// Copyright (c) 2017 Guillaume Pinot // // This work is free. You can redistribute it and/or modify it under // the terms of the Do What The Fuck You Want To Public License, // Version 2, as published by Sam Hocevar. See the COPYING file for // more details. #[macro_use] extern crate structopt; use structopt::StructOpt; #[test] fn no_author_version_about() { #[derive(StructOpt, PartialEq, Debug)] #[structopt(name = "foo", about = "", author = "", version = "")] struct Opt {} let mut output = Vec::new(); Opt::clap().write_long_help(&mut output).unwrap(); let output = String::from_utf8(output).unwrap(); assert!(output.starts_with("foo \n\nUSAGE:")); }