from spacesafeml_certification_benchmark_and_.governance.ledger import Ledger


def test_ledger_basic():
    led = Ledger()
    e1 = led.add_entry({"event": "test-1"})
    e2 = led.add_entry({"event": "test-2"})
    chain = led.get_chain()
    assert len(chain) == 2
    assert chain[0]["payload"]["event"] == "test-1"
    assert chain[1]["payload"]["event"] == "test-2"
    assert chain[0]["hash"] == e1.hash
    assert chain[1]["hash"] == e2.hash