public void CostShouldReturnCorrectValue()
{
var expectedValue = 0.99M;
var expresso = new DarkRoast();
expresso.Cost().Should().Be(expectedValue);
}
public void DecoratorTest()
{
DIServiceLocator.Current.RegisterInstance(typeof(ITextProvider));
Support.Configure();
Beverage beverage = new Espresso();
beverage = new Mocha(beverage);
Assert.AreEqual(beverage.Description, "Espresso, Mocha");
Assert.AreEqual(beverage.Cost(), 2.19);
Beverage beverage2 = new DarkRoast();
beverage2 = beverage2.AddComponent <Mocha>();
beverage2 = beverage2.AddComponent <Mocha>();
beverage2 = beverage2.AddComponent <Whip>();
Assert.AreEqual(beverage2.Description, "Dark Roast, Mocha, Mocha, Whip");
Assert.AreEqual(beverage2.Cost(), 1.49);
Beverage beverage3 = new HouseBlend();
SupportExtensions.AddComponent <Soy>(ref beverage3);
SupportExtensions.AddComponent <Mocha>(ref beverage3);
SupportExtensions.AddComponent <Whip>(ref beverage3);
Assert.AreEqual(beverage3.Description, "House Blend Coffee, Soy, Mocha, Whip");
Assert.AreEqual(beverage3.Cost(), 1.34);
}
public void Cost_WithoutCondiments_ReturnNinetyNineCents()
{
var darkRoastCoffee = new DarkRoast();
var cost = darkRoastCoffee.Cost();
cost.Should().Be(0.99m);
}
public void DarkRoastWithMochaWithWhipWithMilk()
{
DarkRoast beverage = new DarkRoast();
beverage.HasMocha = true;
beverage.HasWhip = true;
beverage.HasMilk = true;
Assert.AreEqual(1.39, beverage.Cost(), DELTA);
}
public void DarkRoastWithMochaWithWhipWithMilk()
{
DarkRoast beverage = new DarkRoast();
beverage.HasMocha = true;
beverage.HasWhip = true;
beverage.HasMilk = true;
Assert.AreEqual(1.39, beverage.Cost(), DELTA);
}
public void DarkRoast_ShouldBeExpressoAndCostNinetyNineCents_WhenIsInstantiate()
{
//Arrange
Beverage beverage = new DarkRoast();
//Act
var description = beverage.GetDescription();
var cost = beverage.Cost();
//Assert
description.Should().Be("Dark Roast Coffee");
cost.Should().Be(.99);
}
static void DecoratorInvoke()
{
Beverage beverage = new DarkRoast(); // 焦烤咖啡
Console.WriteLine(beverage.GetDescription() + " $" + beverage.Cost());
beverage = new Mocha(beverage); //添加摩卡
Console.WriteLine(beverage.GetDescription() + " $" + beverage.Cost());
beverage = new Milk(beverage); //添加牛奶
Console.WriteLine(beverage.GetDescription() + " $" + beverage.Cost());
Beverage beverage2 = new Milk(new HouseBlend()); // 家庭混合咖啡加摩卡加牛奶
Console.WriteLine(beverage2.GetDescription() + " $" + beverage2.Cost());
}
static void Main(string[] args)
{
var beverage = new DarkRoast();
Console.WriteLine($"Description: {beverage.GetDescription()}; Cost: {beverage.Cost()}");
var beverage2 = new HouseBlend();
var decorator1 = new Mocha(beverage2);
var decorator2 = new Milk(decorator1);
Console.WriteLine($"Description: {decorator2.GetDescription()}; Cost: {decorator2.Cost()}");
Console.ReadKey();
}
static void Main()
{
Beverage beverage1 = new DarkRoast();
Beverage beverage2 = new Espresso();
beverage2 = new Milk(beverage2);
Beverage beverage3 = new DarkRoast();
beverage3 = new Milk(beverage3);
beverage3 = new Whip(beverage3);
Console.WriteLine(beverage1.GetDescription() + "\n" + beverage1.Cost());
Console.WriteLine(beverage2.GetDescription() + "\n" + beverage2.Cost());
Console.WriteLine(beverage3.GetDescription() + "\n" + beverage3.Cost());
Console.ReadKey();
}
public static void Start()
{
DIServiceLocator.Current.RegisterInstance <IPriceProvider>(new ComponentCosts());
Beverage beverage = new Espresso();
beverage = new Mocha(beverage);
"{0} ${1}".P(beverage.Description, beverage.Cost());
Beverage beverage2 = new DarkRoast();
beverage2 = beverage2.AddComponent <Mocha>();
beverage2 = beverage2.AddComponent <Mocha>();
beverage2 = beverage2.AddComponent <Whip>();
"{0} ${1}".P(beverage2.Description, beverage2.Cost());
Beverage beverage3 = new HouseBlend();
SupportExtensions.AddComponent <Soy>(ref beverage3);
SupportExtensions.AddComponent <Mocha>(ref beverage3);
SupportExtensions.AddComponent <Whip>(ref beverage3);
"{0} ${1}".P(beverage3.Description, beverage3.Cost());
}
