clap/tests/subcommands.rs

95 lines
2.9 KiB
Rust

extern crate clap;
extern crate regex;
include!("../clap-test.rs");
use clap::{App, Arg, SubCommand};
#[test]
fn subcommand() {
let m = App::new("test")
.subcommand(SubCommand::with_name("some")
.arg(Arg::with_name("test")
.short("t")
.long("test")
.takes_value(true)
.help("testing testing")))
.arg(Arg::with_name("other").long("other"))
.get_matches_from(vec!["myprog", "some", "--test", "testing"]);
assert_eq!(m.subcommand_name().unwrap(), "some");
let sub_m = m.subcommand_matches("some").unwrap();
assert!(sub_m.is_present("test"));
assert_eq!(sub_m.value_of("test").unwrap(), "testing");
}
#[test]
fn subcommand_none_given() {
let m = App::new("test")
.subcommand(SubCommand::with_name("some")
.arg(Arg::with_name("test")
.short("t")
.long("test")
.takes_value(true)
.help("testing testing")))
.arg(Arg::with_name("other").long("other"))
.get_matches_from(vec![""]);
assert!(m.subcommand_name().is_none());
}
#[test]
fn subcommand_multiple() {
let m = App::new("test")
.subcommands(vec![
SubCommand::with_name("some")
.arg(Arg::with_name("test")
.short("t")
.long("test")
.takes_value(true)
.help("testing testing")),
SubCommand::with_name("add")
.arg(Arg::with_name("roster").short("r"))
])
.arg(Arg::with_name("other").long("other"))
.get_matches_from(vec!["myprog", "some", "--test", "testing"]);
assert!(m.subcommand_matches("some").is_some());
assert!(m.subcommand_matches("add").is_none());
assert_eq!(m.subcommand_name().unwrap(), "some");
let sub_m = m.subcommand_matches("some").unwrap();
assert!(sub_m.is_present("test"));
assert_eq!(sub_m.value_of("test").unwrap(), "testing");
}
#[test]
fn single_alias() {
let m = App::new("myprog")
.subcommand(SubCommand::with_name("test")
.alias("do-stuff"))
.get_matches_from(vec!["myprog", "do-stuff"]);
assert_eq!(m.subcommand_name(), Some("test"));
}
#[test]
fn multiple_aliases() {
let m = App::new("myprog")
.subcommand(SubCommand::with_name("test")
.aliases(&["do-stuff", "test-stuff"]))
.get_matches_from(vec!["myprog", "test-stuff"]);
assert_eq!(m.subcommand_name(), Some("test"));
}
#[test]
fn subcmd_did_you_mean_output() {
test::check_err_output(test::complex_app(), "clap-test subcm",
"error: The subcommand 'subcm' wasn't recognized
\tDid you mean 'subcmd' ?
If you believe you received this message in error, try re-running with 'clap-test -- subcm'
USAGE:
clap-test [FLAGS] [OPTIONS] [ARGS] [SUBCOMMAND]
For more information try --help", true);
}