Phonetic key generator to es6 and add some tests
This commit is contained in:
parent
f161cc33b4
commit
3b6934e348
|
@ -1,33 +1,27 @@
|
||||||
// Draws inspiration from pwgen and http://tools.arantius.com/password
|
// Draws inspiration from pwgen and http://tools.arantius.com/password
|
||||||
var PhoneticKeyGenerator = function() {
|
|
||||||
// No options
|
const randOf = (collection) => {
|
||||||
|
return () => {
|
||||||
|
return collection[Math.floor(Math.random() * collection.length)];
|
||||||
|
};
|
||||||
};
|
};
|
||||||
|
|
||||||
// Generate a phonetic key
|
// Helper methods to get an random vowel or consonant
|
||||||
PhoneticKeyGenerator.prototype.createKey = function(keyLength) {
|
const randVowel = randOf('aeiou');
|
||||||
var text = '';
|
const randConsonant = randOf('bcdfghjklmnpqrstvwxyz');
|
||||||
var start = Math.round(Math.random());
|
|
||||||
for (var i = 0; i < keyLength; i++) {
|
module.exports = class PhoneticKeyGenerator {
|
||||||
text += (i % 2 == start) ? this.randConsonant() : this.randVowel();
|
|
||||||
|
// Generate a phonetic key of alternating consonant & vowel
|
||||||
|
createKey(keyLength) {
|
||||||
|
let text = '';
|
||||||
|
const start = Math.round(Math.random());
|
||||||
|
|
||||||
|
for (let i = 0; i < keyLength; i++) {
|
||||||
|
text += (i % 2 == start) ? randConsonant() : randVowel();
|
||||||
|
}
|
||||||
|
|
||||||
|
return text;
|
||||||
}
|
}
|
||||||
return text;
|
|
||||||
};
|
};
|
||||||
|
|
||||||
PhoneticKeyGenerator.consonants = 'bcdfghjklmnpqrstvwxyz';
|
|
||||||
PhoneticKeyGenerator.vowels = 'aeiou';
|
|
||||||
|
|
||||||
// Get an random vowel
|
|
||||||
PhoneticKeyGenerator.prototype.randVowel = function() {
|
|
||||||
return PhoneticKeyGenerator.vowels[
|
|
||||||
Math.floor(Math.random() * PhoneticKeyGenerator.vowels.length)
|
|
||||||
];
|
|
||||||
};
|
|
||||||
|
|
||||||
// Get an random consonant
|
|
||||||
PhoneticKeyGenerator.prototype.randConsonant = function() {
|
|
||||||
return PhoneticKeyGenerator.consonants[
|
|
||||||
Math.floor(Math.random() * PhoneticKeyGenerator.consonants.length)
|
|
||||||
];
|
|
||||||
};
|
|
||||||
|
|
||||||
module.exports = PhoneticKeyGenerator;
|
|
||||||
|
|
|
@ -0,0 +1,27 @@
|
||||||
|
/* global describe, it */
|
||||||
|
|
||||||
|
const assert = require('assert');
|
||||||
|
|
||||||
|
const Generator = require('../../lib/key_generators/phonetic');
|
||||||
|
|
||||||
|
const vowels = 'aeiou';
|
||||||
|
const consonants = 'bcdfghjklmnpqrstvwxyz';
|
||||||
|
|
||||||
|
describe('RandomKeyGenerator', () => {
|
||||||
|
describe('randomKey', () => {
|
||||||
|
it('should return a key of the proper length', () => {
|
||||||
|
const gen = new Generator();
|
||||||
|
assert.equal(6, gen.createKey(6).length);
|
||||||
|
});
|
||||||
|
|
||||||
|
it('should alternate consonants and vowels', () => {
|
||||||
|
const gen = new Generator();
|
||||||
|
|
||||||
|
const key = gen.createKey(3);
|
||||||
|
|
||||||
|
assert.ok(consonants.includes(key[0]));
|
||||||
|
assert.ok(consonants.includes(key[2]));
|
||||||
|
assert.ok(vowels.includes(key[1]));
|
||||||
|
});
|
||||||
|
});
|
||||||
|
});
|
Loading…
Reference in New Issue