public void Calculate_Cart_Total()
{
// Arrange - create some test products
Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100M };
Product p2 = new Product { ProductID = 2, Name = "P2", Price = 50M };
// Arrange - create a new cart
Cart target = new Cart();
// Act
target.AddItem(p1, 1);
target.AddItem(p2, 1);
target.AddItem(p1, 3);
decimal result = target.ComputeTotalValue();
// Assert
Assert.AreEqual(result, 450M);
}
public void ProcessOrder(Cart cart, ShippingDetails shippingInfo)
{
using (var smtpClient = new SmtpClient())
{
smtpClient.EnableSsl = emailSettings.UseSsl;
smtpClient.Host = emailSettings.ServerName;
smtpClient.Port = emailSettings.ServerPort;
smtpClient.UseDefaultCredentials = false;
smtpClient.Credentials
= new NetworkCredential(emailSettings.Username,
emailSettings.Password);
if (emailSettings.WriteAsFile)
{
smtpClient.DeliveryMethod
= SmtpDeliveryMethod.SpecifiedPickupDirectory;
smtpClient.PickupDirectoryLocation = emailSettings.FileLocation;
smtpClient.EnableSsl = false;
}
StringBuilder body = new StringBuilder()
.AppendLine("A new order has been submitted")
.AppendLine("---")
.AppendLine("Items:");
foreach (var line in cart.Lines)
{
var subtotal = line.Product.Price * line.Quantity;
body.AppendFormat("{0} x {1} (subtotal: {2:c}", line.Quantity,
line.Product.Name,
subtotal);
}
body.AppendFormat("Total order value: {0:c}", cart.ComputeTotalValue())
.AppendLine("---")
.AppendLine("Ship to:")
.AppendLine(shippingInfo.Name)
.AppendLine(shippingInfo.Line1)
.AppendLine(shippingInfo.Line2 ?? "")
.AppendLine(shippingInfo.Line3 ?? "")
.AppendLine(shippingInfo.City)
.AppendLine(shippingInfo.State ?? "")
.AppendLine(shippingInfo.Country)
.AppendLine(shippingInfo.Zip)
.AppendLine("---")
.AppendFormat("Gift wrap: {0}",
shippingInfo.GiftWrap ? "Yes" : "No");
MailMessage mailMessage = new MailMessage(
emailSettings.MailFromAddress, // From
emailSettings.MailToAddress, // To
"New order submitted!", // Subject
body.ToString()); // Body
if (emailSettings.WriteAsFile)
{
mailMessage.BodyEncoding = Encoding.ASCII;
}
smtpClient.Send(mailMessage);
}
}
