mirror of
https://github.com/clap-rs/clap
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d45e4be14b
Fixes #3450
157 lines
4 KiB
Rust
157 lines
4 KiB
Rust
// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
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// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
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// Ana Hobden (@hoverbear) <operator@hoverbear.org>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//
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// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
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// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
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// MIT/Apache 2.0 license.
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use clap::error::ErrorKind;
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use clap::Parser;
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use std::num::ParseIntError;
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pub const DISPLAY_ORDER: usize = 2;
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// Check if the global settings compile
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#[derive(Parser, Debug, PartialEq, Eq)]
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#[command(group = clap::ArgGroup::new("foo"))]
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struct Opt {
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#[arg(
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long = "x",
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display_order = DISPLAY_ORDER,
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next_line_help = true,
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default_value = "0",
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require_equals = true,
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)]
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x: i32,
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#[arg(short = 'l', long = "level", aliases = ["set-level", "lvl"])]
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level: String,
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#[arg(long("values"))]
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values: Vec<i32>,
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#[arg(id = "FILE", requires_if("FILE", "values"))]
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files: Vec<String>,
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}
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#[test]
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fn test_slice() {
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assert_eq!(
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Opt {
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x: 0,
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level: "1".to_string(),
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files: Vec::new(),
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values: vec![],
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},
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Opt::try_parse_from(&["test", "-l", "1"]).unwrap()
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);
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assert_eq!(
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Opt {
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x: 0,
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level: "1".to_string(),
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files: Vec::new(),
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values: vec![],
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},
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Opt::try_parse_from(&["test", "--level", "1"]).unwrap()
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);
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assert_eq!(
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Opt {
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x: 0,
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level: "1".to_string(),
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files: Vec::new(),
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values: vec![],
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},
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Opt::try_parse_from(&["test", "--set-level", "1"]).unwrap()
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);
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assert_eq!(
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Opt {
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x: 0,
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level: "1".to_string(),
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files: Vec::new(),
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values: vec![],
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},
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Opt::try_parse_from(&["test", "--lvl", "1"]).unwrap()
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);
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}
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#[test]
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fn test_multi_args() {
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assert_eq!(
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Opt {
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x: 0,
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level: "1".to_string(),
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files: vec!["file".to_string()],
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values: vec![],
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},
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Opt::try_parse_from(&["test", "-l", "1", "file"]).unwrap()
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);
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assert_eq!(
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Opt {
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x: 0,
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level: "1".to_string(),
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files: vec!["FILE".to_string()],
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values: vec![1],
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},
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Opt::try_parse_from(&["test", "-l", "1", "--values", "1", "--", "FILE"]).unwrap()
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);
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}
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#[test]
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fn test_multi_args_fail() {
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let result = Opt::try_parse_from(&["test", "-l", "1", "--", "FILE"]);
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assert!(result.is_err());
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}
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#[test]
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fn test_bool() {
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assert_eq!(
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Opt {
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x: 1,
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level: "1".to_string(),
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files: vec![],
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values: vec![],
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},
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Opt::try_parse_from(&["test", "-l", "1", "--x=1"]).unwrap()
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);
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let result = Opt::try_parse_from(&["test", "-l", "1", "--x", "1"]);
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assert!(result.is_err());
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assert_eq!(result.unwrap_err().kind(), ErrorKind::NoEquals);
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}
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fn parse_hex(input: &str) -> Result<u64, ParseIntError> {
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u64::from_str_radix(input, 16)
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}
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#[derive(Parser, PartialEq, Debug)]
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struct HexOpt {
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#[arg(short, value_parser = parse_hex)]
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number: u64,
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}
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#[test]
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fn test_parse_hex_function_path() {
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assert_eq!(
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HexOpt { number: 5 },
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HexOpt::try_parse_from(&["test", "-n", "5"]).unwrap()
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);
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assert_eq!(
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HexOpt {
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number: 0x00ab_cdef
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},
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HexOpt::try_parse_from(&["test", "-n", "abcdef"]).unwrap()
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);
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let err = HexOpt::try_parse_from(&["test", "-n", "gg"]).unwrap_err();
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assert!(
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err.to_string().contains("invalid digit found in string"),
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"{}",
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err
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);
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}
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