debian-mirror-gitlab/spec/frontend/merge_request_tabs_spec.js

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import MockAdapter from 'axios-mock-adapter';
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import $ from 'jquery';
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import { loadHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
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import initMrPage from 'helpers/init_vue_mr_page_helper';
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import { stubPerformanceWebAPI } from 'helpers/performance';
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import axios from '~/lib/utils/axios_utils';
import MergeRequestTabs from '~/merge_request_tabs';
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import Diff from '~/diff';
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import '~/lib/utils/common_utils';
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import '~/lib/utils/url_utility';
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jest.mock('~/lib/utils/webpack', () => ({
resetServiceWorkersPublicPath: jest.fn(),
}));
describe('MergeRequestTabs', () => {
const testContext = {};
const stubLocation = {};
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const setLocation = (stubs) => {
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const defaults = {
pathname: '',
search: '',
hash: '',
};
$.extend(stubLocation, defaults, stubs || {});
};
beforeEach(() => {
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stubPerformanceWebAPI();
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initMrPage();
testContext.class = new MergeRequestTabs({ stubLocation });
setLocation();
testContext.spies = {
history: jest.spyOn(window.history, 'pushState').mockImplementation(() => {}),
};
gl.mrWidget = {};
});
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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({});
});
});
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describe('opensInNewTab', () => {
const windowTarget = '_blank';
let clickTabParams;
let tabUrl;
beforeEach(() => {
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loadHTMLFixture('merge_requests/merge_request_with_task_list.html');
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tabUrl = $('.commits-tab a').attr('href');
clickTabParams = {
metaKey: false,
ctrlKey: false,
which: 1,
stopImmediatePropagation() {},
preventDefault() {},
currentTarget: {
getAttribute(attr) {
return attr === 'href' ? tabUrl : null;
},
},
};
});
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afterEach(() => {
resetHTMLFixture();
});
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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(
'<div class="content-wrapper"><div class="container-fluid container-limited"></div></div>',
);
});
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(() => {
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$.fn.renderGFM = jest.fn();
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jest.spyOn(mainContent, 'getBoundingClientRect').mockReturnValue({ top: 10 });
jest.spyOn(tabContent, 'getBoundingClientRect').mockReturnValue({ top: 100 });
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jest.spyOn(window, 'scrollTo').mockImplementation(() => {});
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jest.spyOn(document, 'querySelector').mockImplementation((selector) => {
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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]);
});
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it.each`
tab | hides | hidesText
${'show'} | ${false} | ${'shows'}
${'diffs'} | ${true} | ${'hides'}
${'commits'} | ${true} | ${'hides'}
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`('$hidesText expand button on $tab tab', ({ tab, hides }) => {
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window.gon = { features: { movedMrSidebar: true } };
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const expandButton = document.createElement('div');
expandButton.classList.add('js-expand-sidebar');
const tabsContainer = document.createElement('div');
tabsContainer.innerHTML =
'<div class="tab-content"><div id="diff-notes-app"></div><div class="commits tab-pane"></div></div>';
tabsContainer.classList.add('merge-request-tabs-container');
tabsContainer.appendChild(expandButton);
document.body.appendChild(tabsContainer);
testContext.class = new MergeRequestTabs({ stubLocation });
testContext.class.tabShown(tab, 'foobar');
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testContext.class.expandSidebar.forEach((el) => {
expect(el.classList.contains('gl-display-none!')).toBe(hides);
});
window.gon = {};
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});
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describe('when switching tabs', () => {
const SCROLL_TOP = 100;
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 };
});
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' });
});
});
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});
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describe('tabs <-> diff interactions', () => {
beforeEach(() => {
jest.spyOn(testContext.class, 'loadDiff').mockImplementation(() => {});
});
describe('switchViewType', () => {
it('marks the class as having not loaded diffs already', () => {
testContext.class.diffsLoaded = true;
testContext.class.switchViewType({});
expect(testContext.class.diffsLoaded).toBe(false);
});
it('reloads the diffs', () => {
testContext.class.switchViewType({ source: 'a new url' });
expect(testContext.class.loadDiff).toHaveBeenCalledWith({
endpoint: 'a new url',
strip: false,
});
});
});
describe('createDiff', () => {
it("creates a Diff if there isn't one", () => {
expect(testContext.class.diffsClass).toBe(null);
testContext.class.createDiff();
expect(testContext.class.diffsClass).toBeInstanceOf(Diff);
});
it("doesn't create a Diff if one already exists", () => {
testContext.class.diffsClass = 'truthy';
testContext.class.createDiff();
expect(testContext.class.diffsClass).toBe('truthy');
});
it('sets the available MR Tabs event hub to the new Diff', () => {
expect(testContext.class.diffsClass).toBe(null);
testContext.class.createDiff();
expect(testContext.class.diffsClass.mrHub).toBe(testContext.class.eventHub);
});
});
describe('setHubToDiff', () => {
it('sets the MR Tabs event hub to the child Diff', () => {
testContext.class.diffsClass = {};
testContext.class.setHubToDiff();
expect(testContext.class.diffsClass.mrHub).toBe(testContext.class.eventHub);
});
it('does not fatal if theres no child Diff', () => {
testContext.class.diffsClass = null;
expect(() => {
testContext.class.setHubToDiff();
}).not.toThrow();
});
});
});
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});