import MockAdapter from 'axios-mock-adapter'; import $ from 'jquery'; import { loadHTMLFixture, resetHTMLFixture } from 'helpers/fixtures'; import initMrPage from 'helpers/init_vue_mr_page_helper'; import axios from '~/lib/utils/axios_utils'; import MergeRequestTabs from '~/merge_request_tabs'; import '~/lib/utils/common_utils'; import '~/lib/utils/url_utility'; jest.mock('~/lib/utils/webpack', () => ({ resetServiceWorkersPublicPath: jest.fn(), })); describe('MergeRequestTabs', () => { const testContext = {}; const stubLocation = {}; const setLocation = (stubs) => { const defaults = { pathname: '', search: '', hash: '', }; $.extend(stubLocation, defaults, stubs || {}); }; beforeEach(() => { initMrPage(); testContext.class = new MergeRequestTabs({ stubLocation }); setLocation(); testContext.spies = { history: jest.spyOn(window.history, 'pushState').mockImplementation(() => {}), }; gl.mrWidget = {}; }); describe('clickTab', () => { let params; beforeEach(() => { document.documentElement.scrollTop = 100; params = { metaKey: false, ctrlKey: false, which: 1, stopImmediatePropagation() {}, preventDefault() {}, currentTarget: { getAttribute(attr) { return attr === 'href' ? 'a/tab/url' : null; }, }, }; }); it("stores the current scroll position if there's an active tab", () => { testContext.class.currentTab = 'someTab'; testContext.class.clickTab(params); expect(testContext.class.scrollPositions.someTab).toBe(100); }); it("doesn't store a scroll position if there's no active tab", () => { // this happens on first load, and we just don't want to store empty values in the `null` property testContext.class.currentTab = null; testContext.class.clickTab(params); expect(testContext.class.scrollPositions).toEqual({}); }); }); describe('opensInNewTab', () => { const windowTarget = '_blank'; let clickTabParams; let tabUrl; beforeEach(() => { loadHTMLFixture('merge_requests/merge_request_with_task_list.html'); tabUrl = $('.commits-tab a').attr('href'); clickTabParams = { metaKey: false, ctrlKey: false, which: 1, stopImmediatePropagation() {}, preventDefault() {}, currentTarget: { getAttribute(attr) { return attr === 'href' ? tabUrl : null; }, }, }; }); afterEach(() => { resetHTMLFixture(); }); describe('meta click', () => { let metakeyEvent; beforeEach(() => { metakeyEvent = $.Event('click', { keyCode: 91, ctrlKey: true }); }); it('opens page when commits link is clicked', () => { jest.spyOn(window, 'open').mockImplementation((url, name) => { expect(url).toEqual(tabUrl); expect(name).toEqual(windowTarget); }); testContext.class.bindEvents(); $('.merge-request-tabs .commits-tab a').trigger(metakeyEvent); expect(window.open).toHaveBeenCalled(); }); it('opens page when commits badge is clicked', () => { jest.spyOn(window, 'open').mockImplementation((url, name) => { expect(url).toEqual(tabUrl); expect(name).toEqual(windowTarget); }); testContext.class.bindEvents(); $('.merge-request-tabs .commits-tab a .badge').trigger(metakeyEvent); expect(window.open).toHaveBeenCalled(); }); }); it('opens page tab in a new browser tab with Ctrl+Click - Windows/Linux', () => { jest.spyOn(window, 'open').mockImplementation((url, name) => { expect(url).toEqual(tabUrl); expect(name).toEqual(windowTarget); }); testContext.class.clickTab({ ...clickTabParams, metaKey: true }); expect(window.open).toHaveBeenCalled(); }); it('opens page tab in a new browser tab with Cmd+Click - Mac', () => { jest.spyOn(window, 'open').mockImplementation((url, name) => { expect(url).toEqual(tabUrl); expect(name).toEqual(windowTarget); }); testContext.class.clickTab({ ...clickTabParams, ctrlKey: true }); expect(window.open).toHaveBeenCalled(); }); it('opens page tab in a new browser tab with Middle-click - Mac/PC', () => { jest.spyOn(window, 'open').mockImplementation((url, name) => { expect(url).toEqual(tabUrl); expect(name).toEqual(windowTarget); }); testContext.class.clickTab({ ...clickTabParams, which: 2 }); expect(window.open).toHaveBeenCalled(); }); }); describe('setCurrentAction', () => { let mock; beforeEach(() => { mock = new MockAdapter(axios); mock.onAny().reply({ data: {} }); testContext.subject = testContext.class.setCurrentAction; }); afterEach(() => { mock.restore(); window.history.replaceState({}, '', '/'); }); it('changes from commits', () => { setLocation({ pathname: '/foo/bar/-/merge_requests/1/commits', }); expect(testContext.subject('show')).toBe('/foo/bar/-/merge_requests/1'); expect(testContext.subject('diffs')).toBe('/foo/bar/-/merge_requests/1/diffs'); }); it('changes from diffs', () => { setLocation({ pathname: '/foo/bar/-/merge_requests/1/diffs', }); expect(testContext.subject('show')).toBe('/foo/bar/-/merge_requests/1'); expect(testContext.subject('commits')).toBe('/foo/bar/-/merge_requests/1/commits'); }); it('changes from diffs.html', () => { setLocation({ pathname: '/foo/bar/-/merge_requests/1/diffs.html', }); expect(testContext.subject('show')).toBe('/foo/bar/-/merge_requests/1'); expect(testContext.subject('commits')).toBe('/foo/bar/-/merge_requests/1/commits'); }); it('changes from notes', () => { setLocation({ pathname: '/foo/bar/-/merge_requests/1', }); expect(testContext.subject('diffs')).toBe('/foo/bar/-/merge_requests/1/diffs'); expect(testContext.subject('commits')).toBe('/foo/bar/-/merge_requests/1/commits'); }); it('includes search parameters and hash string', () => { setLocation({ pathname: '/foo/bar/-/merge_requests/1/diffs', search: '?view=parallel', hash: '#L15-35', }); expect(testContext.subject('show')).toBe('/foo/bar/-/merge_requests/1?view=parallel#L15-35'); }); it('replaces the current history state', () => { setLocation({ pathname: '/foo/bar/-/merge_requests/1', }); window.history.replaceState( { url: window.location.href, action: 'show', }, document.title, window.location.href, ); const newState = testContext.subject('commits'); expect(testContext.spies.history).toHaveBeenCalledWith( { url: newState, action: 'commits', }, document.title, newState, ); }); it('treats "show" like "notes"', () => { setLocation({ pathname: '/foo/bar/-/merge_requests/1/commits', }); expect(testContext.subject('show')).toBe('/foo/bar/-/merge_requests/1'); }); }); describe('expandViewContainer', () => { beforeEach(() => { $('body').append( '
', ); }); afterEach(() => { $('.content-wrapper').remove(); }); it('removes container-limited from containers', () => { testContext.class.expandViewContainer(); expect($('.content-wrapper .container-limited')).toHaveLength(0); }); it('does not add container-limited when fluid layout is prefered', () => { $('.content-wrapper .container-fluid').removeClass('container-limited'); testContext.class.expandViewContainer(false); expect($('.content-wrapper .container-limited')).toHaveLength(0); }); it('does remove container-limited from breadcrumbs', () => { $('.container-limited').addClass('breadcrumbs'); testContext.class.expandViewContainer(); expect($('.content-wrapper .container-limited')).toHaveLength(1); }); }); describe('tabShown', () => { const mainContent = document.createElement('div'); const tabContent = document.createElement('div'); beforeEach(() => { jest.spyOn(mainContent, 'getBoundingClientRect').mockReturnValue({ top: 10 }); jest.spyOn(tabContent, 'getBoundingClientRect').mockReturnValue({ top: 100 }); jest.spyOn(window, 'scrollTo').mockImplementation(() => {}); jest.spyOn(document, 'querySelector').mockImplementation((selector) => { return selector === '.content-wrapper' ? mainContent : tabContent; }); testContext.class.currentAction = 'commits'; }); it('calls window scrollTo with options if document has scrollBehavior', () => { document.documentElement.style.scrollBehavior = ''; testContext.class.tabShown('commits', 'foobar'); expect(window.scrollTo.mock.calls[0][0]).toEqual({ top: 39, behavior: 'smooth' }); }); it('calls window scrollTo with two args if document does not have scrollBehavior', () => { jest.spyOn(document.documentElement, 'style', 'get').mockReturnValue({}); testContext.class.tabShown('commits', 'foobar'); expect(window.scrollTo.mock.calls[0]).toEqual([0, 39]); }); describe('when switching tabs', () => { const SCROLL_TOP = 100; beforeAll(() => { jest.useFakeTimers(); }); beforeEach(() => { jest.spyOn(window, 'scrollTo').mockImplementation(() => {}); testContext.class.mergeRequestTabs = document.createElement('div'); testContext.class.mergeRequestTabPanes = document.createElement('div'); testContext.class.currentTab = 'tab'; testContext.class.scrollPositions = { newTab: SCROLL_TOP }; }); afterAll(() => { jest.useRealTimers(); }); it('scrolls to the stored position, if one is stored', () => { testContext.class.tabShown('newTab'); jest.advanceTimersByTime(250); expect(window.scrollTo.mock.calls[0][0]).toEqual({ top: SCROLL_TOP, left: 0, behavior: 'auto', }); }); it('scrolls to 0, if no position is stored', () => { testContext.class.tabShown('unknownTab'); jest.advanceTimersByTime(250); expect(window.scrollTo.mock.calls[0][0]).toEqual({ top: 0, left: 0, behavior: 'auto' }); }); }); }); });