def test_calc_response_contract(client, alter_token, minimal_calc_config):
    response = client.post(
        '/api/calc',
        headers={'alter-token': alter_token},
        json=minimal_calc_config,
    )

    assert response.status_code == 200
    payload = response.json()
    assert payload['code'] == 200
    assert payload['message'] == 'Success'
    assert isinstance(payload['data'], dict)

    data = payload['data']
    assert set(['uuid', 'skills', 'info', 'suits', 'buffer']).issubset(data)
    assert isinstance(data['uuid'], str)
    assert isinstance(data['skills'], list)
    assert isinstance(data['info'], list)
    assert isinstance(data['buffer'], bool)