test_fd.py 文件源码

def test_ignore_OSErrors(self):
        """
        If os.close raises an OSError, it is ignored and we continue to close
        the rest of the FDs.
        """
        closed_fds = []

        def remember_and_throw(fd):
            closed_fds.append(fd)
            raise OSError("Bad FD!")

        with patch("os.close", side_effect=remember_and_throw) as close_mock:
            with self.mock_getrlimit(10) as getrlimit_mock:
                clean_fds()

        getrlimit_mock.assert_called_once_with(resource.RLIMIT_NOFILE)
        expected_fds = list(range(3, 10))
        calls = [call(i) for i in expected_fds]
        close_mock.assert_has_calls(calls, any_order=True)
        self.assertEqual(closed_fds, expected_fds)