public void Unsubscribe_CountdownNull_ThrowsArgumentNullException()
{
var sub1 = new TestSubscriber1();
Assert.That(() => sub1.Unsubscribe(null),
Throws.ArgumentNullException.
With.Message.EqualTo(nullExceptionMessage));
}
public void Subscribe_NegativeWaitSeconds_ThrowsArgumentException()
{
var sub1 = new TestSubscriber1();
var cd = new Countdown();
Assert.That(() => sub1.Subscribe(cd, -1),
Throws.ArgumentException.
With.Message.EqualTo("You can't wait for negative number of seconds.\r\nParameter name: waitSeconds"));
}
static void Main(string[] args)
{
Countdown cd = new Countdown();
var sub1 = new TestSubscriber1();
var sub2 = new TestSubscriber2();
sub1.Subscribe(cd, 4);
sub2.Subscribe(cd, 2);
cd.SendMessages();
}
public void TestMultipleSubscribersAllReceivingTheMessage()
{
var subscriber1 = new TestSubscriber1();
var subscriber2 = new TestSubscriber1();
MessageBusOf <TestMessage1> .AcceptSubscriber(subscriber1);
MessageBusOf <TestMessage1> .AcceptSubscriber(subscriber2);
MessageBusOf <TestMessage1> .Receive(new TestMessage1());
Assert.IsTrue(subscriber1.handlerWasExecuted);
Assert.IsTrue(subscriber2.handlerWasExecuted);
}
public void TestMultipleBussesNotInterferingWithEachother()
{
var subscriber1 = new TestSubscriber1();
var subscriber2 = new TestSubscriber2();
MessageBusOf <TestMessage1> .AcceptSubscriber(subscriber1);
MessageBusOf <TestMessage2> .AcceptSubscriber(subscriber2);
MessageBusOf <TestMessage2> .Receive(new TestMessage2());
Assert.IsTrue(subscriber2.handlerWasExecuted);
Assert.IsFalse(subscriber1.handlerWasExecuted);
// reset sub2's status
subscriber2.handlerWasExecuted = false;
MessageBusOf <TestMessage1> .Receive(new TestMessage1());
Assert.IsFalse(subscriber2.handlerWasExecuted);
Assert.IsTrue(subscriber1.handlerWasExecuted);
}
