clap/tests/version.rs
2021-02-07 14:46:38 +00:00

119 lines
2.9 KiB
Rust

mod utils;
use std::str;
use clap::{App, AppSettings, Arg, ErrorKind};
static VERSION: &str = "clap-test v1.4.8\n";
#[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::DisplayVersion);
assert_eq!(err.to_string(), "test 1.3\n");
}
#[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::DisplayVersion);
assert_eq!(err.to_string(), "test 1.3\n");
}
#[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()
assert_eq!(a.render_version(), VERSION);
}
fn prefer_user_app() -> App<'static> {
App::new("test")
.version("1.3")
.arg(
Arg::new("version1")
.long("version")
.short('V')
.about("some version"),
)
.subcommand(
App::new("foo").arg(
Arg::new("version1")
.long("version")
.short('V')
.about("some version"),
),
)
}
#[test]
fn prefer_user_version_long() {
let m = prefer_user_app().try_get_matches_from(vec!["test", "--version"]);
assert!(m.is_ok());
assert!(m.unwrap().is_present("version1"));
}
#[test]
fn prefer_user_version_short() {
let m = prefer_user_app().try_get_matches_from(vec!["test", "-V"]);
assert!(m.is_ok());
assert!(m.unwrap().is_present("version1"));
}
#[test]
fn prefer_user_subcmd_version_long() {
let m = prefer_user_app().try_get_matches_from(vec!["test", "foo", "--version"]);
assert!(m.is_ok());
assert!(m
.unwrap()
.subcommand_matches("foo")
.unwrap()
.is_present("version1"));
}
#[test]
fn prefer_user_subcmd_version_short() {
let m = prefer_user_app().try_get_matches_from(vec!["test", "foo", "-V"]);
assert!(m.is_ok());
assert!(m
.unwrap()
.subcommand_matches("foo")
.unwrap()
.is_present("version1"));
}
#[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").about("some version")
})
.try_get_matches_from(vec!["test", "--version"]);
assert!(m.is_ok(), "{:?}", m.unwrap_err().kind);
assert!(m.unwrap().is_present("version"));
}