func TestCreditPay(t *testing.T) {
engine := NewRuleEngine()
engine.AddExpression("($behavior.money > $behavior.user.limit * 0.9) && $behavior.type == \"consume\"", "creditpay_consume_larger_than_90_percent_limit")
engine.AddRule(&logic.Rule{Expression: "creditpay_consume_larger_than_90_percent_limit", Action: "alert"})
data := facts.NewFactCollection()
user := `
{
"type" : "consume",
"money" : 91,
"user" : {
"limit" : 100
}
}
`
fact := facts.NewFact(user)
data.Add("behavior", fact)
exprNames := engine.GetFiredExpressions(data)
if len(exprNames) == 0 {
t.Error()
}
actions := engine.GetAction(data)
if len(actions) == 0 {
t.Error()
}
if actions[0].Name != "alert" {
t.Error()
}
}
func Test(t *testing.T) {
engine := NewRuleEngine()
engine.AddExpression("$user.age > 35", "age_larger_than_35")
engine.AddExpression("$user.gender == \"male\"", "male")
engine.AddExpression("$user.gender == \"female\"", "female")
engine.AddRule(&logic.Rule{Expression: "age_larger_than_35 & male", Action: "Pass"})
data := facts.NewFactCollection()
user := `
{
"age" : 47,
"gender" : "male"
}
`
fact := facts.NewFact(user)
data.Add("user", fact)
exprNames := engine.GetFiredExpressions(data)
if len(exprNames) == 0 {
t.Error()
}
actions := engine.GetAction(data)
if actions[0].Name != "Pass" {
t.Error(actions)
}
}
func (self *RuleService) ServeHTTP(w http.ResponseWriter, req *http.Request) {
defer func() {
if r := recover(); r != nil {
log.Fatalln(r)
debug.PrintStack()
}
}()
log.Println(req.RemoteAddr, req.RequestURI, req.Method)
w.Header().Set("Content-Type", "application/json")
factCollection := facts.NewFactCollection()
for _, key := range self.keys {
fact := facts.NewFact(req.PostFormValue(key))
factCollection.Add(key, fact)
}
actions := self.ruleEngine.GetAction(factCollection)
output := rulengine.ConverActionListToActionRecords(actions)
results, _ := json.Marshal(output)
fmt.Fprint(w, string(results))
}