mirror of
https://github.com/clap-rs/clap
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45 lines
1.5 KiB
Rust
45 lines
1.5 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 no_author_version_about() {
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#[derive(Clap, PartialEq, Debug)]
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#[clap(name = "foo", about = "", author = "", version = "")]
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struct Opt {}
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let mut output = Vec::new();
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Opt::into_app().write_long_help(&mut output).unwrap();
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let output = String::from_utf8(output).unwrap();
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assert!(output.starts_with("foo \n\nUSAGE:"));
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}
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#[test]
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fn use_env() {
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#[derive(Clap, PartialEq, Debug)]
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#[clap()]
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struct Opt {}
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let mut output = Vec::new();
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Opt::into_app().write_long_help(&mut output).unwrap();
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let output = String::from_utf8(output).unwrap();
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assert!(output.starts_with("structopt 0.2."));
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assert!(output.contains("Guillaume Pinot <texitoi@texitoi.eu>, others"));
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assert!(output.contains("Parse command line argument by defining a struct."));
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}
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