How to use test_custom_argument_help_message method in locust

Best Python code snippet using locust

test_parser.py

Source:test_parser.py

...129        )130        self.assertEqual(666, options.num_users)131        self.assertEqual("HEJ", options.custom_string_arg)132        self.assertTrue(options.custom_bool_arg)133    def test_custom_argument_help_message(self):134        @locust.events.init_command_line_parser.add_listener135        def _(parser, **kw):136            parser.add_argument("--custom-bool-arg", action="store_true", help="Custom boolean flag")137            parser.add_argument(138                "--custom-string-arg",139                help="Custom string arg",140            )141        out = StringIO()142        with mock.patch("sys.stdout", new=out):143            with self.assertRaises(SystemExit):144                parse_options(args=["--help"])145        out.seek(0)146        stdout = out.read()147        self.assertIn("Custom boolean flag", stdout)...

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