public async Task GetAsyncReturnsSearchedElement()
{
// Arrange
var films = new List <Film>
{
new Film
{
Rating = 2,
AddedByUser = new CinemaUser {
UserName = "******", Id = "TestId"
},
AddedByUserId = "TestId",
FilmData = new FilmData {
Title = "TestFilmTitle"
},
},
new Film {
Rating = 3
}
}.AsQueryable();
var mockSet = new Mock <DbSet <Film> >();
mockSet.As <IQueryable <Film> >().Setup(m => m.Provider).Returns(films.Provider);
mockSet.As <IQueryable <Film> >().Setup(m => m.Expression).Returns(films.Expression);
mockSet.As <IQueryable <Film> >().Setup(m => m.ElementType).Returns(films.ElementType);
mockSet.As <IQueryable <Film> >().Setup(m => m.GetEnumerator()).Returns(films.GetEnumerator());
var searchedFilm = films.First(x => x.Rating == 2);
var mockContext = new Mock <CinemaDbContext>();
mockContext.Setup(c => c.Films).Returns(mockSet.Object);
mockContext.Setup(s => s.Films.FindAsync(It.IsAny <string>())).
Returns(new ValueTask <Film>(films.FirstOrDefault(y => y.Id == searchedFilm.Id)));
var filmBusiness = new FilmBusiness(mockContext.Object);
// Act
var resultFilm = await filmBusiness.GetAsync(searchedFilm.Id);
// Assert
Assert.AreEqual(searchedFilm.Id, resultFilm.Id, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.Rating, resultFilm.Rating, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.AddedByUser, resultFilm.AddedByUser, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.AddedByUserId, resultFilm.AddedByUserId, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.FilmData, resultFilm.FilmData, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.FilmProjection, resultFilm.FilmProjection, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.FilmReviews, resultFilm.FilmReviews, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.OnWatchlistUsers, resultFilm.OnWatchlistUsers, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.Rating, resultFilm.Rating, "Doesn't return searched element from the film.");
Assert.AreEqual(searchedFilm.Ratings, resultFilm.Ratings, "Doesn't return searched element from the film.");
}