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clap/tests/derive/rename_all_env.rs
2022-07-22 11:34:06 -05:00

47 lines
1,021 B
Rust

#![cfg(feature = "env")]
use crate::utils;
use clap::Parser;
#[test]
fn it_works() {
#[derive(Debug, PartialEq, Parser)]
#[clap(rename_all_env = "kebab")]
struct BehaviorModel {
#[clap(env)]
be_nice: String,
}
let help = utils::get_help::<BehaviorModel>();
assert!(help.contains("[env: be-nice=]"));
}
#[test]
fn default_is_screaming() {
#[derive(Debug, PartialEq, Parser)]
struct BehaviorModel {
#[clap(env)]
be_nice: String,
}
let help = utils::get_help::<BehaviorModel>();
assert!(help.contains("[env: BE_NICE=]"));
}
#[test]
fn overridable() {
#[derive(Debug, PartialEq, Parser)]
#[clap(rename_all_env = "kebab")]
struct BehaviorModel {
#[clap(env)]
be_nice: String,
#[clap(rename_all_env = "pascal", env)]
be_aggressive: String,
}
let help = utils::get_help::<BehaviorModel>();
assert!(help.contains("[env: be-nice=]"));
assert!(help.contains("[env: BeAggressive=]"));
}