use clap::{arg, error::ErrorKind, Arg, ArgAction, Command}; #[test] fn only_pos_follow() { let r = Command::new("onlypos") .args(&[arg!(f: -f [flag] "some opt"), arg!([arg] "some arg")]) .try_get_matches_from(vec!["", "--", "-f"]); assert!(r.is_ok(), "{}", r.unwrap_err()); let m = r.unwrap(); assert!(m.contains_id("arg")); assert!(!m.contains_id("f")); assert_eq!( m.get_one::("arg").map(|v| v.as_str()).unwrap(), "-f" ); } #[test] fn issue_946() { let r = Command::new("compiletest") .arg(arg!(--exact "filters match exactly").action(ArgAction::SetTrue)) .arg( clap::Arg::new("filter") .index(1) .action(ArgAction::Set) .allow_hyphen_values(true) .help("filters to apply to output"), ) .try_get_matches_from(vec!["compiletest", "--exact"]); assert!(r.is_ok(), "{:#?}", r); let matches = r.unwrap(); assert!(*matches.get_one::("exact").expect("defaulted by clap")); assert!(matches .get_one::("filter") .map(|v| v.as_str()) .is_none()); } #[test] fn positional() { let r = Command::new("positional") .args(&[ arg!(-f --flag "some flag").action(ArgAction::SetTrue), Arg::new("positional").index(1), ]) .try_get_matches_from(vec!["", "-f", "test"]); assert!(r.is_ok(), "{:#?}", r); let m = r.unwrap(); assert!(m.contains_id("positional")); assert!(*m.get_one::("flag").expect("defaulted by clap")); assert_eq!( m.get_one::("positional") .map(|v| v.as_str()) .unwrap(), "test" ); let m = Command::new("positional") .args(&[ arg!(-f --flag "some flag").action(ArgAction::SetTrue), Arg::new("positional").index(1), ]) .try_get_matches_from(vec!["", "test", "--flag"]) .unwrap(); assert!(m.contains_id("positional")); assert!(*m.get_one::("flag").expect("defaulted by clap")); assert_eq!( m.get_one::("positional") .map(|v| v.as_str()) .unwrap(), "test" ); } #[test] fn lots_o_vals() { let r = Command::new("opts") .arg(arg!(... "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(), "{}", r.unwrap_err()); let m = r.unwrap(); assert!(m.contains_id("opt")); assert_eq!(m.get_many::("opt").unwrap().count(), 297); // i.e. more than u8 } #[test] fn positional_multiple() { let r = Command::new("positional_multiple") .args(&[ arg!(-f --flag "some flag").action(ArgAction::SetTrue), Arg::new("positional") .index(1) .action(ArgAction::Set) .num_args(1..), ]) .try_get_matches_from(vec!["", "-f", "test1", "test2", "test3"]); assert!(r.is_ok(), "{:#?}", r); let m = r.unwrap(); assert!(m.contains_id("positional")); assert!(*m.get_one::("flag").expect("defaulted by clap")); assert_eq!( &*m.get_many::("positional") .unwrap() .map(|v| v.as_str()) .collect::>(), &["test1", "test2", "test3"] ); } #[test] fn positional_multiple_3() { let r = Command::new("positional_multiple") .args(&[ arg!(-f --flag "some flag").action(ArgAction::SetTrue), Arg::new("positional") .index(1) .action(ArgAction::Set) .num_args(1..), ]) .try_get_matches_from(vec!["", "test1", "test2", "test3", "--flag"]); assert!(r.is_ok(), "{:#?}", r); let m = r.unwrap(); assert!(m.contains_id("positional")); assert!(*m.get_one::("flag").expect("defaulted by clap")); assert_eq!( &*m.get_many::("positional") .unwrap() .map(|v| v.as_str()) .collect::>(), &["test1", "test2", "test3"] ); } #[test] fn positional_multiple_2() { let result = Command::new("positional_multiple") .args(&[arg!(-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 = Command::new("positional_possible_values") .args(&[ arg!(-f --flag "some flag").action(ArgAction::SetTrue), Arg::new("positional").index(1).value_parser(["test123"]), ]) .try_get_matches_from(vec!["", "-f", "test123"]); assert!(r.is_ok(), "{:#?}", r); let m = r.unwrap(); assert!(m.contains_id("positional")); assert!(*m.get_one::("flag").expect("defaulted by clap")); assert_eq!( &*m.get_many::("positional") .unwrap() .map(|v| v.as_str()) .collect::>(), &["test123"] ); } #[test] fn create_positional() { let _ = Command::new("test") .arg(Arg::new("test").index(1).help("testing testing")) .try_get_matches_from(vec![""]) .unwrap(); } #[test] fn positional_hyphen_does_not_panic() { let _ = Command::new("test") .arg(Arg::new("dummy")) .try_get_matches_from(vec!["test", "-"]) .unwrap(); } #[test] fn single_positional_usage_string() { let mut cmd = Command::new("test").arg(arg!([FILE] "some file")); crate::utils::assert_eq(cmd.render_usage(), "Usage: test [FILE]"); } #[test] fn single_positional_multiple_usage_string() { let mut cmd = Command::new("test").arg(arg!([FILE]... "some file")); crate::utils::assert_eq(cmd.render_usage(), "Usage: test [FILE]..."); } #[test] fn multiple_positional_usage_string() { let mut cmd = Command::new("test") .arg(arg!([FILE] "some file")) .arg(arg!([FILES]... "some file")); crate::utils::assert_eq( cmd.render_usage(), "\ Usage: test [FILE] [FILES]...", ); } #[test] fn multiple_positional_one_required_usage_string() { let mut cmd = Command::new("test") .arg(arg!( "some file")) .arg(arg!([FILES]... "some file")); crate::utils::assert_eq(cmd.render_usage(), "Usage: test [FILES]..."); } #[test] fn single_positional_required_usage_string() { let mut cmd = Command::new("test").arg(arg!( "some file")); crate::utils::assert_eq(cmd.render_usage(), "Usage: test "); } // This tests a programmer error and will only succeed with debug_assertions #[cfg(debug_assertions)] #[test] #[should_panic = "Found non-required positional argument \ with a lower index than a required positional argument"] fn missing_required() { let _ = Command::new("test") .arg(arg!([FILE1] "some file")) .arg(arg!( "some file")) .try_get_matches_from(vec![""]); } #[test] fn missing_required_2() { let r = Command::new("test") .arg(arg!( "some file")) .arg(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 = Command::new("test") .arg(arg!( "some target")) .arg(arg!([CORPUS] "some corpus")) .arg(arg!([ARGS]... "some file").last(true)) .try_get_matches_from(vec!["test", "tgt", "--", "arg"]); assert!(r.is_ok(), "{}", r.unwrap_err()); let m = r.unwrap(); assert_eq!( m.get_many::("ARGS") .unwrap() .map(|v| v.as_str()) .collect::>(), &["arg"] ); } #[test] fn last_positional_no_double_dash() { let r = Command::new("test") .arg(arg!( "some target")) .arg(arg!([CORPUS] "some corpus")) .arg(arg!([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 = Command::new("test") .arg(arg!( "some target")) .arg(arg!([CORPUS]... "some corpus")) .arg(arg!([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::{Arg, Command}; let _ = Command::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::{Arg, Command}; let _ = Command::new("test") .arg(Arg::new("arg").index(1).short('a')) .try_get_matches(); } #[test] fn ignore_hyphen_values_on_last() { let cmd = clap::Command::new("foo") .arg( clap::Arg::new("cmd") .num_args(1..) .last(true) .allow_hyphen_values(true), ) .arg( clap::Arg::new("name") .long("name") .short('n') .action(ArgAction::Set) .required(false), ); let matches = cmd.try_get_matches_from(["test", "-n", "foo"]).unwrap(); assert_eq!( matches.get_one::("name").map(|v| v.as_str()), Some("foo") ); }