public void ShouldWriteHistoryOfSuccessfulTransactions()
{
//Arrange
TransactionArguments args = new TransactionArguments();
args.SellerId = 1;
args.BuyerId = 2;
args.SharesId = 1;
args.Quantity = 5;
//Act
transactionService.MakeTransaction(args);
//Assert
transactionHistoryTableRepository.Received(1).Add(Arg.Is <TransactionHistoryEntity>(s =>
s.Seller == clientTableRepository.GetById(args.SellerId) &&
s.Buyer == clientTableRepository.GetById(args.BuyerId) &&
s.SelledItem == sharesTableRepository.GetById(args.SharesId) &&
s.Quantity == args.Quantity &&
s.Total == sharesTableRepository.GetById(args.SharesId).Price *args.Quantity));
transactionHistoryTableRepository.Received(1).SaveChanges();
}
private void ValidateTransaction(TransactionArguments args)
{
if (args.Quantity <= 0)
{
throw new ArgumentException($"Wrong quantity : {args.Quantity}");
}
if (!clientTableRepository.ContainsById(args.SellerId))
{
throw new ArgumentException($"Client with Id {args.SellerId} doesn't exist");
}
if (!clientTableRepository.ContainsById(args.BuyerId))
{
throw new ArgumentException($"Client with Id {args.BuyerId} doesn't exist");
}
if (!sharesTableRepository.ContainsById(args.SharesId))
{
throw new ArgumentException($"Shares with Id {args.SharesId} don't exist");
}
var buyer = clientTableRepository.GetById(args.BuyerId);
if (buyer.Balance <= 0)
{
throw new ArgumentException(string.Format($"Buyer is in the {0} zone",
buyer.Balance < 0 ? "Black" : "Orange"));
}
var seller = clientTableRepository.GetById(args.SellerId);
foreach (var item in seller.Portfolio)
{
if (item.Shares.Id == args.SharesId && item.Quantity >= args.Quantity)
{
return;
}
}
throw new ArgumentException($"Not enough shares to sell");
}
