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// 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 structopt::clap::AppSettings;
use structopt::StructOpt;
pub const DISPLAY_ORDER: usize = 2;
// Check if the global settings compile
#[derive(StructOpt, Debug, PartialEq, Eq)]
#[structopt(global_settings = &[AppSettings::ColoredHelp])]
struct Opt {
#[structopt(
long = "x",
display_order = DISPLAY_ORDER,
next_line_help = true,
default_value = "0",
require_equals = true
)]
x: i32,
#[structopt(short = "l", long = "level", aliases = &["set-level", "lvl"])]
level: String,
#[structopt(long("values"))]
values: Vec<i32>,
#[structopt(name = "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::from_clap(&Opt::clap().get_matches_from(&["test", "-l", "1"]))
);
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: Vec::new(),
values: vec![],
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--level", "1"]))
);
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: Vec::new(),
values: vec![],
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--set-level", "1"]))
);
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: Vec::new(),
values: vec![],
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--lvl", "1"]))
);
}
#[test]
fn test_multi_args() {
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: vec!["file".to_string()],
values: vec![],
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-l", "1", "file"]))
);
assert_eq!(
Opt {
x: 0,
level: "1".to_string(),
files: vec!["FILE".to_string()],
values: vec![1],
},
Opt::from_clap(
&Opt::clap().get_matches_from(&["test", "-l", "1", "--values", "1", "--", "FILE"]),
)
);
}
#[test]
fn test_multi_args_fail() {
let result = Opt::clap().get_matches_from_safe(&["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::from_clap(&Opt::clap().get_matches_from(&["test", "-l", "1", "--x=1"]))
);
let result = Opt::clap().get_matches_from_safe(&["test", "-l", "1", "--x", "1"]);
assert!(result.is_err());
}
fn parse_hex(input: &str) -> Result<u64, std::num::ParseIntError> {
u64::from_str_radix(input, 16)
}
#[derive(StructOpt, PartialEq, Debug)]
struct HexOpt {
#[structopt(short = "n", parse(try_from_str = parse_hex))]
number: u64,
}
#[test]
fn test_parse_hex_function_path() {
assert_eq!(
HexOpt { number: 5 },
HexOpt::from_clap(&HexOpt::clap().get_matches_from(&["test", "-n", "5"]))
);
assert_eq!(
HexOpt { number: 0xabcdef },
HexOpt::from_clap(&HexOpt::clap().get_matches_from(&["test", "-n", "abcdef"]))
);
let err = HexOpt::clap()
.get_matches_from_safe(&["test", "-n", "gg"])
.unwrap_err();
assert!(err.message.contains("invalid digit found in string"), err);
}
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