import unittest
from unittest.mock import patch
import sys
import os

# Add scripts directory to path
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

from web_dashboard import app

class TestWebDashboardSecurity(unittest.TestCase):
    def setUp(self):
        self.app = app.test_client()
        self.app.testing = True

    @patch('web_dashboard.get_cached_markdown')
    def test_error_handling_does_not_leak_info(self, mock_get_markdown):
        """
        Test that the implementation DOES NOT leak exception details.
        """
        # Mock an internal error with sensitive info
        secret_info = "DB_PASSWORD=secret123"
        mock_get_markdown.side_effect = Exception(f"Connection failed: {secret_info}")

        response = self.app.get('/')

        self.assertEqual(response.status_code, 500)

        # Verify that the sensitive info is NOT leaked in the response body
        self.assertNotIn(secret_info.encode(), response.data)

        # Verify that a generic error message is returned
        self.assertIn(b"Internal Server Error", response.data)

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