Files
30-seconds-of-code/test/mapObject/mapObject.test.js
Angelos Chalaris 4f7da1be9b Test migration to jest by hand
Apparently using regular expressions is way easier.
2018-06-18 15:15:56 +03:00

13 lines
649 B
JavaScript

const expect = require('expect');
const mapObject = require('./mapObject.js');
test('mapObject is a Function', () => {
expect(mapObject).toBeInstanceOf(Function);
});
t.deepEqual(mapObject([1, 2, 3], a => a * a), { 1: 1, 2: 4, 3: 9 }, "mapObject([1, 2, 3], a => a * a) returns { 1: 1, 2: 4, 3: 9 }");
t.deepEqual(mapObject([1, 2, 3, 4], (a, b) => b - a), { 1: -1, 2: -1, 3: -1, 4: -1 }, 'mapObject([1, 2, 3, 4], (a, b) => b - a) returns { 1: -1, 2: -1, 3: -1, 4: -1 }');
t.deepEqual(mapObject([1, 2, 3, 4], (a, b) => a - b), { 1: 1, 2: 1, 3: 1, 4: 1 }, 'mapObject([1, 2, 3, 4], (a, b) => a - b) returns { 1: 1, 2: 1, 3: 1, 4: 1 }');