Add a helper for checking not an absolute path err

Author: tchap

pkg/operator/staticpod/file_utils_linux_test.go

@@ -4,6 +4,7 @@ package staticpod
 
 import (
 	"bytes"
+	"fmt"
 	"os"
 	"path/filepath"
 	"testing"
@@ -105,7 +106,7 @@ func TestSwapDirectoriesAtomic(t *testing.T) {
 				return dirA, dirB
 			},
 			checkResult: func(t *testing.T, dirA, dirB string, err error) {
-				if err == nil || err.Error() != `not an absolute path: "a"` {
+				if !checkAbsolutePathError(err, "a") {
 					t.Errorf("Expected not an absolute path error, got %v", err)
 				}
 			},
@@ -118,7 +119,7 @@ func TestSwapDirectoriesAtomic(t *testing.T) {
 				return dirA, dirB
 			},
 			checkResult: func(t *testing.T, dirA, dirB string, err error) {
-				if err == nil || err.Error() != `not an absolute path: "b"` {
+				if !checkAbsolutePathError(err, "b") {
 					t.Errorf("Expected not an absolute path error, got %v", err)
 				}
 			},
@@ -133,6 +134,10 @@ func TestSwapDirectoriesAtomic(t *testing.T) {
 	}
 }
 
+func checkAbsolutePathError(err error, path string) bool {
+	return err != nil && err.Error() == fmt.Sprintf("not an absolute path: %q", path)
+}
+
 type fileState struct {
 	Content []byte
 	Perm    os.FileMode