fuzzt 0.3.1

Implementations of string similarity metrics. Includes Hamming, Levenshtein, OSA, Damerau-Levenshtein, Jaro, Jaro-Winkler, and Sørensen-Dice.
Documentation 
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extern crate fuzzt;

use fuzzt::{
    algorithms::{
        damerau_levenshtein, hamming, jaro, jaro_winkler, levenshtein,
        normalized_damerau_levenshtein, normalized_levenshtein, osa_distance, sequence_matcher,
    },
    assert_delta,
};

#[test]
fn hamming_works() {
    match hamming("hamming", "hammers") {
        Ok(distance) => assert_eq!(3, distance),
        Err(why) => panic!("{:?}", why),
    }
}

#[test]
fn levenshtein_works() {
    assert_eq!(3, levenshtein("kitten", "sitting"));
}

#[test]
fn normalized_levenshtein_works() {
    assert_delta!(0.57142, normalized_levenshtein("kitten", "sitting"));
}

#[test]
fn osa_distance_works() {
    assert_eq!(3, osa_distance("ac", "cba"));
}

#[test]
fn damerau_levenshtein_works() {
    assert_eq!(2, damerau_levenshtein("ac", "cba"));
}

#[test]
fn normalized_damerau_levenshtein_works() {
    assert_delta!(
        0.27272,
        normalized_damerau_levenshtein("levenshtein", "löwenbräu")
    );
}

#[test]
fn jaro_works() {
    assert_delta!(
        0.392,
        jaro("Friedrich Nietzsche", "Jean-Paul Sartre"),
        0.001
    );
}

#[test]
fn jaro_winkler_works() {
    assert_delta!(0.866, jaro_winkler("cheeseburger", "cheese fries"), 0.001);
}

#[test]
fn sequence_matcher_works() {
    assert_delta!(0.615, sequence_matcher("kitten", "sitting"), 0.001);
}