public void Interceptors_for_only_the_matching_interface_type_can_be_added_and_removed()
{
var mockInterceptor1 = new Mock <IFakeInterceptor1>();
var mockInterceptor2 = new Mock <IFakeInterceptor2>();
var dispatcher = new InternalDispatcher <IFakeInterceptor1>();
dispatcher.Add(mockInterceptor1.Object);
dispatcher.Add(mockInterceptor2.Object);
dispatcher.Dispatch(i => i.CallMe(new DbCommandInterceptionContext <string>()));
mockInterceptor1.Verify(m => m.CallMe(It.IsAny <DbCommandInterceptionContext <string> >()), Times.Once());
mockInterceptor2.Verify(m => m.CallMe(It.IsAny <DbCommandInterceptionContext <string> >()), Times.Never());
dispatcher.Remove(mockInterceptor1.Object);
dispatcher.Remove(mockInterceptor2.Object);
dispatcher.Dispatch(i => i.CallMe(new DbCommandInterceptionContext <string>()));
mockInterceptor1.Verify(m => m.CallMe(It.IsAny <DbCommandInterceptionContext <string> >()), Times.Once());
mockInterceptor2.Verify(m => m.CallMe(It.IsAny <DbCommandInterceptionContext <string> >()), Times.Never());
}
public void Interceptors_can_be_added_removed_and_dispatched_to_concurrently()
{
var interceptors = new ConcurrentStack <InterceptorForThreads>();
var dispatcher = new InternalDispatcher <InterceptorForThreads>();
const int interceptorCount = 20;
const int dispatchCount = 10;
// Add in parallel
ExecuteInParallel(
() =>
{
var interceptor = new InterceptorForThreads();
interceptors.Push(interceptor);
dispatcher.Add(interceptor);
}, interceptorCount);
Assert.Equal(interceptorCount, interceptors.Count);
// Dispatch in parallel
var calledInterceptors = new ConcurrentStack <InterceptorForThreads>();
ExecuteInParallel(() => dispatcher.Dispatch(calledInterceptors.Push), dispatchCount);
Assert.Equal(dispatchCount * interceptorCount, calledInterceptors.Count);
interceptors.Each(i => Assert.Equal(dispatchCount, calledInterceptors.Count(c => c == i)));
var toRemove = new ConcurrentStack <InterceptorForThreads>(interceptors);
// Add, remove, and dispatch in parallel
ExecuteInParallel(
() =>
{
dispatcher.Dispatch(i => { });
InterceptorForThreads interceptor;
toRemove.TryPop(out interceptor);
dispatcher.Remove(interceptor);
dispatcher.Add(interceptor);
}, interceptorCount);
// Dispatch in parallel
calledInterceptors = new ConcurrentStack <InterceptorForThreads>();
ExecuteInParallel(() => dispatcher.Dispatch(calledInterceptors.Push), dispatchCount);
Assert.Equal(dispatchCount * interceptorCount, calledInterceptors.Count);
interceptors.Each(i => Assert.Equal(dispatchCount, calledInterceptors.Count(c => c == i)));
}