public void CheckSubscribeThenUnsubscribeShouldNotReceivedEvent()
{
// Arrange
var eventAggregator = new EventAggregator();
var source = new EventSource(eventAggregator);
var receiver = new EventReceiver(eventAggregator);
var data = EventData.Random();
// Act
var unsubscriber = receiver.Subscribe();
unsubscriber.Dispose();
source.Emit(data);
receiver.Wait();
// Assert
Assert.False(receiver.EventReceived);
Assert.Null(receiver.Data);
// Cleanup
eventAggregator.Dispose();
receiver.Dispose();
}
public void CheckSubscribeThenPublishFromAnotherThreadShouldReceiveEvent()
{
// Arrange
var eventAggregator = new EventAggregator();
var source = new EventSource(eventAggregator);
var receiver = new EventReceiver(eventAggregator);
var data = EventData.Random();
// Act
var unsubscriber = receiver.Subscribe();
Task.Run(() =>
{
source.Emit(data);
});
receiver.Wait();
// Assert
Assert.True(receiver.EventReceived);
Assert.Equal(data, receiver.Data);
Assert.Equal(data.TestGuid, receiver.Data.TestGuid);
Assert.Equal(data.TestInteger, receiver.Data.TestInteger);
Assert.Equal(data.TestStr, receiver.Data.TestStr);
// Cleanup
unsubscriber.Dispose();
eventAggregator.Dispose();
receiver.Dispose();
}
public void CheckDisposeWithSingleSubscriberShouldNotRaiseException()
{
// Arrange
var eventAggregator = new EventAggregator();
eventAggregator.Subscribe <FakeEventArgs>(e => { /* Empty handler */ });
// Act
eventAggregator.Dispose();
}
public void CheckSubscribeNullHandlerShouldRaiseException()
{
// Arrange
var eventAggregator = new EventAggregator();
// Act
Action action = () => eventAggregator.Subscribe <FakeEventArgs>(null);
// Assert
Assert.Throws <ArgumentNullException>(action);
// Cleanup
eventAggregator.Dispose();
}
public void Dispose()
{
if (_aggregator != null)
{
_aggregator.Dispose();
_aggregator = null;
}
if (_scheduler != null)
{
_scheduler.Dispose();
_scheduler = null;
}
}
private bool disposedValue = false; // 要检测冗余调用
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
// TODO: 释放托管状态(托管对象)。
eventPublisher.Dispose();
}
// TODO: 释放未托管的资源(未托管的对象)并在以下内容中替代终结器。
// TODO: 将大型字段设置为 null。
disposedValue = true;
}
}
public void CheckSubscribeWithExceptionInHandlerShouldNotRaiseException()
{
// Arrange
var eventAggregator = new EventAggregator();
var source = new EventSource(eventAggregator);
var receiver = new EventReceiver(eventAggregator, () => throw new Exception("Test"));
var data = EventData.Random();
// Act
var unsubscriber = receiver.Subscribe();
source.Emit(data);
// Cleanup
unsubscriber.Dispose();
eventAggregator.Dispose();
receiver.Dispose();
}
public void CheckSubscriberWithoutPublisherShouldNotReceivedEvent()
{
// Arrange
var eventAggregator = new EventAggregator();
var receiver = new EventReceiver(eventAggregator);
// Act
var unsubscriber = receiver.Subscribe();
receiver.Wait();
// Assert
Assert.False(receiver.EventReceived);
Assert.Null(receiver.Data);
// Cleanup
unsubscriber.Dispose();
eventAggregator.Dispose();
receiver.Dispose();
}
public void CheckTwoSubscribersShouldReceiveSameEvent()
{
// Arrange
var eventAggregator = new EventAggregator();
var source = new EventSource(eventAggregator);
var firstReceiver = new EventReceiver(eventAggregator);
var secondReceiver = new EventReceiver(eventAggregator);
var data = EventData.Random();
// Act
var firstUnsubscriber = firstReceiver.Subscribe();
var secondUnsubscriber = secondReceiver.Subscribe();
source.Emit(data);
firstReceiver.Wait();
secondReceiver.Wait();
// Assert
Assert.True(firstReceiver.EventReceived);
Assert.Equal(data, firstReceiver.Data);
Assert.Equal(data.TestGuid, firstReceiver.Data.TestGuid);
Assert.Equal(data.TestInteger, firstReceiver.Data.TestInteger);
Assert.Equal(data.TestStr, firstReceiver.Data.TestStr);
Assert.True(secondReceiver.EventReceived);
Assert.Equal(data, secondReceiver.Data);
Assert.Equal(data.TestGuid, secondReceiver.Data.TestGuid);
Assert.Equal(data.TestInteger, secondReceiver.Data.TestInteger);
Assert.Equal(data.TestStr, secondReceiver.Data.TestStr);
// Cleanup
firstUnsubscriber.Dispose();
secondUnsubscriber.Dispose();
eventAggregator.Dispose();
firstReceiver.Dispose();
secondReceiver.Dispose();
}
public void CheckLongRunningHandlerShouldNotBlockOtherHandler()
{
// Arrange
var timerElapsed = new ManualResetEventSlim(false);
var timer = new Timer(
_ =>
{
timerElapsed.Set();
},
null,
1000,
0);
var eventAggregator = new EventAggregator();
var source = new EventSource(eventAggregator);
var firstReceiver = new EventReceiver(eventAggregator, () =>
{
timerElapsed.Wait();
});
var secondReceiver = new EventReceiver(eventAggregator);
var data = EventData.Random();
// Act
var firstUnsubscriber = firstReceiver.Subscribe();
var secondUnsubscriber = secondReceiver.Subscribe();
source.Emit(data);
firstReceiver.Wait();
secondReceiver.Wait();
// Assert
Assert.False(firstReceiver.EventReceived);
Assert.True(secondReceiver.EventReceived);
Assert.Null(firstReceiver.Data);
Assert.Equal(data, secondReceiver.Data);
Assert.Equal(data.TestGuid, secondReceiver.Data.TestGuid);
Assert.Equal(data.TestInteger, secondReceiver.Data.TestInteger);
Assert.Equal(data.TestStr, secondReceiver.Data.TestStr);
firstReceiver.Wait(1000);
Assert.True(firstReceiver.EventReceived);
Assert.Equal(data, firstReceiver.Data);
Assert.Equal(data.TestGuid, firstReceiver.Data.TestGuid);
Assert.Equal(data.TestInteger, firstReceiver.Data.TestInteger);
Assert.Equal(data.TestStr, firstReceiver.Data.TestStr);
// Cleanup
firstUnsubscriber.Dispose();
secondUnsubscriber.Dispose();
eventAggregator.Dispose();
firstReceiver.Dispose();
secondReceiver.Dispose();
timer.Dispose();
timerElapsed.Dispose();
}