Hi!
I want to test whether a particular event of a dependency is fired,
and whether certain methods in the object are called. Both are free to
separate easily, but both does not work in a Test. I get the following
exception when creating the PartialMocks:
Rhino.Mocks.Exceptions.ExpectationViolationException:
ICommunicator.add_IsConnected(System.EventHandler); Expected #1,
Actual #0.
ICommunicator.add_IsConnected(any); Expected #1, Actual #0.
This is my Code and my Test:
public class Controller : IDisposable
{
private readonly ICommunicator communicator;
public Controller(ICommunicator communicator)
{
this.communicator = communicator;
ConnectToCommunicatorEvents();
}
internal void ConnectToCommunicatorEvents()
{
communicator.IsConnected +=
Communicator_SendMessageSucceed;
}
internal void Communicator_SendMessageSucceed(object sender,
EventArgs e)
{
SendBlubberMessage();
}
public virtual void SendBlubberMessage()
{
communicator.SendMessage("blubber");
}
public void Dispose()
{
communicator.IsConnected -=
Communicator_SendMessageSucceed;
}
}
public class Communicator : ICommunicator
{
private bool isConnected;
public event EventHandler IsConnected;
public bool Connect(string server)
{
ThrowAnExceptionIfAlreadyConnected();
//do something
isConnected = true;
if (IsConnected != null) IsConnected(this,
EventArgs.Empty);
return true;
}
public bool Disconnect()
{
ThrowAnExceptionIfNotConnected();
//do something
return true;
}
void ICommunicator.SendMessage(string message)
{
ThrowAnExceptionIfNotConnected();
//do something
}
public virtual void ThrowAnExceptionIfAlreadyConnected()
{
if (isConnected) throw new Exception("already
connected!");
}
public virtual void ThrowAnExceptionIfNotConnected()
{
if (!isConnected) throw new Exception("not connected!");
}
}
[Test]
public void
If_Communicator_Event_IsConnected_Was_Fired_Controller_SendBlubberMessage_Is_Called()
{
IEventRaiser eventRaiser;
var mockRepository = new MockRepository();
var communicatorDynamicMock =
mockRepository.DynamicMock<ICommunicator>();
var controllerPartialMock =
mockRepository.PartialMock<Controller>(communicatorDynamicMock);
using (mockRepository.Record())
{
communicatorDynamicMock.IsConnected += null;
eventRaiser =
LastCall.IgnoreArguments().GetEventRaiser();
controllerPartialMock.SendBlubberMessage();
LastCall.Callback(new Func<bool>(() => true));
}
using (mockRepository.Playback())
{
eventRaiser.Raise(null, EventArgs.Empty);
}
}
What am I doing wrong?
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