test_formatter.py 文件源码

def test_no_parameters(self):
        """Validate a `click.Group` with no parameters.

        This exercises the code paths for a group with *no* arguments, *no*
        options and *no* environment variables.
        """

        @click.group()
        def cli():
            """A sample command group."""
            pass

        ctx = click.Context(cli, info_name='cli')
        output = list(ext._format_command(ctx, show_nested=False))

        self.assertEqual(textwrap.dedent("""
        .. program:: cli
        .. code-block:: shell

            cli [OPTIONS] COMMAND [ARGS]...
        """).lstrip(), '\n'.join(output))