增加规则验证

test/TutorialExample_test.go

@@ -0,0 +1,64 @@
+package test
+
+import (
+	"fmt"
+	"github.com/hyperjumptech/grule-rule-engine/ast"
+	"github.com/hyperjumptech/grule-rule-engine/builder"
+	"github.com/hyperjumptech/grule-rule-engine/engine"
+	"github.com/hyperjumptech/grule-rule-engine/pkg"
+	"github.com/stretchr/testify/assert"
+	"log"
+	"testing"
+	"time"
+)
+
+type MyFact struct {
+	IntAttribute     int64
+	StringAttribute  string
+	BooleanAttribute bool
+	FloatAttribute   float64
+	TimeAttribute    time.Time
+	WhatToSay        string
+}
+
+func (mf *MyFact) GetWhatToSay(sentence string) string {
+	return fmt.Sprintf("Let say \"%s\"", sentence)
+}
+
+func TestTutorial(t *testing.T) {
+	myFact := &MyFact{
+		IntAttribute:     1231,
+		StringAttribute:  "1Some string value",
+		BooleanAttribute: true,
+		FloatAttribute:   1.234,
+		TimeAttribute:    time.Now(),
+	}
+	dataCtx := ast.NewDataContext()
+	err := dataCtx.Add("MF", myFact)
+	assert.NoError(t, err)
+
+	// Prepare knowledgebase library and load it with our rule.
+	knowledgeLibrary := ast.NewKnowledgeLibrary()
+	ruleBuilder := builder.NewRuleBuilder(knowledgeLibrary)
+
+	drls := `
+rule CheckValues "Check the default values" salience 10 {
+    when 
+        MF.IntAttribute == 123 && MF.StringAttribute == "Some string value"
+    then
+        MF.WhatToSay = MF.GetWhatToSay("你好");
+		Retract("CheckValues");
+}
+`
+	byteArr := pkg.NewBytesResource([]byte(drls))
+	err = ruleBuilder.BuildRuleFromResource("Tutorial", "0.0.1", byteArr)
+	assert.NoError(t, err)
+
+	knowledgeBase := knowledgeLibrary.NewKnowledgeBaseInstance("Tutorial", "0.0.1")
+
+	engine := engine.NewGruleEngine()
+	err = engine.Execute(dataCtx, knowledgeBase)
+	if err != nil {
+		log.Fatal(err)
+	}
+}