public void WhenTheHandlerExecutes(IEventFactory eventFactory, AddPremiumCommand addPremiumCommand)
{
var expectedEvent = Substitute.For <IEvent>();
var target = new AddPremiumCommandHandler(eventFactory);
var contextId = Guid.NewGuid();
eventFactory.Create(contextId, Arg.Is <AddPremiumData>(data =>
data.PremiumId == addPremiumCommand.PremiumId &&
ExceptionHelpers.ExecuteSuccessfully(() => ValidateAddPremium(addPremiumCommand, data)))).Returns(expectedEvent);
var result = target.Execute(contextId, addPremiumCommand);
Assert.Contains(expectedEvent, result);
}
