public async Task UpdateCartItem_EditsTheCartItem_AndAddsTheUpdatedCartItemToCartItemsTable()
{
//Arrange
var myDbContextMoq = new DbContextMock <ShoppingCartContext>(myDummyOptions);
//Create list of CartItems that contains only two Products
myDbContextMoq.CreateDbSetMock(x => x.CartItems, new[]
{
new CartItem {
ProductId = 1, Price = 3, Quantity = 2
},
new CartItem {
ProductId = 2, Price = 2, Quantity = 5
}
});
CartItemDTO testDataDTO = new CartItemDTO()
{
ProductId = 1,
Price = 3,
Quantity = 4 //we updated the Quantity
};
CartItemService service = new CartItemService(myDbContextMoq.Object);
//Act
//for example we want to update first CartItem
await service.UpdateCartItem(testDataDTO);
CartItem cartItmeToBeUpdated = myDbContextMoq.Object.CartItems.FirstOrDefault(x => x.ProductId == 1);
//Assert
//Quantity changed from 2 to 4
Assert.Equal(4, cartItmeToBeUpdated.Quantity);
}
// PUT api/<controller>
public CartItemViewModel Put(CartItemViewModel cartItem)
{
_cartItemService.UpdateCartItem(mapper.Map <CartItemViewModel, CartItem>(cartItem));
return(cartItem);
}