public void PlaceOrders_MultipleLongPositions_PlaceWeightedBuyOrders()
{
var currentStockQuantities = new Dictionary <string, int>()
{
{ "GOOGL", 0 }, { "AAPL", 0 }
};
var portfolio = new Dictionary <string, double>()
{
{ "GOOGL", 0.75 }, { "AAPL", 0.25 }
};
var currentStockPrices = new Dictionary <string, double>()
{
{ "GOOGL", 845.10 }, { "AAPL", 143.66 }
};
NoviceTrader noviceTrader = new NoviceTrader(mockExchange.Object, currentStockQuantities, portfolio, currentStockPrices, availableCapital);
var actualBuyOrders = new List <Tuple <string, int, double> >();
mockExchange
.Setup(e => e.Buy(It.IsAny <Stock>(), It.IsAny <int>(), It.IsAny <double>()))
.Callback <Stock, int, double>((stock, numberOfShares, price) => actualBuyOrders.Add(new Tuple <string, int, double>(stock.Symbol, numberOfShares, price)));
noviceTrader.PlaceOrders();
Assert.Equal(new Tuple <string, int, double>("GOOGL", 887, 845.10), actualBuyOrders[0]);
Assert.Equal(new Tuple <string, int, double>("AAPL", 1740, 143.66), actualBuyOrders[1]);
}
public void PlaceOrders_CurrentPortfolioWithSingleLongPosition_PlaceBuyOrder(string symbol, double price, int expectedNumberOfShares)
{
var currentStockQuantities = new Dictionary <string, int>()
{
{ symbol, 0 }
};
var portfolio = new Dictionary <string, double>()
{
{ symbol, 1 }
};
var currentStockPrices = new Dictionary <string, double>()
{
{ symbol, price }
};
NoviceTrader noviceTrader = new NoviceTrader(mockExchange.Object, currentStockQuantities, portfolio, currentStockPrices, availableCapital);
noviceTrader.PlaceOrders();
mockExchange.Verify(e => e.Buy(It.Is <Stock>(s => s.Symbol == symbol), expectedNumberOfShares, price));
}
public void PlaceOrders_CurrentPortfolioSomeWeightsBelowZero_BuyAndSellToMatch()
{
var currentStockQuantities = new Dictionary <string, int>()
{
{ "GOOGL", 887 }, { "AAPL", 1740 }
};
var targetPortfolio = new Dictionary <string, double>()
{
{ "GOOGL", 0.50 }, { "AAPL", -0.50 }
};
var currentStockPrices = new Dictionary <string, double>()
{
{ "GOOGL", 845.10 }, { "AAPL", 143.66 }
};
NoviceTrader noviceTrader = new NoviceTrader(mockExchange.Object, currentStockQuantities, targetPortfolio, currentStockPrices, availableCapital);
noviceTrader.PlaceOrders();
mockExchange.Verify(e => e.Sell(It.Is <Stock>(s => s.Symbol == "GOOGL"), 295, 845.10));
mockExchange.Verify(e => e.Sell(It.Is <Stock>(s => s.Symbol == "AAPL"), 1740, 143.66));
}