public void FindBestDaysToTradeOn_NoStocks()
{
// Arrange
List <Stock> stocks = new List <Stock>();
// Act
MostProfitableStocks mostProfitableStocks = ProfitableStockFinder.FindMostProfitableStocks(stocks);
// Assert
mostProfitableStocks.Should().BeNull();
}
public void FindBestDaysToTradeOn_NoDifferenceInMonthlystockPrice()
{
// Arrange
List <Stock> stocks = new List <Stock>
{
new Stock
{
Day = 1,
Price = 1.00
},
new Stock
{
Day = 2,
Price = 1.00
},
new Stock
{
Day = 3,
Price = 1.00
},
new Stock
{
Day = 4,
Price = 1.00
},
new Stock
{
Day = 5,
Price = 1.00
},
};
// Act
MostProfitableStocks mostProfitableStocks = ProfitableStockFinder.FindMostProfitableStocks(stocks);
// Assert
mostProfitableStocks.StockToBuy.Day.Should().Be(stocks[3].Day);
mostProfitableStocks.StockToSell.Day.Should().Be(stocks[4].Day);
}
public void FindBestDaysToTradeOn_Valid()
{
// Arrange
List <Stock> stocks = new List <Stock>
{
new Stock
{
Day = 1,
Price = 1.00
},
new Stock
{
Day = 2,
Price = 2.00
}
};
// Act
MostProfitableStocks mostProfitableStocks = ProfitableStockFinder.FindMostProfitableStocks(stocks);
// Assert
mostProfitableStocks.StockToBuy.Should().BeEquivalentTo(stocks.First());
mostProfitableStocks.StockToSell.Should().BeEquivalentTo(stocks.Last());
}