public void InitializeReadingTest()
{
RedoFiles();
/// Read Stock file elements
stock = fileInterface.ReadStockFile(TestStockCsv);
Assert.AreEqual(5, stock.GetElementCount());
/// Read Menu file elements
menu = fileInterface.ReadMenuFile(TestMenuCsv);
Assert.AreEqual(3, menu.GetElementCount());
orders = fileInterface.ReadOrdersFile(TestOrdersCsv, menu);
Assert.AreEqual(5, orders.GetElementCount());
}
public void CreateNewOrder_Unsuccesful()
{
/// Read elements from list
InitializeReadingTest();
OrderItem newOrder = new OrderItem(6, DateTime.Now,
new List <MenuItem> {
menu.GetItemByID(3)
});
/// Check if items are added to array
/// Should fail as there is not enough lamb in stock
Program.AddElement(newOrder, TestOrdersCsv, TestStockCsv, stock, orders);
Assert.AreEqual(5, orders.GetElementCount());
/// Check if order was not written in file
RestaurantOrders newOrders = fileInterface.ReadOrdersFile(TestOrdersCsv, menu);
Assert.AreEqual(5, newOrders.GetElementCount());
}
public void CreateNewOrder_Successful()
{
/// Read elements from list
InitializeReadingTest();
OrderItem newOrder = new OrderItem(6, DateTime.Now,
new List <MenuItem> {
menu.GetItemByID(1)
});
/// Check if items are added to array
Program.AddElement(newOrder, TestOrdersCsv, TestStockCsv, stock, orders);
Assert.AreEqual(6, orders.GetElementCount());
/// Check if order is existing in file
RestaurantOrders newOrders = fileInterface.ReadOrdersFile(TestOrdersCsv, menu);
RestaurantStock newStock = fileInterface.ReadStockFile(TestStockCsv);
Assert.AreEqual(4.7, newStock.GetItemByID(2).GetPortionCount());
Assert.AreEqual(6, newOrders.GetElementCount());
}
/// <summary>
/// Method for reading restaurant orders csv file
/// </summary>
/// <param name="path">Path to orders file</param>
/// <param name="menu">Reference of previously read RestaurantMenu object</param>
/// <returns>Returns RestaurantOrders object with read data from file</returns>
public RestaurantOrders ReadOrdersFile(string path, RestaurantMenu menu)
{
RestaurantOrders orders = new RestaurantOrders();
if (!File.Exists(path))
{
using (StreamWriter wr = new StreamWriter(path))
{
wr.WriteLine("Id,DateTime,Menu Items");
wr.Close();
}
}
/// Else read file
else
{
using (StreamReader rd = new StreamReader(path))
{
/// Read header
string line = rd.ReadLine();
while ((line = rd.ReadLine()) != null)
{
string[] data = line.Split(',');
int id = int.Parse(data[0]);
DateTime date = DateTime.Parse(data[1]);
var productsLine = data[2].Trim().Split(' ');
List <MenuItem> items = new List <MenuItem>();
foreach (string i in productsLine)
{
int menuItem = int.Parse(i);
items.Add(menu.GetItemByID(menuItem));
}
OrderItem item = new OrderItem(id, date, items);
orders.AddNewEntry(item);
}
rd.Close();
}
}
return(orders);
}
