public void ShouldGetPriceInfo()
{
// Arrange
var phTableRepository = Substitute.For <ITableRepository <PriceHistory> >();
var DTOMethods = Substitute.For <IDTOMethodsforPriceHistory>();
PriceHistoryService phService = new PriceHistoryService(phTableRepository, DTOMethods);
PriceHistory priceHist = new PriceHistory
{
PriceHistoryID = 1,
StockID = 1,
DateTimeBegin = new DateTime(2019, 8, 20, 09, 55, 00),
DateTimeEnd = new DateTime(2019, 8, 20, 19, 30, 00),
Price = 200
};
PriceArguments priceArguments = new PriceArguments()
{
StockId = 1,
DateTimeLookUp = new DateTime(2019, 8, 20, 09, 56, 00)
};
DTOMethods.FindEntitiesByRequestDTO(priceArguments).Returns(new List <PriceHistory> {
priceHist
});
// Act
var priceHistory = phService.GetStockPriceByDateTime(priceArguments);
// Assert
var hist = DTOMethods.Received(1).FindEntitiesByRequestDTO(priceArguments);
}
public decimal GetStockPriceByDateTime(PriceArguments args)
{
IEnumerable <PriceHistory> priceInfos = this.dtoMethods.FindEntitiesByRequestDTO(args).ToList();
PriceHistory priceinfo = priceInfos.Single();
decimal price = priceinfo.Price;
return(price);
}
public IEnumerable <PriceHistory> FindEntitiesByRequestDTO(PriceArguments DTOarguments)
{
PriceArguments args = DTOarguments;
var pricehist = this.db.PriceHistories.ToList();
var pricehistory = this.db.PriceHistories
.Where(ph => ph.DateTimeBegin <= args.DateTimeLookUp && ph.DateTimeEnd >= args.DateTimeLookUp && ph.StockID == args.StockId)
.Select(p => p).ToList();
return(pricehistory);
}
public void ShouldEditPriceDateEnd()
{
// Arrange
var phTableRepository = Substitute.For <ITableRepository <PriceHistory> >();
var DTOMethods = Substitute.For <IDTOMethodsforPriceHistory>();
PriceHistoryService phService = new PriceHistoryService(phTableRepository, DTOMethods);
PriceHistory lastpriceHist = new PriceHistory
{
PriceHistoryID = 1,
StockID = 1,
DateTimeBegin = new DateTime(2019, 8, 20, 09, 55, 00),
DateTimeEnd = new DateTime(2019, 8, 20, 19, 30, 00),
Price = 200
};
IEnumerable <PriceHistory> histories = new List <PriceHistory>()
{
lastpriceHist
};
PriceArguments priceArguments = new PriceArguments()
{
StockId = 1,
DateTimeLookUp = new DateTime(2019, 8, 20, 09, 56, 00)
};
int stockId = 1;
DateTime DateTimeEnd = new DateTime(2019, 8, 20, 09, 56, 00);
DTOMethods.FindEntitiesByRequest(stockId).Returns(new List <PriceHistory> {
lastpriceHist
});
// Act
phService.EditPriceDateEnd(stockId, DateTimeEnd);
// Assert
var phistories = DTOMethods.FindEntitiesByRequest(stockId);
lastpriceHist.DateTimeEnd = DateTimeEnd;
phTableRepository.SaveChanges();
}
public void SimulatePriceChange(int stockId, decimal priceBeforeChanges, DateTime dateTimeX)
{
PriceArguments arguments = new PriceArguments()
{
DateTimeLookUp = dateTimeX,
StockId = stockId
};
Random random = new Random();
bool isPriceIncreaseExpectation = false;
if (random.Next(100) > 50)
{
isPriceIncreaseExpectation = true;
}
double percent = (double)(random.Next(5)) / 100;
DateTime dateTimeEnd = DateTime.Today.AddYears(200);
decimal price;
this.priceHistoryService.EditPriceDateEnd(stockId, dateTimeX);
if (isPriceIncreaseExpectation)
{
price = priceBeforeChanges * (decimal)(1 + percent);
}
else
{
price = priceBeforeChanges * (decimal)(1 - percent);
}
PriceInfo priceInfo = new PriceInfo
{
StockId = stockId,
DateTimeBegin = dateTimeX.AddSeconds(1),
DateTimeEnd = dateTimeEnd,
Price = price
};
this.priceHistoryService.AddPriceInfo(priceInfo);
}
