clap/tests/derive/occurrences.rs
Roland Fredenhagen f16a1a76bc
chore: Clippy
2023-07-26 23:48:37 +07:00

79 lines
1.8 KiB
Rust

#![cfg(feature = "unstable-v5")]
use clap::Parser;
#[test]
fn test_vec_of_vec() {
#[derive(Parser, Debug, PartialEq)]
struct Opt {
#[arg(short = 'p', num_args = 2)]
points: Vec<Vec<i32>>,
}
assert_eq!(
Opt {
points: vec![vec![1, 2], vec![0, 0]]
},
Opt::try_parse_from(["test", "-p", "1", "2", "-p", "0", "0"]).unwrap()
);
}
#[test]
fn test_vec_of_vec_opt_out() {
fn parser(s: &str) -> Result<Vec<String>, std::convert::Infallible> {
Ok(s.split(',').map(str::to_owned).collect())
}
#[derive(Parser, PartialEq, Debug)]
struct Opt {
#[arg(value_parser = parser, short = 'p')]
arg: Vec<::std::vec::Vec<String>>,
}
assert_eq!(
Opt {
arg: vec![vec!["1".into(), "2".into()], vec!["a".into(), "b".into()]],
},
Opt::try_parse_from(["test", "-p", "1,2", "-p", "a,b"]).unwrap(),
);
}
#[test]
fn test_vec_vec_empty() {
#[derive(Parser, Debug, PartialEq)]
struct Opt {
#[arg(short = 'p', num_args = 2)]
points: Vec<Vec<i32>>,
}
assert_eq!(
Opt { points: vec![] },
Opt::try_parse_from(["test"]).unwrap()
);
}
#[test]
fn test_option_vec_vec() {
#[derive(Parser, Debug, PartialEq)]
struct Opt {
#[arg(short = 'p', num_args = 2)]
points: Option<Vec<Vec<i32>>>,
}
assert_eq!(
Opt {
points: Some(vec![vec![1, 2], vec![3, 4]])
},
Opt::try_parse_from(["test", "-p", "1", "2", "-p", "3", "4"]).unwrap()
);
}
#[test]
fn test_option_vec_vec_empty() {
#[derive(Parser, Debug, PartialEq)]
struct Opt {
#[arg(short = 'p', num_args = 2)]
points: Option<Vec<Vec<i32>>>,
}
assert_eq!(Opt { points: None }, Opt::try_parse_from(["test"]).unwrap());
}