The test for the case described by Neil (http://blog.gravityfree.ca/2007/03/raising-events-in-nmock-20.html, I’ve put a comment there as well) would go as

[Test]
public void ShouldLoadAccountsIntoViewOnPageLoad()
{
var mockery = new Mockery();
var view = (IAccountSummaryView)mockery.NewMock(typeof(IAccountSummaryView));
Expect.Once.On(view).EventAdd(”Load”);
Expect.Once.On(view).Method(”Display”).With(Is.Anything);

var presenter = new AccountSummaryPresenter(view);
Fire.Event(”Load”).On(view).With(null, null);

mockery.VerifyAllExpectationsHaveBeenMet();
}

On a general note – unfortunately, nMock is no longer supported. Those of us who really like the expectations DSL and syntax of nMock are probably better off moving over to NMock2.

Or choose Rhino Mocks or Moq or Typemock Isolator

Cheers,
Andrew