public async Task GetAsyncReturnsElementFromDb()
{
// Arrange
var reviews = new List <FilmReview>
{
new FilmReview {
},
new FilmReview {
}
}.AsQueryable();
var mockSet = new Mock <DbSet <FilmReview> >();
mockSet.As <IQueryable <FilmReview> >().Setup(m => m.Provider).Returns(reviews.Provider);
mockSet.As <IQueryable <FilmReview> >().Setup(m => m.Expression).Returns(reviews.Expression);
mockSet.As <IQueryable <FilmReview> >().Setup(m => m.ElementType).Returns(reviews.ElementType);
mockSet.As <IQueryable <FilmReview> >().Setup(m => m.GetEnumerator()).Returns(reviews.GetEnumerator());
var mockContext = new Mock <CinemaDbContext>();
mockContext.Setup(c => c.FilmReviews).Returns(mockSet.Object);
mockContext.Setup(c => c.FilmReviews.FindAsync(It.IsAny <string>())).
Returns(new ValueTask <FilmReview>(reviews.First()));
var filmReviewBusiness = new FilmReviewBusiness(mockContext.Object);
// Act
var filmReview = await filmReviewBusiness.GetAsync(reviews.First().Id);
// Assert
Assert.AreEqual(reviews.First().Id, filmReview.Id, "Doesn't return the searched review from database");
}
public async Task AddAsyncAddsElementToDb()
{
// Arrange
var reviews = new List <FilmReview>
{
new FilmReview {
},
new FilmReview {
}
}.AsQueryable();
var mockSet = new Mock <DbSet <FilmReview> >();
mockSet.As <IQueryable <FilmReview> >().Setup(m => m.Provider).Returns(reviews.Provider);
mockSet.As <IQueryable <FilmReview> >().Setup(m => m.Expression).Returns(reviews.Expression);
mockSet.As <IQueryable <FilmReview> >().Setup(m => m.ElementType).Returns(reviews.ElementType);
mockSet.As <IQueryable <FilmReview> >().Setup(m => m.GetEnumerator()).Returns(reviews.GetEnumerator());
var mockContext = new Mock <CinemaDbContext>();
mockContext.Setup(c => c.FilmReviews).Returns(mockSet.Object);
mockContext.Setup(m => m.AddAsync(It.IsAny <FilmReview>(), It.IsAny <CancellationToken>()))
.Returns(new ValueTask <EntityEntry <FilmReview> >(Task.FromResult((EntityEntry <FilmReview>)null)));
var filmReviewBusiness = new FilmReviewBusiness(mockContext.Object);
var mapper = new Mapper();
var filmReview = new FilmReview {
};
// Act
await filmReviewBusiness.AddAsync(filmReview);
// Assert
mockSet.Verify(m => m.AddAsync(It.IsAny <FilmReview>(), It.IsAny <CancellationToken>()), Times.Once());
mockContext.Verify(m => m.SaveChangesAsync(It.IsAny <CancellationToken>()), Times.Once());
}