public void UnSubscribeNotSubscribed()
{
var subscriber = new SubscriberOne();
MessageAggregator.Instance.UnSubscribe(subscriber);
Assert.AreEqual(0, MessageAggregator.Instance.Subscriptions.Count);
}
public void DoubleSubscribeToMessage()
{
var subscriberOne = new SubscriberOne();
MessageAggregator.Instance.Subscribe(subscriberOne);
MessageAggregator.Instance.Subscribe(subscriberOne);
Assert.AreEqual(1, MessageAggregator.Instance.Subscriptions.Count);
}
public void PublishMessage()
{
var subscriber = new SubscriberOne();
MessageAggregator.Instance.Subscribe(subscriber);
MessageAggregator.Instance.Publish(new MessageOne("hello"));
Assert.AreEqual("hello", subscriber.Content);
Assert.AreEqual(1, subscriber.CountOfEvents);
}
public void PublishTwoMessages()
{
var subscriberOne1 = new SubscriberOne();
var subscriberOne2 = new SubscriberOne();
var subscriberTwo1 = new SubscriberTwo();
var subscriberTwo2 = new SubscriberTwo();
MessageAggregator.Instance.Subscribe(subscriberOne1);
MessageAggregator.Instance.Subscribe(subscriberOne2);
MessageAggregator.Instance.Subscribe(subscriberTwo1);
MessageAggregator.Instance.Subscribe(subscriberTwo2);
Assert.AreEqual(0, subscriberOne1.CountOfEvents);
Assert.AreEqual(0, subscriberOne2.CountOfEvents);
Assert.AreEqual(0, subscriberTwo1.CountOfEvents);
Assert.AreEqual(0, subscriberTwo2.CountOfEvents);
MessageAggregator.Instance.Publish(new MessageOne("hello"));
Assert.AreEqual(1, subscriberOne1.CountOfEvents);
Assert.AreEqual(1, subscriberOne2.CountOfEvents);
Assert.AreEqual(0, subscriberTwo1.CountOfEvents);
Assert.AreEqual(0, subscriberTwo2.CountOfEvents);
MessageAggregator.Instance.Publish(new MessageTwo(3));
Assert.AreEqual("hello", subscriberOne1.Content);
Assert.AreEqual("hello", subscriberOne2.Content);
Assert.AreEqual(3, subscriberTwo1.Content);
Assert.AreEqual(3, subscriberTwo2.Content);
Assert.AreEqual(1, subscriberOne1.CountOfEvents);
Assert.AreEqual(1, subscriberOne2.CountOfEvents);
Assert.AreEqual(1, subscriberTwo1.CountOfEvents);
Assert.AreEqual(1, subscriberTwo2.CountOfEvents);
}