public void SetUpContextAndDbSet()
{
//Mock DbSet<ShoppingCartProduct> to return data when called
//Create a test ShoppingCartProduct to be Assigned to Product Two
var testShoppingCartProduct = new ShoppingCartProduct { Id = 1, ProductId = 2, ShoppingCartId = 1, Quantity = 1 };
//Set up a shopping cart product dataset
var shoppingCartData = new List<ShoppingCartProduct>() {
testShoppingCartProduct
}.AsQueryable();
mockShoppingCartProductSet = new Mock<DbSet<ShoppingCartProduct>>();
mockShoppingCartProductSet.As<IQueryable<ShoppingCartProduct>>().Setup(m => m.Provider).Returns(shoppingCartData.Provider);
mockShoppingCartProductSet.As<IQueryable<ShoppingCartProduct>>().Setup(m => m.Expression).Returns(shoppingCartData.Expression);
mockShoppingCartProductSet.As<IQueryable<ShoppingCartProduct>>().Setup(m => m.ElementType).Returns(shoppingCartData.ElementType);
mockShoppingCartProductSet.As<IQueryable<ShoppingCartProduct>>().Setup(m => m.GetEnumerator()).Returns(shoppingCartData.GetEnumerator());
//Create a test Product and assign it testShoppingCartProduct created eralier
var productTwo = new Product { Id = 2, Name = "Product Two", PriceInEur = 1.00M };
productTwo.ShoppingCartProducts = new List<ShoppingCartProduct>();
productTwo.ShoppingCartProducts.Add(testShoppingCartProduct);
testShoppingCartProduct.Product = new Product();
testShoppingCartProduct.Product = productTwo;
//Set up product dataset
var productData = new List<Product>
{
new Product { Id = 1, Name = "Product One", PriceInEur = 10.00M },
productTwo,
new Product { Id = 3, Name = "Product Three", PriceInEur = 8.00M },
new Product { Id = 4, Name = "Product Four", PriceInEur = 2.00M },
}.AsQueryable();
//Mock the DbSet and set up it configurations
mockProductSet = new Mock<DbSet<Product>>();
mockProductSet.As<IQueryable<Product>>().Setup(m => m.Provider).Returns(productData.Provider);
mockProductSet.As<IQueryable<Product>>().Setup(m => m.Expression).Returns(productData.Expression);
mockProductSet.As<IQueryable<Product>>().Setup(m => m.ElementType).Returns(productData.ElementType);
mockProductSet.As<IQueryable<Product>>().Setup(m => m.GetEnumerator()).Returns(productData.GetEnumerator());
//Mock the database context
this.mockContext = new Mock<ShoppingCartContext>();
this.mockContext.Setup(c => c.Products).Returns(mockProductSet.Object);
this.mockContext.Setup(c => c.ShoppingCartProducts).Returns(mockShoppingCartProductSet.Object);
}
public ShoppingCartProductResponse AddShoppingCartProduct(ShoppingCartProductRequest request)
{
ShoppingCartProductResponse response = new ShoppingCartProductResponse();
try
{
ShoppingCartProduct dbShoppingCartProduct = shoppingCartProductRepository.FindShoppingCartProduct(this.shoppingCartId, request.ProductId);
//If entry exists, update existing
if (dbShoppingCartProduct != null)
{
dbShoppingCartProduct.Quantity += request.Quantity;
}
//Else create a new one. Skip if quantity is set to zero.
else if(request.Quantity != 0)
{
ShoppingCartProduct newShoppingCartProduct = new ShoppingCartProduct()
{
ProductId = request.ProductId
,ShoppingCartId = this.shoppingCartId
,Quantity = request.Quantity
};
shoppingCartProductRepository.Add(newShoppingCartProduct);
}
shoppingCartProductRepository.Commit();
}
catch (Exception ex)
{
response.Exception = ex;
}
return response;
}