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tests(AllowMissingPositional): adds tests for new 'skipping to last positional' with '--'

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This commit is contained in:
Kevin K 2018-03-06 10:39:58 -05:00
parent 219b96b672
commit 7b544e00d9
1 changed files with 85 additions and 0 deletions
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85
tests/app_settings.rs
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@ -631,6 +631,91 @@ fn allow_missing_positional() {
assert_eq!(m.value_of("dest"), Some("file"));
}
#[test]
fn allow_missing_positional_no_default() {
let m = App::new("test")
.setting(AppSettings::AllowMissingPositional)
.arg(Arg::from_usage("[src] 'some file'"))
.arg_from_usage("<dest> 'some file'")
.get_matches_from_safe(vec!["test", "file"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert_eq!(m.value_of("src"), None);
assert_eq!(m.value_of("dest"), Some("file"));
}
#[test]
fn missing_positional_no_hyphen() {
let r = App::new("bench")
.setting(AppSettings::AllowMissingPositional)
.arg(Arg::from_usage("[BENCH] 'some bench'"))
.arg(Arg::from_usage("[ARGS]... 'some args'"))
.get_matches_from_safe(vec!["bench", "foo", "arg1", "arg2", "arg3"]);
assert!(r.is_ok(), "{:?}", r.unwrap_err().kind);
let m = r.unwrap();
let expected_bench = Some("foo");
let expected_args = vec!["arg1", "arg2", "arg3"];
assert_eq!(m.value_of("BENCH"), expected_bench);
assert_eq!(m.values_of("ARGS").unwrap().collect::<Vec<_>>(), &*expected_args);
}
#[test]
fn missing_positional_hyphen() {
let r = App::new("bench")
.setting(AppSettings::AllowMissingPositional)
.arg(Arg::from_usage("[BENCH] 'some bench'"))
.arg(Arg::from_usage("[ARGS]... 'some args'"))
.get_matches_from_safe(vec!["bench", "--", "arg1", "arg2", "arg3"]);
assert!(r.is_ok(), "{:?}", r.unwrap_err().kind);
let m = r.unwrap();
let expected_bench = None;
let expected_args = vec!["arg1", "arg2", "arg3"];
assert_eq!(m.value_of("BENCH"), expected_bench);
assert_eq!(m.values_of("ARGS").unwrap().collect::<Vec<_>>(), &*expected_args);
}
#[test]
fn missing_positional_hyphen_far_back() {
let r = App::new("bench")
.setting(AppSettings::AllowMissingPositional)
.arg(Arg::from_usage("[BENCH1] 'some bench'"))
.arg(Arg::from_usage("[BENCH2] 'some bench'"))
.arg(Arg::from_usage("[BENCH3] 'some bench'"))
.arg(Arg::from_usage("[ARGS]... 'some args'"))
.get_matches_from_safe(vec!["bench", "foo", "--", "arg1", "arg2", "arg3"]);
assert!(r.is_ok(), "{:?}", r.unwrap_err().kind);
let m = r.unwrap();
let expected_bench1 = Some("foo");
let expected_bench2 = None;
let expected_bench3 = None;
let expected_args = vec!["arg1", "arg2", "arg3"];
assert_eq!(m.value_of("BENCH1"), expected_bench1);
assert_eq!(m.value_of("BENCH2"), expected_bench2);
assert_eq!(m.value_of("BENCH3"), expected_bench3);
assert_eq!(m.values_of("ARGS").unwrap().collect::<Vec<_>>(), &*expected_args);
}
#[test]
fn missing_positional_hyphen_req_error() {
let r = App::new("bench")
.setting(AppSettings::AllowMissingPositional)
.arg(Arg::from_usage("[BENCH1] 'some bench'"))
.arg(Arg::from_usage("<BENCH2> 'some bench'"))
.arg(Arg::from_usage("[ARGS]... 'some args'"))
.get_matches_from_safe(vec!["bench", "foo", "--", "arg1", "arg2", "arg3"]);
assert!(r.is_err());
assert_eq!(r.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn issue_1066_allow_leading_hyphen_and_unknown_args() {
let res = App::new("prog")