mirror of
https://github.com/clap-rs/clap
synced 2024-11-15 00:57:15 +00:00
51 lines
1.4 KiB
Rust
51 lines
1.4 KiB
Rust
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
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// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
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// Ana Hobden (@hoverbear) <operator@hoverbear.org>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//
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// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
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// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
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// MIT/Apache 2.0 license.
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use clap::Parser;
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#[test]
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fn basic() {
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#[derive(Parser, PartialEq, Debug)]
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struct Opt {
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#[arg(short = 'a', long = "arg")]
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arg: i32,
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}
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assert_eq!(
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Opt { arg: 24 },
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Opt::try_parse_from(&["test", "-a24"]).unwrap()
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);
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}
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#[test]
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fn update_basic() {
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#[derive(Parser, PartialEq, Debug)]
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struct Opt {
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#[arg(short = 'a', long = "arg")]
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single_value: i32,
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}
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let mut opt = Opt::try_parse_from(&["test", "-a0"]).unwrap();
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opt.update_from(&["test", "-a42"]);
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assert_eq!(Opt { single_value: 42 }, opt);
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}
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#[test]
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fn unit_struct() {
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#[derive(Parser, PartialEq, Debug)]
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struct Opt;
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assert_eq!(Opt {}, Opt::try_parse_from(&["test"]).unwrap());
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}
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