public void TaxCalculation_RoundTax_RoundedValue()
{
var value1 = TaxCalculationLogic.RoundTax(432.32543m);
var value2 = TaxCalculationLogic.RoundTax(432.3245m);
Assert.AreEqual(432.33m, value1);
Assert.AreEqual(432.32m, value2);
}
public void Scenario_Two_Success()
{
// Arrange
var listOfProducts = new List <IProduct>
{
new ImportedProduct("box of chocolates", 10.00m, 1, ProductType.Food),
new ImportedProduct("bottle of perfume", 47.50m, 1, ProductType.Perfume)
};
var chargeRate = new ChargeRate(10, 5);
// Act
listOfProducts = TaxCalculationLogic.CalculateTax(listOfProducts, chargeRate).ToList();
// Assert
Assert.AreEqual(10.50m, listOfProducts[0].TotalPriceIncTax);
Assert.AreEqual(54.63m, listOfProducts[1].TotalPriceIncTax);
Assert.AreEqual(7.63m, listOfProducts.Sum(product => product.ProductTax));
Assert.AreEqual(65.13m, listOfProducts.Sum(product => product.TotalPriceIncTax));
}
public void Receipt_GetSubtotalIncTax_Success()
{
// Arrange
var listOfProduct = new List <IProduct>
{
new Product("vitamin C 30 Tablets", 13.82m, 1, ProductType.MedicalProduct),
new Product("D&G Blue", 42.99m, 1, ProductType.Perfume),
new ImportedProduct("Box of apples", 3.56m, 3, ProductType.Food),
new ImportedProduct("3D Puzzle", 10m, 2, ProductType.None)
};
var chargeRate = new ChargeRate(10m, 5m);
// Act
listOfProduct = TaxCalculationLogic.CalculateTax(listOfProduct, chargeRate).ToList();
var receipt = new Receipt(listOfProduct);
var subtotalIncTax = receipt.SubtotalIncTax;
// Assert
Assert.AreEqual(95.33m, subtotalIncTax);
}
public void Scenario_One_Success()
{
// Arrange
var listOfProducts = new List <IProduct>
{
new Product("book", 12.49m, 1, ProductType.Book),
new Product("music CD", 14.99m, 1, ProductType.None),
new Product("chocolate bar", 0.85m, 1, ProductType.Food)
};
var chargeRate = new ChargeRate(10, 5);
// Act
listOfProducts = TaxCalculationLogic.CalculateTax(listOfProducts, chargeRate).ToList();
// Assert
Assert.AreEqual(12.49m, listOfProducts[0].TotalPriceIncTax);
Assert.AreEqual(16.49m, listOfProducts[1].TotalPriceIncTax);
Assert.AreEqual(0.85m, listOfProducts[2].TotalPriceIncTax);
Assert.AreEqual(1.50m, listOfProducts.Sum(product => product.ProductTax));
Assert.AreEqual(29.83m, listOfProducts.Sum(product => product.TotalPriceIncTax));
}
public void Scenario_Three_Success()
{
// Arrange
var listOfProducts = new List <IProduct>
{
new ImportedProduct("bottle of perfume", 27.99m, 1, ProductType.Perfume),
new Product("bottle of perfume", 18.99m, 1, ProductType.Perfume),
new Product("packet of headache pills", 9.75m, 1, ProductType.MedicalProduct),
new ImportedProduct("box of chocolates", 11.25m, 1, ProductType.Food)
};
var chargeRate = new ChargeRate(10, 5);
// Act
TaxCalculationLogic.CalculateTax(listOfProducts, chargeRate);
// Assert
Assert.AreEqual(32.19m, listOfProducts[0].TotalPriceIncTax);
Assert.AreEqual(20.89m, listOfProducts[1].TotalPriceIncTax);
Assert.AreEqual(9.75m, listOfProducts[2].TotalPriceIncTax);
Assert.AreEqual(11.81m, listOfProducts[3].TotalPriceIncTax);
Assert.AreEqual(6.66m, listOfProducts.Sum(product => product.ProductTax));
Assert.AreEqual(74.64m, listOfProducts.Sum(product => product.TotalPriceIncTax));
}
public void TaxCalculation_RecalculateForAllProduct_Realculated()
{
// Arrange
var listOfProduct = new List <IProduct>
{
new Product("vitamin C 30 Tablets", 13.82m, 1, ProductType.MedicalProduct),
new Product("D&G Blue", 42.99m, 1, ProductType.Perfume),
new ImportedProduct("Box of apples", 3.56m, 3, ProductType.Food),
new ImportedProduct("3D Puzzle", 10m, 2, ProductType.None)
};
var chargeRate = new ChargeRate(12.06m, 5.2m);
// Act
listOfProduct[1].ProductTax = 3.5m;
listOfProduct[2].ProductTax = 5.5m;
var listOfProductWithTax = TaxCalculationLogic.CalculateTax(listOfProduct, chargeRate, recalculateAll: true);
// Assert
Assert.AreEqual(4, listOfProductWithTax.Count);
Assert.AreEqual(0, listOfProductWithTax[0].ProductTax);
Assert.AreEqual(5.18m, listOfProductWithTax[1].ProductTax);
Assert.AreEqual(0.19m, listOfProductWithTax[2].ProductTax);
Assert.AreEqual(1.73m, listOfProductWithTax[3].ProductTax);
}
public void TaxCalculation_SingleProduct_ChargeRateParameterNull_Fail()
{
TaxCalculationLogic.CalculateTax(new Product(), null);
}
public void TaxCalculation_ListOfProucts_ChargeRateParameterNull_Fail()
{
TaxCalculationLogic.CalculateTax(new List <IProduct> {
new Product(), new Product()
}, null);
}
public void TaxCalculation_ListOfProductParameterNull_Fail()
{
TaxCalculationLogic.CalculateTax(new List <IProduct> {
new Product(), null
}, new ChargeRate(10m, 5m));
}
public void TaxCalculation_ProductParameterNull_Fail()
{
TaxCalculationLogic.CalculateTax(null, new ChargeRate(10m, 5m));
}
public void TaxCalculation_ApplyTax()
{
Assert.IsTrue(TaxCalculationLogic.ApplyTax(ProductType.None));
Assert.IsFalse(TaxCalculationLogic.ApplyTax(ProductType.MedicalProduct));
}
public void TaxCalculation_CalculatePercentage_PercentageValue()
{
var percentage = TaxCalculationLogic.CalculatePercentage(10, 13.6m);
Assert.AreEqual(1.36m, percentage);
}
