How to use test_take_action_exception method in tempest

Best Python code snippet using tempest_python

test_subunit_describe_calls.py

Source:test_subunit_describe_calls.py

...359        with patch('sys.stdout', new=StringIO()) as mock_stdout:360            self.test_object.take_action(parsed_args)361        stdout_data = mock_stdout.getvalue()362        self._assert_cli_message(stdout_data)363    def test_take_action_exception(self):364        parser = self.test_object.get_parser('NAME')365        parsed_args = parser.parse_args(["-s" + self._subunit_file],)366        with patch('sys.stderr', new=StringIO()) as mock_stderr:367            with patch('tempest.cmd.subunit_describe_calls.entry_point') \368                    as mock_method:369                mock_method.side_effect = OSError()370                self.assertRaises(OSError, self.test_object.take_action,371                                  parsed_args)372                stderr_data = mock_stderr.getvalue()373        self.assertIn("Traceback (most recent call last):", stderr_data)...

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