mirror of
https://github.com/clap-rs/clap
synced 2024-12-16 07:42:32 +00:00
51 lines
1.5 KiB
Rust
51 lines
1.5 KiB
Rust
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
|
|
// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
|
|
// Andrew Hobden (@hoverbear) <andrew@hoverbear.org>
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
#[macro_use]
|
|
extern crate clap;
|
|
|
|
use clap::{App, Arg, ArgEnum};
|
|
|
|
#[derive(ArgEnum, Debug, PartialEq)]
|
|
#[case_sensitive]
|
|
enum ArgChoice {
|
|
Foo,
|
|
Bar,
|
|
Baz,
|
|
}
|
|
|
|
#[test]
|
|
fn when_lowercase() {
|
|
let matches = App::new(env!("CARGO_PKG_NAME"))
|
|
.arg(
|
|
Arg::with_name("arg")
|
|
.required(true)
|
|
.takes_value(true)
|
|
.possible_values(&ArgChoice::variants()),
|
|
)
|
|
.get_matches_from_safe(vec!["", "foo"]); // We expect this to fail.
|
|
assert!(matches.is_err());
|
|
assert_eq!(matches.unwrap_err().kind, clap::ErrorKind::InvalidValue);
|
|
}
|
|
|
|
#[test]
|
|
fn when_capitalized() {
|
|
let matches = App::new(env!("CARGO_PKG_NAME"))
|
|
.arg(
|
|
Arg::with_name("arg")
|
|
.required(true)
|
|
.takes_value(true)
|
|
.possible_values(&ArgChoice::variants()),
|
|
)
|
|
.get_matches_from_safe(vec!["", "Foo"])
|
|
.unwrap();
|
|
let t = value_t!(matches.value_of("arg"), ArgChoice);
|
|
assert!(t.is_ok());
|
|
assert_eq!(t.unwrap(), ArgChoice::Foo);
|
|
}
|