clap/tests/builder/command.rs
Ed Page 65b5b5f7bf fix(help): Remove name/version/author from help
This is to help shorten it and polish it by removing redundant
information.

This is a part of #4132
2022-08-31 15:06:15 -05:00

31 lines
707 B
Rust

#![cfg(feature = "cargo")]
use clap::{command, error::ErrorKind};
use crate::utils;
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!()
.help_template(utils::FULL_TEMPLATE)
.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"))
);
}