public void NullMethod()
{
EventBrokerService service = new EventBrokerService();
SpyEventSink sink = new SpyEventSink();
Assert.Throws <ArgumentNullException>(delegate
{
service.RegisterSink(sink, null, "MyEvent");
});
}
public void NullEventID()
{
EventBrokerService service = new EventBrokerService();
SpyEventSink sink = new SpyEventSink();
MethodInfo sinkMethod = sink.GetType().GetMethod("MySink");
Assert.Throws <ArgumentNullException>(delegate
{
service.RegisterSink(sink, sinkMethod, null);
});
}
public void InvalidMethodSignature()
{
EventBrokerService service = new EventBrokerService();
SpyEventSink sink = new SpyEventSink();
MethodInfo sinkMethod = sink.GetType().GetMethod("NonSinkMethod");
Assert.Throws <ArgumentException>(delegate
{
service.RegisterSink(sink, sinkMethod, "MyEvent");
});
}
public void ExceptionsAreCollectedAndRethrown()
{
EventBrokerService service = new EventBrokerService();
SpyEventSource source = new SpyEventSource();
ExceptionThrowingSink sink1 = new ExceptionThrowingSink();
ExceptionThrowingSink sink2 = new ExceptionThrowingSink();
EventInfo sourceEvent = source.GetType().GetEvent("MySource");
MethodInfo sinkMethod = sink1.GetType().GetMethod("MySink");
service.RegisterSink(sink1, sinkMethod, "MyEvent");
service.RegisterSink(sink2, sinkMethod, "MyEvent");
service.RegisterSource(source, sourceEvent, "MyEvent");
EventBrokerException ex =
Assert.Throws <EventBrokerException>(delegate
{
source.InvokeMySource();
});
Assert.Equal(2, ex.Exceptions.Count);
}
public void RegistrationSourceFirst()
{
EventBrokerService service = new EventBrokerService();
SpyEventSource source = new SpyEventSource();
SpyEventSink sink = new SpyEventSink();
EventInfo sourceEvent = source.GetType().GetEvent("MySource");
MethodInfo sinkMethod = sink.GetType().GetMethod("MySink");
service.RegisterSource(source, sourceEvent, "MyEvent");
service.RegisterSink(sink, sinkMethod, "MyEvent");
source.InvokeMySource();
Assert.Equal(source.SourceText, sink.EventValue);
}
public void SinksAreStoredWithWeakReferences()
{
EventBrokerService service = new EventBrokerService();
MethodInfo sinkMethod = typeof(ExceptionThrowingSink).GetMethod("MySink");
service.RegisterSink(new ExceptionThrowingSink(), sinkMethod, "MyEvent");
GC.Collect();
GC.WaitForPendingFinalizers();
Assert.DoesNotThrow(delegate
{
service.Fire("MyEvent", this, new EventArgs <string>("Hello world"));
});
}
public void UnregisterSinkUnwiresHandler()
{
EventBrokerService service = new EventBrokerService();
SpyEventSource source = new SpyEventSource();
SpyEventSink sink = new SpyEventSink();
EventInfo sourceEvent = source.GetType().GetEvent("MySource");
MethodInfo sinkMethod = sink.GetType().GetMethod("MySink");
service.RegisterSource(source, sourceEvent, "MyEvent");
service.RegisterSink(sink, sinkMethod, "MyEvent");
service.UnregisterSink(sink, "MyEvent");
source.InvokeMySource();
Assert.False(sink.WasCalled);
}
public override object BuildUp(IBuilderContext context,
object buildKey,
object existing)
{
IEventBrokerPolicy policy = context.Policies.Get <IEventBrokerPolicy>(buildKey);
EventBrokerService service = context.Locator.Get <EventBrokerService>();
if (policy != null && service != null)
{
foreach (KeyValuePair <string, MethodInfo> kvp in policy.Sinks)
{
service.RegisterSink(existing, kvp.Value, kvp.Key);
}
foreach (KeyValuePair <string, EventInfo> kvp in policy.Sources)
{
service.RegisterSource(existing, kvp.Value, kvp.Key);
}
}
return(base.BuildUp(context, buildKey, existing));
}
