mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 23:02:31 +00:00
8988853fb8
Tons of code has been moved into functions, deduplicated, made much easier to read, maintain, and understand. Comments still need to be added, but that will happen shortly. Modules have also been moved around to follow Rust conventions and best practices. All functionality remains exactly the same
79 lines
2.6 KiB
Rust
79 lines
2.6 KiB
Rust
extern crate clap;
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use clap::{App, ArgGroup, ClapErrorType};
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#[test]
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fn required_group_missing_arg() {
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let result = App::new("group")
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.args_from_usage("-f, --flag 'some flag'
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-c, --color 'some other flag'")
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.arg_group(ArgGroup::with_name("req")
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.add_all(&["flag", "color"])
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.required(true))
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.get_matches_from_safe(vec![""]);
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assert!(result.is_err());
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let err = result.err().unwrap();
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assert_eq!(err.error_type, ClapErrorType::MissingRequiredArgument);
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}
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#[test]
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fn group_single_value() {
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let m = App::new("group")
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.args_from_usage("-f, --flag 'some flag'
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-c, --color [color] 'some option'")
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.arg_group(ArgGroup::with_name("grp")
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.add_all(&["flag", "color"]))
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.get_matches_from(vec!["", "-c", "blue"]);
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assert!(m.is_present("grp"));
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assert_eq!(m.value_of("grp").unwrap(), "blue");
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}
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#[test]
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fn group_single_flag() {
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let m = App::new("group")
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.args_from_usage("-f, --flag 'some flag'
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-c, --color [color] 'some option'")
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.arg_group(ArgGroup::with_name("grp")
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.add_all(&["flag", "color"]))
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.get_matches_from(vec!["", "-f"]);
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assert!(m.is_present("grp"));
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assert!(m.value_of("grp").is_none());
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}
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#[test]
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fn group_empty() {
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let m = App::new("group")
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.args_from_usage("-f, --flag 'some flag'
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-c, --color [color] 'some option'")
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.arg_group(ArgGroup::with_name("grp")
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.add_all(&["flag", "color"]))
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.get_matches_from(vec![""]);
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assert!(!m.is_present("grp"));
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assert!(m.value_of("grp").is_none());
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}
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#[test]
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fn group_reqired_flags_empty() {
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let result = App::new("group")
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.args_from_usage("-f, --flag 'some flag'
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-c, --color 'some option'")
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.arg_group(ArgGroup::with_name("grp")
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.required(true)
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.add_all(&["flag", "color"]))
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.get_matches_from_safe(vec![""]);
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assert!(result.is_err());
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let err = result.err().unwrap();
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assert_eq!(err.error_type, ClapErrorType::MissingRequiredArgument);
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}
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#[test]
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fn group_multi_value_single_arg() {
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let m = App::new("group")
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.args_from_usage("-f, --flag 'some flag'
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-c, --color [color]... 'some option'")
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.arg_group(ArgGroup::with_name("grp")
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.add_all(&["flag", "color"]))
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.get_matches_from(vec!["", "-c", "blue", "red", "green"]);
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assert!(m.is_present("grp"));
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assert_eq!(m.values_of("grp").unwrap(), &["blue", "red", "green"]);
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}
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