Source code for camcops_server.cc_modules.tests.cc_export_tests

#!/usr/bin/env python



    Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
    Created by Rudolf Cardinal (

    This file is part of CamCOPS.

    CamCOPS is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    CamCOPS is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with CamCOPS. If not, see <>.



from os.path import join
from pathlib import Path
import tempfile
import unittest

from camcops_server.cc_modules.cc_export import UserDownloadFile

# =============================================================================
# Unit tests
# =============================================================================

[docs]class ExportTests(unittest.TestCase): """ Test aspects of the export infrastructure. """
[docs] def test_directory_safety(self) -> None: """ Here we ensure that passing a dodgy path to :class:`camcops_server.cc_modules.cc_export.UserDownloadFile` fails. """ with tempfile.TemporaryDirectory() as tmpdirname: topdir = Path(tmpdirname) safe_dirname = "safe_dir" safe_dir = topdir / safe_dirname safe_dir.mkdir() danger_dirname = "danger_dir" danger_dir = topdir / danger_dirname danger_dir.mkdir() safe_filename = "safe_file.txt" safe_file = safe_dir / safe_filename safe_file.touch() danger_filename = "danger_file.txt" danger_file = danger_dir / danger_filename danger_file.touch() # log.debug(f"Top directory for test: {tmpdirname}") ok = UserDownloadFile(safe_filename, str(safe_dir)) self.assertEqual(ok.exists, True) danger_path = join("..", danger_dir, danger_filename) bad = UserDownloadFile(danger_path, str(safe_dir)) self.assertEqual(bad.exists, False)