clap/tests/derive/non_literal_attributes.rs
2022-09-06 20:50:09 -05:00

157 lines
4 KiB
Rust

// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
// Ana Hobden (@hoverbear) <operator@hoverbear.org>
//
// 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.
//
// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
// MIT/Apache 2.0 license.
use clap::error::ErrorKind;
use clap::Parser;
use std::num::ParseIntError;
pub const DISPLAY_ORDER: usize = 2;
// Check if the global settings compile
#[derive(Parser, Debug, PartialEq, Eq)]
#[command(group = clap::ArgGroup::new("foo"))]
struct Opt {
#[arg(
long = "x",
display_order = DISPLAY_ORDER,
next_line_help = true,
default_value = "0",
require_equals = true,
)]
x: i32,
#[arg(short = 'l', long = "level", aliases = ["set-level", "lvl"])]
level: String,
#[arg(long("values"))]
values: Vec<i32>,
#[arg(id = "FILE", requires_if("FILE", "values"))]
files: Vec<String>,
}
#[test]
fn test_slice() {
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: Vec::new(),
values: vec![],
},
Opt::try_parse_from(&["test", "-l", "1"]).unwrap()
);
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: Vec::new(),
values: vec![],
},
Opt::try_parse_from(&["test", "--level", "1"]).unwrap()
);
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: Vec::new(),
values: vec![],
},
Opt::try_parse_from(&["test", "--set-level", "1"]).unwrap()
);
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: Vec::new(),
values: vec![],
},
Opt::try_parse_from(&["test", "--lvl", "1"]).unwrap()
);
}
#[test]
fn test_multi_args() {
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: vec!["file".to_string()],
values: vec![],
},
Opt::try_parse_from(&["test", "-l", "1", "file"]).unwrap()
);
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: vec!["FILE".to_string()],
values: vec![1],
},
Opt::try_parse_from(&["test", "-l", "1", "--values", "1", "--", "FILE"]).unwrap()
);
}
#[test]
fn test_multi_args_fail() {
let result = Opt::try_parse_from(&["test", "-l", "1", "--", "FILE"]);
assert!(result.is_err());
}
#[test]
fn test_bool() {
assert_eq!(
Opt {
x: 1,
level: "1".to_string(),
files: vec![],
values: vec![],
},
Opt::try_parse_from(&["test", "-l", "1", "--x=1"]).unwrap()
);
let result = Opt::try_parse_from(&["test", "-l", "1", "--x", "1"]);
assert!(result.is_err());
assert_eq!(result.unwrap_err().kind(), ErrorKind::NoEquals);
}
fn parse_hex(input: &str) -> Result<u64, ParseIntError> {
u64::from_str_radix(input, 16)
}
#[derive(Parser, PartialEq, Debug)]
struct HexOpt {
#[arg(short, value_parser = parse_hex)]
number: u64,
}
#[test]
fn test_parse_hex_function_path() {
assert_eq!(
HexOpt { number: 5 },
HexOpt::try_parse_from(&["test", "-n", "5"]).unwrap()
);
assert_eq!(
HexOpt {
number: 0x00ab_cdef
},
HexOpt::try_parse_from(&["test", "-n", "abcdef"]).unwrap()
);
let err = HexOpt::try_parse_from(&["test", "-n", "gg"]).unwrap_err();
assert!(
err.to_string().contains("invalid digit found in string"),
"{}",
err
);
}