public async Task EditCatItem_Returns_UpdatedCartItem()
{
//Arrange
var moq = new DbContextMock <MyAppDbContext>(dummyOptions);
moq.CreateDbSetMock(x => x.BooksAsCartItems, new[]
{
new BookAsCartItem {
Id = 1, Price = 10, Quantity = 2
},
new BookAsCartItem {
Id = 2, Price = 20, Quantity = 1
}
});
BookAsCartItemDTO cartItemToBeUpdated = new BookAsCartItemDTO()
{
Id = 1,
Quantity = 5 //we updated the Quantity of CartItem with Id 1 (we changed the Quantity from 2 to 5)
};
//Act
BookAsCartItemService service = new BookAsCartItemService(moq.Object);
BookAsCartItem cartItemWithId_1 = moq.Object.BooksAsCartItems.FirstOrDefault(i => i.Id == 1);
await service.EditCartItem(cartItemToBeUpdated);
//Assert
Assert.Equal(5, cartItemWithId_1.Quantity);
}
public async Task RemoveCartItem_DeletesCartItem_FromDatabase()
{
//Arrange
var moq = new DbContextMock <MyAppDbContext>(dummyOptions);
moq.CreateDbSetMock(x => x.BooksAsCartItems, new[]
{
new BookAsCartItem {
Id = 1, Price = 10, Quantity = 2
},
new BookAsCartItem {
Id = 2, Price = 20, Quantity = 1
}
});
//Act
BookAsCartItemService service = new BookAsCartItemService(moq.Object);
BookAsCartItem cartItemToBeDeleted = moq.Object.BooksAsCartItems.FirstOrDefault(i => i.Id == 2);
await service.RemoveCartItem(2);
//Assert
Assert.Equal(1, moq.Object.BooksAsCartItems.Count());
}
public void GetCart_WhenCalled_ReturnsAllCartItems_AndGrandTotalWithDiscount_IfTotalAmountIsAboveThreshold()
{
//Arrange
var moq = new DbContextMock <MyAppDbContext>(dummyOptions);
BookAsCartItem myCartItemOne = new BookAsCartItem()
{
Id = 1,
Price = 50,
Quantity = 2
};
BookAsCartItem myCartItemTwo = new BookAsCartItem()
{
Id = 2,
Price = 60,
Quantity = 1
};
List <BookAsCartItem> All_Books_As_Cart_Items_With_Discount = new List <BookAsCartItem>();
All_Books_As_Cart_Items_With_Discount.Add(myCartItemOne);
All_Books_As_Cart_Items_With_Discount.Add(myCartItemTwo);
moq.CreateDbSetMock(x => x.Carts, new[]
{
//When Total amount is more than 100 dollors then we have 10% discount
new ShoppingCart {
Id = 1, AllBooksInsideCart = All_Books_As_Cart_Items_With_Discount, Total = 160, Discount = 16, GrandTotal = 144
}
});
//Act
ShoppingCartService service = new ShoppingCartService(moq.Object);
var my_Cart = service.GetCart();
//Assert
Assert.NotNull(my_Cart);
}
public async Task CreateCartItem(BookAsCartItemDTO favoriteBook)
{
BookAsCartItem chosenBook = new BookAsCartItem()
{
Id = favoriteBook.Id,
Book = favoriteBook.Book,
Price = favoriteBook.Price,
Quantity = favoriteBook.Quantity,
};
_context.BooksAsCartItems.Add(chosenBook);
await _context.SaveChangesAsync();
await _context.BooksAsCartItems.Include(i => i.Book).Include(c => c.Book.Category).ToListAsync();
favoriteBook.Id = chosenBook.Id;
favoriteBook.Book = chosenBook.Book;//Book will not be null in postman
}
