Files
30-seconds-of-code/test/differenceBy/differenceBy.test.js
2018-02-03 11:58:24 +02:00

16 lines
761 B
JavaScript

const test = require('tape');
const differenceBy = require('./differenceBy.js');
test('Testing differenceBy', (t) => {
//For more information on all the methods supported by tape
//Please go to https://github.com/substack/tape
t.true(typeof differenceBy === 'function', 'differenceBy is a Function');
t.deepEqual(differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor), [1.2], 'Works using a native function and numbers');
t.deepEqual(differenceBy([{ x: 2 }, { x: 1 }], [{ x: 1 }], v => v.x), [ { x: 2 } ], 'Works with arrow function and objects');
//t.deepEqual(differenceBy(args..), 'Expected');
//t.equal(differenceBy(args..), 'Expected');
//t.false(differenceBy(args..), 'Expected');
//t.throws(differenceBy(args..), 'Expected');
t.end();
});