public void AddSubsequentRating()
{
var ratings = new List <Rating>
{
new RatingBuilder().WithDefaultValues()
.Stars(1).Build(),
new RatingBuilder().WithDefaultValues()
.Stars(3).Build()
};
var album = new AlbumBuilder()
.WithDefaultValues()
.Ratings(ratings)
.Build();
var newRating = new RatingBuilder()
.WithDefaultValues()
.Stars(4)
.Build();
album.AddRating(newRating);
var expected = (float)(8.0 / 3);
Assert.Equal(expected, album.AverageRating);
}
public void AddFirstRating()
{
var album = new AlbumBuilder()
.WithDefaultValues()
.Build();
var rating = new RatingBuilder()
.WithDefaultValues()
.Stars(4).Build();
album.AddRating(rating);
Assert.Equal(1, album.Ratings.Count);
Assert.Equal(4, album.AverageRating);
}