public void simpleViewHistory()
{
User aviad = us.startSession();
Assert.IsNotNull(aviad);
int store = ss.createStore("abowim", zahi);
Assert.IsNotNull(store);
Assert.IsTrue(us.register(aviad, "aviad", "123456") > -1);
Assert.IsTrue(us.login(aviad, "aviad", "123456") > -1);
int pis = ss.addProductInStore("cola", 3.2, 10, zahi, store, "drinks");
int saleId = ss.addSaleToStore(zahi, store, pis, 1, 8, DateTime.Now.AddDays(10).ToString());
LinkedList <Sale> sales = ses.viewSalesByProductInStoreId(pis);
Assert.IsTrue(sales.Count == 1);
Sale sale = sales.First.Value;
Assert.IsTrue(ses.addProductToCart(aviad, sale.SaleId, 2) > -1);
LinkedList <UserCart> sc = ses.viewCart(aviad);
Assert.IsTrue(sc.Count == 1);
Assert.IsTrue(sc.First.Value.getSaleId() == saleId);
Assert.IsTrue(ses.buyProducts(aviad, "1234", ""));
LinkedList <Purchase> historyList = ss.viewStoreHistory(zahi, store);
Assert.IsTrue(historyList.Count == 1);
Assert.IsTrue(historyList.First.Value.ProductId == ProductManager.getInstance().getProductInStore(pis).getProduct().getProductId());
Assert.IsTrue(historyList.First.Value.Amount == 2);
}