"""docs/env_switches.tsv lists every DM_* switch the code reads, each with a class and a meaning (dm/tools/env_switches.py writes it; class and meaning are kept by hand).
A switch the code reads that the table does not list, a row for a switch nothing reads any more, or a row without a meaning fails here."""
from pathlib import Path
import subprocess
import sys
import unittest

REPO = Path(__file__).resolve().parents[3]


class EnvSwitches(unittest.TestCase):
    def test_table_is_current_and_complete(self):
        r = subprocess.run([sys.executable, str(REPO / 'dm/tools/env_switches.py'), '--check'], cwd=REPO, capture_output=True, text=True)
        self.assertEqual(r.returncode, 0, r.stdout + r.stderr)


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