use clap::{App, Arg, ErrorKind}; #[test] fn only_pos_follow() { let r = App::new("onlypos") .args(&[ Arg::from("-f [flag] 'some opt'"), Arg::from("[arg] 'some arg'"), ]) .try_get_matches_from(vec!["", "--", "-f"]); assert!(r.is_ok()); let m = r.unwrap(); assert!(m.is_present("arg")); assert!(!m.is_present("f")); assert_eq!(m.value_of("arg").unwrap(), "-f"); } #[test] fn issue_946() { let r = App::new("compiletest") .setting(clap::AppSettings::AllowLeadingHyphen) .arg("--exact 'filters match exactly'") .arg( clap::Arg::new("filter") .index(1) .takes_value(true) .about("filters to apply to output"), ) .try_get_matches_from(vec!["compiletest", "--exact"]); assert!(r.is_ok(), "{:#?}", r); let matches = r.unwrap(); assert!(matches.is_present("exact")); assert!(matches.value_of("filter").is_none()); } #[test] fn positional() { let r = App::new("positional") .args(&[ Arg::from("-f, --flag 'some flag'"), Arg::new("positional").index(1), ]) .try_get_matches_from(vec!["", "-f", "test"]); assert!(r.is_ok(), "{:#?}", r); let m = r.unwrap(); assert!(m.is_present("positional")); assert!(m.is_present("flag")); assert_eq!(m.value_of("positional").unwrap(), "test"); let m = App::new("positional") .args(&[ Arg::from("-f, --flag 'some flag'"), Arg::new("positional").index(1), ]) .get_matches_from(vec!["", "test", "--flag"]); assert!(m.is_present("positional")); assert!(m.is_present("flag")); assert_eq!(m.value_of("positional").unwrap(), "test"); } #[test] fn lots_o_vals() { let r = App::new("opts") .arg(Arg::from("[opt]... 'some pos'")) .try_get_matches_from(vec![ "", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", "some", ]); assert!(r.is_ok()); let m = r.unwrap(); assert!(m.is_present("opt")); assert_eq!(m.values_of("opt").unwrap().count(), 297); // i.e. more than u8 } #[test] fn positional_multiple() { let r = App::new("positional_multiple") .args(&[ Arg::from("-f, --flag 'some flag'"), Arg::new("positional").index(1).multiple(true), ]) .try_get_matches_from(vec!["", "-f", "test1", "test2", "test3"]); assert!(r.is_ok(), "{:#?}", r); let m = r.unwrap(); assert!(m.is_present("positional")); assert!(m.is_present("flag")); assert_eq!( &*m.values_of("positional").unwrap().collect::>(), &["test1", "test2", "test3"] ); } #[test] fn positional_multiple_3() { let r = App::new("positional_multiple") .args(&[ Arg::from("-f, --flag 'some flag'"), Arg::new("positional").index(1).multiple(true), ]) .try_get_matches_from(vec!["", "test1", "test2", "test3", "--flag"]); assert!(r.is_ok(), "{:#?}", r); let m = r.unwrap(); assert!(m.is_present("positional")); assert!(m.is_present("flag")); assert_eq!( &*m.values_of("positional").unwrap().collect::>(), &["test1", "test2", "test3"] ); } #[test] fn positional_multiple_2() { let result = App::new("positional_multiple") .args(&[ Arg::from("-f, --flag 'some flag'"), Arg::new("positional").index(1), ]) .try_get_matches_from(vec!["", "-f", "test1", "test2", "test3"]); assert!(result.is_err()); let err = result.err().unwrap(); assert_eq!(err.kind, ErrorKind::UnknownArgument); } #[test] fn positional_possible_values() { let r = App::new("positional_possible_values") .args(&[ Arg::from("-f, --flag 'some flag'"), Arg::new("positional").index(1).possible_value("test123"), ]) .try_get_matches_from(vec!["", "-f", "test123"]); assert!(r.is_ok(), "{:#?}", r); let m = r.unwrap(); assert!(m.is_present("positional")); assert!(m.is_present("flag")); assert_eq!( &*m.values_of("positional").unwrap().collect::>(), &["test123"] ); } #[test] fn create_positional() { let _ = App::new("test") .arg(Arg::new("test").index(1).about("testing testing")) .get_matches_from(vec![""]); } #[test] fn positional_hyphen_does_not_panic() { let _ = App::new("test") .arg(Arg::new("dummy")) .get_matches_from(vec!["test", "-"]); } #[test] fn single_positional_usage_string() { let mut app = App::new("test").arg("[FILE] 'some file'"); assert_eq!(app.generate_usage(), "USAGE:\n test [FILE]"); } #[test] fn single_positional_multiple_usage_string() { let mut app = App::new("test").arg("[FILE]... 'some file'"); assert_eq!(app.generate_usage(), "USAGE:\n test [FILE]..."); } #[test] fn multiple_positional_usage_string() { let mut app = App::new("test") .arg("[FILE] 'some file'") .arg("[FILES]... 'some file'"); assert_eq!(app.generate_usage(), "USAGE:\n test [ARGS]"); } #[test] fn multiple_positional_one_required_usage_string() { let mut app = App::new("test") .arg(" 'some file'") .arg("[FILES]... 'some file'"); assert_eq!(app.generate_usage(), "USAGE:\n test [FILES]..."); } #[test] fn single_positional_required_usage_string() { let mut app = App::new("test").arg(" 'some file'"); assert_eq!(app.generate_usage(), "USAGE:\n test "); } // This tests a programmer error and will only succeed with debug_assertions #[cfg(debug_assertions)] #[test] #[should_panic = "Found positional argument which is not required \ with a lower index than a required positional argument"] fn missing_required() { let _ = App::new("test") .arg("[FILE1] 'some file'") .arg(" 'some file'") .try_get_matches_from(vec![""]); } #[test] fn missing_required_2() { let r = App::new("test") .arg(" 'some file'") .arg(" 'some file'") .try_get_matches_from(vec!["test", "file"]); assert!(r.is_err()); assert_eq!(r.unwrap_err().kind, ErrorKind::MissingRequiredArgument); } #[test] fn last_positional() { let r = App::new("test") .arg(" 'some target'") .arg("[CORPUS] 'some corpus'") .arg(Arg::from("[ARGS]... 'some file'").last(true)) .try_get_matches_from(vec!["test", "tgt", "--", "arg"]); assert!(r.is_ok()); let m = r.unwrap(); assert_eq!(m.values_of("ARGS").unwrap().collect::>(), &["arg"]); } #[test] fn last_positional_no_double_dash() { let r = App::new("test") .arg(" 'some target'") .arg("[CORPUS] 'some corpus'") .arg(Arg::from("[ARGS]... 'some file'").last(true)) .try_get_matches_from(vec!["test", "tgt", "crp", "arg"]); assert!(r.is_err()); assert_eq!(r.unwrap_err().kind, ErrorKind::UnknownArgument); } #[test] fn last_positional_second_to_last_mult() { let r = App::new("test") .arg(" 'some target'") .arg("[CORPUS]... 'some corpus'") .arg(Arg::from("[ARGS]... 'some file'").last(true)) .try_get_matches_from(vec!["test", "tgt", "crp1", "crp2", "--", "arg"]); assert!(r.is_ok(), "{:?}", r.unwrap_err().kind); } #[cfg(debug_assertions)] #[test] #[should_panic = "Argument 'arg' is a positional argument and can't have short or long name versions"] fn positional_arg_with_long() { use clap::{App, Arg}; let _ = App::new("test") .arg(Arg::new("arg").index(1).long("arg")) .try_get_matches(); } #[cfg(debug_assertions)] #[test] #[should_panic = "Argument 'arg' is a positional argument and can't have short or long name versions"] fn positional_arg_with_short() { use clap::{App, Arg}; let _ = App::new("test") .arg(Arg::new("arg").index(1).short('a')) .try_get_matches(); }