import bp, { breakpoints } from '~/breakpoints'; describe('breakpoints', () => { Object.keys(breakpoints).forEach(key => { const size = breakpoints[key]; it(`returns ${key} when larger than ${size}`, () => { spyOn(bp, 'windowWidth').and.returnValue(size + 10); expect(bp.getBreakpointSize()).toBe(key); }); }); });