from gravityweave.registry import Registry
from gravityweave.ledger import GovernanceLedger


def test_registry_contract_and_adapter():
    reg = Registry()
    schema = {"type": "object", "properties": {"node_id": {"type": "string"}}}
    cid = reg.register_contract("LocalProblem", schema, version="0.1")
    assert cid.startswith("LocalProblem:")
    retrieved = reg.get_contract(cid)
    assert retrieved["schema"]["type"] == "object"

    aid = reg.register_adapter("sat_planner", cid, {"desc": "toy"})
    adapters = reg.list_adapters()
    assert any(a["name"] == "sat_planner" for a in adapters)


def test_governance_ledger_append_and_verify():
    key = b"node-secret"
    ledger = GovernanceLedger(key)
    e1 = ledger.append("node1", {"action": "register", "contract": "c1"})
    e2 = ledger.append("node1", {"action": "update", "contract": "c1"})
    assert ledger.verify_chain() is True
    entries = ledger.entries()
    assert entries[0]["author"] == "node1"