clap/clap_derive/tests/skip.rs
2020-01-18 17:40:07 +05:30

148 lines
2.8 KiB
Rust

// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use clap::Clap;
#[test]
fn skip_1() {
#[derive(Clap, Debug, PartialEq)]
struct Opt {
#[clap(short)]
x: u32,
#[clap(skip)]
s: u32,
}
assert!(Opt::try_parse_from(&["test", "-x", "10", "20"]).is_err());
assert_eq!(
Opt::parse_from(&["test", "-x", "10"]),
Opt {
x: 10,
s: 0, // default
}
);
}
#[test]
fn skip_2() {
#[derive(Clap, Debug, PartialEq)]
struct Opt {
#[clap(short)]
x: u32,
#[clap(skip)]
ss: String,
#[clap(skip)]
sn: u8,
y: u32,
#[clap(skip)]
sz: u16,
t: u32,
}
assert_eq!(
Opt::parse_from(&["test", "-x", "10", "20", "30"]),
Opt {
x: 10,
ss: String::from(""),
sn: 0,
y: 20,
sz: 0,
t: 30,
}
);
}
#[test]
fn skip_enum() {
#[derive(Debug, PartialEq)]
#[allow(unused)]
enum Kind {
A,
B,
}
impl Default for Kind {
fn default() -> Self {
return Kind::B;
}
}
#[derive(Clap, Debug, PartialEq)]
pub struct Opt {
#[clap(long, short)]
number: u32,
#[clap(skip)]
k: Kind,
#[clap(skip)]
v: Vec<u32>,
}
assert_eq!(
Opt::parse_from(&["test", "-n", "10"]),
Opt {
number: 10,
k: Kind::B,
v: vec![],
}
);
}
#[test]
fn skip_help_doc_comments() {
#[derive(Clap, Debug, PartialEq)]
pub struct Opt {
#[clap(skip, help = "internal_stuff")]
a: u32,
#[clap(skip, long_help = "internal_stuff\ndo not touch")]
b: u32,
/// Not meant to be used by clap.
///
/// I want a default here.
#[clap(skip)]
c: u32,
#[clap(short, parse(try_from_str))]
n: u32,
}
assert_eq!(
Opt::parse_from(&["test", "-n", "10"]),
Opt {
n: 10,
a: 0,
b: 0,
c: 0,
}
);
}
#[test]
fn skip_val() {
#[derive(Clap, Debug, PartialEq)]
pub struct Opt {
#[clap(long, short)]
number: u32,
#[clap(skip = "key")]
k: String,
#[clap(skip = vec![1, 2, 3])]
v: Vec<u32>,
}
assert_eq!(
Opt::parse_from(&["test", "-n", "10"]),
Opt {
number: 10,
k: "key".into(),
v: vec![1, 2, 3]
}
);
}