public void Buy_Stock_If_Invalid_Stock_Throws_An_Error()
{
ArgumentException ex = Assert.Throws <ArgumentException>(() =>
{
_stockMarketService.BuyStock("FantasticBeer", 0.75, 2);
});
Assert.Equal("FantasticBeer is not a tradable stock.", ex.Message);
}
public void Buy_Stock_Add_Trade()
{
//Arrange
var mockRepository = new Mock <ITrade>();
mockRepository.Setup(x => x.AddTrade(It.IsAny <Trade>()));
var tradeService = new StockMarketService(mockRepository.Object, DataToTest.Stocks());
//Act
tradeService.BuyStock(DataToTest.Tea.Symbol, 0.75, 2);
//Assert
mockRepository.Verify(x => x.AddTrade(It.IsAny <Trade>()));
}