mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 06:42:33 +00:00
97 lines
3.3 KiB
Rust
97 lines
3.3 KiB
Rust
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[macro_use]
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extern crate structopt;
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use structopt::StructOpt;
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#[test]
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fn required_option() {
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#[derive(StructOpt, PartialEq, Debug)]
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struct Opt {
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#[structopt(short = "a", long = "arg")]
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arg: i32,
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}
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assert_eq!(Opt { arg: 42 },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a42"])));
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assert_eq!(Opt { arg: 42 },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a", "42"])));
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assert_eq!(Opt { arg: 42 },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--arg", "42"])));
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assert!(Opt::clap().get_matches_from_safe(&["test"]).is_err());
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assert!(Opt::clap().get_matches_from_safe(&["test", "-a42", "-a24"]).is_err());
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}
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#[test]
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fn optional_option() {
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#[derive(StructOpt, PartialEq, Debug)]
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struct Opt {
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#[structopt(short = "a")]
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arg: Option<i32>,
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}
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assert_eq!(Opt { arg: Some(42) },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a42"])));
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assert_eq!(Opt { arg: None },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test"])));
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assert!(Opt::clap().get_matches_from_safe(&["test", "-a42", "-a24"]).is_err());
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}
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#[test]
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fn option_with_default() {
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#[derive(StructOpt, PartialEq, Debug)]
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struct Opt {
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#[structopt(short = "a", default_value = "42")]
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arg: i32,
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}
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assert_eq!(Opt { arg: 24 },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a24"])));
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assert_eq!(Opt { arg: 42 },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test"])));
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assert!(Opt::clap().get_matches_from_safe(&["test", "-a42", "-a24"]).is_err());
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}
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#[test]
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fn option_with_raw_default() {
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#[derive(StructOpt, PartialEq, Debug)]
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struct Opt {
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#[structopt(short = "a", raw(default_value = r#""42""#))]
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arg: i32,
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}
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assert_eq!(Opt { arg: 24 },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a24"])));
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assert_eq!(Opt { arg: 42 },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test"])));
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assert!(Opt::clap().get_matches_from_safe(&["test", "-a42", "-a24"]).is_err());
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}
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#[test]
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fn options() {
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#[derive(StructOpt, PartialEq, Debug)]
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struct Opt {
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#[structopt(short = "a", long = "arg")]
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arg: Vec<i32>,
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}
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assert_eq!(Opt { arg: vec![24] },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a24"])));
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assert_eq!(Opt { arg: vec![] },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test"])));
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assert_eq!(Opt { arg: vec![24, 42] },
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Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a24", "--arg", "42"])));
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}
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#[test]
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fn empy_default_value() {
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#[derive(StructOpt, PartialEq, Debug)]
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struct Opt {
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#[structopt(short = "a", default_value = "")]
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arg: String,
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}
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assert_eq!(Opt { arg: "".into() }, Opt::from_iter(&["test"]));
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assert_eq!(Opt { arg: "foo".into() }, Opt::from_iter(&["test", "-afoo"]));
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}
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