import pytest

from nova_plan.toy_contracts import toy_local_problem_contract, sign_toy_contract
from nova_plan.contracts import SignerStore


def test_toy_contract_seed_and_signing():
    # Register a simple signer key for MVP provenance
    SignerStore.register("tester", "secret-key-123")

    # Create toy contract and ensure it's registered in the CaC registry
    contract = toy_local_problem_contract()
    assert contract.contract_id == "toy-lp"

    # Sign the toy contract and ensure a signature is produced
    signed = sign_toy_contract("tester")
    assert signed is not None
    assert hasattr(signed, "signature")
    assert signed.signature is not None