public void ListConstructedBy_IEnumerableOfRankedShowConstructor_ShouldHaveValid_PercentileRanks()
{
// Arrange
var shows = new List <RankedShow>();
shows.Add(new RankedShow
{
Name = "show1",
Rank = 2
});
shows.Add(new RankedShow
{
Name = "show2",
Rank = 1
});
shows.Add(new RankedShow
{
Name = "show3",
Rank = 3
});
// Act
var showList = new RankedShowList(shows);
// Assert
for (var i = 0; i < 3; i++)
{
var expected = showList.GetPercentileRankAtIndex(i);
var actual = showList[i].PercentileRank;
Assert.Equal(expected, actual);
}
}
public void GetPercentileRankAtIndexMethod_ShouldCorrectlyCalculate_ThePercentileRankOfEachShow()
{
var showList = new RankedShowList();
var showsInList = 3;
for (var i = 0; i < showsInList; i++)
{
showList.Add(new RankedShow());
}
for (var i = 0; i < showsInList; i++)
{
Assert.Equal(1 - (1 / ((double)(showsInList + 1))) * (i + 1), showList.GetPercentileRankAtIndex(i));
}
}
public void EachShowsPercentileRank_ShouldMatchValue_FromGetPercentileRankAtIndex()
{
var showList = new RankedShowList();
var showsInList = 3;
for (var i = 0; i < showsInList; i++)
{
showList.Add(new RankedShow());
}
for (var i = 0; i < showsInList; i++)
{
var expected = showList.GetPercentileRankAtIndex(i);
var actual = showList[i].PercentileRank;
Assert.Equal(expected, actual);
}
}
public void AfterReplaceAll_EachShowsPercentileRank_ShouldMatchValue_FromGetPercentileRankAtIndex()
{
// Arrange
var showList = new RankedShowList();
var showsInList = 3;
for (var i = 0; i < showsInList; i++)
{
showList.Add(new RankedShow());
}
var replacementList = new List <RankedShow>();
replacementList.Add(new RankedShow
{
Name = "show1",
Rank = 2
});
replacementList.Add(new RankedShow
{
Name = "show2",
Rank = 1
});
replacementList.Add(new RankedShow
{
Name = "show3",
Rank = 3
});
// Act
showList.ReplaceAll(replacementList);
// Assert
for (var i = 0; i < 3; i++)
{
var expected = showList.GetPercentileRankAtIndex(i);
var actual = showList[i].PercentileRank;
Assert.Equal(expected, actual);
}
}