¿Cómo uso Moq para probar llamadas a NServiceBus IBus.Publish()?

Question

El código siguiente se compila, ejecuta, hace exactamente lo que estoy esperando - la GreetingPublisher llama bus.Publish() cuando se eleva el caso - pero la configuración Moq no está siendo igualada:

using Moq; 
using NServiceBus; 
using NUnit.Framework; 

namespace MyProject.Greetifier.Tests { 
    [TestFixture] 
    public class GreetingPublisher_Bus_Integration_Tests { 
     [Test] 
     public void Greeting_Is_Published_To_Bus() { 
      var mockGreeter = new Mock<IGreeter>(); 
      var mockBus = new Mock<IBus>(); 
      mockBus.Setup(bus => bus.Publish<IMessage>(It.IsAny<IMessage>())) 
        .Verifiable(); 
      var Greetifier = new GreetingPublisher(mockGreeter.Object, 
                mockBus.Object); 
      mockGreeter.Raise(m => m.Greet += null, "world"); 
      mockBus.Verify(); 
     } 
    } 

    public class HelloMessage : IMessage { 
     public string Name { get; set; } 
     public HelloMessage(string name) { this.Name = name; } 

    } 

    public class GreetingPublisher { 
     private readonly IGreeter greeter; 
     private readonly IBus bus; 

     public GreetingPublisher(IGreeter greeter, IBus bus) { 
      this.greeter = greeter; 
      greeter.Greet += handleGreetEvent; 
      this.bus = bus; 
     } 

     void handleGreetEvent(string name) { 
      bus.Publish(new HelloMessage(name)); 
     } 
    } 

    public delegate void GreetingEvent(string name); 

    public interface IGreeter { 
     event GreetingEvent Greet; 
    } 
} 

y cuando ejecutando la prueba, obtengo:

Test 'MyProject.Greetifier.Tests.GreetingPublisher_Bus_Integration_Tests.Greeting_Is_Published_To_Bus' failed: 
Moq.MockVerificationException : The following setups were not matched: 
IBus bus => bus.Publish<IMessage>(new[] { It.IsAny<IMessage>() }) 
at Moq.Mock.Verify() 
D:\Projects\MyProject\src\MyProject.Greetifier.Tests\Program.cs(15,0): MyProject.Greetifier.Tests.GreetingPublisher_Bus_Integration_Tests.Greeting_Is_Published_To_Bus() 

¿Echo de menos algo obvio?

Answer 1

Si lo veo correctamente, su código llama al IBus.Publish<HelloMessage> y no a IBus.Publish<IMessage>.

(EDIT: He sustituido

mockBus.Setup(bus => bus.Publish<IMessage>(It.IsAny<IMessage>())) 
       .Verifiable(); 

con:

mockBus.Setup(bus => bus.Publish<HelloMessage>(It.IsAny<HelloMessage>())) 
       .Verifiable(); 

y funciona como se esperaba - Dylan)