public void DeleteGenreAsyncThrowsArgumentExceptionWhenGivenInvalidId()
{
var genres = new List <Genre>();
var mockGenreRepo = new Mock <IGenresRepository>();
mockGenreRepo.Setup(x => x.All()).Returns(genres.AsQueryable());
var service = new GenresService(mockGenreRepo.Object);
Assert.ThrowsAsync <ArgumentException>(() => service.DeleteGenre("ivan"));
}
public async Task DeleteGenreAsyncWorksCorrectly()
{
var genres = new List <Genre>();
var mockGenreRepo = new Mock <IGenresRepository>();
mockGenreRepo.Setup(x => x.All()).Returns(genres.AsQueryable());
mockGenreRepo.Setup(x => x.Delete(It.IsAny <Genre>())).Callback((Genre genre) => genres.Remove(genre));
genres.Add(new Genre()
{
Id = "test123",
Name = "ivan"
});
var service = new GenresService(mockGenreRepo.Object);
await service.DeleteGenre("test123");
Assert.Empty(genres);
}