public virtual void OnDelete(BookModel book)
{
if (book == null)
{
return;
}
using (var context = new BookContext())
{
LibraryDb = new BookLibraryDb(context);
LibraryDb.DeleteBook(book.BookId);
}
}
public void DeleteBook_DeletesBook_ViaContextTest()
{
//--Arrange
var mockSet = new Mock <DbSet <BookModel> >();
var data = Data.AsQueryable();
mockSet.As <IQueryable <BookModel> >().Setup(m => m.Provider).Returns(data.Provider);
mockSet.As <IQueryable <BookModel> >().Setup(m => m.Expression).Returns(data.Expression);
mockSet.As <IQueryable <BookModel> >().Setup(m => m.ElementType).Returns(data.ElementType);
mockSet.As <IQueryable <BookModel> >().Setup(m => m.GetEnumerator()).Returns(data.GetEnumerator());
var mockContext = new Mock <BookContext>();
var library = new BookLibraryDb(mockContext.Object);
//--Act
mockContext.Setup(m => m.Books).Returns(mockSet.Object);
library.DeleteBook(9999);
//--Assert
mockSet.Verify(m => m.Remove(It.IsAny <BookModel>()), Times.Once);
mockContext.Verify(m => m.SaveChanges(), Times.Once);
}