public void Execute_First_Null_Arg_Test()
{
RuleEngine<Order> engine = new RuleEngine<Order>();
Order order = new Order();
string error;
engine.Execute(null, ref order, out error);
}
public void Initialize()
{
//New instance of Order
_order = new Order()
{
Id = 123,
Items = new List<OrderItem>()
{
new OrderItem()
{
BasePricePerItem = 10,
Quantity = 2,
Discount = 2
}
},
OrderNumber = "test",
LastUpdatedUtc = new DateTime(1969, 7, 21),
TimeOfOrderUtc = new DateTime(1969, 7, 21),
Customer = new Customer(),
IsPlaced = true,
BillingAddress = new Address(),
ShippingAddress = new Address(),
AffiliateId = "test",
OrderDiscount = 3.14159265D
};
}
public void Execute_Null_OrderItem_Test()
{
RuleEngine<Order> engine = new RuleEngine<Order>();
Order order = new Order();
string error;
engine.Execute(
ConfigurationManager.AppSettings["RuleFilePath"],
ref order,
out error);
}
public void Execute_InValidRulePath_Test()
{
RuleEngine<Order> engine = new RuleEngine<Order>();
Order order = new Order()
{
Items = new List<OrderItem>()
};
string error;
Assert.IsTrue(engine.Execute(
"test",
ref order,
out error));
}
public void Execute_Empty_Object_Test()
{
RuleEngine<Order> engine = new RuleEngine<Order>();
Order order = new Order()
{
Items = new List<OrderItem>()
};
string error;
Assert.IsTrue(engine.Execute(
ConfigurationManager.AppSettings["RuleFilePath"],
ref order,
out error));
}
public Order CalculateOrderTotal(Order order)
{
if (order == null)
{
throw new ArgumentNullException("order");
}
string errorMessage;
if (_ruleExecutor.Execute(
ConfigurationManager.AppSettings["RuleFilePath"],
ref order,
out errorMessage))
{
return order;
}
throw new BusinessException(errorMessage);
}
public void Execute_InValidRuleFile_Test()
{
RuleEngine<Order> engine = new RuleEngine<Order>();
Order order = new Order()
{
Items = new List<OrderItem>()
};
string path = Environment.CurrentDirectory + "\\test.txt";
using (var stream = File.Create(path))
{
stream.Close();
}
string error;
Assert.IsTrue(engine.Execute(
path,
ref order,
out error));
}
public void Execute_CustomerMoreThan2_LessThan_890_Test()
{
RuleEngine<Order> engine = new RuleEngine<Order>();
var order = new Order
{
Id = 1,
Customer = new Customer { RegisteredOnUtc = DateTime.UtcNow.AddYears(3) },
Items = new List<OrderItem>()
};
order.Items.Add(new OrderItem
{
BasePricePerItem = 100,
Quantity = 8,
ItemType = ProductItemType.Apparel
});
order.Items.Add(new OrderItem
{
BasePricePerItem = 90,
Quantity = 1,
ItemType = ProductItemType.Grocery
});
string error;
Assert.IsTrue(engine.Execute(
ConfigurationManager.AppSettings["RuleFilePath"],
ref order,
out error));
Assert.AreEqual(order.TotalOrderDiscounts, 40D + 40D);
}
public void Execute_Affiliate_LessThan_890_Test()
{
RuleEngine<Order> engine = new RuleEngine<Order>();
var order = new Order
{
Id = 1,
Customer = new Customer (),
Items = new List<OrderItem>(),
AffiliateId = "AFF-10"
};
order.Items.Add(new OrderItem
{
BasePricePerItem = 100,
Quantity = 8,
ItemType = ProductItemType.Apparel
});
order.Items.Add(new OrderItem
{
BasePricePerItem = 90,
Quantity = 1,
ItemType = ProductItemType.Grocery
});
string error;
Assert.IsTrue(engine.Execute(
ConfigurationManager.AppSettings["RuleFilePath"],
ref order,
out error));
Assert.AreEqual(order.TotalOrderDiscounts, 80D + 40D);
}
public void Execute_EmployeeNoDiscountOnGrocery_LessThan_100_Test()
{
RuleEngine<Order> engine = new RuleEngine<Order>();
var order = new Order
{
Id = 1,
Customer = new Customer { IsEmployee = true },
Items = new List<OrderItem>()
};
order.Items.Add(new OrderItem
{
BasePricePerItem = 50,
Quantity = 1,
ItemType = ProductItemType.Grocery
});
string error;
Assert.IsTrue(engine.Execute(
ConfigurationManager.AppSettings["RuleFilePath"],
ref order,
out error));
Assert.AreEqual(order.TotalOrderDiscounts, 0D);
}
static void Main(string[] args)
{
// employee
var order1 = new Order
{
Id = 1,
Customer = new Customer { IsEmployee = true },
Items = new List<OrderItem>()
};
order1.Items.Add(new OrderItem
{
BasePricePerItem = 40,
Quantity = 1,
ItemType = ProductItemType.Apparel
});
order1.Items.Add(new OrderItem
{
BasePricePerItem = 50,
Quantity = 1,
ItemType = ProductItemType.Grocery
});
var service = new OrderOperation(new RuleEngine<Order>());
var result1 = service.CalculateOrderTotal(order1);
Console.WriteLine(result1.TotalGrand);
// Affiliate
var order2 = new Order
{
Id = 1,
Customer = new Customer(),
Items = new List<OrderItem>(),
AffiliateId = "AFF-10"
};
order2.Items.Add(new OrderItem
{
BasePricePerItem = 40,
Quantity = 1,
ItemType = ProductItemType.Apparel
});
order2.Items.Add(new OrderItem
{
BasePricePerItem = 50,
Quantity = 1,
ItemType = ProductItemType.Grocery
});
var result2 = service.CalculateOrderTotal(order2);
Console.WriteLine(result2.TotalGrand);
// more than 2 year
var order3 = new Order
{
Id = 1,
Customer = new Customer { RegisteredOnUtc = DateTime.UtcNow.AddYears(3) },
Items = new List<OrderItem>()
};
order3.Items.Add(new OrderItem
{
BasePricePerItem = 40,
Quantity = 1,
ItemType = ProductItemType.Apparel
});
order3.Items.Add(new OrderItem
{
BasePricePerItem = 50,
Quantity = 1,
ItemType = ProductItemType.Grocery
});
var result3 = service.CalculateOrderTotal(order3);
Console.WriteLine(result3.TotalGrand);
// no discount
var order = new Order
{
Id = 1,
Customer = new Customer() {RegisteredOnUtc = DateTime.UtcNow.AddYears(1)},
Items = new List<OrderItem>()
};
order.Items.Add(new OrderItem
{
BasePricePerItem = 40,
Quantity = 1,
ItemType = ProductItemType.Apparel
});
order.Items.Add(new OrderItem
{
BasePricePerItem = 50,
Quantity = 1,
ItemType = ProductItemType.Grocery
});
var result4 = service.CalculateOrderTotal(order);
Console.WriteLine(result4.TotalGrand);
Console.ReadKey();
}
