public async Task Sell_ValidStockUnits_SavedInRepo()
{
//arrange
var tradeTxService = new TradeTxService(_loggerMock.Object, _tradeRepositoryMock.Object, _messageHandlerMock.Object);
var userId = Guid.NewGuid();
var stockId = Guid.NewGuid();
var noOfUnits = 10;
var userStockId = Guid.NewGuid();
_tradeRepositoryMock.Setup(x => x.SellStock(userId, stockId, noOfUnits)).ReturnsAsync(userStockId);
_messageHandlerMock.Setup(x => x.Send(It.IsAny <IMessage>(), It.IsAny <string>()));
//act
var result = await tradeTxService.Sell(userId, stockId, noOfUnits);
//assert
Assert.True(result);
_tradeRepositoryMock.Verify(x => x.SellStock(userId, stockId, noOfUnits), Times.Once);
_messageHandlerMock.Verify(x => x.Send(It.Is <Order>(y => y.StockId == stockId), "Order - " + stockId), Times.Once);
}
public async Task UpdateStockPrice_ValidNewStockPrice_StockPriceUpdated()
{
//arrange
var tradeTxService = new TradeTxService(_loggerMock.Object, _tradeRepositoryMock.Object, _messageHandlerMock.Object);
var userId = Guid.NewGuid();
var stockId = Guid.NewGuid();
var newStockPrice = 10.20;
var userStockId = Guid.NewGuid();
_tradeRepositoryMock.Setup(x => x.UpdateStockPrice(stockId, newStockPrice)).ReturnsAsync(userStockId);
_messageHandlerMock.Setup(x => x.Send(It.IsAny <IMessage>(), It.IsAny <string>()));
//act
var result = await tradeTxService.UpdateStockPrice(stockId, newStockPrice);
//assert
Assert.True(result);
_tradeRepositoryMock.Verify(x => x.UpdateStockPrice(stockId, newStockPrice), Times.Once);
_messageHandlerMock.Verify(x => x.Send(It.Is <StockUpdate>(y => y.Id == stockId), "Stock - " + stockId), Times.Once);
}
public async Task Buy_InvalidStockId_ErrorLogged()
{
//arrange
var tradeTxService = new TradeTxService(_loggerMock.Object, _tradeRepositoryMock.Object, _messageHandlerMock.Object);
var userId = Guid.NewGuid();
var stockId = Guid.NewGuid();
var noOfUnits = 10;
var userStockId = Guid.NewGuid();
_tradeRepositoryMock.Setup(x => x.BuyStock(userId, stockId, noOfUnits))
.ThrowsAsync(new ArgumentException("Invalid stock id."));
_loggerMock.Setup(x => x.Log(LogSeverity.Error, It.IsAny <string>()));
_messageHandlerMock.Setup(x => x.Send(It.IsAny <IMessage>(), It.IsAny <string>()));
//act
var result = await tradeTxService.Buy(userId, stockId, noOfUnits);
//assert
Assert.False(result);
_loggerMock.Verify(x => x.Log(LogSeverity.Error, It.Is <string>(y => y == "Invalid stock id.")), Times.Once);
_messageHandlerMock.Verify(x => x.Send(It.IsAny <Order>(), "Order - " + stockId), Times.Never);
}
public async Task Buy_ValidStockUnits_OrderPlaced()
{
//arrange
var tradeTxService = new TradeTxService(_loggerMock.Object, _tradeRepositoryMock.Object, _messageHandlerMock.Object);
var userId = Guid.NewGuid();
var stockId = Guid.NewGuid();
var noOfUnits = 10;
var userStockId = Guid.NewGuid();
_tradeRepositoryMock.Setup(x => x.BuyStock(userId, stockId, noOfUnits)).ReturnsAsync(userStockId);
_messageHandlerMock.Setup(x => x.Send(It.IsAny <IMessage>(), It.IsAny <string>()));
//act
var result = await tradeTxService.Buy(userId, stockId, noOfUnits);
//assert
Assert.True(result);
_tradeRepositoryMock.Verify(x => x.BuyStock(userId, stockId, noOfUnits), Times.Once);
_messageHandlerMock.Verify(x => x.Send(It.Is <Order>(y => y.StockId == stockId &&
y.OrderStatus == CentralTrade.Models.Enums.OrderStatus.Placed &&
y.TransactionType == CentralTrade.Models.Enums.TransactionType.Buy), "Order - " + stockId), Times.Once);
}
