#![cfg(feature="yaml")] #[macro_use] extern crate clap; use clap::App; #[test] fn create_app_from_yaml() { let yml = load_yaml!("app.yml"); App::from_yaml(yml); } #[test] fn help_message() { let yml = load_yaml!("app.yml"); let mut app = App::from_yaml(yml); // Generate the full help message! let _ = app.get_matches_from_safe_borrow(Vec::::new()); let mut help_buffer = Vec::new(); app.write_help(&mut help_buffer).unwrap(); let help_string = String::from_utf8(help_buffer).unwrap(); assert!(help_string.contains( "-h, --help prints help with a nonstandard description\n")); }