Function default_kind_is_omitted_and_hash_stable

atomic-canonical/src/node.rs:545–573

()

    /// definition), proving the field is real — not silently dropped.
    #[test]
    fn default_kind_is_omitted_and_hash_stable() {
        let n = node();
        assert_eq!(n.kind, "feature");

        // Proof of byte-identity: an ordinary intent carries NO `kind` key, so
        // its JSON (and every hash derived from it) matches the pre-`kind`
        // fixture exactly.
        let value = n.to_value();
        assert!(
            value.as_object().unwrap().get("kind").is_none(),
            "default kind must not appear in the canonical JSON"
        );

        let base_content = n.compute_content_hash();
        let base_substance = intent_substance_hash(&n);

        // Re-asserting the default kind changes nothing (still omitted).
        let mut still_default = n.clone();
        still_default.kind = default_kind();
        assert_eq!(still_default.compute_content_hash(), base_content);
        assert_eq!(intent_substance_hash(&still_default), base_substance);

        // A review kind IS serialized, and moves both hashes.
        let mut review = n.clone();
        review.kind = "review".to_string();
        assert!(review.to_value().as_object().unwrap().get("kind").is_some());
        assert_ne!(review.compute_content_hash(), base_content);
        assert_ne!(intent_substance_hash(&review), base_substance);
    }
}