public void Should_ThrowException_When_CreatingInvoiceWithNullProductList()
{
// Arrange
var orderInvoiceManager = new OrderInvoiceManager();
// Act & Assert
Assert.Throws <ArgumentNullException>(() => orderInvoiceManager.CreateInvoice(null));
}
public void Should_ThrowException_When_CreatingInvoiceWithEmptyProductList()
{
// Arrange
var orderInvoiceManager = new OrderInvoiceManager();
// Act & Assert
var exception = Assert.Throws <ArgumentException>(() => orderInvoiceManager.CreateInvoice(new List <Product>(0)));
Assert.Equal("Value cannot be an empty collection.\r\nParameter name: products", exception.Message);
}
public void Should_ReturnExpectedAmounts_When_CalculatingTaxes(List <Product> products, decimal expectedTaxAmount, decimal expectedTotalAmount)
{
// Arrange
var orderInvoiceManager = new OrderInvoiceManager();
var orderInvoice = orderInvoiceManager.CreateInvoice(products);
// Act
var totalTaxes = orderInvoiceManager.GetTotalTaxes(orderInvoice);
var totalAmount = orderInvoiceManager.GetTotalAmount(orderInvoice);
// Assert
Assert.Equal(expectedTaxAmount, totalTaxes);
Assert.Equal(expectedTotalAmount, totalAmount);
}
static void Main(string[] args)
{
Console.WriteLine("INPUT:");
var i = 1;
foreach (var productList in InputOrders)
{
Console.WriteLine();
Console.WriteLine($"Input {i++}:");
foreach (var productString in productList)
{
Console.WriteLine(productString);
}
}
i = 1;
Console.WriteLine();
Console.WriteLine("OUTPUT:");
using (new CultureOverride(CultureInfo.InvariantCulture))
{
foreach (var productList in InputOrders)
{
Console.WriteLine();
Console.WriteLine($"Output {i++}:");
var productParser = new ProductParser();
var orderInvoiceManager = new OrderInvoiceManager();
var orderInvoice = orderInvoiceManager.CreateInvoice(productParser.ParseAll(productList));
foreach (var computedProduct in orderInvoice.Products)
{
Console.WriteLine(computedProduct);
}
Console.WriteLine($"Sales Taxes: {orderInvoiceManager.GetTotalTaxes(orderInvoice).ToString("0.00")}");
Console.WriteLine($"Total: {orderInvoiceManager.GetTotalAmount(orderInvoice).ToString("0.00")}");
}
Console.WriteLine();
Console.Write("Press any key to exit...");
Console.ReadLine();
}
}
public void Should_ReturnExpectedAmounts_When_CalculatingTaxes(Product product, decimal expectedTaxAmount, decimal expectedAmount)
{
// Arrange
var orderInvoiceManager = new OrderInvoiceManager();
// Act
var orderInvoice = orderInvoiceManager.CreateInvoice(new List <Product> {
product
});
// Assert
var computedProduct = orderInvoice.Products[0];
Assert.Equal(expectedTaxAmount, computedProduct.TaxAmount);
Assert.Equal(expectedAmount, computedProduct.Amount);
}
public void Should_ReturnExpectedString_When_PrintingComputedProduct(string productInput, string expectedOutput)
{
using (new CultureOverride(CultureInfo.InvariantCulture))
{
// Arrange
var productParser = new ProductParser();
var orderInvoiceManager = new OrderInvoiceManager();
// Act
var orderInvoice = orderInvoiceManager.CreateInvoice(productParser.ParseAll(new List <string> {
productInput
}));
// Assert
Assert.Equal(1, orderInvoice.Products.Count);
Assert.Equal(expectedOutput, orderInvoice.Products.Single().ToString());
}
}
