Function open_array_idempotent_for_same_hash

nodedb/src/engine/array/engine.rs:217–247

()

    #[test]
    fn open_array_idempotent_for_same_hash() {
        use crate::engine::array::wal::ArrayPutCell;
        use nodedb_array::types::cell_value::value::CellValue;
        use nodedb_array::types::coord::value::CoordValue;
        use tempfile::TempDir;

        let dir = TempDir::new().unwrap();
        let mut e = ArrayEngine::new(ArrayEngineConfig::new(dir.path().to_path_buf())).unwrap();
        // First open registers the store and a put stamps memtable state.
        e.open_array(aid(), schema(), 0xC0FFEE).unwrap();
        e.put_cells(
            &aid(),
            vec![ArrayPutCell {
                coord: vec![CoordValue::Int64(4), CoordValue::Int64(4)],
                attrs: vec![CellValue::Int64(99)],
                surrogate: nodedb_types::Surrogate::ZERO,
                system_from_ms: 0,
                valid_from_ms: 0,
                valid_until_ms: i64::MAX,
            }],
            1,
        )
        .unwrap();
        // Second open with the same hash must NOT reset state.
        e.open_array(aid(), schema(), 0xC0FFEE).unwrap();
        assert_eq!(
            e.store(&aid()).unwrap().memtable.stats().cell_count,
            1,
            "idempotent re-open must preserve memtable contents"
        );
    }

    #[test]
    fn open_array_rejects_different_hash() {