public void ReceiveTelemetryMessage_ExpectTelemetryMessageStored()
{
EventAggregatorMock eventAggregatorMock = new EventAggregatorMock();
eventAggregatorMock.AddPubSubEvent <TelemetryUpdateEvent, TelemetryUpdateEventArgs>();
IEventAggregator eventAggregator = eventAggregatorMock;
ITelemetryReceiver telemetryReceiver = Substitute.For <ITelemetryReceiver>();
MainViewModel mainViewModel = new MainViewModel(eventAggregator, telemetryReceiver);
ActivityLogViewModel activityLogViewModel = mainViewModel.ActivityLogViewModel;
ReceivedTelemetryEventArgs eventArgs = new ReceivedTelemetryEventArgs(
telemetryType: FAILURE_MESSAGE_TYPE,
message: FAILURE_MESSAGE,
sender: FAILURE_MESSAGE_SENDER,
receiver: FAILURE_MESSAGE_RECEIVER,
timestamp: DateTime.Now);
mainViewModel.StartReceiveNotificationsCommand.Execute();
telemetryReceiver.NotificationReceived += Raise.EventWith(this, eventArgs);
Assert.AreEqual(RECEIVE_MESSAGES_COUNT, activityLogViewModel.Activities.Count);
Assert.AreEqual(FAILURE_MESSAGE_TYPE, activityLogViewModel.Activities.First().EventType);
Assert.AreEqual(FAILURE_MESSAGE_SENDER, activityLogViewModel.Activities.First().Sender);
Assert.AreEqual(FAILURE_MESSAGE, activityLogViewModel.Activities.First().Message);
}
private void HandleOnNotificationReceivedTimerTick(object state)
{
// there should be actual business logic for receiving data from NASA servers,
// but that is just testing example application, so just generate messages randomly
TelemetryEventType argsType = (TelemetryEventType)(_random.Next() % 4);
var args = new ReceivedTelemetryEventArgs(
argsType,
_perNotificationEventTypeMessages[argsType],
MESSAGES_SENDER,
MESSAGES_RECEIVER,
DateTime.Now);
NotificationReceived?.Invoke(this, args);
}
