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Auto merge of #479 - kbknapp:issue-476, r=kbknapp

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Issue 476

From #477

Closes #476
This commit is contained in:
Homu 2016-04-11 09:50:32 +09:00
commit eb5b29912f
2 changed files with 6 additions and 26 deletions
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2
src/app/parser.rs
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@ -334,7 +334,7 @@ impl<'a, 'b> Parser<'a, 'b> where 'a: 'b {
for g in grps.into_iter() {
let g_string = self.args_in_group(g)
.join("|");
ret_val.push_back(format!("[{}]", &g_string[..g_string.len() - 1]));
ret_val.push_back(format!("[{}]", &g_string[..g_string.len()]));
}
ret_val

30
tests/groups.rs
View file

@ -79,33 +79,13 @@ fn group_multi_value_single_arg() {
}
#[test]
#[should_panic]
fn empty_group() {
let _ = App::new("empty_group")
let r = App::new("empty_group")
.arg(Arg::from_usage("-f, --flag 'some flag'"))
.group(ArgGroup::with_name("vers")
.required(true))
.get_matches();
}
#[test]
#[should_panic]
fn empty_group_2() {
let _ = App::new("empty_group")
.arg(Arg::from_usage("-f, --flag 'some flag'"))
.group(ArgGroup::with_name("vers")
.required(true)
.args(&["ver", "major"]))
.get_matches();
}
#[test]
#[should_panic]
fn errous_group() {
let _ = App::new("errous_group")
.arg(Arg::from_usage("-f, --flag 'some flag'"))
.group(ArgGroup::with_name("vers")
.arg("vers")
.required(true))
.get_matches();
.get_matches_from_safe(vec!["empty_prog"]);
assert!(r.is_err());
let err = r.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}