public void FetchAllOrdersForSpecificClient_OrdersExistInDatabase_OrdersForClientAreReturned()
{
//Arrange
var viewModel = new OrderViewModel();
string clientId = "id1";
var orderForSpecificCLientToAdd = OrderCreator.CreateOrders_ForSpecificCLient_TwoOrdersWithSameRequestId(clientId);
viewModel.AddNewOrders(orderForSpecificCLientToAdd);
//Action
var clientOrders = viewModel.GetAllOrdersForSpecificClient(clientId);
//Assert
Assert.AreEqual(1, clientOrders.Count);
}
public void GetNumberOfOrdersForSpecificClient_OrdersExistInDatabase_NumberOfOrdersIsReturned()
{
//Arrange
var viewModel = new OrderViewModel();
string clientId = "id1";
var ordersToAdd = OrderCreator.CreateOrders_ForSpecificCLient_TwoOrdersWithSameRequestId(clientId);
viewModel.AddNewOrders(ordersToAdd);
//Action
int numberOfOrdersForClient = viewModel.GetNumberOfOrdersForSpecificClient(clientId);
//Assert
// There are three orders in database, but only two refere to client id ("id1"), and those two orders
// refere to same request_id so in fact client has only one order
Assert.AreEqual(1, numberOfOrdersForClient);
}
public void GetTotalPriceOfOrdersForSpecificClient_OrdersExistInDatabase_NumberOfOrdersIsReturned()
{
//Arrange
string clientId = "id1";
var viewModel = new OrderViewModel();
var ordersToAdd = OrderCreator.CreateOrders_ForSpecificCLient_TwoOrdersWithSameRequestId(clientId);
viewModel.AddNewOrders(ordersToAdd);
decimal result = 246.4m; // 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
// sum = 246.4
//Action
decimal totalPriceOfOrdersForClient = viewModel.GetTotalPriceOfOrdersForSpecificClient("id1");
//Assert
Assert.AreEqual(result, totalPriceOfOrdersForClient);
}
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);
}