add fuzz test in internal/source

Author: darkowlzz

internal/source/source_test.go

@@ -25,6 +25,7 @@ import (
 	"testing"
 	"time"
 
+	fuzz "github.com/AdaLogics/go-fuzz-headers"
 	"github.com/ProtonMail/go-crypto/openpgp"
 	extgogit "github.com/go-git/go-git/v5"
 	"github.com/go-git/go-git/v5/config"
@@ -86,6 +87,18 @@ func init() {
 	log.SetLogger(logr.New(log.NullLogSink{}))
 }
 
+func Fuzz_templateMsg(f *testing.F) {
+	f.Add("template", []byte{})
+	f.Add("", []byte{})
+
+	f.Fuzz(func(t *testing.T, template string, seed []byte) {
+		var values TemplateData
+		fuzz.NewConsumer(seed).GenerateStruct(&values)
+
+		_, _ = templateMsg(template, &values)
+	})
+}
+
 func TestNewSourceManager(t *testing.T) {
 	namespace := "test-ns"
 	gitRepoName := "foo"