from sqlmodel import Session, SQLModel, create_engine


def test_safety_signature_ignores_identical_discovery_history(tmp_path):
    from backend.app.db.models import DiscoveredContainer, DiscoveryRun
    from backend.app.services import inventory_discovery, safety_center_service

    engine = create_engine(f"sqlite:///{tmp_path / 'safety-signature.db'}")
    SQLModel.metadata.create_all(engine)

    with Session(engine) as session:
        session.add(DiscoveryRun(id="disc-1", status="success", containers_found=1))
        session.add(DiscoveredContainer(
            id="dc-1", discovery_run_id="disc-1", container_id="container-1",
            name="AppOps", image="appops:test", state="running", status="running",
            import_status="managed", matched_app_id="appops",
        ))
        session.commit()
    inventory_discovery.invalidate_discovery_cache()
    with Session(engine) as session:
        first = safety_center_service._source_signature(session)

    with Session(engine) as session:
        session.add(DiscoveryRun(id="disc-2", status="success", containers_found=1))
        session.add(DiscoveredContainer(
            id="dc-2", discovery_run_id="disc-2", container_id="container-1",
            name="AppOps", image="appops:test", state="running", status="running",
            import_status="managed", matched_app_id="appops",
        ))
        session.commit()
    inventory_discovery.invalidate_discovery_cache()
    with Session(engine) as session:
        second = safety_center_service._source_signature(session)

    assert second == first