clap/tests/hidden_args.rs
2015-09-30 23:59:41 -04:00

34 lines
1,005 B
Rust

extern crate clap;
use clap::{App, Arg};
#[test]
fn hidden_args() {
let mut app = App::new("test")
.author("Kevin K.")
.about("tests stuff")
.version("1.3")
.args(vec![Arg::from_usage("-f, --flag 'some flag'").hidden(true),
Arg::from_usage("-F, --flag2 'some other flag'"),
Arg::from_usage("--option [opt] 'some option'")]);
// We call a get_matches method to cause --help and --version to be built
let _ = app.get_matches_from_safe_borrow(vec![""]);
// Now we check the output of print_help()
let mut help = vec![];
app.write_help(&mut help).ok().expect("failed to print help");
assert_eq!(&*String::from_utf8_lossy(&*help), &*String::from("test 1.3\n\
Kevin K.
tests stuff
USAGE:
\ttest [FLAGS] [OPTIONS]
FLAGS:
-F, --flag2 some other flag
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
--option <opt> some option\n"));
}