public void AnotherPromotionMayNotBeStartedIfTheyDoOverlap()
{
var product = CreateTestProduct();
var factory = new RedPencilFactory();
var promotion = factory.CreatePromotion(product, DateTime.Now.Subtract(TimeSpan.FromDays(1)), DateTime.Now);
var anotherPromotion = factory.CreatePromotion(product, DateTime.Now.Subtract(TimeSpan.FromHours(12)), DateTime.Now.AddDays(1));
}
public void PromotionCanLastUpTo30Days()
{
var product = CreateTestProduct();
var factory = new RedPencilFactory();
var promotion = factory.CreatePromotion(product, DateTime.Now, DateTime.Now.AddDays(30));
Assert.AreEqual(30, (promotion.EndDate - promotion.StartDate).Days);
}
public void PriceReductionToTotalDiscountGreaterThan30PercentEndsPromotion()
{
var product = CreateTestProduct();
var factory = new RedPencilFactory();
var promotion = factory.CreatePromotion(product, DateTime.Now, DateTime.Now.AddDays(30));
var promotionEnd = promotion.EndDate;
promotion.Begin(product);
product.SalePrice = .6;
Assert.AreNotEqual(promotionEnd, promotion.EndDate);
}
public void PriceIncreaseDuringPromotionEndsIt()
{
var product = CreateTestProduct();
var factory = new RedPencilFactory();
var promotion = factory.CreatePromotion(product, DateTime.Now, DateTime.Now.AddDays(30));
var promotionEnd = promotion.EndDate;
promotion.Begin(product);
product.SalePrice = .95;
Assert.AreNotEqual(promotionEnd, promotion.EndDate);
}
public void PriceReductionDuringPromotionDoesNotProlongIt()
{
var product = CreateTestProduct();
var factory = new RedPencilFactory();
var promotion = factory.CreatePromotion(product, DateTime.Now, DateTime.Now.AddDays(30));
var promotionLength = promotion.EndDate - promotion.StartDate;
promotion.Begin(product);
product.SalePrice = .8;
Assert.AreEqual(promotionLength, promotion.EndDate - promotion.StartDate);
}
public void PromotionCanNotLastMoreThan30Days()
{
var product = CreateTestProduct();
var factory = new RedPencilFactory();
var promotion = factory.CreatePromotion(product, DateTime.Now.Subtract(TimeSpan.FromDays(31)), DateTime.Now);
}