mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 14:52:33 +00:00
85 lines
2.5 KiB
Rust
85 lines
2.5 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.
|
|
//
|
|
// 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::Clap;
|
|
|
|
#[test]
|
|
fn required_argument() {
|
|
#[derive(Clap, PartialEq, Debug)]
|
|
struct Opt {
|
|
arg: i32,
|
|
}
|
|
assert_eq!(Opt { arg: 42 }, Opt::parse_from(&["test", "42"]));
|
|
assert!(Opt::try_parse_from(&["test"]).is_err());
|
|
assert!(Opt::try_parse_from(&["test", "42", "24"]).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn optional_argument() {
|
|
#[derive(Clap, PartialEq, Debug)]
|
|
struct Opt {
|
|
arg: Option<i32>,
|
|
}
|
|
assert_eq!(Opt { arg: Some(42) }, Opt::parse_from(&["test", "42"]));
|
|
assert_eq!(Opt { arg: None }, Opt::parse_from(&["test"]));
|
|
assert!(Opt::try_parse_from(&["test", "42", "24"]).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn argument_with_default() {
|
|
#[derive(Clap, PartialEq, Debug)]
|
|
struct Opt {
|
|
#[clap(default_value = "42")]
|
|
arg: i32,
|
|
}
|
|
assert_eq!(Opt { arg: 24 }, Opt::parse_from(&["test", "24"]));
|
|
assert_eq!(Opt { arg: 42 }, Opt::parse_from(&["test"]));
|
|
assert!(Opt::try_parse_from(&["test", "42", "24"]).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn arguments() {
|
|
#[derive(Clap, PartialEq, Debug)]
|
|
struct Opt {
|
|
arg: Vec<i32>,
|
|
}
|
|
assert_eq!(Opt { arg: vec![24] }, Opt::parse_from(&["test", "24"]));
|
|
assert_eq!(Opt { arg: vec![] }, Opt::parse_from(&["test"]));
|
|
assert_eq!(
|
|
Opt { arg: vec![24, 42] },
|
|
Opt::parse_from(&["test", "24", "42"])
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn arguments_safe() {
|
|
#[derive(Clap, PartialEq, Debug)]
|
|
struct Opt {
|
|
arg: Vec<i32>,
|
|
}
|
|
assert_eq!(
|
|
Opt { arg: vec![24] },
|
|
Opt::try_parse_from(&["test", "24"]).unwrap()
|
|
);
|
|
assert_eq!(Opt { arg: vec![] }, Opt::try_parse_from(&["test"]).unwrap());
|
|
assert_eq!(
|
|
Opt { arg: vec![24, 42] },
|
|
Opt::try_parse_from(&["test", "24", "42"]).unwrap()
|
|
);
|
|
|
|
assert_eq!(
|
|
clap::ErrorKind::ValueValidation,
|
|
Opt::try_parse_from(&["test", "NOPE"]).err().unwrap().kind
|
|
);
|
|
}
|