clap/tests/multiple_values.rs
2021-08-14 01:08:44 +01:00

1321 lines
36 KiB
Rust

use clap::{App, Arg, ErrorKind};
#[test]
fn option_long() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.about("multiple options")
.takes_value(true)
.multiple_values(true)
.multiple_occurrences(true),
)
.try_get_matches_from(vec![
"", "--option", "val1", "--option", "val2", "--option", "val3",
]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 3);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn option_short() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.takes_value(true)
.multiple_values(true)
.multiple_occurrences(true),
)
.try_get_matches_from(vec!["", "-o", "val1", "-o", "val2", "-o", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 3);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn option_mixed() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.short('o')
.about("multiple options")
.takes_value(true)
.multiple_values(true)
.multiple_occurrences(true),
)
.try_get_matches_from(vec![
"", "-o", "val1", "--option", "val2", "--option", "val3", "-o", "val4",
]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 4);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3", "val4"]
);
}
#[test]
fn option_exact_exact() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.number_of_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec!["", "-o", "val1", "-o", "val2", "-o", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 3);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn option_exact_exact_not_mult() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.number_of_values(3),
)
.try_get_matches_from(vec!["", "-o", "val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn option_exact_exact_mult() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.number_of_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec![
"", "-o", "val1", "val2", "val3", "-o", "val4", "val5", "val6",
]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 2);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3", "val4", "val5", "val6"]
);
}
#[test]
fn option_exact_less() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.number_of_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec!["", "-o", "val1", "-o", "val2"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::WrongNumberOfValues);
}
#[test]
fn option_exact_more() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.number_of_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec![
"", "-o", "val1", "-o", "val2", "-o", "val3", "-o", "val4",
]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::WrongNumberOfValues);
}
#[test]
fn option_min_exact() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.min_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec!["", "-o", "val1", "-o", "val2", "-o", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 3);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn option_min_less() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.min_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec!["", "-o", "val1", "-o", "val2"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::TooFewValues);
}
#[test]
fn option_short_min_more_mult_occurs() {
let res = App::new("multiple_values")
.arg(Arg::new("arg").required(true))
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.min_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec![
"", "pos", "-o", "val1", "-o", "val2", "-o", "val3", "-o", "val4",
]);
assert!(res.is_ok(), "{:?}", res.unwrap_err().kind);
let m = res.unwrap();
assert!(m.is_present("option"));
assert!(m.is_present("arg"));
assert_eq!(m.occurrences_of("option"), 4);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3", "val4"]
);
assert_eq!(m.value_of("arg"), Some("pos"));
}
#[test]
fn option_short_min_more_single_occur() {
let res = App::new("multiple_values")
.arg(Arg::new("arg").required(true))
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.min_values(3),
)
.try_get_matches_from(vec!["", "pos", "-o", "val1", "val2", "val3", "val4"]);
assert!(res.is_ok(), "{:?}", res.unwrap_err().kind);
let m = res.unwrap();
assert!(m.is_present("option"));
assert!(m.is_present("arg"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3", "val4"]
);
assert_eq!(m.value_of("arg"), Some("pos"));
}
#[test]
fn option_max_exact() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.max_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec!["", "-o", "val1", "-o", "val2", "-o", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 3);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn option_max_less() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.max_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec!["", "-o", "val1", "-o", "val2"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 2);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2"]
);
}
#[test]
fn option_max_more() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.max_values(3)
.multiple_occurrences(true),
)
.try_get_matches_from(vec![
"", "-o", "val1", "-o", "val2", "-o", "val3", "-o", "val4",
]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::TooManyValues);
}
#[test]
fn positional() {
let m = App::new("multiple_values")
.arg(
Arg::new("pos")
.about("multiple positionals")
.takes_value(true)
.multiple_values(true),
)
.try_get_matches_from(vec!["myprog", "val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("pos"));
assert_eq!(m.occurrences_of("pos"), 3);
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn positional_exact_exact() {
let m = App::new("multiple_values")
.arg(
Arg::new("pos")
.about("multiple positionals")
.number_of_values(3),
)
.try_get_matches_from(vec!["myprog", "val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("pos"));
assert_eq!(m.occurrences_of("pos"), 3);
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn positional_exact_less() {
let m = App::new("multiple_values")
.arg(
Arg::new("pos")
.about("multiple positionals")
.number_of_values(3),
)
.try_get_matches_from(vec!["myprog", "val1", "val2"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::WrongNumberOfValues);
}
#[test]
fn positional_exact_more() {
let m = App::new("multiple_values")
.arg(
Arg::new("pos")
.about("multiple positionals")
.number_of_values(3),
)
.try_get_matches_from(vec!["myprog", "val1", "val2", "val3", "val4"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::WrongNumberOfValues);
}
#[test]
fn positional_min_exact() {
let m = App::new("multiple_values")
.arg(Arg::new("pos").about("multiple positionals").min_values(3))
.try_get_matches_from(vec!["myprog", "val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("pos"));
assert_eq!(m.occurrences_of("pos"), 3);
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn positional_min_less() {
let m = App::new("multiple_values")
.arg(Arg::new("pos").about("multiple positionals").min_values(3))
.try_get_matches_from(vec!["myprog", "val1", "val2"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::TooFewValues);
}
#[test]
fn positional_min_more() {
let m = App::new("multiple_values")
.arg(Arg::new("pos").about("multiple positionals").min_values(3))
.try_get_matches_from(vec!["myprog", "val1", "val2", "val3", "val4"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("pos"));
assert_eq!(m.occurrences_of("pos"), 4);
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3", "val4"]
);
}
#[test]
fn positional_max_exact() {
let m = App::new("multiple_values")
.arg(Arg::new("pos").about("multiple positionals").max_values(3))
.try_get_matches_from(vec!["myprog", "val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("pos"));
assert_eq!(m.occurrences_of("pos"), 3);
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn positional_max_less() {
let m = App::new("multiple_values")
.arg(Arg::new("pos").about("multiple positionals").max_values(3))
.try_get_matches_from(vec!["myprog", "val1", "val2"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("pos"));
assert_eq!(m.occurrences_of("pos"), 2);
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2"]
);
}
#[test]
fn positional_max_more() {
let m = App::new("multiple_values")
.arg(Arg::new("pos").about("multiple positionals").max_values(3))
.try_get_matches_from(vec!["myprog", "val1", "val2", "val3", "val4"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::TooManyValues);
}
#[test]
fn sep_long_equals() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.about("multiple options")
.use_delimiter(true),
)
.try_get_matches_from(vec!["", "--option=val1,val2,val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn sep_long_space() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.about("multiple options")
.use_delimiter(true),
)
.try_get_matches_from(vec!["", "--option", "val1,val2,val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn sep_short_equals() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.use_delimiter(true),
)
.try_get_matches_from(vec!["", "-o=val1,val2,val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn sep_short_space() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.use_delimiter(true),
)
.try_get_matches_from(vec!["", "-o", "val1,val2,val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn sep_short_no_space() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.about("multiple options")
.use_delimiter(true),
)
.try_get_matches_from(vec!["", "-oval1,val2,val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn sep_positional() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.about("multiple options")
.use_delimiter(true),
)
.try_get_matches_from(vec!["", "val1,val2,val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn different_sep() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.about("multiple options")
.value_delimiter(';'),
)
.try_get_matches_from(vec!["", "--option=val1;val2;val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn different_sep_positional() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.about("multiple options")
.value_delimiter(';'),
)
.try_get_matches_from(vec!["", "val1;val2;val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn no_sep() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.about("multiple options")
.takes_value(true)
.use_delimiter(false),
)
.try_get_matches_from(vec!["", "--option=val1,val2,val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(m.value_of("option").unwrap(), "val1,val2,val3");
}
#[test]
fn no_sep_positional() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.about("multiple options")
.takes_value(true)
.use_delimiter(false),
)
.try_get_matches_from(vec!["", "val1,val2,val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(m.value_of("option").unwrap(), "val1,val2,val3");
}
#[test]
fn req_delimiter_long() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.multiple_values(true)
.use_delimiter(true)
.require_delimiter(true),
)
.arg(
Arg::new("args")
.takes_value(true)
.multiple_values(true)
.index(1),
)
.try_get_matches_from(vec!["", "--option", "val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
&["val1"]
);
assert_eq!(
m.values_of("args").unwrap().collect::<Vec<_>>(),
&["val2", "val3"]
);
}
#[test]
fn req_delimiter_long_with_equal() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.multiple_values(true)
.use_delimiter(true)
.require_delimiter(true),
)
.arg(
Arg::new("args")
.takes_value(true)
.multiple_values(true)
.index(1),
)
.try_get_matches_from(vec!["", "--option=val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
&["val1"]
);
assert_eq!(
m.values_of("args").unwrap().collect::<Vec<_>>(),
&["val2", "val3"]
);
}
#[test]
fn req_delimiter_short_with_space() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.multiple_values(true)
.use_delimiter(true)
.require_delimiter(true),
)
.arg(
Arg::new("args")
.takes_value(true)
.multiple_values(true)
.index(1),
)
.try_get_matches_from(vec!["", "-o", "val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
&["val1"]
);
assert_eq!(
m.values_of("args").unwrap().collect::<Vec<_>>(),
&["val2", "val3"]
);
}
#[test]
fn req_delimiter_short_with_no_space() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.multiple_values(true)
.use_delimiter(true)
.require_delimiter(true),
)
.arg(
Arg::new("args")
.takes_value(true)
.multiple_values(true)
.index(1),
)
.try_get_matches_from(vec!["", "-oval1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
&["val1"]
);
assert_eq!(
m.values_of("args").unwrap().collect::<Vec<_>>(),
&["val2", "val3"]
);
}
#[test]
fn req_delimiter_short_with_equal() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.short('o')
.multiple_values(true)
.use_delimiter(true)
.require_delimiter(true),
)
.arg(
Arg::new("args")
.takes_value(true)
.multiple_values(true)
.index(1),
)
.try_get_matches_from(vec!["", "-o=val1", "val2", "val3"]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 1);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
&["val1"]
);
assert_eq!(
m.values_of("args").unwrap().collect::<Vec<_>>(),
&["val2", "val3"]
);
}
#[test]
fn req_delimiter_complex() {
let m = App::new("multiple_values")
.arg(
Arg::new("option")
.long("option")
.short('o')
.multiple_values(true)
.multiple_occurrences(true)
.use_delimiter(true)
.require_delimiter(true),
)
.arg(
Arg::new("args")
.takes_value(true)
.multiple_values(true)
.index(1),
)
.try_get_matches_from(vec![
"",
"val1",
"-oval2",
"val3",
"-o",
"val4",
"val5",
"-o=val6",
"val7",
"--option=val8",
"val9",
"--option",
"val10",
"val11",
"-oval12,val13",
"val14",
"-o",
"val15,val16",
"val17",
"-o=val18,val19",
"val20",
"--option=val21,val22",
"val23",
"--option",
"val24,val25",
"val26",
]);
assert!(m.is_ok());
let m = m.unwrap();
assert!(m.is_present("option"));
assert_eq!(m.occurrences_of("option"), 10);
assert_eq!(
m.values_of("option").unwrap().collect::<Vec<_>>(),
&[
"val2", "val4", "val6", "val8", "val10", "val12", "val13", "val15", "val16", "val18",
"val19", "val21", "val22", "val24", "val25",
]
);
assert_eq!(
m.values_of("args").unwrap().collect::<Vec<_>>(),
&[
"val1", "val3", "val5", "val7", "val9", "val11", "val14", "val17", "val20", "val23",
"val26",
]
);
}
// This tests a programmer error and will only succeed with debug_assertions
#[cfg(debug_assertions)]
#[test]
#[should_panic = "When using a positional argument with \
.multiple_values(true) that is *not the last* positional argument, the last \
positional argument (i.e. the one with the highest index) *must* have \
.required(true) or .last(true) set."]
fn low_index_positional_not_required() {
let _ = App::new("lip")
.arg(
Arg::new("files")
.index(1)
.takes_value(true)
.required(true)
.multiple_values(true),
)
.arg(Arg::new("target").index(2))
.try_get_matches_from(vec![""]);
}
// This tests a programmer error and will only succeed with debug_assertions
#[cfg(debug_assertions)]
#[test]
#[should_panic = "Only one positional argument with .multiple_values(true) \
set is allowed per command, unless the second one also has .last(true) set"]
fn low_index_positional_last_multiple_too() {
let _ = App::new("lip")
.arg(
Arg::new("files")
.index(1)
.takes_value(true)
.required(true)
.multiple_values(true),
)
.arg(
Arg::new("target")
.index(2)
.takes_value(true)
.required(true)
.multiple_values(true),
)
.try_get_matches_from(vec![""]);
}
// This tests a programmer error and will only succeed with debug_assertions
#[cfg(debug_assertions)]
#[test]
#[should_panic = "Only the last positional argument, or second to \
last positional argument may be set to .multiple_values(true)"]
fn low_index_positional_too_far_back() {
let _ = App::new("lip")
.arg(
Arg::new("files")
.index(1)
.takes_value(true)
.required(true)
.multiple_values(true),
)
.arg(Arg::new("target").required(true).index(2))
.arg(Arg::new("target2").required(true).index(3))
.try_get_matches_from(vec![""]);
}
#[test]
fn low_index_positional() {
let m = App::new("lip")
.arg(
Arg::new("files")
.index(1)
.takes_value(true)
.required(true)
.multiple_values(true),
)
.arg(Arg::new("target").index(2).required(true))
.try_get_matches_from(vec!["lip", "file1", "file2", "file3", "target"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert!(m.is_present("files"));
assert_eq!(m.occurrences_of("files"), 3);
assert!(m.is_present("target"));
assert_eq!(m.occurrences_of("target"), 1);
assert_eq!(
m.values_of("files").unwrap().collect::<Vec<_>>(),
["file1", "file2", "file3"]
);
assert_eq!(m.value_of("target").unwrap(), "target");
}
#[test]
fn low_index_positional_in_subcmd() {
let m = App::new("lip")
.subcommand(
App::new("test")
.arg(
Arg::new("files")
.index(1)
.takes_value(true)
.required(true)
.multiple_values(true),
)
.arg(Arg::new("target").index(2).required(true)),
)
.try_get_matches_from(vec!["lip", "test", "file1", "file2", "file3", "target"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
let sm = m.subcommand_matches("test").unwrap();
assert!(sm.is_present("files"));
assert_eq!(sm.occurrences_of("files"), 3);
assert!(sm.is_present("target"));
assert_eq!(sm.occurrences_of("target"), 1);
assert_eq!(
sm.values_of("files").unwrap().collect::<Vec<_>>(),
["file1", "file2", "file3"]
);
assert_eq!(sm.value_of("target").unwrap(), "target");
}
#[test]
fn low_index_positional_with_option() {
let m = App::new("lip")
.arg(
Arg::new("files")
.required(true)
.index(1)
.takes_value(true)
.multiple_values(true),
)
.arg(Arg::new("target").index(2).required(true))
.arg(Arg::new("opt").long("option").takes_value(true))
.try_get_matches_from(vec![
"lip", "file1", "file2", "file3", "target", "--option", "test",
]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert!(m.is_present("files"));
assert_eq!(m.occurrences_of("files"), 3);
assert!(m.is_present("target"));
assert_eq!(m.occurrences_of("target"), 1);
assert_eq!(
m.values_of("files").unwrap().collect::<Vec<_>>(),
["file1", "file2", "file3"]
);
assert_eq!(m.value_of("target").unwrap(), "target");
assert_eq!(m.value_of("opt").unwrap(), "test");
}
#[test]
fn low_index_positional_with_flag() {
let m = App::new("lip")
.arg(
Arg::new("files")
.index(1)
.takes_value(true)
.required(true)
.multiple_values(true),
)
.arg(Arg::new("target").index(2).required(true))
.arg(Arg::new("flg").long("flag"))
.try_get_matches_from(vec!["lip", "file1", "file2", "file3", "target", "--flag"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert!(m.is_present("files"));
assert_eq!(m.occurrences_of("files"), 3);
assert!(m.is_present("target"));
assert_eq!(m.occurrences_of("target"), 1);
assert_eq!(
m.values_of("files").unwrap().collect::<Vec<_>>(),
["file1", "file2", "file3"]
);
assert_eq!(m.value_of("target").unwrap(), "target");
assert!(m.is_present("flg"));
}
#[test]
fn multiple_value_terminator_option() {
let m = App::new("lip")
.arg(
Arg::new("files")
.short('f')
.value_terminator(";")
.takes_value(true)
.multiple_values(true),
)
.arg(Arg::new("other"))
.try_get_matches_from(vec!["lip", "-f", "val1", "val2", ";", "otherval"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert!(m.is_present("other"));
assert_eq!(m.occurrences_of("other"), 1);
assert!(m.is_present("files"));
assert_eq!(
m.values_of("files").unwrap().collect::<Vec<_>>(),
["val1", "val2"]
);
assert_eq!(m.value_of("other"), Some("otherval"));
}
#[test]
fn multiple_value_terminator_option_other_arg() {
let m = App::new("lip")
.arg(
Arg::new("files")
.short('f')
.value_terminator(";")
.takes_value(true)
.multiple_values(true),
)
.arg(Arg::new("other"))
.arg(Arg::new("flag").short('F'))
.try_get_matches_from(vec!["lip", "-f", "val1", "val2", "-F", "otherval"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert!(m.is_present("other"));
assert!(m.is_present("files"));
assert_eq!(
m.values_of("files").unwrap().collect::<Vec<_>>(),
["val1", "val2"]
);
assert_eq!(m.value_of("other"), Some("otherval"));
assert!(m.is_present("flag"));
}
#[test]
fn multiple_vals_with_hyphen() {
let res = App::new("do")
.arg(
Arg::new("cmds")
.takes_value(true)
.multiple_values(true)
.allow_hyphen_values(true)
.value_terminator(";"),
)
.arg(Arg::new("location"))
.try_get_matches_from(vec![
"do",
"find",
"-type",
"f",
"-name",
"special",
";",
"/home/clap",
]);
assert!(res.is_ok(), "{:?}", res.unwrap_err().kind);
let m = res.unwrap();
let cmds: Vec<_> = m.values_of("cmds").unwrap().collect();
assert_eq!(&cmds, &["find", "-type", "f", "-name", "special"]);
assert_eq!(m.value_of("location"), Some("/home/clap"));
}
#[test]
fn issue_1480_max_values_consumes_extra_arg_1() {
let res = App::new("prog")
.arg(Arg::new("field").max_values(1).long("field"))
.arg(Arg::new("positional").required(true).index(1))
.try_get_matches_from(vec!["prog", "--field", "1", "file"]);
assert!(res.is_ok());
}
#[test]
fn issue_1480_max_values_consumes_extra_arg_2() {
let res = App::new("prog")
.arg(Arg::new("field").max_values(1).long("field"))
.try_get_matches_from(vec!["prog", "--field", "1", "2"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::UnknownArgument);
}
#[test]
fn issue_1480_max_values_consumes_extra_arg_3() {
let res = App::new("prog")
.arg(Arg::new("field").max_values(1).long("field"))
.try_get_matches_from(vec!["prog", "--field", "1", "2", "3"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::UnknownArgument);
}
#[test]
fn issue_2229() {
let m = App::new("multiple_values")
.arg(
Arg::new("pos")
.about("multiple positionals")
.number_of_values(3),
)
.try_get_matches_from(vec![
"myprog", "val1", "val2", "val3", "val4", "val5", "val6",
]);
assert!(m.is_err()); // This panics, because `m.is_err() == false`.
assert_eq!(m.unwrap_err().kind, ErrorKind::WrongNumberOfValues);
}
#[test]
fn value_names_building_num_vals() {
let m = App::new("test")
.arg(
Arg::new("pos")
.long("pos")
.value_names(&["who", "what", "why"]),
)
.try_get_matches_from(vec!["myprog", "--pos", "val1", "val2", "val3"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn value_names_building_num_vals_from_usage() {
let m = App::new("test")
.arg(Arg::from("--pos <who> <what> <why>"))
.try_get_matches_from(vec!["myprog", "--pos", "val1", "val2", "val3"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn value_names_building_num_vals_for_positional() {
let m = App::new("test")
.arg(Arg::new("pos").value_names(&["who", "what", "why"]))
.try_get_matches_from(vec!["myprog", "val1", "val2", "val3"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3"]
);
}
#[test]
fn number_of_values_preferred_over_value_names() {
let m = App::new("test")
.arg(
Arg::new("pos")
.long("pos")
.number_of_values(4)
.value_names(&["who", "what", "why"]),
)
.try_get_matches_from(vec!["myprog", "--pos", "val1", "val2", "val3", "val4"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
let m = m.unwrap();
assert_eq!(
m.values_of("pos").unwrap().collect::<Vec<_>>(),
["val1", "val2", "val3", "val4"]
);
}