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https://github.com/clap-rs/clap
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be60de036b
As using structopt without structopt_derive is quite meaningless, reexport structopt_derive, symplifying the usage. Inspired by the failure crate. fix #45
51 lines
1.5 KiB
Rust
51 lines
1.5 KiB
Rust
// Copyright (c) 2017 structopt Developers
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//
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// This work is free. You can redistribute it and/or modify it under
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// the terms of the Do What The Fuck You Want To Public License,
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// Version 2, as published by Sam Hocevar. See the COPYING file for
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// more details.
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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 commets_intead_of_actual_help() {
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/// Lorem ipsum
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#[derive(StructOpt, PartialEq, Debug)]
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struct LoremIpsum {
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/// Fooify a bar
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/// and a baz
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#[structopt(short = "f", long = "foo")]
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foo: bool,
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}
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let mut output = Vec::new();
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LoremIpsum::clap().write_long_help(&mut output).unwrap();
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let output = String::from_utf8(output).unwrap();
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assert!(output.contains("Lorem ipsum"));
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assert!(output.contains("Fooify a bar and a baz"));
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}
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#[test]
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fn help_is_better_than_comments() {
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/// Lorem ipsum
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#[derive(StructOpt, PartialEq, Debug)]
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#[structopt(name = "lorem-ipsum", about = "Dolor sit amet")]
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struct LoremIpsum {
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/// Fooify a bar
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#[structopt(short = "f", long = "foo", help = "DO NOT PASS A BAR UNDER ANY CIRCUMSTANCES")]
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foo: bool,
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}
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let mut output = Vec::new();
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LoremIpsum::clap().write_long_help(&mut output).unwrap();
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let output = String::from_utf8(output).unwrap();
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println!("{}", output);
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assert!(output.contains("Dolor sit amet"));
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assert!(!output.contains("Lorem ipsum"));
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assert!(output.contains("DO NOT PASS A BAR"));
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}
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