public void AverageFriendsCountForEachPerson_CorrectlyCalculatedAverageFriendsCount_ReturnsExactValue()
{
var dataSetId = Guid.NewGuid();
AddFriendship(dataSetId, new List <Friend>()
{
new Friend(), new Friend()
});
AddFriendship(dataSetId, new List <Friend>()
{
new Friend()
});
AddFriendship(dataSetId, new List <Friend>()
{
new Friend(), new Friend()
});
var result = _manager.AverageFriendsCountForEachPerson(dataSetId);
Assert.That(result, Is.EqualTo(1.67));
}
public JsonResult ShowStatistics(Guid dataSetId)
{
var dataSet = DataSetManager.Get(dataSetId);
int totalUsersCount = StatisticsManager.FriendsCountInDataSet(dataSetId);
double averageFriendsCount = StatisticsManager.AverageFriendsCountForEachPerson(dataSetId);
var model = new DataSetStatisticsModel()
{
DataSetName = dataSet.Name,
TotalUsersCount = totalUsersCount,
AverageFriendCountForUser = averageFriendsCount,
Success = (totalUsersCount != -1 && averageFriendsCount != -1)
};
return(Json(model));
}