ferric_crypto_lib 0.2.7

A library for Ferric Crypto
Documentation 
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//! # Utils Tests
//! Tests for the utils module.
//!

//use num_bigint::BigUint;
use crate::error::CharacterParseError;
use crate::utils::matrix_functions::transpose_matrix;
use crate::utils::{decode_list, encode_char, encode_string, BaseString, EncodedString};
use num_integer::gcd;

fn test_gcd(a: usize, b: usize, expected: usize) {
    let result = gcd(a, b);
    assert_eq!(result, expected);
}

#[test]
fn test_gcd_1() {
    test_gcd(255, 256, 1);
}

#[test]
fn test_gcd_numbers() {
    let n = 255;
    let mut relative_primes = Vec::new();
    for i in 1..n {
        let num = gcd(i, n);
        if num == 1 {
            relative_primes.push(i);
        }
    }

    println!("{:?}", relative_primes.len());
}

#[test]
fn test_sve() {
    let t = "abc";
    let v = vec![0, 1, 2];
    let result = encode_string(t).unwrap();
    // dbg!(&result);
    assert_eq!(result, v);
}

#[test]
fn test_sve_act() {
    let t = "act";
    let v = vec![0, 2, 19];
    let result = encode_string(t).unwrap();
    // dbg!(&result);
    assert_eq!(result, v);
}

#[test]
fn test_sve_vec() {
    let t = vec![0, 1, 2];
    let v = "abc";
    assert_eq!(decode_list(t).unwrap(), v);
}

#[test]
fn test_transpose_matrix() {
    let matrix = vec![1, 2, 3, 4, 5, 6];
    let rows = 2;
    let cols = 3;
    let expected = vec![vec![1, 4], vec![2, 5], vec![3, 6]];
    let result = transpose_matrix(&matrix, rows, cols);
    assert_eq!(result, expected);
}

#[test]
fn test_sve_char() {
    let t = 'a';
    let v = 0;
    let result = encode_char(t).unwrap();

    assert_eq!(result, v);
}

#[test]
fn test_sve_invalid_char() {
    let t = 'w';

    let result = encode_char(t);
    // test if is correct Err
    assert!(result.is_err());
    let result = result.unwrap_err();
    assert_eq!(result, CharacterParseError::InvalidCharacter(t));
}

#[test]
fn sve_returns_error_for_non_alphabet_characters() {
    let t = "abc1";
    let result = encode_string(t);
    assert!(result.is_err());
    assert_eq!(
        result.unwrap_err(),
        CharacterParseError::InvalidCharacter('1')
    );
}

#[test]
fn sve_vec_returns_error_for_out_of_range_indices() {
    let t = vec![0, 1, 2, 50];
    let result = decode_list(t);
    assert!(result.is_err());
    assert_eq!(result.unwrap_err(), CharacterParseError::InvalidIndex(50));
}

#[test]
fn sve_char_returns_error_for_non_alphabet_character() {
    let t = '1';
    let result = encode_char(t);
    assert!(result.is_err());
    assert_eq!(
        result.unwrap_err(),
        CharacterParseError::InvalidCharacter('1')
    );
}

// ===============TEST ENCODING/DECODING================

fn test_encode(txt: String, expected: String) {
    let base_str = BaseString::new(txt);
    let result = base_str.encode().unwrap().flatten();
    assert_eq!(result, expected);
}
fn test_encode_asym(txt: String, expected: String) {
    let base_str = BaseString::new(txt);
    let result = base_str.encode_asym().unwrap().flatten();
    assert_eq!(result, expected);
}

#[test]
fn test_encode_string() {
    test_encode("abc".to_string(), "012".to_string());
}

#[test]
fn test_encode_string_asym() {
    test_encode_asym(
        "imponerande".to_string(),
        "913161514051801140405".to_string(),
    );
}

#[test]
fn test_encode_string_2() {
    let base_str = BaseString::new("imponerande".to_string());
    let result = base_str.encode().unwrap().flatten();
    assert_eq!(result, "81215141341701334");
}