const expect = require('expect'); const merge = require('./merge.js'); test('Testing merge', () => { //For more information on all the methods supported by tape //Please go to https://github.com/substack/tape expect(typeof merge === 'function').toBeTruthy(); const object = { a: [{ x: 2 }, { y: 4 }], b: 1 }; const other = { a: { z: 3 }, b: [2, 3], c: 'foo' }; expect(merge(object, other)).toEqual({ a: [ { x: 2 }, { y: 4 }, { z: 3 } ], b: [ 1, 2, 3 ], c: 'foo' }); });