clap/tests/builder/legacy/command.rs
2022-06-07 16:21:37 -05:00

27 lines
634 B
Rust

#![cfg(feature = "cargo")]
use clap::{command, error::ErrorKind};
static EVERYTHING: &str = "clap {{version}}
A simple to use, efficient, and full-featured Command Line Argument Parser
USAGE:
clap
OPTIONS:
-h, --help Print help information
-V, --version Print version information
";
#[test]
fn command() {
let res = command!().try_get_matches_from(vec!["clap", "--help"]);
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind(), ErrorKind::DisplayHelp);
assert_eq!(
err.to_string(),
EVERYTHING.replace("{{version}}", env!("CARGO_PKG_VERSION"))
);
}