);
                    assert_eq!(
                        navigation.entire_logs_navs.file_id,
                        Some(file::log_id_parts_hash(*hash, path))

                    let file_id = file::log_id_parts_hash(*hash, path);
                    if navigation.log_diffs.diffs.contains_key(&file_id) {
                        assert_eq!(
                            navigation.entire_logs_navs.file_id,
                            Some(file_id)
                        );
                    }