const expect = require('expect'); const partialRight = require('./partialRight.js'); test('Testing partialRight', () => { //For more information on all the methods supported by tape //Please go to https://github.com/substack/tape expect(typeof partialRight === 'function').toBeTruthy(); function greet(greeting, name) { return greeting + ' ' + name + '!'; } const greetJohn = partialRight(greet, 'John'); expect(greetJohn('Hello')).toBe('Hello John!'); });