public void EventTrackerHasZeroEvents_CalculateFailed()
{
//arrange
var userId = Guid.NewGuid();
var tracker = new EventTracker(Guid.NewGuid(), Guid.NewGuid(), "Tracker name",
new TrackerCustomizationSettings());
var(events, _) = CreateEventsWithRating(tracker.Id, userId, 0);
_eventRepository.AddRangeOfEvents(events);
var allEvents = _eventRepository.LoadAllTrackerEvents(tracker.Id);
//act
var fact = new AverageRatingCalculator().Calculate(allEvents, tracker, _now)
.ConvertTo <AverageRatingTrackerFact>();
//assert
Assert.True(fact.IsNone);
}
public void EventTrackerHasOnlyRatingEvents_CalculateSuccess()
{
//arrange
var userId = Guid.NewGuid();
var tracker = CreateTrackerWithDefaultCustomization(userId);
var(events, ratings) =
CreateEventsWithRating(tracker.Id, userId, _rand.Next() % 10 + MinEventForCalculation);
_eventRepository.AddRangeOfEvents(events);
var allEvents = _eventRepository.LoadAllTrackerEvents(tracker.Id);
//act
var fact = new AverageRatingCalculator().Calculate(allEvents, tracker, _now)
.ConvertTo <AverageRatingTrackerFact>().ValueUnsafe();
//assert
Assert.AreEqual(Math.Sqrt(ratings.Average()), fact.Priority);
Assert.AreEqual(ratings.Average(), fact.AverageRating);
}
