public void MainTest()
{
// Init
ExpressOrdersContext dbContext = new ExpressOrdersContext();
if (!dbContext.Database.EnsureCreated())
{
dbContext.Database.ExecuteSqlRaw("DELETE FROM public.\"Order\"");
dbContext.Database.ExecuteSqlRaw("DELETE FROM public.\"Product\"");
}
ShopStorage storage = new ShopStorage();
Random random = new Random();
ProductDataModel product = new ProductDataModel("Car");
int productsCount = 100;
storage.Add(product, productsCount);
// Act
for (int k = 0; k < 10; k++)
{
Thread thread = new Thread(
new ThreadStart(() =>
{
ShopStorage threadStorage = new ShopStorage();
for (int i = 0; i < 1000; i++)
{
try
{
threadStorage.Reserve(product, random.Next(1, 3));
}
catch (ArgumentOutOfRangeException)
{
break;
}
}
})
);
thread.Start();
thread.Join();
}
// Assert
Assert.Equal(0, dbContext.Product.First().Stock);
Assert.Equal(productsCount, dbContext.Order.Sum(o => o.Count));
}
static void Main(string[] args)
{
Console.WriteLine("Подготовка.");
PrepareDb();
Console.WriteLine("Подготовка закончена.");
ShopStorage storage = new ShopStorage();
Random random = new Random();
ProductDataModel product = new ProductDataModel("Car");
storage.Add(product, 100);
Console.WriteLine("Запуск потоков.");
for (int k = 0; k < 10; k++)
{
Thread thread = new Thread(
new ThreadStart(() =>
{
ShopStorage threadStorage = new ShopStorage();
Dictionary <int, List <bool> > result = new Dictionary <int, List <bool> >();
for (int i = 0; i < 1000; i++)
{
try
{
int randomCount = random.Next(1, 3);
threadStorage.Reserve(product, randomCount);
}
catch (ArgumentOutOfRangeException e)
{
Console.WriteLine(e.Message);
// break;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
})
);
thread.Start();
thread.Join();
}
Console.WriteLine("Completed.");
Console.ReadLine();
}
public void Reserve_RndAmount_1000Times()
{
for (int i = 0; i < 1000; i++)
{
var reservationAmount = new Random().Next(1, 3);
_waitHandler.WaitOne();
var product = _shopStorage.GetProduct(_productName).Result;
var productAmount = product.Amount;
var reservation = _shopStorage.Reserve(_productName, reservationAmount, "Task" + Task.CurrentId).Result;
product = _shopStorage.GetProduct(_productName).Result;
_waitHandler.Set();
if (reservation != null)
{
Assert.IsTrue(productAmount - reservationAmount == product.Amount);
}
}
}
public async Task <ActionResult <Reservation> > Post(Reservation reservation)
{
if (reservation == null)
{
return(BadRequest());
}
var product = _db.Products.FirstOrDefault(x => x.Name == reservation.ProductName);
if (product == null)
{
return(NotFound());
}
ShopStorage shopStorage = new ShopStorage(_db);
await shopStorage.Reserve(reservation.ProductName, reservation.Amount, reservation.ClientFullName);
await _db.SaveChangesAsync();
return(Ok(reservation));
}