public void CanInstallHandlersInTheContainer() { using (IWindsorContainer container = new WindsorContainer()) { //This line just forces the domain events lib to be loaded, and handlers available in the app domain. IProcessEvents proc = new DailyActivityEventProcessor(new Mock <IRepository <DailyActivity> >().Object); container.Install(new HandlerInstaller(), new RepositoryInstaller()); ProcessStarted started = new ProcessStarted(Guid.NewGuid(), Guid.NewGuid()); var handlerType = typeof(IHandleEvent <>).MakeGenericType(started.GetType()); IEnumerable <dynamic> handlers = container.ResolveAll(handlerType).Cast <dynamic>(); Assert.IsNotNull(handlers); Assert.AreEqual(2, handlers.Count()); var handler = handlers.FirstOrDefault(o => o.GetType() == typeof(DailyActivityEventProcessor)); Assert.IsNotNull(handler); } }