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/* Copyright © 2018 Jeremy Cline
Copyright © 2017-2018 Randy Barlow
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.*/
//! # yubibomb
//!
//! ```yubibomb``` returns fake HOTP tokens so you can paste them into IRC.
extern crate rand;
use rand::Rng;
/// Returns an HOTP token.
///
/// # Examples
///
/// ```
/// println!("{}", yubibomb::hotp());
/// ```
pub fn hotp() -> String {
format!("{:06}", rand::thread_rng().gen_range(0..1000000))
}
#[cfg(test)]
mod tests {
extern crate regex;
use self::regex::Regex;
use super::*;
#[test]
fn digits() {
let re = Regex::new(r"^\d{6}(?:\s*,\s*\d{6})*$").unwrap();
assert!(re.is_match(&hotp()));
}
#[test]
fn len_6() {
assert_eq!(hotp().len(), 6);
}
}