let vendor = require('../vendor'); const VALUE = '-1px -1px 1px rgba(0, 0, 0, 0.2) inset'; it('returns prefix', () => { expect(vendor.prefix('-moz-color')).toBe('-moz-'); expect(vendor.prefix('color')).toBe(''); expect(vendor.prefix(VALUE)).toBe(''); }); it('returns unprefixed version', () => { expect(vendor.unprefixed('-moz-color')).toBe('color'); expect(vendor.unprefixed('color')).toBe('color'); expect(vendor.unprefixed(VALUE)).toEqual(VALUE); });