vendor/structopt/tests/rename_all_env.rs

   1 mod utils;
   2
   3 use structopt::StructOpt;
   4 use utils::*;
   5
   6 #[test]
   7 fn it_works() {
   8     #[derive(Debug, PartialEq, StructOpt)]
   9     #[structopt(rename_all_env = "kebab")]
  10     struct BehaviorModel {
  11         #[structopt(env)]
  12         be_nice: String,
  13     }
  14
  15     let help = get_help::<BehaviorModel>();
  16     assert!(help.contains("[env: be-nice=]"));
  17 }
  18
  19 #[test]
  20 fn default_is_screaming() {
  21     #[derive(Debug, PartialEq, StructOpt)]
  22     struct BehaviorModel {
  23         #[structopt(env)]
  24         be_nice: String,
  25     }
  26
  27     let help = get_help::<BehaviorModel>();
  28     assert!(help.contains("[env: BE_NICE=]"));
  29 }
  30
  31 #[test]
  32 fn overridable() {
  33     #[derive(Debug, PartialEq, StructOpt)]
  34     #[structopt(rename_all_env = "kebab")]
  35     struct BehaviorModel {
  36         #[structopt(env)]
  37         be_nice: String,
  38
  39         #[structopt(rename_all_env = "pascal", env)]
  40         be_agressive: String,
  41     }
  42
  43     let help = get_help::<BehaviorModel>();
  44     assert!(help.contains("[env: be-nice=]"));
  45     assert!(help.contains("[env: BeAgressive=]"));
  46 }