public void OrderWithManyItemsHadRelativelyLargeDeviationWhenCalculatingVatOverPartsInsteadOfOverTotal()
{
IOC.IntegrationTest();
IOC.SettingsService.InclVat();
IOC.VatCalculationStrategy.OverTotal();
var productInfo1 = DefaultFactoriesAndSharedFunctionality.CreateProductInfo(7500, 2, 21m);
var productInfo2 = DefaultFactoriesAndSharedFunctionality.CreateProductInfo(200, 25, 21m);
var productInfo3 = DefaultFactoriesAndSharedFunctionality.CreateProductInfo(200, 50, 21m);
var productInfo4 = DefaultFactoriesAndSharedFunctionality.CreateProductInfo(200, 50, 21m);
var productInfo5 = DefaultFactoriesAndSharedFunctionality.CreateProductInfo(200, 25, 21m);
var order = DefaultFactoriesAndSharedFunctionality.CreateIncompleteOrderInfo(productInfo1, productInfo2, productInfo3, productInfo4, productInfo5);
var directlyCalculatedVat = VatCalculator.VatAmountFromWithVat(45000, 21m);
Assert.AreEqual(7810, directlyCalculatedVat);
Assert.AreEqual(7810, order.VatTotalInCents);
Assert.AreEqual(45000, order.GrandtotalInCents);
Assert.AreEqual(45000 - 7810, order.SubtotalInCents);
Console.WriteLine(directlyCalculatedVat);
Console.WriteLine(order.VatTotalInCents);
Console.WriteLine(order.GrandtotalInCents);
// todo: this might be a concern:
// var orderNewDiscount = order.DiscountAmountWithVatInCents;
// Assert.AreEqual(x, orderNewDiscount); where x should not be 0 but orderNewDiscount is 0
}
public void AmountDiscountIncludingVat()
{
IOC.IntegrationTest();
var productInfo = DefaultFactoriesAndSharedFunctionality.CreateProductInfo(1000, 1, 10);
var order = DefaultFactoriesAndSharedFunctionality.CreateIncompleteOrderInfo(productInfo);
var discount = DefaultFactoriesAndSharedFunctionality.CreateDefaultOrderDiscountWithAmount(500, DiscountOrderCondition.None, 0);
IOC.OrderDiscountRepository.SetupFake(discount);
order.OrderDiscountsFactory = () => IO.Container.Resolve <IOrderDiscountService>().GetApplicableDiscountsForOrder(order, order.Localization).ToList();
order.ResetDiscounts();
var absoluteDiscountAmount = 500;
var AverageOrderVatPercentage = 10m;
var vatAmountFromWithVat = VatCalculator.VatAmountFromWithVat(absoluteDiscountAmount, AverageOrderVatPercentage);
//var vatAmountFromWithoutVat = VatCalculator.VatAmountFromWithoutVat(absoluteDiscountAmount, AverageOrderVatPercentage);
Assert.AreEqual(45, vatAmountFromWithVat);
// berekende discount vat = 45,45454545..
// correct zou zijn 500 - 454 = 46 (zie hieronder)
// full amount: 909
// discounted amount: 455
// discount: 909 - 455 = 454
// 'discount vat': 500 - 454 = 46
Assert.AreEqual(1000, order.GetAmount(true, false, true));
Assert.AreEqual(909, order.GetAmount(false, false, true));
Assert.AreEqual(500, order.GetAmount(true, true, true));
Assert.AreEqual(455, order.GetAmount(false, true, true));
var price = new SimplePrice(order, order.Localization);
Assert.AreEqual(1000, price.BeforeDiscount.WithVat.ValueInCents);
Assert.AreEqual(909, price.BeforeDiscount.WithoutVat.ValueInCents);
Assert.AreEqual(91, price.BeforeDiscount.Vat.ValueInCents);
Assert.AreEqual(500, price.WithVat.ValueInCents);
Assert.AreEqual(455, price.WithoutVat.ValueInCents);
Assert.AreEqual(45, price.Vat.ValueInCents);
Assert.AreEqual(500, price.Discount.WithVat.ValueInCents);
Assert.AreEqual(454, price.Discount.WithoutVat.ValueInCents);
}
public void VatAmountFromWithVat(int amountWithVat, int vatAmount)
{
Assert.AreEqual(vatAmount, VatCalculator.VatAmountFromWithVat(amountWithVat, 19));
}