vendor/structopt/tests/author_version_about.rs

   1 // Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
   2 //
   3 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   4 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   5 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   6 // option. This file may not be copied, modified, or distributed
   7 // except according to those terms.
   8
   9 mod utils;
  10
  11 use structopt::StructOpt;
  12 use utils::*;
  13
  14 #[test]
  15 fn no_author_version_about() {
  16     #[derive(StructOpt, PartialEq, Debug)]
  17     #[structopt(name = "foo", no_version)]
  18     struct Opt {}
  19
  20     let output = get_long_help::<Opt>();
  21     assert!(output.starts_with("foo \n\nUSAGE:"));
  22 }
  23
  24 #[test]
  25 fn use_env() {
  26     #[derive(StructOpt, PartialEq, Debug)]
  27     #[structopt(author, about)]
  28     struct Opt {}
  29
  30     let output = get_long_help::<Opt>();
  31     assert!(output.starts_with("structopt 0."));
  32     assert!(output.contains("Guillaume Pinot <texitoi@texitoi.eu>, others"));
  33     assert!(output.contains("Parse command line argument by defining a struct."));
  34 }
  35
  36 #[test]
  37 fn explicit_version_not_str() {
  38     const VERSION: &str = "custom version";
  39
  40     #[derive(StructOpt)]
  41     #[structopt(version = VERSION)]
  42     pub struct Opt {}
  43
  44     let output = get_long_help::<Opt>();
  45     assert!(output.contains("custom version"));
  46 }
  47
  48 #[test]
  49 fn no_version_gets_propagated() {
  50     #[derive(StructOpt, PartialEq, Debug)]
  51     #[structopt(no_version)]
  52     enum Action {
  53         Move,
  54     }
  55
  56     let output = get_subcommand_long_help::<Action>("move");
  57     assert_eq!(output.lines().next(), Some("test-move "));
  58 }