public void CreateOrderRow_Test()
{
var bookId = Guid.NewGuid();
var books = new List <IBook>()
{
new Book()
{
Title = "Title",
Author = "Author",
InStock = 20,
Price = 100m,
Id = bookId
}
};
var checkoutRow = new CheckoutRow()
{
Quantity = 10,
BookId = bookId
};
var privateObject = new PrivateObject(this.orderService);
var row = (OrderRow)privateObject.Invoke("CreateOrderRow", new object[]
{
checkoutRow,
books
});
Assert.AreEqual(10, row.Quantity);
Assert.AreEqual(0, row.Backordered);
}
private OrderRow CreateOrderRow(CheckoutRow checkoutRow, IEnumerable <IBook> books)
{
var book = books.SingleOrDefault(x =>
{
var o = x as Book;
return(o != null && o.Id == checkoutRow.BookId);
});
if (book != null)
{
var backordered = (book as Book).InStock > checkoutRow.Quantity
? 0
: checkoutRow.Quantity - (book as Book).InStock;
return(new OrderRow()
{
Book = book,
Quantity = backordered != 0 ? (book as Book).InStock : checkoutRow.Quantity,
Backordered = backordered
});
}
return(null);
}