Files
30-seconds-of-code/test/shuffle/shuffle.test.js
2018-02-09 13:06:15 +02:00

19 lines
774 B
JavaScript

const test = require('tape');
const shuffle = require('./shuffle.js');
test('Testing shuffle', (t) => {
//For more information on all the methods supported by tape
//Please go to https://github.com/substack/tape
t.true(typeof shuffle === 'function', 'shuffle is a Function');
const arr = [1,2,3,4,5,6];
t.notEqual(shuffle(arr), arr, 'Shuffles the array');
t.true(shuffle(arr).every(x => arr.includes(x)), 'New array contains all original elements');
t.deepEqual(shuffle([]),[],'Works for empty arrays');
t.deepEqual(shuffle([1]),[1],'Works for single-element arrays');
//t.deepEqual(shuffle(args..), 'Expected');
//t.equal(shuffle(args..), 'Expected');
//t.false(shuffle(args..), 'Expected');
//t.throws(shuffle(args..), 'Expected');
t.end();
});