public void TestOfMax()
{
CustomerFactory factory = new CustomerFactory(new ObjectContext(CreateDataStore()));
ObjectList <Customer> customers = factory.FindAllObjects();
Agenda agenda = new Agenda();
agenda.LoadRulesFromAssemblies = false;
agenda.AddObjects(customers);
Variable customer_var = new Variable("Customer");
Variable orders = new Variable("Orders");
Variable order = new Variable("Order");
Variable orderamount = new Variable("OrderAmount");
Variable max = new Variable("OrderAmountMaximum");
Aggregator ag = new Aggregator("Maximum of customer order OrderAmount.");
ag.GroupBy = customer_var;
ag.AggregatorFunction = new Maximum("$Customer.Orders.Order.OrderAmount");
ag.AddConditionToLHS(new AND(customer_var, "$Customer.Orders", orders));
ag.AddConditionToLHS(new AND(orders, "$Customer.Orders.Order", order));
ag.AddConditionToLHS(new AND(order, "$Customer.Orders.Order.OrderAmount", orderamount));
agenda.AddAggregator(ag);
Production mostSimple = new Production("If Big Spender");
mostSimple.AddConditionToLHS(new AND(customer_var, "Maximum", max));
mostSimple.AddConditionToRHS(new INVOKE("shout", customer_var, "Shout", max));
agenda.AddProduction(mostSimple);
agenda.Run();
agenda.VisualizeNetworkToFile(@"C:\Temp\TestOfMax.log", false);
Assert.IsTrue(agenda.TotalFacts == 22, "Bad");
Assert.IsTrue(agenda.ActionsTaken.Count == 2, "Bad");
Assert.IsTrue(agenda.ActionsSkipped.Count == 0, "Bad");
Assert.IsTrue(agenda.ActivatedRuleCount == 1, "Bad");
foreach (Customer customer in customers)
{
Assert.IsTrue(customer.Result != null && customer.Result.StartsWith("Shout"), "Did not invoke method.");
}
}