week7-shi

wsup.rb

###CART_CONTROLLER_SPEC
describe "method calls" do 

	before { @product = create(:product) }

	it "new cart is passed current_user" do 
		expect(Cart).to receive(:new).with(@current_user).and_call_original
		patch :remove_product, {id: @product.id}
	end

	it "calls the cart's remove method with product as the parameter" do
		cart = instance_double(Cart)
		allow(Cart).to receive(:new).and_return(cart)
		expect(cart).to receive(:remove).with(@product)
		patch :remove_product, {id: @product.id}
	end

end

###CART CONTROLLER
def remove_product
	@cart = Cart.new(current_user)
	@product = Product.find(params[:id])
	@cart.remove(@product)
	redirect_to "/cart/show"
end