mirror of
https://github.com/clap-rs/clap
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117 lines
3.2 KiB
Rust
117 lines
3.2 KiB
Rust
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
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// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
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// Andrew Hobden (@hoverbear) <andrew@hoverbear.org>
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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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//
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// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
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// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
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// MIT/Apache 2.0 license.
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#[macro_use]
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extern crate clap;
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use clap::Clap;
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#[test]
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fn unique_flag() {
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#[derive(Clap, PartialEq, Debug)]
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struct Opt {
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#[clap(short = "a", long = "alice")]
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alice: bool,
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}
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assert_eq!(Opt { alice: false }, Opt::parse_from(&["test"]));
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assert_eq!(Opt { alice: true }, Opt::parse_from(&["test", "-a"]));
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assert_eq!(Opt { alice: true }, Opt::parse_from(&["test", "--alice"]));
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assert!(Opt::try_parse_from(&["test", "-i"]).is_err());
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assert!(Opt::try_parse_from(&["test", "-a", "foo"]).is_err());
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assert!(Opt::try_parse_from(&["test", "-a", "-a"]).is_err());
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assert!(Opt::try_parse_from(&["test", "-a", "--alice"]).is_err());
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}
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#[test]
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fn multiple_flag() {
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#[derive(Clap, PartialEq, Debug)]
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struct Opt {
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#[clap(short = "a", long = "alice", parse(from_occurrences))]
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alice: u64,
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#[clap(short = "b", long = "bob", parse(from_occurrences))]
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bob: u8,
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}
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assert_eq!(Opt { alice: 0, bob: 0 }, Opt::parse_from(&["test"]));
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assert_eq!(Opt { alice: 1, bob: 0 }, Opt::parse_from(&["test", "-a"]));
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assert_eq!(
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Opt { alice: 2, bob: 0 },
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Opt::parse_from(&["test", "-a", "-a"])
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);
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assert_eq!(
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Opt { alice: 2, bob: 2 },
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Opt::parse_from(&["test", "-a", "--alice", "-bb"])
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);
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assert_eq!(
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Opt { alice: 3, bob: 1 },
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Opt::parse_from(&["test", "-aaa", "--bob"])
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);
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assert!(Opt::try_parse_from(&["test", "-i"]).is_err());
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assert!(Opt::try_parse_from(&["test", "-a", "foo"]).is_err());
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}
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#[test]
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fn combined_flags() {
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#[derive(Clap, PartialEq, Debug)]
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struct Opt {
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#[clap(short = "a", long = "alice")]
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alice: bool,
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#[clap(short = "b", long = "bob", parse(from_occurrences))]
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bob: u64,
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}
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assert_eq!(
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Opt {
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alice: false,
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bob: 0
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},
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Opt::parse_from(&["test"])
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);
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assert_eq!(
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Opt {
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alice: true,
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bob: 0
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},
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Opt::parse_from(&["test", "-a"])
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);
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assert_eq!(
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Opt {
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alice: true,
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bob: 0
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},
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Opt::parse_from(&["test", "-a"])
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);
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assert_eq!(
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Opt {
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alice: false,
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bob: 1
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},
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Opt::parse_from(&["test", "-b"])
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);
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assert_eq!(
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Opt {
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alice: true,
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bob: 1
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},
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Opt::parse_from(&["test", "--alice", "--bob"])
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);
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assert_eq!(
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Opt {
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alice: true,
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bob: 4
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},
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Opt::parse_from(&["test", "-bb", "-a", "-bb"])
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);
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}
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