private static void AddDefaultRuleSet(List <RuleExpression <TTarget> > ruleExpressions, RuleBase <TTarget> ruleBase)
{
var defaultRuleSet = new RuleSet <TTarget>();
ruleExpressions.ForEach(ruleBuilder => defaultRuleSet.AddRule(ruleBuilder));
ruleBase.AddRuleSet(defaultRuleSet);
}
public void ShouldForwardChainRules()
{
var ruleBase = new RuleBase<Target>();
var ruleSet = new RuleSet<Target>();
var rule = new Rule<Target>("rule 1", "description of rule 1", t => t.Number == 0, t => t.Number = 1);
var rule2 = new Rule<Target>("rule 2", "", t => t.Number == 1, t => t.Number = 2);
ruleSet.AddRule(rule);
ruleSet.AddRule(rule2);
ruleBase.AddRuleSet(ruleSet);
var target = new Target();
var ruleEngine = new RuleEngine<Target>(ruleBase);
ruleEngine.Execute(target);
Assert.Equal(2, target.Number);
}
public void ShouldExecuteRuleEngineOnSeveralTargets()
{
var ruleBase = new RuleBase<Target>();
var ruleSet = new RuleSet<Target>();
var rule = new Rule<Target>("rule 1", "", t => t.Number == 0, t => t.Number = 1);
ruleSet.AddRule(rule);
ruleBase.AddRuleSet(ruleSet);
var ruleEngine = new RuleEngine<Target>(ruleBase);
var target = new Target();
ruleEngine.Execute(target);
Assert.Equal(1, target.Number);
var newTarget = new Target();
ruleEngine.Execute(newTarget);
Assert.Equal(1, newTarget.Number);
}
public void ShouldForwardChainRules()
{
var ruleBase = new RuleBase <Target>();
var ruleSet = new RuleSet <Target>();
var rule = new Rule <Target>("rule 1", "description of rule 1", t => t.Number == 0, t => t.Number = 1);
var rule2 = new Rule <Target>("rule 2", "", t => t.Number == 1, t => t.Number = 2);
ruleSet.AddRule(rule);
ruleSet.AddRule(rule2);
ruleBase.AddRuleSet(ruleSet);
var target = new Target();
var ruleEngine = new RuleEngine <Target>(ruleBase);
ruleEngine.Execute(target);
Assert.Equal(2, target.Number);
}
public void ShouldExecuteRuleEngineOnSeveralTargets()
{
var ruleBase = new RuleBase <Target>();
var ruleSet = new RuleSet <Target>();
var rule = new Rule <Target>("rule 1", "", t => t.Number == 0, t => t.Number = 1);
ruleSet.AddRule(rule);
ruleBase.AddRuleSet(ruleSet);
var ruleEngine = new RuleEngine <Target>(ruleBase);
var target = new Target();
ruleEngine.Execute(target);
Assert.Equal(1, target.Number);
var newTarget = new Target();
ruleEngine.Execute(newTarget);
Assert.Equal(1, newTarget.Number);
}