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// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
//
// 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 structopt;
use structopt::clap;
use structopt::StructOpt;
#[test]
fn required_argument() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
arg: i32,
}
assert_eq!(Opt { arg: 42 }, Opt::from_iter(&["test", "42"]));
assert!(Opt::clap().get_matches_from_safe(&["test"]).is_err());
assert!(
Opt::clap()
.get_matches_from_safe(&["test", "42", "24"])
.is_err()
);
}
#[test]
fn optional_argument() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
arg: Option<i32>,
}
assert_eq!(Opt { arg: Some(42) }, Opt::from_iter(&["test", "42"]));
assert_eq!(Opt { arg: None }, Opt::from_iter(&["test"]));
assert!(
Opt::clap()
.get_matches_from_safe(&["test", "42", "24"])
.is_err()
);
}
#[test]
fn argument_with_default() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(default_value = "42")]
arg: i32,
}
assert_eq!(Opt { arg: 24 }, Opt::from_iter(&["test", "24"]));
assert_eq!(Opt { arg: 42 }, Opt::from_iter(&["test"]));
assert!(
Opt::clap()
.get_matches_from_safe(&["test", "42", "24"])
.is_err()
);
}
#[test]
fn argument_with_raw_default() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(raw(default_value = r#""42""#))]
arg: i32,
}
assert_eq!(Opt { arg: 24 }, Opt::from_iter(&["test", "24"]));
assert_eq!(Opt { arg: 42 }, Opt::from_iter(&["test"]));
assert!(
Opt::clap()
.get_matches_from_safe(&["test", "42", "24"])
.is_err()
);
}
#[test]
fn arguments() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
arg: Vec<i32>,
}
assert_eq!(Opt { arg: vec![24] }, Opt::from_iter(&["test", "24"]));
assert_eq!(Opt { arg: vec![] }, Opt::from_iter(&["test"]));
assert_eq!(
Opt { arg: vec![24, 42] },
Opt::from_iter(&["test", "24", "42"])
);
}
#[test]
fn arguments_safe() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
arg: Vec<i32>,
}
assert_eq!(
Opt { arg: vec![24] },
Opt::from_iter_safe(&["test", "24"]).unwrap()
);
assert_eq!(Opt { arg: vec![] }, Opt::from_iter_safe(&["test"]).unwrap());
assert_eq!(
Opt { arg: vec![24, 42] },
Opt::from_iter_safe(&["test", "24", "42"]).unwrap()
);
assert_eq!(
clap::ErrorKind::ValueValidation,
Opt::from_iter_safe(&["test", "NOPE"]).err().unwrap().kind
);
}