import json
import tempfile
import unittest
from pathlib import Path

from common_util.common_util_json import atomic_write_json


class AtomicWriteJsonTest(unittest.TestCase):
    def test_atomic_write_json(self) -> None:
        with tempfile.TemporaryDirectory() as temporary_directory:
            target = Path(temporary_directory) / "nested" / "result.json"
            value = {"status": "완료", "items": [1, 2, 3]}

            atomic_write_json(target, value)

            self.assertEqual(json.loads(target.read_text(encoding="utf-8")), value)
            self.assertEqual(list(target.parent.glob("*.tmp")), [])