public void TwoLevelsDependency_FirstLevel_DependantOfDependant()
{
var order = new Order();
Assert.Equal(-1, order.TotalCost);
Assert.Equal("ShortOrderLine is empty", order.ShortOrderLine);
order.Properties = new OrderProperties();
Assert.Equal(0, order.TotalCost);
Assert.Equal("Order has total cost = 0", order.ShortOrderLine);
order.Properties.Price = 12;
Assert.Equal(0, order.TotalCost);
Assert.Equal("Order has total cost = 0", order.ShortOrderLine);
order.Properties.Quantity = 10;
Assert.Equal(120, order.TotalCost);
Assert.Equal("Order has total cost = 120", order.ShortOrderLine);
}
private static string BuildOrderLine(Order order)
{
return order.Properties == null ? "Order is empty"
: string.Format("Order category: {0}, price = {1}, quantity = {2}", order.Properties.Category, order.Properties.Price, order.Properties.Quantity);
}
public void TwoLevelsDependency_UpdateMiddleThenLastLevelValues()
{
var order = new Order();
Assert.Equal(-1, order.TotalCost);
Assert.Equal("Order is empty", order.OrderLine);
order.Properties = new OrderProperties { Category = "Laptops", Price = 11, Quantity = 4 };
Assert.Equal(44, order.TotalCost);
Assert.Equal("Order category: Laptops, price = 11, quantity = 4", order.OrderLine);
order.Properties.Price = 10;
Assert.Equal(40, order.TotalCost);
Assert.Equal("Order category: Laptops, price = 10, quantity = 4", order.OrderLine);
//Update middle level
order.Properties = new OrderProperties { Category = "Phones", Price = 5, Quantity = 9 };
Assert.Equal(45, order.TotalCost);
Assert.Equal("Order category: Phones, price = 5, quantity = 9", order.OrderLine);
order.Properties.Category = "Desktops";
Assert.Equal(45, order.TotalCost);
Assert.Equal("Order category: Desktops, price = 5, quantity = 9", order.OrderLine);
}
public void TwoLevelsDependency_UpdateMiddleLevel_NonDefaultLastLevelValues()
{
var order = new Order();
Assert.Equal(-1, order.TotalCost);
Assert.Equal("Order is empty", order.OrderLine);
order.Properties = new OrderProperties { Category = "Laptops", Price = 11, Quantity = 4 };
Assert.Equal(44, order.TotalCost);
Assert.Equal("Order category: Laptops, price = 11, quantity = 4", order.OrderLine);
}
public void TwoLevelsDependency_UpdateMiddleLevel_DefaultLastLevelValues()
{
var order = new Order();
Assert.Equal(-1, order.TotalCost);
Assert.Equal("Order is empty", order.OrderLine);
order.Properties = new OrderProperties();
Assert.Equal(0, order.TotalCost);
Assert.Equal("Order category: , price = 0, quantity = 0", order.OrderLine);
}
public void TwoLevelsDependency_UpdateLastLevelValues()
{
var order = new Order();
Assert.Equal(-1, order.TotalCost);
Assert.Equal("Order is empty", order.OrderLine);
order.Properties = new OrderProperties { Category = "Laptops", Price = 11, Quantity = 4 };
Assert.Equal(44, order.TotalCost);
Assert.Equal("Order category: Laptops, price = 11, quantity = 4", order.OrderLine);
order.Properties.Price = 10;
Assert.Equal(40, order.TotalCost);
Assert.Equal("Order category: Laptops, price = 10, quantity = 4", order.OrderLine);
order.Properties.Quantity = 7;
Assert.Equal(70, order.TotalCost);
Assert.Equal("Order category: Laptops, price = 10, quantity = 7", order.OrderLine);
order.Properties.Category = "Desktops";
Assert.Equal(70, order.TotalCost);
Assert.Equal("Order category: Desktops, price = 10, quantity = 7", order.OrderLine);
}
public void TwoLevelsDependency_UpdateDedendantsInitially()
{
var order = new Order();
Assert.Equal(-1, order.TotalCost);
Assert.Equal("Order is empty", order.OrderLine);
}