import pytest
import state_json

def test_saveAndLoad(tmp_path):
    file = tmp_path / "test.json"
    state = {"key": [10, 20, None], "another_key": "value"}

    state_json.save(file, state)
    
    assert state_json.load(file) == state

def test_missingFile(tmp_path):
    assert state_json.load(tmp_path / "missing.json") == {}