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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::StructOpt;
#[test]
fn unique_flag() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short, long)]
alice: bool,
}
assert_eq!(
Opt { alice: false },
Opt::from_clap(&Opt::clap().get_matches_from(&["test"]))
);
assert_eq!(
Opt { alice: true },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a"]))
);
assert_eq!(
Opt { alice: true },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--alice"]))
);
assert!(Opt::clap().get_matches_from_safe(&["test", "-i"]).is_err());
assert!(Opt::clap()
.get_matches_from_safe(&["test", "-a", "foo"])
.is_err());
assert!(Opt::clap()
.get_matches_from_safe(&["test", "-a", "-a"])
.is_err());
assert!(Opt::clap()
.get_matches_from_safe(&["test", "-a", "--alice"])
.is_err());
}
#[test]
fn multiple_flag() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short, long, parse(from_occurrences))]
alice: u64,
#[structopt(short, long, parse(from_occurrences))]
bob: u8,
}
assert_eq!(
Opt { alice: 0, bob: 0 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test"]))
);
assert_eq!(
Opt { alice: 1, bob: 0 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a"]))
);
assert_eq!(
Opt { alice: 2, bob: 0 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a", "-a"]))
);
assert_eq!(
Opt { alice: 2, bob: 2 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a", "--alice", "-bb"]))
);
assert_eq!(
Opt { alice: 3, bob: 1 },
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-aaa", "--bob"]))
);
assert!(Opt::clap().get_matches_from_safe(&["test", "-i"]).is_err());
assert!(Opt::clap()
.get_matches_from_safe(&["test", "-a", "foo"])
.is_err());
}
fn parse_from_flag(b: bool) -> std::sync::atomic::AtomicBool {
std::sync::atomic::AtomicBool::new(b)
}
#[test]
fn non_bool_flags() {
#[derive(StructOpt, Debug)]
struct Opt {
#[structopt(short, long, parse(from_flag = parse_from_flag))]
alice: std::sync::atomic::AtomicBool,
#[structopt(short, long, parse(from_flag))]
bob: std::sync::atomic::AtomicBool,
}
let falsey = Opt::from_clap(&Opt::clap().get_matches_from(&["test"]));
assert!(!falsey.alice.load(std::sync::atomic::Ordering::Relaxed));
assert!(!falsey.bob.load(std::sync::atomic::Ordering::Relaxed));
let alice = Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a"]));
assert!(alice.alice.load(std::sync::atomic::Ordering::Relaxed));
assert!(!alice.bob.load(std::sync::atomic::Ordering::Relaxed));
let bob = Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-b"]));
assert!(!bob.alice.load(std::sync::atomic::Ordering::Relaxed));
assert!(bob.bob.load(std::sync::atomic::Ordering::Relaxed));
let both = Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-b", "-a"]));
assert!(both.alice.load(std::sync::atomic::Ordering::Relaxed));
assert!(both.bob.load(std::sync::atomic::Ordering::Relaxed));
}
#[test]
fn combined_flags() {
#[derive(StructOpt, PartialEq, Debug)]
struct Opt {
#[structopt(short, long)]
alice: bool,
#[structopt(short, long, parse(from_occurrences))]
bob: u64,
}
assert_eq!(
Opt {
alice: false,
bob: 0
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test"]))
);
assert_eq!(
Opt {
alice: true,
bob: 0
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a"]))
);
assert_eq!(
Opt {
alice: true,
bob: 0
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-a"]))
);
assert_eq!(
Opt {
alice: false,
bob: 1
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-b"]))
);
assert_eq!(
Opt {
alice: true,
bob: 1
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "--alice", "--bob"]))
);
assert_eq!(
Opt {
alice: true,
bob: 4
},
Opt::from_clap(&Opt::clap().get_matches_from(&["test", "-bb", "-a", "-bb"]))
);
}
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