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use clap::{error::ErrorKind, Arg, ArgAction, Command};
use snapbox::str;
use crate::utils;
fn cmd() -> Command {
Command::new("prog")
.arg(
Arg::new("a")
.short('a')
.action(ArgAction::SetTrue)
.required_unless_present_any(["b", "c"])
.conflicts_with_all(["b", "c"]),
)
.arg(
Arg::new("b")
.short('b')
.action(ArgAction::SetTrue)
.required_unless_present("a")
.requires("c"),
)
.arg(
Arg::new("c")
.short('c')
.action(ArgAction::SetTrue)
.required_unless_present("a")
.requires("b"),
)
}
#[test]
fn valid_cases() {
let res = cmd().try_get_matches_from(vec!["", "-a"]);
assert!(res.is_ok(), "{}", res.unwrap_err());
let res = cmd().clone().try_get_matches_from(vec!["", "-b", "-c"]);
assert!(res.is_ok(), "{}", res.unwrap_err());
let res = cmd().try_get_matches_from(vec!["", "-c", "-b"]);
assert!(res.is_ok(), "{}", res.unwrap_err());
}
#[test]
fn help_text() {
let res = cmd().try_get_matches_from(vec!["prog", "--help"]);
assert!(res.is_err());
let err = res.unwrap_err();
utils::assert_error(err, ErrorKind::DisplayHelp, str![[r#"
Usage: prog [OPTIONS]
Options:
-a
-b
-c
-h, --help Print help
"#]], false);
}
#[test]
#[cfg(feature = "error-context")]
fn no_duplicate_error() {
let res = cmd().try_get_matches_from(vec!["", "-b"]);
assert!(res.is_err());
let err = res.unwrap_err();
utils::assert_error(
err,
ErrorKind::MissingRequiredArgument,
str![[r#"
error: the following required arguments were not provided:
-c
Usage: prog -b -c
For more information, try '--help'.
"#]],
true,
);
let res = cmd().try_get_matches_from(vec!["", "-c"]);
assert!(res.is_err());
let err = res.unwrap_err();
utils::assert_error(
err,
ErrorKind::MissingRequiredArgument,
str![[r#"
error: the following required arguments were not provided:
-b
Usage: prog -c -b
For more information, try '--help'.
"#]],
true,
);
}
|
