public void NeitherSellNorBuyTradeIsMade_Test()
{
#region setup the stock service
decimal simulatedCurrentPrice = 10.00m;
Trade simulatedLastTrade = new Trade
{
Ticker = "ABC",
Side = "buy",
TradeDate = DateTimeOffset.Now.AddHours(-4),
TradePrice = 9.00m
};
var stockServiceMock = new Mock <IStockService>()
.GetCurrentPrice_Mock(simulatedCurrentPrice)
.GetLastTrade_Mock(simulatedLastTrade);
#endregion
#region setup the log service
var logServiceMock = new Mock <ILogService>().Log_Mock("Should not get called");
#endregion
StocksLogic stocksLogic = new StocksLogic(stockServiceMock.Object, logServiceMock.Object);
Trade theSell = stocksLogic.GetRich("ABC");
Assert.IsNotNull(theSell);
Assert.AreEqual("none", theSell.Side);
Assert.IsNull(theSell.TradeDate);
stockServiceMock.Verify(m => m.Buy(It.IsAny <string>(), It.IsAny <decimal>()), Times.Never);
stockServiceMock.Verify(m => m.Sell(It.IsAny <string>(), It.IsAny <decimal>()), Times.Never);
logServiceMock.Verify(m => m.Log(It.IsAny <string>()), Times.Never);
}
public void BuyWhenLastTradeWasSell_Test()
{
#region setup the stock service
decimal simulatedCurrentPrice = 8.03m;
Trade simulatedLastTrade = new Trade
{
Ticker = "ABC",
Side = "sell",
TradeDate = DateTimeOffset.Now.AddHours(-1),
TradePrice = 10.00m
};
Trade simulatedBuy = new Trade
{
Ticker = "ABC",
Side = "buy",
TradeDate = DateTimeOffset.Now,
TradePrice = 11.50m
};
//Here we simulate the current price being lower than 15% less
//than our last sell.
//This should exercise the logic of a sell only.
var stockServiceMock = new Mock <IStockService>()
.GetCurrentPrice_Mock(simulatedCurrentPrice)
.GetLastTrade_Mock(simulatedLastTrade)
.Buy_Mock(simulatedBuy);
#endregion
#region setup the log service
var logServiceMock = new Mock <ILogService>().Log_Mock("Should not get called");
#endregion
StocksLogic stocksLogic = new StocksLogic(stockServiceMock.Object, logServiceMock.Object);
Trade theBuy = stocksLogic.GetRich("ABC");
Assert.IsNotNull(theBuy);
Assert.AreEqual("buy", theBuy.Side);
Assert.AreEqual(theBuy.TradeDate, simulatedBuy.TradeDate, "Simulated buy date equals buy date");
stockServiceMock.Verify(m => m.Buy(It.IsAny <string>(), It.IsAny <decimal>()), Times.Once);
stockServiceMock.Verify(m => m.Sell(It.IsAny <string>(), It.IsAny <decimal>()), Times.Never);
//Only exception will log so validate log was not called
logServiceMock.Verify(m => m.Log(It.IsAny <string>()), Times.Never);
}
public void SellWhenLastTradeWasBuy_Test()
{
#region setup the stock service
decimal simulatedCurrentPrice = 11.50m;
Trade simulatedLastTrade = new Trade
{
Ticker = "ABC",
Side = "buy",
TradeDate = DateTimeOffset.Now.AddHours(-4),
TradePrice = 10.00m
};
Trade simulatedSell = new Trade
{
Ticker = "ABC",
Side = "sell",
TradeDate = DateTimeOffset.Now,
TradePrice = 11.50m
};
//Here we simulate the current price being exactly 15% higher
//than our last stock trade, and that the trade was a buy.
//This should exercise the logic of a sell.
var stockServiceMock = new Mock <IStockService>()
.GetCurrentPrice_Mock(simulatedCurrentPrice)
.GetLastTrade_Mock(simulatedLastTrade)
.Sell_Mock(simulatedSell);
#endregion
#region setup the log service
var logServiceMock = new Mock <ILogService>().Log_Mock("Should not get called");
#endregion
StocksLogic stocksLogic = new StocksLogic(stockServiceMock.Object, logServiceMock.Object);
Trade theSell = stocksLogic.GetRich("ABC");
Assert.IsNotNull(theSell);
Assert.AreEqual("sell", theSell.Side);
Assert.AreEqual(theSell.TradeDate, simulatedSell.TradeDate);
stockServiceMock.Verify(m => m.Sell(It.IsAny <string>(), It.IsAny <decimal>()), Times.Once);
//This should be a sell so validate the Buy() method is never called
stockServiceMock.Verify(m => m.Buy(It.IsAny <string>(), It.IsAny <decimal>()), Times.Never);
//Only exception will log so validate log was not called
logServiceMock.Verify(m => m.Log(It.IsAny <string>()), Times.Never);
}
public void GetCurrentPriceThrowsException_Test()
{
var stockServiceMock = new Mock <IStockService>()
.GetCurrentPrice_Mock(0, new Exception("Unable to get current price"));
#region setup the log service
var logServiceMock = new Mock <ILogService>().Log_Mock("Should not get called");
#endregion
try
{
StocksLogic stocksLogic = new StocksLogic(stockServiceMock.Object, logServiceMock.Object);
}
catch (Exception ex)
{
logServiceMock.Verify(m => m.Log(It.IsAny <string>()), Times.Once);
Assert.AreEqual("Unable to get current price", ex.Message);
}
}
