public void VendingDoesHaveEnoughChangeTest()
{
Customer customer = new Customer("customer");
Coin coin = new Coin(10);
Coin coin1 = new Coin(5);
customer.Wallet.AddItem(coin);
customer.Wallet.AddItem(coin1);
VendingMachine vmachine = new VendingMachine("vmachine");
GoodsItem item = new GoodsItem(7, "green tea");
vmachine.GoodsStorage.AddItem(item);
customer.InsertCoin(coin, vmachine);
customer.InsertCoin(coin1, vmachine);
vmachine.SellTheItem(item, customer);
Assert.AreEqual(15, customer.Wallet.MoneyAmount, "customer wallet");
Assert.AreEqual(0, customer.GoodsStorage.GoodsCount, "customer goods storage");
Assert.AreEqual(0, vmachine.Wallet.MoneyAmount, "vm wallet");
Assert.AreEqual(1, vmachine.GoodsStorage.GoodsCount, "vm goods storage");
}
public void VendingReturnChangeTest()
{
Customer customer = new Customer("customer");
Coin coin = new Coin(10);
Coin coin1 = new Coin(10);
customer.Wallet.AddItem(coin);
customer.Wallet.AddItem(coin1);
VendingMachine vmachine = new VendingMachine("vmachine");
GoodsItem item = new GoodsItem(15, "green tea");
vmachine.GoodsStorage.AddItem(item);
Coin coin0 = new Coin(5);
Coin coin01 = new Coin(3);
Coin coin02 = new Coin(2);
vmachine.Wallet.AddItem(coin0);
vmachine.Wallet.AddItem(coin01);
vmachine.Wallet.AddItem(coin02);
customer.InsertCoin(coin, vmachine);
customer.InsertCoin(coin1, vmachine);
vmachine.SellTheItem(item, customer);
Assert.AreEqual(5, customer.Wallet.MoneyAmount, "customer wallet");
Assert.AreEqual(1, customer.GoodsStorage.GoodsCount, "customer goods storage");
Assert.AreEqual(1, customer.Wallet.GetItems(a=>a==coin0,-1).Count, "customer wallet");
Assert.AreEqual(25, vmachine.Wallet.MoneyAmount, "vm wallet");
Assert.AreEqual(0, vmachine.GoodsStorage.GoodsCount, "vm goods storage");
}
