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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::StructOpt;
#[test]
fn required_option() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short = "a", long = "arg")]
arg: i32,
}
assert_eq!(
Opt { arg: 42 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a42"]))
);
assert_eq!(
Opt { arg: 42 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a", "42"]))
);
assert_eq!(
Opt { arg: 42 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--arg", "42"]))
);
assert!(Opt::clap().get_matches_from_safe(&["test"]).is_err());
assert!(
Opt::clap()
.get_matches_from_safe(&["test", "-a42", "-a24"])
.is_err()
);
}
#[test]
fn optional_option() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short = "a")]
arg: Option<i32>,
}
assert_eq!(
Opt { arg: Some(42) },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a42"]))
);
assert_eq!(
Opt { arg: None },
Opt::from_clap(&Opt::clap().get_matches_from(&["test"]))
);
assert!(
Opt::clap()
.get_matches_from_safe(&["test", "-a42", "-a24"])
.is_err()
);
}
#[test]
fn option_with_default() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short = "a", default_value = "42")]
arg: i32,
}
assert_eq!(
Opt { arg: 24 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a24"]))
);
assert_eq!(
Opt { arg: 42 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test"]))
);
assert!(
Opt::clap()
.get_matches_from_safe(&["test", "-a42", "-a24"])
.is_err()
);
}
#[test]
fn option_with_raw_default() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short = "a", raw(default_value = r#""42""#))]
arg: i32,
}
assert_eq!(
Opt { arg: 24 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a24"]))
);
assert_eq!(
Opt { arg: 42 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test"]))
);
assert!(
Opt::clap()
.get_matches_from_safe(&["test", "-a42", "-a24"])
.is_err()
);
}
#[test]
fn options() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short = "a", long = "arg")]
arg: Vec<i32>,
}
assert_eq!(
Opt { arg: vec![24] },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a24"]))
);
assert_eq!(
Opt { arg: vec![] },
Opt::from_clap(&Opt::clap().get_matches_from(&["test"]))
);
assert_eq!(
Opt { arg: vec![24, 42] },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a24", "--arg", "42"]))
);
}
#[test]
fn empy_default_value() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short = "a", default_value = "")]
arg: String,
}
assert_eq!(Opt { arg: "".into() }, Opt::from_iter(&["test"]));
assert_eq!(
Opt { arg: "foo".into() },
Opt::from_iter(&["test", "-afoo"])
);
}