public async void CanCreateObservableSubscription()
{
var callbackMonitor = ChatClient.ConfigureMonitorForOnWebsocketConnected();
await ChatClient.InitializeWebsocketConnection();
callbackMonitor.Should().HaveBeenInvokedWithPayload();
Debug.WriteLine("creating subscription stream");
var observable = ChatClient.CreateSubscriptionStream <MessageAddedSubscriptionResult>(_subscriptionRequest);
Debug.WriteLine("subscribing...");
using var observer = observable.Observe();
await observer.Should().PushAsync(1);
observer.RecordedMessages.Last().Data.MessageAdded.Content.Should().Be(InitialMessage.Content);
const string message1 = "Hello World";
var response = await ChatClient.AddMessageAsync(message1);
response.Data.AddMessage.Content.Should().Be(message1);
await observer.Should().PushAsync(2);
observer.RecordedMessages.Last().Data.MessageAdded.Content.Should().Be(message1);
const string message2 = "lorem ipsum dolor si amet";
response = await ChatClient.AddMessageAsync(message2);
response.Data.AddMessage.Content.Should().Be(message2);
await observer.Should().PushAsync(3);
observer.RecordedMessages.Last().Data.MessageAdded.Content.Should().Be(message2);
// disposing the client should throw a TaskCanceledException on the subscription
ChatClient.Dispose();
await observer.Should().CompleteAsync();
}
