Use the new cron lib.

code/test/cron_test.go

@@ -1,13 +1,53 @@
 package test
 
 import (
+	"fmt"
+	"github.com/eyebluecn/tank/code/core"
 	"github.com/robfig/cron/v3"
+	"log"
 	"testing"
+	"time"
 )
 
+func TestEveryOneSecondCron(t *testing.T) {
+
+	i := 0
+	customMethod := true
+
+	var c *cron.Cron
+	var spec string
+	if customMethod {
+		//use custom cron. every 1 second.
+		c = cron.New(cron.WithSeconds())
+		spec = "*/1 * * * * ?"
+	} else {
+		c = cron.New()
+		spec = "@every 1s"
+	}
+
+	entryId, err := c.AddFunc(spec, func() {
+		i++
+		log.Println("cron running:", i)
+		if i == 5 {
+			return
+		}
+	})
+	fmt.Printf("entryId = %d\n", entryId)
+	core.PanicError(err)
+
+	c.Start()
+
+	time.Sleep(3500 * time.Millisecond)
+	if i != 3 {
+		t.Errorf("should be 3\n")
+	}
+	fmt.Printf("i = %d", i)
+
+}
+
 func TestValidateCron(t *testing.T) {
 
-	spec := "*/1 * * * * ?"
+	spec := "@every 1s"
 	_, err := cron.ParseStandard(spec)
 	if err != nil {
 		t.Error(err)