static void Main(string[] args)
{
//Create the chain links
Approver jennifer = new HeadChef();
Approver mitchell = new PurchasingManager();
Approver olivia = new GeneralManager();
//Create the chain
jennifer.SetSupervisor(mitchell);
mitchell.SetSupervisor(olivia);
// Generate and process purchase requests
var p = new PurchaseOrder(1, 20, 69, "Spices");
jennifer.ProcessRequest(p);
p = new PurchaseOrder(2, 300, 1389, "Fresh Veggies");
jennifer.ProcessRequest(p);
p = new PurchaseOrder(3, 500, 4823.99, "Beef");
jennifer.ProcessRequest(p);
p = new PurchaseOrder(4, 4, 12099, "Ovens");
jennifer.ProcessRequest(p);
// Wait for user
Console.ReadKey();
}
public void AprroveOrder_With_Design()
{
//Create the chain links
Approver jennifer = new HeadChef();
Approver mitchell = new PurchasingManager();
Approver olivia = new GeneralManager();
//Create the chain can be change at runtime
jennifer.SetSupervisor(mitchell);
mitchell.SetSupervisor(olivia);
// Generate and process purchase requests
var p = new PurchaseOrder(2, 300, 1389, "Fresh Veggies");
//Act
jennifer.ValidatePurchaseOrder(p);
//Assert
Assert.True(p.HasbeenValidated);
}