public void CanReadMethods()
{
var condition = new ExpressionCondition("Person.IsMinor", "is true");
var action = new AssignAction("Person.Salutation", "To the parents of");
var rule = CreateTestRule(condition, action);
_ruleSet.AddRule(rule);
var engine = WFRuleEngine.Compile(_ruleSet);
var person = new TestPerson { BirthDate = DateTime.Today };
_workingMemory.Add("Person", person);
engine.Invoke(_workingMemory);
Assert.AreEqual("To the parents of", person.Salutation);
}
public void RuleSetIsValidIfRulesAreValid()
{
var rule = new Rule { Name = "First Rule", TopCondition = new LogicCondition { Operator = "all" } };
var action1 = new AssignAction { LeftHandSide = "Person.Salutation", Value = "Mr." };
var action2 = new AssignAction { LeftHandSide = "Person.Greeting", Value = "Hello" };
rule.AddAction(action1);
rule.AddAction(action2);
var rs = new RuleSet { Name = "Whatever" };
rs.AddInput("Person", typeof(TestPerson));
rs.AddRule(rule);
Assert.IsTrue(rs.IsValid());
}
public void CanReadAndWriteProperties()
{
var condition = new ExpressionCondition("Person.Sex", "is", "Male");
var action = new AssignAction("Person.Salutation", "Mr.");
Rule rule = CreateTestRule(condition, action);
_ruleSet.AddRule(rule);
var person = new TestPerson { Sex = "Male" };
var engine = WFRuleEngine.Compile(_ruleSet);
_workingMemory.Add("Person", person);
engine.Invoke(_workingMemory);
Assert.AreEqual("Mr.", person.Salutation);
}
public void InvokingWithIncorrectWorkingMemoryThrowsAnException()
{
var rule = new Rule { Name = "First Rule", TopCondition = new LogicCondition { Operator = "all" } };
var action1 = new AssignAction { LeftHandSide = "Person.Salutation", Value = "Mr." };
rule.AddAction(action1);
var rs = new RuleSet { Name = "Whatever" };
rs.AddInput("Person", typeof(TestPerson));
rs.AddRule(rule);
IRuleEngine engine = WFRuleEngine.Compile(rs);
Assert.Throws(typeof(InvalidWorkflowException), delegate
{
engine.Invoke(_workingMemory);
});
}
private Rule CreateTestRule(ExpressionCondition condition, AssignAction action)
{
var rule = new Rule { Name = "Rule 1", TopCondition = new LogicCondition { Operator = "all" } };
rule.TopCondition.AddCondition(condition);
rule.AddAction(action);
return rule;
}
public void AddAction(AssignAction action)
{
Actions.Add(action);
}
