from gridverse.registry import GraphContractRegistry


def test_contract_with_meta_roundtrip():
    registry = GraphContractRegistry()
    contract_type = "LocalProblem"
    version = "0.2"
    payload = {"id": "lp-3", "name": "third"}
    metadata = {"owner": "team-A", "source": "unit-test"}

    registry.register_contract_with_meta(contract_type, version, payload, metadata)

    entry = registry.get_contract_with_meta(contract_type, version)
    assert isinstance(entry, dict)
    assert entry.get("payload") == payload
    assert entry.get("metadata").get("owner") == "team-A"