public void CancelTaskNotifyTaskCanceled()
{
this.Configuration.PredefineResult(null, c => c.GetPollingQueueKey(typeof(FakeTask)));
Guid taskId = this.TaskProcessorFacade.SubmitTask(new FakeTask());
this.TaskProcessorFacade.MessageBus.Tasks.Receiver.SubscribeForChannels(MessageBusChannel.TaskCancelRequest);
TaskEventEventArgs args = Helpers.WaitForEvent <TaskEventEventArgs>(
TimeSpan.FromSeconds(1),
handler => this.TaskProcessorFacade.MessageBus.Tasks.Receiver.TaskCancelRequested += handler,
() => this.TaskProcessorFacade.CancelTask(taskId));
Assert.AreEqual(taskId, args.TaskId);
}
public virtual void RaiseTaskFailed()
{
Guid taskId = Guid.NewGuid();
DateTime timestamp = DateTime.UtcNow;
this.Receiver.SubscribeForChannels(MessageBusChannel.TaskFailed);
TaskEventEventArgs args = Helpers.WaitForEvent <TaskEventEventArgs>(
this.Timeout,
handler => this.Receiver.TaskFailed += handler,
() => this.Sender.NotifyTaskFailed(taskId, timestamp, Guid.NewGuid(), false, "Hello Error"));
Assert.AreEqual(taskId, args.TaskId);
Assert.AreEqual(timestamp, args.TimestampUtc);
}
public void RaiseTaskCancelRequest()
{
Guid taskId = Guid.NewGuid();
DateTime timestampUtc = DateTime.UtcNow;
this.Receiver.SubscribeForChannels(MessageBusChannel.TaskCancelRequest);
TaskEventEventArgs args = Helpers.WaitForEvent <TaskEventEventArgs>(
this.Timeout,
handler => this.Receiver.TaskCancelRequested += handler,
() => this.Sender.NotifyTaskCancelRequest(taskId, timestampUtc));
Assert.AreEqual(taskId, args.TaskId);
Assert.AreEqual(timestampUtc, args.TimestampUtc);
}
public virtual void RaiseTaskCancelCompletedAfterUnsubscribeFromAllChannelsExcept()
{
Guid taskId = Guid.NewGuid();
DateTime timestamp = DateTime.UtcNow;
this.Receiver.SubscribeForChannels(MessageBusChannel.TaskCancelCompleted);
this.Receiver.UnsubscribeFromAllChannelsExcept(MessageBusChannel.TaskCancelCompleted);
TaskEventEventArgs args = Helpers.WaitForEvent <TaskEventEventArgs>(
this.Timeout,
handler => this.Receiver.TaskCancelCompleted += handler,
() => this.Sender.NotifyTaskCancelCompleted(taskId, timestamp, Guid.NewGuid(), false));
Assert.AreEqual(taskId, args.TaskId);
Assert.AreEqual(timestamp, args.TimestampUtc);
}
private void OnTaskCancelCompleted(object sender, TaskEventEventArgs e)
{
TaskViewModel taskViewModel = this.taskProcessors
.SelectMany(p => p.ActiveTasks)
.Concat(this.pendingTasks)
.FirstOrDefault(t => t.TaskId == e.TaskId);
if (taskViewModel == null)
{
return;
}
App.Current.Dispatcher.InvokeAsync(() =>
{
taskViewModel.Status = TaskStatus.Canceled.ToString();
taskViewModel.CompletedUtc = e.TimestampUtc;
});
}
private void OnTaskFailed(object sender, TaskEventEventArgs e)
{
TaskViewModel taskViewModel = this.taskProcessors
.SelectMany(p => p.ActiveTasks)
.Concat(this.pendingTasks)
.FirstOrDefault(t => t.TaskId == e.TaskId);
ITaskRuntimeInfo taskInfo = this.repository.TaskRuntimeInfo.GetById(e.TaskId);
if ((taskInfo == null) || (taskViewModel == null))
{
return;
}
App.Current.Dispatcher.InvokeAsync(() =>
{
taskViewModel.Status = TaskStatus.Failed.ToString();
taskViewModel.CompletedUtc = e.TimestampUtc;
taskViewModel.Error = taskInfo.Error;
});
}