const expect = require('expect'); const bindKey = require('./bindKey.js'); test('Testing bindKey', () => { //For more information on all the methods supported by tape //Please go to https://github.com/substack/tape expect(typeof bindKey === 'function').toBeTruthy(); const freddy = { user: 'fred', greet: function(greeting, punctuation) { return greeting + ' ' + this.user + punctuation; } }; const freddyBound = bindKey(freddy, 'greet'); expect(freddyBound('hi', '!')).toBe('hi fred!'); });