public async Task AddRatingToBook_WithAddingRate_ShoulIncreaseRatingVotes()
{
//Arrange
var db = this.SetDb();
await this.SeedBook(db);
var repo = new Repository <Book>(db);
var service = new BookService(repo, this.Mapper, null);
//Act
await service.AddRatingToBook(2, 5);
await service.AddRatingToBook(2, 3);
var expectedRatingVotes = 2;
var actualRatingVotes = repo.All().SingleOrDefault(p => p.Id == 2).RatingVotes;
//Assert
Assert.Equal(expectedRatingVotes, actualRatingVotes);
}
public async Task AddRatingToBook_WithInValidRate_ShoulThrow()
{
//Arrange
var db = this.SetDb();
await this.SeedBook(db);
var repo = new Repository <Book>(db);
var service = new BookService(repo, this.Mapper, null);
//Act
//Assert
await Assert.ThrowsAsync <InvalidOperationException>(async() => await service.AddRatingToBook(2, 6));
}
public async Task AddRatingToBook_WithValidData_ShouldAddRating()
{
//Arrange
var db = this.SetDb();
await this.SeedBook(db);
var repo = new Repository <Book>(db);
var service = new BookService(repo, this.Mapper, null);
//Act
await service.AddRatingToBook(2, 5);
var expectedRate = 5;
var actualRate = repo.All().SingleOrDefault(p => p.Id == 2).Rating;
//Assert
Assert.Equal(expectedRate, actualRate);
}
