public void TestSpecialDiscountEngineStrategy_CrazySalesDayFirstTier()
{
_marketingCampaignMock.IsCrazySalesDay().Returns(true);
_marketingCampaignMock.IsActive().Returns(false);
var itemDiscountStrategy =
_engineDiscountStrategy.GetDiscountStrategy(Arg.Any <Money>(), _marketingCampaignMock);
Assert.True(itemDiscountStrategy.GetType().Name == typeof(FirstTierDiscountStrategy).Name);
}
public IItemDiscountStrategy GetDiscountStrategy(Money price, IMarketingCampaign marketingCampaign)
{
if (marketingCampaign.IsCrazySalesDay())
{
return(new FirstTierDiscountStrategy());
}
if (price > Money.OneThousand)
{
return(new SecondTierDiscountStrategy());
}
if (price > Money.OneHundred && marketingCampaign.IsActive())
{
return(new ThirdTierDiscountStrategy());
}
return(new NoDiscountStrategy());
}
public static IDiscount Create(IMarketingCampaign campaign, IMoney money)
{
if (campaign.IsCrazySalesDay())
{
return(new DiscountCrazySalesDay());
}
if (money.IsMoreThanOneThousand())
{
return(new DiscountOneThousand());
}
if (money.IsMoreThanOneHundred() && campaign.IsActive())
{
return(new DiscountOneHundred());
}
return(new DiscountNoDiscount());
}
