| // 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"]) |
| ); |
| } |