifoldHierarchicalMessageHandler();
var handler3 = new ManifoldHierarchicalMessageHandler();
hub.Subscribe <IMessage>(handler1);
hub.Subscribe <BaseMessage>(handler2);
hub.Subscribe <InheritedMessage>(handler3);
var sent = hub.Publish(new InheritedMessage());
Assert.True(sent);
Assert.Equal(1, handler1.HandledInterface);
Assert.Equal(0, handler1.HandledBase);
Assert.Equal(0, handler1.HandledInherited);
Assert.Equal(0, handler2.HandledInterface);
Assert.Equal(1, handler2.HandledBase);
Assert.Equal(0, handler2.HandledInherited);
Assert.Equal(0, handler3.HandledInterface);
Assert.Equal(0, handler3.HandledBase);
Assert.Equal(1, handler3.HandledInherited);
}
public static void HubMultiplePublisherSingleSubscriberAndGlobalAuditHandler()
{
long globalCount = 0;
long result = 0;
var hub = new MessageHub();
hub.RegisterGlobalHandler((type, msg) => Interlocked.Increment(ref globalCount));
Action <string> subscriber = msg => Interlocked.Increment(ref result);
hub.Subscribe(subscriber);
var sw = Stopwatch.StartNew();
Action action = () =>
{
while (sw.Elapsed < Duration)
{
hub.Publish("Hello there!");
}
};
Parallel.Invoke(action, action, action, action, action);
Console.WriteLine($"Result is: {result:n0} Time Taken: {sw.Elapsed}");
}
/// <summary>
/// Called when [selected picture header].
/// </summary>
/// <param name="payload">The payload.</param>
/// <returns></returns>
private async Task OnSelectedPictureHeader(object payload)
{
try
{
IsUserInterfaceEnabled = false;
var picHeader = payload as PictureHeaderViewModel;
MessageHub.Publish(MessageNames.StatusAvailable, $"Loading selected {picHeader.Name}, Taken on {picHeader.DateTakenUtc}");
if (picHeader == null)
{
return;
}
// Save the picture before switching it.
if (CurrentPicture != null)
{
await StoreProvider.AddOrUpdatePictureAsync(CurrentPicture);
}
CurrentPicture = await StoreProvider.LoadPictureAsync(picHeader.PictureId);
MessageHub.Publish(MessageNames.StatusAvailable, "Ready");
}
catch (Exception ex)
{
// We send a status message to the hub but it should really be an Error message of its own type
MessageHub.Publish(MessageNames.StatusAvailable, $"Error: {ex.Message}");
}
finally
{
IsUserInterfaceEnabled = true;
}
}
public void When_subscribing_same_handler_multiple_times()
{
var hub = new MessageHub();
var totalMsgCount = 0;
hub.RegisterGlobalHandler((type, msg) =>
{
type.ShouldBe(typeof(string));
msg.ShouldBeOfType <string>();
Interlocked.Increment(ref totalMsgCount);
});
var queue = new ConcurrentQueue <string>();
Action <string> subscriber = msg => queue.Enqueue(msg);
var tokenOne = hub.Subscribe(subscriber);
var tokenTwo = hub.Subscribe(subscriber);
hub.IsSubscribed(tokenOne);
hub.IsSubscribed(tokenTwo);
hub.Publish("A");
queue.Count.ShouldBe(2);
totalMsgCount.ShouldBe(1);
}
public void Should_send_to_other_clients_when_one_fails()
{
// One client may throw in OnNext, but observable should not fail and continue sending
WithCheckpointStorageService(storageService =>
{
var hubContext = Substitute.For <IHubContext <CheckpointsHub> >();
var log = new List <string>();
hubContext.Clients.Client("con1")
.SendCoreAsync(Arg.Any <string>(), Arg.Any <object[]>())
.ThrowsForAnyArgs(x => new ArgumentOutOfRangeException())
.AndDoes(info => log.Add("thrown"));
hubContext.Clients.Client("con2")
.SendCoreAsync("Checkpoint", Arg.Any <object[]>())
.Returns(Task.CompletedTask)
.AndDoes(info => log.Add(info.ArgAt <object[]>(1)
.OfType <Checkpoint[]>().First()[0].RiderId));
var ds = new DistributionService(hubContext, MessageHub, storageService);
ds.StartStream("con1", DateTime.UtcNow);
ds.StartStream("con2", DateTime.UtcNow);
MessageHub.Publish(new Checkpoint("r1", Constants.DefaultUtcDate));
new Timing().Logger(Logger).Expect(() => log.Count >= 2);
log[0].Should().Be("thrown");
log[1].Should().Be("r1");
});
}
public static void HubSinglePublisherMultipleSubscriberThrottled()
{
long counter = 0;
var messageAgg = new MessageHub();
messageAgg.RegisterGlobalHandler((type, msg) =>
{
Console.WriteLine($"Global: {DateTime.UtcNow:hh:mm:ss.fff} - {msg.ToString()}");
});
Action <long> subscriber = msg =>
{
Console.WriteLine($"Subscriber: {DateTime.UtcNow:hh:mm:ss.fff} - {msg.ToString()}");
};
messageAgg.Subscribe(subscriber, TimeSpan.FromSeconds(1));
var sw = Stopwatch.StartNew();
while (sw.Elapsed < Duration)
{
messageAgg.Publish(counter++);
Thread.Sleep(100);
}
}
public void When_testing_multiple_subscribers_with_one_subscriber_unsubscribing_then_resubscribing()
{
var totalMessages = 0;
var hub = new MessageHub();
hub.ClearSubscriptions();
hub.RegisterGlobalHandler((type, msg) =>
{
type.ShouldBe(typeof(string));
msg.ShouldBeOfType <string>();
Interlocked.Increment(ref totalMessages);
});
var queue = new List <string>();
Action <string> subscriberOne = msg => queue.Add("Sub1-" + msg);
Action <string> subscriberTwo = msg => queue.Add("Sub2-" + msg);
var tokenOne = hub.Subscribe(subscriberOne);
hub.Subscribe(subscriberTwo);
hub.Publish("A");
queue.Count.ShouldBe(2);
queue[0].ShouldBe("Sub1-A");
queue[1].ShouldBe("Sub2-A");
hub.Unsubscribe(tokenOne);
hub.Publish("B");
queue.Count.ShouldBe(3);
queue[2].ShouldBe("Sub2-B");
hub.Subscribe(subscriberOne);
hub.Publish("C");
queue.Count.ShouldBe(5);
queue[3].ShouldBe("Sub2-C");
queue[4].ShouldBe("Sub1-C");
Thread.Sleep(TimeSpan.FromSeconds(1));
totalMessages.ShouldBe(3);
}
public void Publishes_to_multicast_handlers_with_interfaces_with_concrete_consumer()
{
var handler = new IncrementingHandler();
var hub = new MessageHub();
hub.Subscribe(handler);
hub.Publish(new InheritedMessage());
Assert.Equal(1, handler.Handled);
}
public void When_publishing_with_no_subscribers()
{
var hub = new MessageHub();
Should.NotThrow(() => hub.Publish(TimeSpan.FromTicks(1234)));
string result = null;
hub.RegisterGlobalHandler((type, msg) =>
{
type.ShouldBe(typeof(string));
msg.ShouldBeOfType <string>();
result = msg as string;
});
hub.Publish("654321");
result.ShouldBe("654321");
}
void Start()
{
if (continuesSpawn)
{
StartCoroutine(StartSpawmDelay(startDelay));
}
MessageHub.Publish(new NewSpawner(this));
}
public void Spawn()
{
var spawnPosition = transform.position;
spawnPosition.z += 1;
var obj = Instantiate(objToSpawn, spawnPosition, Quaternion.identity) as GameObject;
MessageHub.Publish(new NewSpawnEvent(this, obj));
ExecuteEvents.Execute <ISpawnerMessageTarget>(transform.gameObject, null, (x, y) => x.NewSpawn(obj));
}
public void Handlers_can_return_false_safely()
{
var handler = new FailingHandler();
var hub = new MessageHub();
hub.Subscribe(handler);
var result = hub.Publish(new InheritedMessage());
Assert.Equal(1, handler.Handled);
Assert.False(result);
}
public void PublishMessageWhenUnsubscribed_MessageNotPublished()
{
var hub = new MessageHub();
var list = new List <SimpleMessageMock>();
var message = new SimpleMessageMock(this);
var token = hub.Subscribe <SimpleMessageMock>(list.Add);
hub.Unsubscribe <SimpleMessageMock>(token);
hub.Publish(message);
Assert.IsFalse(list.Any());
}
public void Can_handle_error_with_callback()
{
var errors = 0;
var hub = new MessageHub();
var sent = false;
// SubscribeWithDelegate:
{
hub.Subscribe <InheritedMessage>(e => throw new Exception(), (m, ex) => { errors++; });
object @event = new InheritedMessage {
Id = 123, Value = "ABC"
};
sent = hub.Publish(@event);
Assert.False(sent, "publishing an exception should bubble as false to the publish result");
Assert.Equal(1, errors);
}
// Subscribe (manifold):
{
var handler = new ManifoldHierarchicalMessageHandler();
hub.Subscribe(handler, (m, ex) => { errors++; });
sent = hub.Publish(new ErrorMessage {
Error = true
});
Assert.False(sent);
Assert.Equal(2, errors);
}
// SubscribeWithInterface:
{
hub.Subscribe(new ThrowingHandler());
sent = hub.Publish(new ErrorMessage {
Error = true
});
Assert.False(sent);
Assert.Equal(3, errors);
}
}
public void When_testing_single_subscriber_with_publisher_on_current_thread()
{
var hub = new MessageHub();
hub.ClearSubscriptions();
var queue = new List <string>();
Action <string> subscriber = msg => queue.Add(msg);
hub.Subscribe(subscriber);
hub.Publish("MessageA");
queue.Count.ShouldBe(1);
queue[0].ShouldBe("MessageA");
hub.Publish("MessageB");
queue.Count.ShouldBe(2);
queue[1].ShouldBe("MessageB");
}
public void Can_publish_events_by_type()
{
var handled = 0;
var hub = new MessageHub();
hub.Subscribe <InheritedMessage>(e => handled++);
object @event = new InheritedMessage {
Id = 123, Value = "ABC"
};
var sent = hub.Publish(@event);
Assert.True(sent, "did not send event to a known subscription");
Assert.Equal(1, handled);
}
