user-engine/tests/test_runtime_config.py

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import os
import unittest
from unittest.mock import patch
from user_engine.runtime import _required
class RequiredRuntimeValueTests(unittest.TestCase):
def test_normalizes_secret_file_newline(self):
with patch.dict(os.environ, {"USER_ENGINE_TEST_SECRET": "secret-value\n"}):
self.assertEqual(_required("USER_ENGINE_TEST_SECRET"), "secret-value")
def test_rejects_whitespace_only_value(self):
with patch.dict(os.environ, {"USER_ENGINE_TEST_SECRET": " \n\t"}):
with self.assertRaisesRegex(RuntimeError, "USER_ENGINE_TEST_SECRET is required"):
_required("USER_ENGINE_TEST_SECRET")
if __name__ == "__main__":
unittest.main()