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); }); }); describe('isDesktop', () => { it('returns true when screen size is medium', () => { spyOn(bp, 'windowWidth').and.returnValue(breakpoints.md + 10); expect(bp.isDesktop()).toBe(true); }); it('returns false when screen size is small', () => { spyOn(bp, 'windowWidth').and.returnValue(breakpoints.sm + 10); expect(bp.isDesktop()).toBe(false); }); }); });