public async Task WishlistRepository_AddBookToUserWishlist()
{
// arrange
//Constants to compare user and book with test results.
const string username = "******";
const string bookName = "Test Book";
const string authorName = "The Author";
long isbn;
const int userId = 1;
const int bookId = 1;
using var contextFactory = new TestLooseLeafContextFactory();
// Add in foreign key / required database data. Wishlist requires a user and a book type to exist in the database.
using (LooseLeafContext arrangeContext = contextFactory.CreateContext())
{
await contextFactory.CreateUser(arrangeContext, username);
isbn = await contextFactory.CreateBook(arrangeContext, bookName, authorName);
await arrangeContext.SaveChangesAsync();
}
// act
using (LooseLeafContext actContext = contextFactory.CreateContext())
{
// Create Repository
IWishlistRepository wishlistRepository = new WishlistRepository(actContext);
// Test repository method
await wishlistRepository.AddBookToUserWishlist(userId, bookId);
await actContext.SaveChangesAsync();
}
// assert
// Create a new context to ensure that data was saved to database.
using LooseLeafContext assertContext = contextFactory.CreateContext();
var wishlist = await assertContext.Wishlists.Include(w => w.User).Include(w => w.Book).SingleAsync();
// assert that the book and user are the same as one added to the wishlist.
Assert.Equal(username, wishlist.User.Username);
Assert.Equal(bookName, wishlist.Book.Title);
Assert.Equal(authorName, wishlist.Book.Author);
}
