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Added tests and converted dictionary key generator to es6

This commit is contained in:
John Crepezzi 2017-10-31 20:55:59 -04:00
parent 40f1f2588e
commit f161cc33b4
2 changed files with 62 additions and 21 deletions

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@ -1,24 +1,32 @@
var fs = require('fs');
const fs = require('fs');
var DictionaryGenerator = function(options) {
//Options
if (!options) throw Error('No options passed to generator');
if (!options.path) throw Error('No dictionary path specified in options');
module.exports = class DictionaryGenerator {
constructor(options, readyCallback) {
// Check options format
if (!options) throw Error('No options passed to generator');
if (!options.path) throw Error('No dictionary path specified in options');
// Load dictionary
fs.readFile(options.path, 'utf8', (err, data) => {
if (err) throw err;
this.dictionary = data.split(/[\n\r]+/);
if (readyCallback) readyCallback();
});
}
// Generates a dictionary-based key, of keyLength words
createKey(keyLength) {
let text = '';
for (let i = 0; i < keyLength; i++) {
const index = Math.floor(Math.random() * this.dictionary.length);
text += this.dictionary[index];
}
return text;
}
//Load dictionary
fs.readFile(options.path, 'utf8', (err, data) => {
if (err) throw err;
this.dictionary = data.split(/[\n\r]+/);
});
};
//Generates a dictionary-based key, of keyLength words
DictionaryGenerator.prototype.createKey = function(keyLength) {
var text = '';
for(var i = 0; i < keyLength; i++)
text += this.dictionary[Math.floor(Math.random() * this.dictionary.length)];
return text;
};
module.exports = DictionaryGenerator;

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/* global describe, it */
const assert = require('assert');
const fs = require('fs');
const Generator = require('../../lib/key_generators/dictionary');
describe('RandomKeyGenerator', function() {
describe('randomKey', function() {
it('should throw an error if given no options', () => {
assert.throws(() => {
new Generator();
}, Error);
});
it('should throw an error if given no path', () => {
assert.throws(() => {
new Generator({});
}, Error);
});
it('should return a key of the proper number of words from the given dictionary', () => {
const path = '/tmp/haste-server-test-dictionary';
const words = ['cat'];
fs.writeFileSync(path, words.join('\n'));
const gen = new Generator({path}, () => {
assert.equal('catcatcat', gen.createKey(3));
});
});
});
});