diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_selectors.py | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Lib/test/test_selectors.py b/Lib/test/test_selectors.py index 852b2fe..f2594a6 100644 --- a/Lib/test/test_selectors.py +++ b/Lib/test/test_selectors.py @@ -175,6 +175,33 @@ class BaseSelectorTestCase(unittest.TestCase): self.assertFalse(s.register.called) self.assertFalse(s.unregister.called) + def test_modify_unregister(self): + # Make sure the fd is unregister()ed in case of error on + # modify(): http://bugs.python.org/issue30014 + if self.SELECTOR.__name__ == 'EpollSelector': + patch = unittest.mock.patch( + 'selectors.EpollSelector._selector_cls') + elif self.SELECTOR.__name__ == 'PollSelector': + patch = unittest.mock.patch( + 'selectors.PollSelector._selector_cls') + elif self.SELECTOR.__name__ == 'DevpollSelector': + patch = unittest.mock.patch( + 'selectors.DevpollSelector._selector_cls') + else: + raise self.skipTest("") + + with patch as m: + m.return_value.modify = unittest.mock.Mock( + side_effect=ZeroDivisionError) + s = self.SELECTOR() + self.addCleanup(s.close) + rd, wr = self.make_socketpair() + s.register(rd, selectors.EVENT_READ) + self.assertEqual(len(s._map), 1) + with self.assertRaises(ZeroDivisionError): + s.modify(rd, selectors.EVENT_WRITE) + self.assertEqual(len(s._map), 0) + def test_close(self): s = self.SELECTOR() self.addCleanup(s.close) |