import $ from 'jquery'; import { togglePopover, mouseleave, mouseenter } from '~/shared/popover'; describe('popover', () => { describe('togglePopover', () => { describe('togglePopover(true)', () => { it('returns true when popover is shown', () => { const context = { hasClass: () => false, popover: () => {}, toggleClass: () => {}, }; expect(togglePopover.call(context, true)).toEqual(true); }); it('returns false when popover is already shown', () => { const context = { hasClass: () => true, }; expect(togglePopover.call(context, true)).toEqual(false); }); it('shows popover', done => { const context = { hasClass: () => false, popover: () => {}, toggleClass: () => {}, }; jest.spyOn(context, 'popover').mockImplementation(method => { expect(method).toEqual('show'); done(); }); togglePopover.call(context, true); }); it('adds disable-animation and js-popover-show class', done => { const context = { hasClass: () => false, popover: () => {}, toggleClass: () => {}, }; jest.spyOn(context, 'toggleClass').mockImplementation((classNames, show) => { expect(classNames).toEqual('disable-animation js-popover-show'); expect(show).toEqual(true); done(); }); togglePopover.call(context, true); }); }); describe('togglePopover(false)', () => { it('returns true when popover is hidden', () => { const context = { hasClass: () => true, popover: () => {}, toggleClass: () => {}, }; expect(togglePopover.call(context, false)).toEqual(true); }); it('returns false when popover is already hidden', () => { const context = { hasClass: () => false, }; expect(togglePopover.call(context, false)).toEqual(false); }); it('hides popover', done => { const context = { hasClass: () => true, popover: () => {}, toggleClass: () => {}, }; jest.spyOn(context, 'popover').mockImplementation(method => { expect(method).toEqual('hide'); done(); }); togglePopover.call(context, false); }); it('removes disable-animation and js-popover-show class', done => { const context = { hasClass: () => true, popover: () => {}, toggleClass: () => {}, }; jest.spyOn(context, 'toggleClass').mockImplementation((classNames, show) => { expect(classNames).toEqual('disable-animation js-popover-show'); expect(show).toEqual(false); done(); }); togglePopover.call(context, false); }); }); }); describe('mouseleave', () => { it('calls hide popover if .popover:hover is false', () => { const fakeJquery = { length: 0, }; jest .spyOn($.fn, 'init') .mockImplementation(selector => (selector === '.popover:hover' ? fakeJquery : $.fn)); jest.spyOn(togglePopover, 'call').mockImplementation(() => {}); mouseleave(); expect(togglePopover.call).toHaveBeenCalledWith(expect.any(Object), false); }); it('does not call hide popover if .popover:hover is true', () => { const fakeJquery = { length: 1, }; jest .spyOn($.fn, 'init') .mockImplementation(selector => (selector === '.popover:hover' ? fakeJquery : $.fn)); jest.spyOn(togglePopover, 'call').mockImplementation(() => {}); mouseleave(); expect(togglePopover.call).not.toHaveBeenCalledWith(false); }); }); describe('mouseenter', () => { const context = {}; it('shows popover', () => { jest.spyOn(togglePopover, 'call').mockReturnValue(false); mouseenter.call(context); expect(togglePopover.call).toHaveBeenCalledWith(expect.any(Object), true); }); it('registers mouseleave event if popover is showed', done => { jest.spyOn(togglePopover, 'call').mockReturnValue(true); jest.spyOn($.fn, 'on').mockImplementation(eventName => { expect(eventName).toEqual('mouseleave'); done(); }); mouseenter.call(context); }); it('does not register mouseleave event if popover is not showed', () => { jest.spyOn(togglePopover, 'call').mockReturnValue(false); const spy = jest.spyOn($.fn, 'on').mockImplementation(() => {}); mouseenter.call(context); expect(spy).not.toHaveBeenCalled(); }); }); });