const expect = require('expect'); const isValidJSON = require('./isValidJSON.js'); test('Testing isValidJSON', () => { //For more information on all the methods supported by tape //Please go to https://github.com/substack/tape expect(typeof isValidJSON === 'function').toBeTruthy(); expect(isValidJSON('{"name":"Adam","age":20}')).toBe(true); expect(isValidJSON('{"name":"Adam",age:"20"}')).toBe(false); expect(isValidJSON(null)).toBe(true); });