Function write_and_recover

nodedb-wal/src/double_write.rs:487–513

()

    #[test]
    fn write_and_recover() {
        let dir = tempfile::tempdir().unwrap();
        let dwb_path = dir.path().join("test.dwb");

        let mut dwb = open_buffered(&dwb_path);

        let record = WalRecord::new(
            RecordType::Put as u32,
            42,
            1,
            0,
            0,
            b"hello double-write".to_vec(),
            None,
            None,
        )
        .unwrap();

        dwb.write_record(&record).unwrap();

        // Recover by LSN.
        let recovered = dwb.recover_record(42).unwrap();
        assert!(recovered.is_some());
        let rec = recovered.unwrap();
        assert_eq!(rec.header.lsn, 42);
        assert_eq!(rec.payload, b"hello double-write");
    }

    #[test]
    fn recover_nonexistent_returns_none() {