archiver: Use untyped constants for testing FileInfo

internal/archiver/archiver_test.go

@@ -2022,6 +2022,14 @@ func (f fileStat) Stat() (os.FileInfo, error) {
 	return f.fi, nil
 }
 
+// used by wrapFileInfo, use untyped const in order to avoid having a version
+// of wrapFileInfo for each OS
+const (
+	mockFileInfoMode = 0400
+	mockFileInfoUID  = 51234
+	mockFileInfoGID  = 51235
+)
+
 func TestMetadataChanged(t *testing.T) {
 	files := TestDir{
 		"testfile": TestFile{
@@ -2061,8 +2069,8 @@ func TestMetadataChanged(t *testing.T) {
 		t.Fatalf("metadata does not match:\n%v", cmp.Diff(want, node2))
 	}
 
-	// modify the mode by wrapping it in a new struct
-	fs.OverrideLstat["testfile"] = wrapFileInfo(t, fi, 0400, 51234, 51235)
+	// modify the mode by wrapping it in a new struct, uses the consts defined above
+	fs.OverrideLstat["testfile"] = wrapFileInfo(t, fi)
 
 	// set the override values in the 'want' node which
 	want.Mode = 0400

internal/archiver/archiver_unix_test.go

@@ -23,18 +23,18 @@ func (fi wrappedFileInfo) Mode() os.FileMode {
 }
 
 // wrapFileInfo returns a new os.FileInfo with the mode, owner, and group fields changed.
-func wrapFileInfo(t testing.TB, fi os.FileInfo, mode os.FileMode, uid, gid uint) os.FileInfo {
+func wrapFileInfo(t testing.TB, fi os.FileInfo) os.FileInfo {
 	// get the underlying stat_t and modify the values
 	stat := fi.Sys().(*syscall.Stat_t)
-	stat.Mode = uint32(mode)
-	stat.Uid = uint32(uid)
-	stat.Gid = uint32(gid)
+	stat.Mode = mockFileInfoMode
+	stat.Uid = mockFileInfoUID
+	stat.Gid = mockFileInfoGID
 
 	// wrap the os.FileInfo so we can return a modified stat_t
 	res := wrappedFileInfo{
 		FileInfo: fi,
 		sys:      stat,
-		mode:     mode,
+		mode:     mockFileInfoMode,
 	}
 
 	return res

internal/archiver/archiver_windows_test.go

@@ -17,11 +17,11 @@ func (fi wrappedFileInfo) Mode() os.FileMode {
 }
 
 // wrapFileInfo returns a new os.FileInfo with the mode, owner, and group fields changed.
-func wrapFileInfo(t testing.TB, fi os.FileInfo, mode os.FileMode, uid, gid uint) os.FileInfo {
+func wrapFileInfo(t testing.TB, fi os.FileInfo) os.FileInfo {
 	// wrap the os.FileInfo and return the modified mode, uid and gid are ignored on Windows
 	res := wrappedFileInfo{
 		FileInfo: fi,
-		mode:     mode,
+		mode:     mockFileInfoMode,
 	}
 
 	return res