public void when_live_processing_and_disconnected_reconnect_keeps_events_ordered()
{
int callCount = 0;
_connection.HandleReadStreamEventsForwardAsync((stream, start, max) =>
{
callCount++;
var taskCompletionSource = new TaskCompletionSource <StreamEventsSlice>();
if (callCount == 1)
{
taskCompletionSource.SetResult(CreateStreamEventsSlice(fromEvent: 0, count: 0, isEnd: true));
}
else if (callCount == 2)
{
taskCompletionSource.SetResult(CreateStreamEventsSlice(fromEvent: 0, count: 0, isEnd: true));
}
return(taskCompletionSource.Task);
});
VolatileEventStoreSubscription volatileEventStoreSubscription = null;
Action <EventStoreSubscription, SubscriptionDropReason, Exception> innerSubscriptionDrop = null;
_connection.HandleSubscribeToStreamAsync((stream, raise, drop) =>
{
innerSubscriptionDrop = drop;
var taskCompletionSource = new TaskCompletionSource <EventStoreSubscription>();
volatileEventStoreSubscription = CreateVolatileSubscription(raise, drop, null);
taskCompletionSource.SetResult(volatileEventStoreSubscription);
return(taskCompletionSource.Task);
});
Assert.That(_subscription.StartAsync().Wait(TimeoutMs));
Assert.That(_raisedEvents.Count, Is.EqualTo(0));
Assert.That(innerSubscriptionDrop, Is.Not.Null);
innerSubscriptionDrop(volatileEventStoreSubscription, SubscriptionDropReason.ConnectionClosed, null);
Assert.That(_dropEvent.Wait(TimeoutMs));
_dropEvent.Reset();
var waitForOutOfOrderEvent = new ManualResetEventSlim();
callCount = 0;
_connection.HandleReadStreamEventsForwardAsync((stream, start, max) =>
{
callCount++;
var taskCompletionSource = new TaskCompletionSource <StreamEventsSlice>();
if (callCount == 1)
{
taskCompletionSource.SetResult(CreateStreamEventsSlice(fromEvent: 0, count: 0, isEnd: true));
}
else if (callCount == 2)
{
Assert.That(waitForOutOfOrderEvent.Wait(TimeoutMs));
taskCompletionSource.SetResult(CreateStreamEventsSlice(fromEvent: 0, count: 1, isEnd: true));
}
return(taskCompletionSource.Task);
});
var event1 = new ClientMessage.ResolvedEvent(new ClientMessage.EventRecord(StreamId, 1, Guid.NewGuid().ToByteArray(), null, 0, 0, null, null, null, null), null, 0, 0);
_connection.HandleSubscribeToStreamAsync((stream, raise, drop) =>
{
var taskCompletionSource = new TaskCompletionSource <EventStoreSubscription>();
VolatileEventStoreSubscription volatileEventStoreSubscription2 = CreateVolatileSubscription(raise, drop, null);
taskCompletionSource.SetResult(volatileEventStoreSubscription);
raise(volatileEventStoreSubscription2, new ResolvedEvent(event1));
return(taskCompletionSource.Task);
});
var reconnectTask = Task.Factory.StartNew(() =>
{
_connection.OnConnected(new ClientConnectionEventArgs(_connection, new IPEndPoint(IPAddress.Any, 1)));
}, TaskCreationOptions.AttachedToParent);
Assert.That(_raisedEventEvent.Wait(100), Is.False);
waitForOutOfOrderEvent.Set();
Assert.That(_raisedEventEvent.Wait(TimeoutMs));
Assert.That(_raisedEvents[0].OriginalEventNumber, Is.EqualTo(0));
Assert.That(_raisedEvents[1].OriginalEventNumber, Is.EqualTo(1));
Assert.That(reconnectTask.Wait(TimeoutMs));
}
public void when_live_processing_and_disconnected_reconnect_keeps_events_ordered()
{
int callCount = 0;
_connection.HandleReadStreamEventsForwardAsync((stream, start, max) =>
{
callCount++;
var taskCompletionSource = new TaskCompletionSource<StreamEventsSlice>();
if (callCount == 1)
{
taskCompletionSource.SetResult(CreateStreamEventsSlice(fromEvent: 0, count: 0, isEnd: true));
}
else if (callCount == 2)
{
taskCompletionSource.SetResult(CreateStreamEventsSlice(fromEvent: 0, count: 0, isEnd: true));
}
return taskCompletionSource.Task;
});
VolatileEventStoreSubscription volatileEventStoreSubscription = null;
Action<EventStoreSubscription, SubscriptionDropReason, Exception> innerSubscriptionDrop = null;
_connection.HandleSubscribeToStreamAsync((stream, raise, drop) =>
{
innerSubscriptionDrop = drop;
var taskCompletionSource = new TaskCompletionSource<EventStoreSubscription>();
volatileEventStoreSubscription = CreateVolatileSubscription(raise, drop, null);
taskCompletionSource.SetResult(volatileEventStoreSubscription);
return taskCompletionSource.Task;
});
Assert.That(_subscription.Start().Wait(TimeoutMs));
Assert.That(_raisedEvents.Count, Is.EqualTo(0));
Assert.That(innerSubscriptionDrop, Is.Not.Null);
innerSubscriptionDrop(volatileEventStoreSubscription, SubscriptionDropReason.ConnectionClosed, null);
Assert.That(_dropEvent.Wait(TimeoutMs));
_dropEvent.Reset();
var waitForOutOfOrderEvent = new ManualResetEventSlim();
callCount = 0;
_connection.HandleReadStreamEventsForwardAsync((stream, start, max) =>
{
callCount++;
var taskCompletionSource = new TaskCompletionSource<StreamEventsSlice>();
if (callCount == 1)
{
taskCompletionSource.SetResult(CreateStreamEventsSlice(fromEvent: 0, count:0, isEnd: true));
}
else if (callCount == 2)
{
Assert.That(waitForOutOfOrderEvent.Wait(TimeoutMs));
taskCompletionSource.SetResult(CreateStreamEventsSlice(fromEvent: 0, count: 1, isEnd: true));
}
return taskCompletionSource.Task;
});
var event1 = new ClientMessage.ResolvedEvent(new ClientMessage.EventRecord(StreamId, 1, Guid.NewGuid().ToByteArray(), null, 0, 0, null, null, null, null), null, 0, 0);
_connection.HandleSubscribeToStreamAsync((stream, raise, drop) =>
{
var taskCompletionSource = new TaskCompletionSource<EventStoreSubscription>();
VolatileEventStoreSubscription volatileEventStoreSubscription2 = CreateVolatileSubscription(raise, drop, null);
taskCompletionSource.SetResult(volatileEventStoreSubscription);
raise(volatileEventStoreSubscription2, new ResolvedEvent(event1));
return taskCompletionSource.Task;
});
var reconnectTask = Task.Factory.StartNew(() =>
{
_connection.OnConnected(new ClientConnectionEventArgs(_connection, new IPEndPoint(IPAddress.Any, 1)));
}, TaskCreationOptions.AttachedToParent);
Assert.That(_raisedEventEvent.Wait(100), Is.False);
waitForOutOfOrderEvent.Set();
Assert.That(_raisedEventEvent.Wait(TimeoutMs));
Assert.That(_raisedEvents[0].OriginalEventNumber, Is.EqualTo(0));
Assert.That(_raisedEvents[1].OriginalEventNumber, Is.EqualTo(1));
Assert.That(reconnectTask.Wait(TimeoutMs));
}
