public void CalculateAverageWithDelays()
{
var northSales = Enumerable.Empty <CarSale>();
var eastSales = new[]
{
new CarSale("Ford", 1000D),
new CarSale("Audi", 2000D),
new CarSale("Renault", 3000D),
new CarSale("BMW", 3000D)
};
var southSales = new[]
{
new CarSale("Fiat", 500D),
new CarSale("Tesla", 10000D),
new CarSale("Mercedes", 8000D)
};
var westSales = new[]
{
new CarSale("Porsche", 6000D)
};
var allSales = new[]
{
northSales, eastSales,
southSales, westSales
};
var random = new Random();
var loaders = allSales
.Select(sales => new TestSalesLoader(sales, random.Next(3)))
.ToList();
var expectedAverage = allSales
.SelectMany(sales => sales)
.Average(car => car.SalePrice);
var maxDelay = loaders.Max(ldr => ldr.DelayInSeconds);
var averageTask = SalesAggregator.Average(loaders);
var hasCompleted = averageTask.Wait(TimeSpan.FromSeconds(maxDelay + 2D));
Assert.IsTrue(hasCompleted);
//var actualAverage = SalesAggregator.Average(loaders).Result;
var actualAverage = averageTask.Result;
Assert.AreEqual(expectedAverage, actualAverage);
}
public static void Main()
{
var random = new Random();
const int MaxSalesHubs = 10;
string input;
do
{
Console.WriteLine("Max wait time (in seconds):");
input = Console.ReadLine();
if (string.IsNullOrEmpty(input))
{
continue;
}
if (int.TryParse(input, NumberStyles.Any, CultureInfo.CurrentCulture, out var maxDelay))
{
var loaders = Enumerable.Range(1, random.Next(1, MaxSalesHubs))
.Select(n => new SalesLoader(n, random))
.ToList();
var averageTask = SalesAggregator.Average(loaders);
var hasCompleted = averageTask.Wait(TimeSpan.FromSeconds(maxDelay));
var average = averageTask.Result;
if (hasCompleted)
{
Logger.Log($"Average={average:N0}");
}
else
{
Logger.Log("Timeout!");
}
}
} while (input != string.Empty);
}