clap/tests/app_settings.rs

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1.8 KiB
Rust
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extern crate clap;
use clap::{App, Arg, SubCommand, AppSettings, ClapErrorType};
#[test]
fn sub_command_negate_requred() {
App::new("sub_command_negate")
.setting(AppSettings::SubcommandsNegateReqs)
.arg(Arg::with_name("test")
.required(true)
.index(1))
.subcommand(SubCommand::with_name("sub1"))
.get_matches_from(vec!["", "sub1"]);
}
#[test]
fn sub_command_negate_requred_2() {
let result = App::new("sub_command_negate")
.setting(AppSettings::SubcommandsNegateReqs)
.arg(Arg::with_name("test")
.required(true)
.index(1))
.subcommand(SubCommand::with_name("sub1"))
.get_matches_from_safe(vec![""]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.error_type, ClapErrorType::MissingRequiredArgument);
}
#[test]
fn app_settings_fromstr() {
assert_eq!("subcommandsnegatereqs".parse::<AppSettings>().ok().unwrap(), AppSettings::SubcommandsNegateReqs);
assert_eq!("subcommandsrequired".parse::<AppSettings>().ok().unwrap(), AppSettings::SubcommandRequired);
assert_eq!("argrequiredelsehelp".parse::<AppSettings>().ok().unwrap(), AppSettings::ArgRequiredElseHelp);
assert_eq!("globalversion".parse::<AppSettings>().ok().unwrap(), AppSettings::GlobalVersion);
assert_eq!("versionlesssubcommands".parse::<AppSettings>().ok().unwrap(), AppSettings::VersionlessSubcommands);
assert_eq!("unifiedhelpmessage".parse::<AppSettings>().ok().unwrap(), AppSettings::UnifiedHelpMessage);
assert_eq!("waitonerror".parse::<AppSettings>().ok().unwrap(), AppSettings::WaitOnError);
assert_eq!("subcommandrequiredelsehelp".parse::<AppSettings>().ok().unwrap(), AppSettings::SubcommandRequiredElseHelp);
assert!("hahahaha".parse::<AppSettings>().is_err());
}