public void PointToPoint()
{
var dispatcher = new UnicastingDispatcher(provider.GetService <IApplicationContext>());
var latch = new CountdownEvent(1);
var processor1 = new LatchedProcessor(latch);
var processor2 = new LatchedProcessor(latch);
dispatcher.AddHandler(CreateConsumer(processor1));
dispatcher.AddHandler(CreateConsumer(processor2));
dispatcher.Dispatch(Message.Create("test"));
Assert.True(latch.Wait(3000));
Assert.Equal(1, processor1.Counter + processor2.Counter);
}
public void MiddleHandlerReturnsTrue()
{
var dispatcher = new UnicastingDispatcher(provider);
var target1 = new CountingTestEndpoint(false);
var target2 = new CountingTestEndpoint(true);
var target3 = new CountingTestEndpoint(false);
dispatcher.AddHandler(target1);
dispatcher.AddHandler(target2);
dispatcher.AddHandler(target3);
Assert.True(dispatcher.Dispatch(new GenericMessage("test")));
Assert.Equal(2, target1.Counter + target2.Counter + target3.Counter);
}
public void MiddleHandlerReturnsTrue()
{
var dispatcher = new UnicastingDispatcher(provider.GetService <IApplicationContext>());
var target1 = new CountingTestEndpoint(false);
var target2 = new CountingTestEndpoint(true);
var target3 = new CountingTestEndpoint(false);
dispatcher.AddHandler(target1);
dispatcher.AddHandler(target2);
dispatcher.AddHandler(target3);
Assert.True(dispatcher.Dispatch(Message.Create("test")));
Assert.Equal(2, target1.Counter + target2.Counter + target3.Counter);
}
public void NoDuplicateSubscriptions()
{
var dispatcher = new UnicastingDispatcher(provider.GetService <IApplicationContext>());
var target = new CountingTestEndpoint(false);
dispatcher.AddHandler(target);
dispatcher.AddHandler(target);
try
{
dispatcher.Dispatch(Message.Create("test"));
}
catch (Exception)
{
// ignore
}
Assert.Equal(1, target.Counter);
}
public void NoDuplicateSubscriptions()
{
var dispatcher = new UnicastingDispatcher(provider);
var target = new CountingTestEndpoint(false);
dispatcher.AddHandler(target);
dispatcher.AddHandler(target);
try
{
dispatcher.Dispatch(new GenericMessage("test"));
}
catch (Exception)
{
// ignore
}
Assert.Equal(1, target.Counter);
}
public void SingleMessage()
{
var dispatcher = new UnicastingDispatcher(provider.GetService <IApplicationContext>());
var latch = new CountdownEvent(1);
var processor = new LatchedProcessor(latch);
dispatcher.AddHandler(CreateConsumer(processor));
dispatcher.Dispatch(Message.Create("test"));
Assert.True(latch.Wait(500));
}
public void RemoveConsumerBetweenSends()
{
var dispatcher = new UnicastingDispatcher(provider.GetService <IApplicationContext>());
var target1 = new CountingTestEndpoint(false);
var target2 = new CountingTestEndpoint(false);
var target3 = new CountingTestEndpoint(false);
dispatcher.AddHandler(target1);
dispatcher.AddHandler(target2);
dispatcher.AddHandler(target3);
try
{
dispatcher.Dispatch(Message.Create("test1"));
}
catch (Exception)
{
// ignore
}
Assert.Equal(3, target1.Counter + target2.Counter + target3.Counter);
dispatcher.RemoveHandler(target2);
try
{
dispatcher.Dispatch(Message.Create("test2"));
}
catch (Exception)
{
// ignore
}
Assert.Equal(5, target1.Counter + target2.Counter + target3.Counter);
dispatcher.RemoveHandler(target1);
try
{
dispatcher.Dispatch(Message.Create("test3"));
}
catch (Exception)
{
// ignore
}
Assert.Equal(6, target1.Counter + target2.Counter + target3.Counter);
}
public void SingleMessage()
{
var dispatcher = new UnicastingDispatcher(provider);
var latch = new CountdownEvent(1);
var processor = new LatchedProcessor(latch);
dispatcher.AddHandler(CreateConsumer(processor));
dispatcher.Dispatch(new GenericMessage("test"));
Assert.True(latch.Wait(500));
}
public void AllHandlersReturnFalse()
{
var dispatcher = new UnicastingDispatcher(provider.GetService <IApplicationContext>());
var target1 = new CountingTestEndpoint(false);
var target2 = new CountingTestEndpoint(false);
var target3 = new CountingTestEndpoint(false);
dispatcher.AddHandler(target1);
dispatcher.AddHandler(target2);
dispatcher.AddHandler(target3);
try
{
Assert.False(dispatcher.Dispatch(Message.Create("test")));
}
catch (Exception)
{
}
Assert.Equal(3, target1.Counter + target2.Counter + target3.Counter);
}
public void RemoveConsumerBeforeSend()
{
var dispatcher = new UnicastingDispatcher(provider);
var target1 = new CountingTestEndpoint(false);
var target2 = new CountingTestEndpoint(false);
var target3 = new CountingTestEndpoint(false);
dispatcher.AddHandler(target1);
dispatcher.AddHandler(target2);
dispatcher.AddHandler(target3);
dispatcher.RemoveHandler(target2);
try
{
dispatcher.Dispatch(new GenericMessage("test"));
}
catch (Exception)
{
// ignore
}
Assert.Equal(2, target1.Counter + target2.Counter + target3.Counter);
}
public void RemoveConsumerLastTargetCausesDeliveryException()
{
var dispatcher = new UnicastingDispatcher(provider.GetService <IApplicationContext>());
var target1 = new CountingTestEndpoint(false);
dispatcher.AddHandler(target1);
try
{
dispatcher.Dispatch(Message.Create("test1"));
}
catch (Exception)
{
// ignore
}
Assert.Equal(1, target1.Counter);
dispatcher.RemoveHandler(target1);
Assert.Throws <MessageDispatchingException>(() => dispatcher.Dispatch(Message.Create("test2")));
}
public void NoHandlerExhaustion()
{
dispatcher.AddHandler(handlerMock1.Object);
dispatcher.AddHandler(handlerMock2.Object);
dispatcher.AddHandler(handlerMock3.Object);
dispatcher.AddHandler(handlerMock4.Object);
var start = new CountdownEvent(1);
var allDone = new CountdownEvent(TOTAL_EXECUTIONS);
var message = messageMock.Object;
var failed = false;
void MessageSenderTask()
{
try
{
start.Wait();
}
catch (Exception)
{
throw;
}
if (!dispatcher.Dispatch(message))
{
failed = true;
}
allDone.Signal();
}
for (var i = 0; i < TOTAL_EXECUTIONS; i++)
{
Task.Run(MessageSenderTask);
}
start.Signal();
Assert.True(allDone.Wait(10000));
Assert.False(failed);
handlerMock1.Verify((h) => h.HandleMessage(messageMock.Object), Times.Exactly(TOTAL_EXECUTIONS / 4));
handlerMock2.Verify((h) => h.HandleMessage(messageMock.Object), Times.Exactly(TOTAL_EXECUTIONS / 4));
handlerMock3.Verify((h) => h.HandleMessage(messageMock.Object), Times.Exactly(TOTAL_EXECUTIONS / 4));
handlerMock4.Verify((h) => h.HandleMessage(messageMock.Object), Times.Exactly(TOTAL_EXECUTIONS / 4));
}
public void DispatchMessageWithSingleHandler()
{
dispatcher.AddHandler(handlerMock.Object);
dispatcher.Dispatch(messageMock.Object);
handlerMock.Verify((h) => h.HandleMessage(messageMock.Object));
}