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Merge pull request #4600 from tmccombs/groups-derive
Add support for deriving grouped options for Vec<Vec<T>>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| #![cfg(all(feature = "unstable-grouped", 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() | ||
| ); | ||
| } |