public void BasicOperatorTest()
{
// rule DTO
var car = new CarDTO
{
Make = "Ford",
Year=2010,
Model="Expedition",
AskingPrice=10000.0000m,
SellingPrice=9000.0000m
};
// build up some rules
var carRule1 = new Rule("Year", "2010", "GreaterThanOrEqual");
var carRule2 = new Rule("AskingPrice", "10000.0000", "LessThanOrEqual");
var carRule3= new Rule("Make", "Ford", "Equals");
var carRule4 = new Rule("Model", "Ex", "StartsWith"); //gets the excursion, explorer, expedition -gass guzzlers
var re = new RuleEngine();
// Compile the rules as a seperate step
Func<CarDTO, bool> carRule1Compiled = re.Compile<CarDTO>(carRule1);
Func<CarDTO, bool> carRule2Compiled = re.Compile<CarDTO>(carRule2);
Func<CarDTO, bool> carRule3Compiled = re.Compile<CarDTO>(carRule3);
Func<CarDTO, bool> carRule4Compiled = re.Compile<CarDTO>(carRule4);
Assert.AreEqual(true,carRule1Compiled(car));
Assert.AreEqual(true,carRule2Compiled(car));
Assert.AreEqual(true,carRule3Compiled(car));
Assert.AreEqual(true,carRule4Compiled(car));
}
public void TestRuleCompilation()
{
var basketItem = new BasketItem(3, null);
List <Func <BasketItem, bool> > gs = new List <Func <BasketItem, bool> >
{
basketItem => basketItem.Num >= 2,
basketItem => basketItem.Num >= 4
};
var fs = _rules.Select(x => _ruleEngine.Compile <BasketItem, bool>(x));
Assert.That(fs, Is.All.InstanceOf <Func <BasketItem, bool> >());
Assert.AreEqual(gs.Select(g => g(basketItem)),
fs.Select(f => f(basketItem)));
}
