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tests(help): add tests for help subcommand

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This commit is contained in:
Sung Rim Huh 2016-01-14 20:23:50 -08:00
parent 113ed0284e
commit 44cbed1a2a
1 changed files with 28 additions and 1 deletions
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29
tests/help.rs
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@ -1,6 +1,6 @@
extern crate clap;
use clap::{App, ClapErrorType};
use clap::{App, SubCommand, ClapErrorType};
#[test]
fn help_short() {
@ -26,6 +26,33 @@ fn help_long() {
assert_eq!(m.unwrap_err().error_type, ClapErrorType::HelpDisplayed);
}
#[test]
fn help_no_subcommand() {
let m = App::new("test")
.author("Kevin K.")
.about("tests stuff")
.version("1.3")
.get_matches_from_safe(vec!["", "help"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().error_type, ClapErrorType::UnexpectedArgument);
}
#[test]
fn help_subcommand() {
let m = App::new("test")
.author("Kevin K.")
.about("tests stuff")
.version("1.3")
.subcommand(SubCommand::with_name("test")
.about("tests things")
.arg_from_usage("-v --verbose 'with verbosity'"))
.get_matches_from_safe(vec!["", "help"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().error_type, ClapErrorType::HelpDisplayed);
}
#[test]
fn print_app_help() {
let mut app = App::new("test")