clap/clap_derive/tests/deny-warnings.rs
2020-02-12 23:15:05 +03:00

53 lines
1.4 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.
//
// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
// MIT/Apache 2.0 license.
#![deny(warnings)]
use clap::Clap;
fn try_str(s: &str) -> Result<String, std::convert::Infallible> {
Ok(s.into())
}
#[test]
fn warning_never_struct() {
#[derive(Clap, Debug, PartialEq)]
struct Opt {
#[clap(parse(try_from_str = try_str))]
s: String,
}
assert_eq!(
Opt {
s: "foo".to_string()
},
Opt::parse_from(&["test", "foo"])
);
}
#[test]
fn warning_never_enum() {
#[derive(Clap, Debug, PartialEq)]
enum Opt {
Foo {
#[clap(parse(try_from_str = try_str))]
s: String,
},
}
assert_eq!(
Opt::Foo {
s: "foo".to_string()
},
Opt::parse_from(&["test", "foo", "foo"])
);
}