const getFileNameAndExtension = require('./getFileNameAndExtension') describe('getFileNameAndExtension', () => { it('should return the filename and extension as an array', () => { expect(getFileNameAndExtension('fsdfjodsuf23rfw.jpg')).toEqual({ name: 'fsdfjodsuf23rfw', extension: 'jpg' }) }) it('should handle invalid filenames', () => { expect(getFileNameAndExtension('fsdfjodsuf23rfw')).toEqual({ name: 'fsdfjodsuf23rfw', extension: undefined }) }) })