mirror of
https://github.com/clap-rs/clap
synced 2024-12-15 23:32:32 +00:00
74 lines
2.3 KiB
Rust
74 lines
2.3 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 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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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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#[test]
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fn empty_line_in_doc_comment_is_double_linefeed() {
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/// Foo.
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///
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/// Bar
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#[derive(StructOpt, PartialEq, Debug)]
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#[structopt(name = "lorem-ipsum", author = "", version = "")]
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struct LoremIpsum {}
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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.starts_with("lorem-ipsum \nFoo.\n\nBar\n\nUSAGE:"));
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}
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