public async Task BuyOnHigherPriceAllSold()
{
var orderBook = new OrderBook();
var order1 = new Order()
{
Action = StockExchange.Models.Action.Sell,
StockName = "Microsoft",
NumberOfStocks = 8,
CustomerId = 1,
OrderId = 312341,
Price = 12,
Timestamp = DateTime.UtcNow
};
var order2 = new Order()
{
Action = StockExchange.Models.Action.Buy,
StockName = "Microsoft",
NumberOfStocks = 8,
CustomerId = 2,
OrderId = 3141,
Price = 15,
Timestamp = DateTime.UtcNow
};
var orderbookActions = new OrderBookActions(orderBook, _databaseAccess.Object);
await orderbookActions.PlaceOrder(order1);
await orderbookActions.PlaceOrder(order2);
Assert.True(orderBook.SellOrders[order1.Price].IsEmpty);
_databaseAccess.Verify(f => f.PersistOrder(It.IsAny <Order>()), Times.Exactly(2));
_databaseAccess.Verify(f => f.PersistTransaction(It.IsAny <Transaction>(), It.IsAny <Transaction>()),
Times.Exactly(8));
}
public async Task BuyAndSellTwoSetOfTransactionStocksLeftOnBuyBook()
{
var orderBook = new OrderBook();
var order1 = new Order()
{
Action = StockExchange.Models.Action.Sell,
StockName = "Microsoft",
NumberOfStocks = 10,
CustomerId = 1,
OrderId = 312341,
Price = 12,
Timestamp = DateTime.UtcNow
};
var order2 = new Order()
{
Action = StockExchange.Models.Action.Buy,
StockName = "Microsoft",
NumberOfStocks = 8,
CustomerId = 2,
OrderId = 3141,
Price = 12,
Timestamp = DateTime.UtcNow
};
var order3 = new Order()
{
Action = StockExchange.Models.Action.Buy,
StockName = "Microsoft",
NumberOfStocks = 10,
CustomerId = 3,
OrderId = 2341,
Price = 15,
Timestamp = DateTime.UtcNow
};
var orderbookActions = new OrderBookActions(orderBook, _databaseAccess.Object);
await orderbookActions.PlaceOrder(order1);
await orderbookActions.PlaceOrder(order2);
await orderbookActions.PlaceOrder(order3);
Assert.Throws <KeyNotFoundException>(() => orderBook.BuyOrders[order2.Price]);
Assert.False(orderBook.BuyOrders[order3.Price].IsEmpty);
Assert.True(orderBook.SellOrders[order2.Price].IsEmpty);
_databaseAccess.Verify(f => f.PersistOrder(It.IsAny <Order>()), Times.Exactly(3));
_databaseAccess.Verify(f => f.PersistTransaction(It.IsAny <Transaction>(), It.IsAny <Transaction>()),
Times.Exactly(10));
}
public async Task SellOneOrder()
{
var orderBook = new OrderBook();
var order1 = new Order()
{
Action = StockExchange.Models.Action.Sell,
StockName = "Microsoft",
NumberOfStocks = 10,
CustomerId = 1,
OrderId = 312341,
Price = 12,
Timestamp = DateTime.UtcNow
};
var orderbookActions = new OrderBookActions(orderBook, _databaseAccess.Object);
await orderbookActions.PlaceOrder(order1);
Assert.False(orderBook.SellOrders[order1.Price].IsEmpty);
_databaseAccess.Verify(f => f.PersistOrder(It.IsAny <Order>()), Times.Once);
}
