extern crate clap; extern crate regex; use std::str; use clap::{App, AppSettings, ErrorKind}; include!("../clap-test.rs"); static VERSION: &str = "clap-test v1.4.8"; #[test] fn version_short() { let m = App::new("test") .author("Kevin K.") .about("tests stuff") .version("1.3") .try_get_matches_from(vec!["myprog", "-V"]); assert!(m.is_err()); let err = m.unwrap_err(); assert_eq!(err.kind, ErrorKind::VersionDisplayed); assert_eq!(err.message, "test 1.3"); } #[test] fn version_long() { let m = App::new("test") .author("Kevin K.") .about("tests stuff") .version("1.3") .try_get_matches_from(vec!["myprog", "--version"]); assert!(m.is_err()); let err = m.unwrap_err(); assert_eq!(err.kind, ErrorKind::VersionDisplayed); assert_eq!(err.message, "test 1.3"); } #[test] fn complex_version_output() { let mut a = App::new("clap-test").version("v1.4.8"); let _ = a.try_get_matches_from_mut(vec![""]); // Now we check the output of print_version() let mut ver = vec![]; a.write_version(&mut ver).unwrap(); assert_eq!(str::from_utf8(&ver).unwrap(), VERSION); } #[test] fn override_ver() { let m = App::new("test") .setting(AppSettings::NoAutoVersion) .author("Kevin K.") .about("tests stuff") .version("1.3") .mut_arg("version", |a| { a.short('v').long("version").help("some version") }) .try_get_matches_from(vec!["test", "--version"]); assert!(m.is_ok(), "{:?}", m.unwrap_err().kind); assert!(m.unwrap().is_present("version")); }