public void GetTaxableProductDecorator_FlatTax_FlatTaxDecorator()
{
//Arrange
IProduct product = new Product(1, 1, "1 imported book", "book", true, CategoryType.Books);
//Act
ProductDecorator productDecorator = _flatTax.GetTaxableProductDecorator(product);
//Assert
Assert.AreEqual("1 imported book, Basic Sales Tax", productDecorator.GetDescription());
Assert.IsInstanceOf <FlatTaxDecorator>(productDecorator);
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
ProductDecorator tmpEntity = (ProductDecorator)validationContext.ObjectInstance;
var tmpCollection = (ObservableCollection <ProductUmDecorator>)value;
if (tmpCollection.Count == 0)
{
return(ValidationResult.Success);
}
foreach (var item in tmpCollection)
{
if (item.IsSelected == true)
{
return(ValidationResult.Success);
}
}
return(new ValidationResult(ErrorMessage));
}
public IList<TaxedProduct> ApplyTaxes(ShoppingBasket shoppingBasket)
{
if (shoppingBasket == null) throw new ArgumentNullException(nameof(shoppingBasket));
IList<TaxedProduct> taxedProducts = new List<TaxedProduct>();
for (var i = 0; i < shoppingBasket.Products.Count; i++)
{
IProduct product = shoppingBasket.Products[i];
foreach (Tax taxRule in _taxRules)
{
if (taxRule.IsApplicableFor(product))
{
ProductDecorator productDecorator = taxRule.GetTaxableProductDecorator(product);
product = productDecorator;
}
}
decimal grossAmount = product.CalculateGrossAmount();
taxedProducts.Add(new TaxedProduct(product, grossAmount));
}
return taxedProducts;
}