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53 lines
1.4 KiB
Rust
53 lines
1.4 KiB
Rust
//! ## Random
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//!
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//! `random` is the module which provides utilities for rand
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/*
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*
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* Copyright (C) 2020-2021Christian Visintin - christian.visintin1997@gmail.com
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*
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* This file is part of "TermSCP"
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*
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* TermSCP is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* TermSCP is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with TermSCP. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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// Deps
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extern crate rand;
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// Ext
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use rand::{distributions::Alphanumeric, thread_rng, Rng};
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/// ## random_alphanumeric_with_len
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///
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/// Generate a random alphanumeric string with provided length
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pub fn random_alphanumeric_with_len(len: usize) -> String {
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let mut rng = thread_rng();
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std::iter::repeat(())
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.map(|()| rng.sample(Alphanumeric))
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.map(char::from)
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.take(len)
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.collect()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_utils_random_alphanumeric_with_len() {
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assert_eq!(random_alphanumeric_with_len(256).len(), 256);
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}
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}
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