static void Main(string[] args)
{
Category category = new Category("Food");
Product banana = new Product("Banana", 10, category);
Product apple = new Product("Apple", 15, category);
Category electronicCategory = new Category("Electronic");
Product samsung = new Product("Samsung", 200, electronicCategory);
Product nokia = new Product("Nokia", 100, electronicCategory);
CampaignFactory campaignFactory = new CampaignFactory();
AmountCampaign campaignFood = campaignFactory.ProduceCampaign(category, 25, 5, DiscountType.Amount) as AmountCampaign;
AmountCampaign campaignElectronic = campaignFactory.ProduceCampaign(electronicCategory, 50, 1, DiscountType.Amount) as AmountCampaign;
DeliveryCostCalculator calculator = new DeliveryCostCalculator(1, 2, 2.99d);
Cart shoppingCart = new Cart(calculator);
shoppingCart.AddItem(banana, 8);
shoppingCart.AddItem(apple, 5);
shoppingCart.AddItem(samsung, 1);
shoppingCart.AddItem(nokia, 2);
shoppingCart.ApplyDiscounts(campaignFood, campaignElectronic);
shoppingCart.Print();
}
public void ProduceCampaign_WhenCalledWithNullCategory_ThrowsException()
{
//Arrange
CampaignFactory factory = new CampaignFactory();
//Act && Assert
var exception = Assert.Throws <ArgumentNullException>(() => factory.ProduceCampaign(null, 50, 10, DiscountType.Rate));
Assert.Equal("Value cannot be null. (Parameter 'category')", exception.Message);
}
public void AddCampaign_WhenNewCampaignCreated_AddThatCampaignToCategory()
{
//Arrange & Act
Category foodCategory = new Category("Food");
CampaignFactory campaignFactory = new CampaignFactory();
AmountCampaign campaign = campaignFactory.ProduceCampaign(foodCategory, 10, 2, Business.DiscountType.Amount) as AmountCampaign;
//Assert
Assert.Contains(campaign, foodCategory.campaigns);
}
public void ProduceCampaign_WhenCalledForRateCampaign_ReturnsRateCampaignObject()
{
//Arrange
Category category = new Category("Food");
CampaignFactory factory = new CampaignFactory();
//Act
ICampaign coupon = factory.ProduceCampaign(category, 50, 10, DiscountType.Rate);
//Assert
Assert.IsType <RateCampaign>(coupon);
}
public void GetDiscount_WhenCalledForAmountCampaign_ReturnsPercentageOfDiscount()
{
//Arrange
double discountRate = 10;
double totalPrice = 200;
double expectedDiscount = 20;
Category category = new Category("Food");
CampaignFactory factory = new CampaignFactory();
RateCampaign campaign = factory.ProduceCampaign(category, discountRate, 3, DiscountType.Rate) as RateCampaign;
//Act
double discount = campaign.GetDiscount(totalPrice);
//Assert
Assert.Equal(expectedDiscount, discount);
}
