public void CreateNewValidOrder_OrderIsAddedInDatabase_ObjectIsInDatabase()
{
//Arrange
var viewModel = new OrderViewModel();
Order order = OrderCreator.CreateOrder("Client", 124, "Roll", 1, 12.2m);
//Action
viewModel.AddNewOrder(order);
int numberOfOrders = viewModel.GetNumberOfOrders();
//Assert
Assert.AreEqual(1, numberOfOrders);
}
public void GetAveragePriceOfOrderOfSpecificClient_OrdersExistInDatabase_AveragePriceIsReturned()
{
//Arrange
var viewModel = new OrderViewModel();
string clientId = "id1";
var ordersToAdd = OrderCreator.CreateOrders_ForSpecificCLient_TwoOrdersWithSameRequestId(clientId);
var orderWithDifferentRequestIdForSameClient = OrderCreator.CreateOrder(clientId, 2, "Roll", 2, 4m);
viewModel.AddNewOrder(orderWithDifferentRequestIdForSameClient);
viewModel.AddNewOrders(ordersToAdd);
decimal average = 127.2m; // calculated based on the orders added into database for specific client
// first request => 12 * 12.2 + 10 * 10 = 246.4 because first and second order have same request_id
// second request => 2 * 4 = 8
// average = 127.2
//Action
decimal averagePrice = viewModel.GetAveragePriceOfOrderOfSpecificClient("id1");
//Assert
Assert.AreEqual(average, averagePrice);
}