mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 06:42:33 +00:00
9b23a09f7a
I see them fulfilling two roles - A form of bolding - As a callback to their placeholder in usage However, it is a bit of an unpolished look and no other CLI seems to do it. This looks a bit more proefessional. We have colored help for formatting and I think the sections relation to usage will be clear enough.
128 lines
4 KiB
Rust
128 lines
4 KiB
Rust
use super::utils;
|
|
|
|
use clap::{error::ErrorKind, Arg, ArgAction, Command};
|
|
|
|
#[test]
|
|
fn empty_values() {
|
|
let m = Command::new("config")
|
|
.arg(Arg::new("config").long("config").action(ArgAction::Set))
|
|
.try_get_matches_from(&["config", "--config", ""])
|
|
.unwrap();
|
|
assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""));
|
|
}
|
|
|
|
#[test]
|
|
fn empty_values_with_equals() {
|
|
let m = Command::new("config")
|
|
.arg(Arg::new("config").long("config").action(ArgAction::Set))
|
|
.try_get_matches_from(&["config", "--config="])
|
|
.unwrap();
|
|
assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""));
|
|
|
|
let m = Command::new("config")
|
|
.arg(Arg::new("config").short('c').action(ArgAction::Set))
|
|
.try_get_matches_from(&["config", "-c="])
|
|
.unwrap();
|
|
assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""))
|
|
}
|
|
|
|
#[test]
|
|
fn no_empty_values() {
|
|
let m = Command::new("config")
|
|
.arg(
|
|
Arg::new("config")
|
|
.long("config")
|
|
.action(ArgAction::Set)
|
|
.value_parser(clap::builder::NonEmptyStringValueParser::new()),
|
|
)
|
|
.try_get_matches_from(&["config", "--config", ""]);
|
|
assert!(m.is_err());
|
|
assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
|
|
|
|
let m = Command::new("config")
|
|
.arg(
|
|
Arg::new("config")
|
|
.short('c')
|
|
.action(ArgAction::Set)
|
|
.value_parser(clap::builder::NonEmptyStringValueParser::new()),
|
|
)
|
|
.try_get_matches_from(&["config", "-c", ""]);
|
|
assert!(m.is_err());
|
|
assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue)
|
|
}
|
|
|
|
#[test]
|
|
fn no_empty_values_with_equals() {
|
|
let m = Command::new("config")
|
|
.arg(
|
|
Arg::new("config")
|
|
.long("config")
|
|
.action(ArgAction::Set)
|
|
.value_parser(clap::builder::NonEmptyStringValueParser::new()),
|
|
)
|
|
.try_get_matches_from(&["config", "--config="]);
|
|
assert!(m.is_err());
|
|
assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
|
|
|
|
let m = Command::new("config")
|
|
.arg(
|
|
Arg::new("config")
|
|
.short('c')
|
|
.action(ArgAction::Set)
|
|
.value_parser(clap::builder::NonEmptyStringValueParser::new()),
|
|
)
|
|
.try_get_matches_from(&["config", "-c="]);
|
|
assert!(m.is_err());
|
|
assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
|
|
}
|
|
|
|
#[test]
|
|
fn no_empty_values_without_equals() {
|
|
let m = Command::new("config")
|
|
.arg(
|
|
Arg::new("config")
|
|
.long("config")
|
|
.action(ArgAction::Set)
|
|
.value_parser(clap::builder::NonEmptyStringValueParser::new()),
|
|
)
|
|
.try_get_matches_from(&["config", "--config"]);
|
|
assert!(m.is_err());
|
|
assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
|
|
|
|
let m = Command::new("config")
|
|
.arg(
|
|
Arg::new("config")
|
|
.short('c')
|
|
.action(ArgAction::Set)
|
|
.value_parser(clap::builder::NonEmptyStringValueParser::new()),
|
|
)
|
|
.try_get_matches_from(&["config", "-c"]);
|
|
assert!(m.is_err());
|
|
assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue)
|
|
}
|
|
|
|
#[test]
|
|
fn no_empty_values_without_equals_but_requires_equals() {
|
|
let cmd = Command::new("config").arg(
|
|
Arg::new("config")
|
|
.long("config")
|
|
.action(ArgAction::Set)
|
|
.value_parser(clap::builder::NonEmptyStringValueParser::new())
|
|
.require_equals(true),
|
|
);
|
|
let m = cmd.clone().try_get_matches_from(&["config", "--config"]);
|
|
// Should error on no equals rather than empty value.
|
|
assert!(m.is_err());
|
|
assert_eq!(m.unwrap_err().kind(), ErrorKind::NoEquals);
|
|
|
|
static NO_EUQALS_ERROR: &str =
|
|
"error: Equal sign is needed when assigning values to '--config=<config>'.
|
|
|
|
Usage:
|
|
config [OPTIONS]
|
|
|
|
For more information try --help
|
|
";
|
|
|
|
utils::assert_output(cmd, "config --config", NO_EUQALS_ERROR, true);
|
|
}
|