feat: add auto route healthcheck

util/helpers.go

@@ -10,11 +10,13 @@ You may get a copy of the License at
     http://www.apache.org/licenses/LICENSE-2.0
 */
 import (
+	"github.com/robfig/cron/v3"
 	"net/url"
 	"os"
 	"regexp"
 	"strconv"
 	"strings"
+	"time"
 )
 
 // FileExists checks if the file does exist
@@ -122,3 +124,21 @@ func UrlParsePath(uri string) string {
 func HasWhitespace(s string) bool {
 	return regexp.MustCompile(`\s`).MatchString(s)
 }
+
+// IsValidCronExpression verify cronExpression and returns boolean
+func IsValidCronExpression(cronExpr string) bool {
+	// Parse the cron expression
+	_, err := cron.ParseStandard(cronExpr)
+	return err == nil
+}
+
+func ParseDuration(durationStr string) (time.Duration, error) {
+	if durationStr == "" {
+		return 0, nil
+	}
+	duration, err := time.ParseDuration(durationStr)
+	if err != nil {
+		return 0, err
+	}
+	return duration, nil
+}

util/util_test.go

@@ -1 +1,35 @@
 package util
+
+import (
+	"log"
+	"testing"
+	"time"
+)
+
+func TestConExpression(t *testing.T) {
+	cronExpression := "@every 30s"
+	if !IsValidCronExpression(cronExpression) {
+		t.Fatal("Cron expression should be valid")
+	}
+	log.Println(" Cron is valid")
+
+}
+
+func TestParseDuration(t *testing.T) {
+	d1, err1 := ParseDuration("20s")
+	if err1 != nil {
+		t.Error("Error:", err1)
+	} else {
+		log.Printf("Parsed duration: %d", d1)
+		log.Printf("Time out: %s\n", time.Now().Add(d1))
+
+	}
+	d2, err2 := ParseDuration("10m")
+	if err2 != nil {
+		t.Errorf("Error: %v", err2)
+	} else {
+		log.Printf("Parsed duration: %d\n", d2)
+		log.Printf("Time out: %s\n", time.Now().Add(d2))
+
+	}
+}