public void only_one_visitor_per_day_per_identifier_is_added()
{
var eventRaisedCount = 0;
DomainEvents.Register<VisitorForFirstTimeInDay>(e => eventRaisedCount++);
var visitor = new Visitor("SomeId");
var today = DateTime.Today;
var atNoon = today.AddHours(12);
var atDinnerTime = today.AddHours(17);
visitor.Visit(today);
visitor.Visit(atNoon);
visitor.Visit(atDinnerTime);
Assert.AreEqual(1,eventRaisedCount);
}
