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// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
// Ana Hobden (@hoverbear) <operator@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.
//
// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
// MIT/Apache 2.0 license.
use clap::Parser;
#[test]
fn basic() {
#[derive(Parser, PartialEq, Debug)]
struct Opt {
#[arg(short = 'a', long = "arg")]
arg: i32,
}
assert_eq!(
Opt { arg: 24 },
Opt::try_parse_from(["test", "-a24"]).unwrap()
);
}
#[test]
fn update_basic() {
#[derive(Parser, PartialEq, Debug)]
struct Opt {
#[arg(short, long)]
first: i32,
#[arg(short, long)]
second: i32,
}
let mut opt = Opt::try_parse_from(["test", "-f0", "-s1"]).unwrap();
opt.try_update_from(["test", "-f42"]).unwrap();
assert_eq!(
Opt {
first: 42,
second: 1
},
opt
);
}
#[test]
fn update_explicit_required() {
#[derive(Parser, PartialEq, Debug)]
struct Opt {
#[arg(short, long, required = true)]
first: i32,
#[arg(short, long, required = true)]
second: i32,
}
let mut opt = Opt::try_parse_from(["test", "-f0", "-s1"]).unwrap();
opt.try_update_from(["test", "-f42"]).unwrap();
assert_eq!(
Opt {
first: 42,
second: 1
},
opt
);
}
#[test]
fn unit_struct() {
#[derive(Parser, PartialEq, Debug)]
struct Opt;
assert_eq!(Opt {}, Opt::try_parse_from(["test"]).unwrap());
}
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