public static void SetPromotionActive(Product p)
{
p.IsPromotionActive = IsPromotionActive(
p.Price,
p.PreviousPrice,
p.PriceLastChanged,
p.PricePreviouslyLastChanged,
Time.Now);
}
public void Hadtobestableforatleast30days_Wait29Days()
{
var product = new Product();
product.Price = 100;
Time.AdvanceDays(29);
product.Price = 70;
_SetPromotionAndAssertOn(product, false);
}
public void Aredpencilpromotionlasts30daysasthemaximumlength_31Later()
{
var product = new Product();
product.Price = 100;
Time.AdvanceDays(30);
product.Price = 70;
_SetPromotionAndAssertOn(product, true);
Time.AdvanceDays(31);
_SetPromotionAndAssertOn(product, false);
}
public void PriceReducedBy04Percent_PromotionNOTActive()
{
var product = new Product();
product.Price = 100;
Time.AdvanceDays(30);
product.Price = 96;
_SetPromotionAndAssertOn(product, false);
}
private static void _SetPromotionAndAssertOn(Product product, bool shouldPromotionBeActive)
{
PromotionCalculator.SetPromotionActive(product);
if (shouldPromotionBeActive)
{
Assert.True(product.IsPromotionActive);
}
else
{
Assert.False(product.IsPromotionActive);
}
}
public void PriceReducedBy30Percent_PromotionActive()
{
var product = new Product();
product.Price = 100;
Time.AdvanceDays(30);
product.Price = 70;
_SetPromotionAndAssertOn(product, true);
}