import unittest
import types
import sys

# Avoid runtime import of real app/aiogram in services.runner.
sys.modules.setdefault("app", types.SimpleNamespace(RESTIC_ENV={}))

from services.disk_report import _top_dirs_cmd


class DiskReportTests(unittest.TestCase):
    def test_top_dirs_cmd_uses_exec_args_without_shell(self):
        cmd = _top_dirs_cmd("/tmp/path with spaces", 5)
        self.assertEqual(cmd[:4], ["du", "-x", "-h", "-d"])
        self.assertNotIn("bash", cmd)
        self.assertNotIn("-lc", cmd)
        self.assertEqual(cmd[-1], "/tmp/path with spaces")


if __name__ == "__main__":
    unittest.main()