| import copy |
| import os |
| import sys |
| import unittest |
| import pickle |
| import weakref |
| import errno |
| from textwrap import dedent |
| from test.support import (captured_stderr, check_impl_detail, |
| cpython_only, gc_collect, |
| no_tracing, script_helper, |
| SuppressCrashReport, |
| force_not_colorized) |
| from test.support.import_helper import import_module |
| from test.support.os_helper import TESTFN, unlink |
| from test.support.warnings_helper import check_warnings |
| from test import support |
|
|
|
|
| def test_notes(self): |
| for e in [BaseException(1), Exception(2), ValueError(3)]: |
| with self.subTest(e=e): |
| self.assertFalse(hasattr(e, '__notes__')) |
| e.add_note("My Note") |
| self.assertEqual(e.__notes__, ["My Note"]) |
|
|
| with self.assertRaises(TypeError): |
| e.add_note(42) |
| self.assertEqual(e.__notes__, ["My Note"]) |
|
|
| e.add_note("Your Note") |
| self.assertEqual(e.__notes__, ["My Note", "Your Note"]) |
|
|
| del e.__notes__ |
| self.assertFalse(hasattr(e, '__notes__')) |
|
|
| e.add_note("Our Note") |
| self.assertEqual(e.__notes__, ["Our Note"]) |
|
|
| e.__notes__ = 42 |
| self.assertEqual(e.__notes__, 42) |
|
|
| with self.assertRaises(TypeError): |
| e.add_note("will not work") |
| self.assertEqual(e.__notes__, 42) |
|
|
