Function golden_strict_tuple_format

nodedb-strict/src/encode.rs:624–663

()

    /// schema_version u32 at [5..9].
    #[test]
    fn golden_strict_tuple_format() {
        let schema = crm_schema();
        let encoder = TupleEncoder::new(&schema);
        let values = vec![
            Value::Integer(1),
            Value::String("A".into()),
            Value::String("a@b.com".into()),
            Value::Decimal(rust_decimal::Decimal::ZERO),
            Value::Bool(false),
        ];
        let tuple = encoder.encode(&values).unwrap();

        // Magic at [0..4]: "NDST" LE = 0x5453_444E.
        assert_eq!(
            &tuple[0..4],
            &0x5453_444Eu32.to_le_bytes(),
            "magic mismatch"
        );
        assert_eq!(&tuple[0..4], b"NDST", "magic bytes mismatch");

        // FORMAT_VERSION == 1 at [4].
        assert_eq!(tuple[4], FORMAT_VERSION, "format_version mismatch");
        assert_eq!(tuple[4], 1u8, "expected FORMAT_VERSION == 1");

        // schema_version u32 LE at [5..9].
        let schema_ver = u32::from_le_bytes([tuple[5], tuple[6], tuple[7], tuple[8]]);
        assert_eq!(
            schema_ver, 1u32,
            "schema_version must be 1 for version-1 schema"
        );

        // null bitmap at [9]: no nulls → 0.
        assert_eq!(tuple[9], 0u8, "expected no null bits");

        // Tuple must be longer than the 10-byte header.
        assert!(
            tuple.len() > 10,
            "tuple must contain fixed/variable data after header"
        );
    }
}