/* eslint-disable import/no-commonjs, no-new */ import $ from 'jquery'; import MockAdapter from 'axios-mock-adapter'; import '~/behaviors/markdown/render_gfm'; import { createSpyObj } from 'helpers/jest_helpers'; import { setTestTimeoutOnce } from 'helpers/timeout'; import { TEST_HOST } from 'helpers/test_constants'; import * as urlUtility from '~/lib/utils/url_utility'; import axios from '~/lib/utils/axios_utils'; // These must be imported synchronously because they pull dependencies // from the DOM. window.jQuery = $; require('autosize'); require('~/commons'); require('~/notes'); const { Notes } = window; const FLASH_TYPE_ALERT = 'alert'; const NOTES_POST_PATH = /(.*)\/notes\?html=true$/; const fixture = 'snippets/show.html'; let mockAxios; window.project_uploads_path = `${TEST_HOST}/uploads`; window.gon = window.gon || {}; window.gl = window.gl || {}; gl.utils = gl.utils || {}; gl.utils.disableButtonIfEmptyField = () => {}; // the following test is unreliable and failing in master 2-3 times a day // see https://gitlab.com/gitlab-org/gitlab/issues/206906#note_290602581 // eslint-disable-next-line jest/no-disabled-tests describe.skip('Old Notes (~/notes.js)', () => { beforeEach(() => { loadFixtures(fixture); // Re-declare this here so that test_setup.js#beforeEach() doesn't // overwrite it. mockAxios = new MockAdapter(axios); $.ajax = () => { throw new Error('$.ajax should not be called through!'); }; // These jQuery+DOM tests are super flaky so increase the timeout to avoid // random failures. // It seems that running tests in parallel increases failure rate. jest.setTimeout(4000); setTestTimeoutOnce(4000); }); afterEach(() => { // The Notes component sets a polling interval. Clear it after every run. // Make sure to use jest.runOnlyPendingTimers() instead of runAllTimers(). jest.clearAllTimers(); return axios.waitForAll().finally(() => mockAxios.restore()); }); it('loads the Notes class into the DOM', () => { expect(Notes).toBeDefined(); expect(Notes.name).toBe('Notes'); }); describe('addBinding', () => { it('calls postComment when comment button is clicked', () => { jest.spyOn(Notes.prototype, 'postComment'); new window.Notes('', []); $('.js-comment-button').click(); expect(Notes.prototype.postComment).toHaveBeenCalled(); }); }); describe('task lists', () => { beforeEach(() => { mockAxios.onAny().reply(200, {}); new Notes('', []); }); it('modifies the Markdown field', () => { const changeEvent = document.createEvent('HTMLEvents'); changeEvent.initEvent('change', true, true); $('input[type=checkbox]') .attr('checked', true)[0] .dispatchEvent(changeEvent); expect($('.js-task-list-field.original-task-list').val()).toBe('- [x] Task List Item'); }); it('submits an ajax request on tasklist:changed', () => { jest.spyOn(axios, 'patch'); const lineNumber = 8; const lineSource = '- [ ] item 8'; const index = 3; const checked = true; $('.js-task-list-container').trigger({ type: 'tasklist:changed', detail: { lineNumber, lineSource, index, checked }, }); expect(axios.patch).toHaveBeenCalledWith(undefined, { note: { note: '', lock_version: undefined, update_task: { index, checked, line_number: lineNumber, line_source: lineSource }, }, }); }); }); describe('comments', () => { let notes; let autosizeSpy; let textarea; beforeEach(() => { notes = new Notes('', []); textarea = $('.js-note-text'); textarea.data('autosave', { reset: () => {}, }); autosizeSpy = jest.fn(); $(textarea).on('autosize:update', autosizeSpy); jest.spyOn(notes, 'renderNote'); $('.js-comment-button').on('click', e => { const $form = $(this); e.preventDefault(); notes.addNote($form, {}); notes.reenableTargetFormSubmitButton(e); notes.resetMainTargetForm(e); }); }); it('autosizes after comment submission', () => { textarea.text('This is an example comment note'); expect(autosizeSpy).not.toHaveBeenCalled(); $('.js-comment-button').click(); expect(autosizeSpy).toHaveBeenCalled(); }); it('should not place escaped text in the comment box in case of error', () => { const deferred = $.Deferred(); jest.spyOn($, 'ajax').mockReturnValueOnce(deferred); $(textarea).text('A comment with `markup`.'); deferred.reject(); $('.js-comment-button').click(); expect($(textarea).val()).toBe('A comment with `markup`.'); $.ajax.mockRestore(); expect($.ajax.mock).toBeUndefined(); }); }); describe('updateNote', () => { let notes; let noteEntity; let $notesContainer; beforeEach(() => { notes = new Notes('', []); window.gon.current_username = 'root'; window.gon.current_user_fullname = 'Administrator'; const sampleComment = 'foo'; noteEntity = { id: 1234, html: `
  • ${sampleComment}
  • `, note: sampleComment, valid: true, }; $notesContainer = $('ul.main-notes-list'); const $form = $('form.js-main-target-form'); $form.find('textarea.js-note-text').val(sampleComment); mockAxios.onPost(NOTES_POST_PATH).reply(200, noteEntity); }); it('updates note and resets edit form', () => { jest.spyOn(notes, 'revertNoteEditForm'); jest.spyOn(notes, 'setupNewNote'); $('.js-comment-button').click(); const $targetNote = $notesContainer.find(`#note_${noteEntity.id}`); const updatedNote = { ...noteEntity }; updatedNote.note = 'bar'; notes.updateNote(updatedNote, $targetNote); expect(notes.revertNoteEditForm).toHaveBeenCalledWith($targetNote); expect(notes.setupNewNote).toHaveBeenCalled(); }); }); describe('updateNoteTargetSelector', () => { const hash = 'note_foo'; let $note; beforeEach(() => { $note = $(`
    `); jest.spyOn($note, 'filter'); jest.spyOn($note, 'toggleClass'); }); // urlUtility is a dependency of the notes module. Its getLocatinHash() method should be called internally. it('sets target when hash matches', () => { jest.spyOn(urlUtility, 'getLocationHash').mockReturnValueOnce(hash); Notes.updateNoteTargetSelector($note); expect(urlUtility.getLocationHash).toHaveBeenCalled(); expect($note.filter).toHaveBeenCalledWith(`#${hash}`); expect($note.toggleClass).toHaveBeenCalledWith('target', true); }); it('unsets target when hash does not match', () => { jest.spyOn(urlUtility, 'getLocationHash').mockReturnValueOnce('note_doesnotexist'); Notes.updateNoteTargetSelector($note); expect(urlUtility.getLocationHash).toHaveBeenCalled(); expect($note.toggleClass).toHaveBeenCalledWith('target', false); }); it('unsets target when there is not a hash fragment anymore', () => { jest.spyOn(urlUtility, 'getLocationHash').mockReturnValueOnce(null); Notes.updateNoteTargetSelector($note); expect(urlUtility.getLocationHash).toHaveBeenCalled(); expect($note.toggleClass).toHaveBeenCalledWith('target', false); }); }); describe('renderNote', () => { let notes; let note; let $notesList; beforeEach(() => { note = { id: 1, valid: true, note: 'heya', html: '
    heya
    ', }; $notesList = createSpyObj('$notesList', ['find', 'append']); notes = createSpyObj('notes', [ 'setupNewNote', 'refresh', 'collapseLongCommitList', 'updateNotesCount', 'putConflictEditWarningInPlace', ]); notes.taskList = createSpyObj('tasklist', ['init']); notes.note_ids = []; notes.updatedNotesTrackingMap = {}; jest.spyOn(Notes, 'isNewNote'); jest.spyOn(Notes, 'isUpdatedNote'); jest.spyOn(Notes, 'animateAppendNote'); jest.spyOn(Notes, 'animateUpdateNote'); }); describe('when adding note', () => { it('should call .animateAppendNote', () => { Notes.isNewNote.mockReturnValueOnce(true); Notes.prototype.renderNote.call(notes, note, null, $notesList); expect(Notes.animateAppendNote).toHaveBeenCalledWith(note.html, $notesList); }); }); describe('when note was edited', () => { it('should call .animateUpdateNote', () => { Notes.isNewNote.mockReturnValueOnce(false); Notes.isUpdatedNote.mockReturnValueOnce(true); const $note = $('
    '); $notesList.find.mockReturnValueOnce($note); const $newNote = $(note.html); Notes.animateUpdateNote.mockReturnValueOnce($newNote); Notes.prototype.renderNote.call(notes, note, null, $notesList); expect(Notes.animateUpdateNote).toHaveBeenCalledWith(note.html, $note); expect(notes.setupNewNote).toHaveBeenCalledWith($newNote); }); describe('while editing', () => { it('should update textarea if nothing has been touched', () => { Notes.isNewNote.mockReturnValueOnce(false); Notes.isUpdatedNote.mockReturnValueOnce(true); const $note = $(`
    initial
    `); $notesList.find.mockReturnValueOnce($note); Notes.prototype.renderNote.call(notes, note, null, $notesList); expect($note.find('.js-note-text').val()).toEqual(note.note); }); it('should call .putConflictEditWarningInPlace', () => { Notes.isNewNote.mockReturnValueOnce(false); Notes.isUpdatedNote.mockReturnValueOnce(true); const $note = $(`
    initial
    `); $notesList.find.mockReturnValueOnce($note); Notes.prototype.renderNote.call(notes, note, null, $notesList); expect(notes.putConflictEditWarningInPlace).toHaveBeenCalledWith(note, $note); }); }); }); }); describe('isUpdatedNote', () => { it('should consider same note text as the same', () => { const result = Notes.isUpdatedNote( { note: 'initial', }, $(`
    initial
    `), ); expect(result).toEqual(false); }); it('should consider same note with trailing newline as the same', () => { const result = Notes.isUpdatedNote( { note: 'initial\n', }, $(`
    initial\n
    `), ); expect(result).toEqual(false); }); it('should consider different notes as different', () => { const result = Notes.isUpdatedNote( { note: 'foo', }, $(`
    bar
    `), ); expect(result).toEqual(true); }); }); describe('renderDiscussionNote', () => { let discussionContainer; let note; let notes; let $form; let row; beforeEach(() => { note = { html: '
  • ', discussion_html: '
    ', discussion_id: 1, discussion_resolvable: false, diff_discussion_html: false, }; $form = createSpyObj('$form', ['closest', 'find']); $form.length = 1; row = createSpyObj('row', ['prevAll', 'first', 'find']); notes = createSpyObj('notes', ['isParallelView', 'updateNotesCount']); notes.note_ids = []; jest.spyOn(Notes, 'isNewNote'); jest.spyOn(Notes, 'animateAppendNote').mockImplementation(); Notes.isNewNote.mockReturnValue(true); notes.isParallelView.mockReturnValue(false); row.prevAll.mockReturnValue(row); row.first.mockReturnValue(row); row.find.mockReturnValue(row); }); describe('Discussion root note', () => { let body; beforeEach(() => { body = createSpyObj('body', ['attr']); discussionContainer = { length: 0 }; $form.closest.mockReturnValueOnce(row).mockReturnValue($form); $form.find.mockReturnValue(discussionContainer); body.attr.mockReturnValue(''); }); it('should call Notes.animateAppendNote', () => { Notes.prototype.renderDiscussionNote.call(notes, note, $form); expect(Notes.animateAppendNote).toHaveBeenCalledWith( note.discussion_html, $('.main-notes-list'), ); }); it('should append to row selected with line_code', () => { $form.length = 0; note.discussion_line_code = 'line_code'; note.diff_discussion_html = ''; const line = document.createElement('div'); line.id = note.discussion_line_code; document.body.appendChild(line); // Override mocks for this single test $form.closest.mockReset(); $form.closest.mockReturnValue($form); Notes.prototype.renderDiscussionNote.call(notes, note, $form); expect(line.nextSibling.outerHTML).toEqual(note.diff_discussion_html); }); }); describe('Discussion sub note', () => { beforeEach(() => { discussionContainer = { length: 1 }; $form.closest.mockReturnValueOnce(row).mockReturnValueOnce($form); $form.find.mockReturnValue(discussionContainer); Notes.prototype.renderDiscussionNote.call(notes, note, $form); }); it('should call Notes.animateAppendNote', () => { expect(Notes.animateAppendNote).toHaveBeenCalledWith(note.html, discussionContainer); }); }); }); describe('animateAppendNote', () => { let noteHTML; let $notesList; let $resultantNote; beforeEach(() => { noteHTML = '
    '; $notesList = createSpyObj('$notesList', ['append']); $resultantNote = Notes.animateAppendNote(noteHTML, $notesList); }); it('should have `fade-in-full` class', () => { expect($resultantNote.hasClass('fade-in-full')).toEqual(true); }); it('should append note to the notes list', () => { expect($notesList.append).toHaveBeenCalledWith($resultantNote); }); }); describe('animateUpdateNote', () => { let noteHTML; let $note; let $updatedNote; beforeEach(() => { noteHTML = '
    '; $note = createSpyObj('$note', ['replaceWith']); $updatedNote = Notes.animateUpdateNote(noteHTML, $note); }); it('should have `fade-in` class', () => { expect($updatedNote.hasClass('fade-in')).toEqual(true); }); it('should call replaceWith on $note', () => { expect($note.replaceWith).toHaveBeenCalledWith($updatedNote); }); }); describe('putEditFormInPlace', () => { it('should call GLForm with GFM parameter passed through', () => { const notes = new Notes('', []); const $el = $(`
    `); notes.putEditFormInPlace($el); expect(notes.glForm.enableGFM).toBeTruthy(); }); }); describe('postComment & updateComment', () => { const sampleComment = 'foo'; const note = { id: 1234, html: `
  • ${sampleComment}
  • `, note: sampleComment, valid: true, }; let notes; let $form; let $notesContainer; function mockNotesPost() { mockAxios.onPost(NOTES_POST_PATH).reply(200, note); } function mockNotesPostError() { mockAxios.onPost(NOTES_POST_PATH).networkError(); } beforeEach(() => { notes = new Notes('', []); window.gon.current_username = 'root'; window.gon.current_user_fullname = 'Administrator'; $form = $('form.js-main-target-form'); $notesContainer = $('ul.main-notes-list'); $form.find('textarea.js-note-text').val(sampleComment); }); it('should show placeholder note while new comment is being posted', () => { mockNotesPost(); $('.js-comment-button').click(); expect($notesContainer.find('.note.being-posted').length).toBeGreaterThan(0); }); it('should remove placeholder note when new comment is done posting', done => { mockNotesPost(); $('.js-comment-button').click(); setImmediate(() => { expect($notesContainer.find('.note.being-posted').length).toEqual(0); done(); }); }); describe('postComment', () => { it('disables the submit button', done => { const $submitButton = $form.find('.js-comment-submit-button'); expect($submitButton).not.toBeDisabled(); const dummyEvent = { preventDefault() {}, target: $submitButton, }; mockAxios.onPost(NOTES_POST_PATH).replyOnce(() => { expect($submitButton).toBeDisabled(); return [200, note]; }); notes .postComment(dummyEvent) .then(() => { expect($submitButton).not.toBeDisabled(); }) .then(done) .catch(done.fail); }); }); it('should show actual note element when new comment is done posting', done => { mockNotesPost(); $('.js-comment-button').click(); setImmediate(() => { expect($notesContainer.find(`#note_${note.id}`).length).toBeGreaterThan(0); done(); }); }); it('should reset Form when new comment is done posting', done => { mockNotesPost(); $('.js-comment-button').click(); setImmediate(() => { expect($form.find('textarea.js-note-text').val()).toEqual(''); done(); }); }); it('should show flash error message when new comment failed to be posted', done => { mockNotesPostError(); jest.spyOn(notes, 'addFlash'); $('.js-comment-button').click(); setImmediate(() => { expect(notes.addFlash).toHaveBeenCalled(); // JSDom doesn't support the :visible selector yet expect(notes.flashContainer.style.display).not.toBe('none'); done(); }); }); }); describe('postComment with Slash commands', () => { const sampleComment = '/assign @root\n/award :100:'; const note = { commands_changes: { assignee_id: 1, emoji_award: '100', }, errors: { commands_only: ['Commands applied'], }, valid: false, }; let $form; let $notesContainer; beforeEach(() => { mockAxios.onPost(NOTES_POST_PATH).reply(200, note); new Notes('', []); window.gon.current_username = 'root'; window.gon.current_user_fullname = 'Administrator'; gl.awardsHandler = { addAwardToEmojiBar: () => {}, scrollToAwards: () => {}, }; gl.GfmAutoComplete = { dataSources: { commands: '/root/test-project/autocomplete_sources/commands', }, }; $form = $('form.js-main-target-form'); $notesContainer = $('ul.main-notes-list'); $form.find('textarea.js-note-text').val(sampleComment); }); it('should remove slash command placeholder when comment with slash commands is done posting', done => { jest.spyOn(gl.awardsHandler, 'addAwardToEmojiBar'); $('.js-comment-button').click(); expect($notesContainer.find('.system-note.being-posted').length).toEqual(1); // Placeholder shown setImmediate(() => { expect($notesContainer.find('.system-note.being-posted').length).toEqual(0); // Placeholder removed done(); }); }); }); describe('update comment with script tags', () => { const sampleComment = ''; const updatedComment = ''; const note = { id: 1234, html: `
  • ${sampleComment}
  • `, note: sampleComment, valid: true, }; let $form; let $notesContainer; beforeEach(() => { mockAxios.onPost(NOTES_POST_PATH).reply(200, note); new Notes('', []); window.gon.current_username = 'root'; window.gon.current_user_fullname = 'Administrator'; $form = $('form.js-main-target-form'); $notesContainer = $('ul.main-notes-list'); $form.find('textarea.js-note-text').html(sampleComment); }); it('should not render a script tag', done => { $('.js-comment-button').click(); setImmediate(() => { const $noteEl = $notesContainer.find(`#note_${note.id}`); $noteEl.find('.js-note-edit').click(); $noteEl.find('textarea.js-note-text').html(updatedComment); $noteEl.find('.js-comment-save-button').click(); const $updatedNoteEl = $notesContainer .find(`#note_${note.id}`) .find('.js-task-list-container'); expect( $updatedNoteEl .find('.note-text') .text() .trim(), ).toEqual(''); done(); }); }); }); describe('getFormData', () => { let $form; let sampleComment; let notes; beforeEach(() => { notes = new Notes('', []); $form = $('form'); sampleComment = 'foobar'; }); it('should return form metadata object from form reference', () => { $form.find('textarea.js-note-text').val(sampleComment); const { formData, formContent, formAction } = notes.getFormData($form); expect(formData.indexOf(sampleComment)).toBeGreaterThan(-1); expect(formContent).toEqual(sampleComment); expect(formAction).toEqual($form.attr('action')); }); it('should return form metadata with sanitized formContent from form reference', () => { sampleComment = ''; $form.find('textarea.js-note-text').val(sampleComment); const { formContent } = notes.getFormData($form); expect(formContent).toEqual('<script>alert("Boom!");</script>'); }); }); describe('hasQuickActions', () => { let notes; beforeEach(() => { notes = new Notes('', []); }); it('should return true when comment begins with a quick action', () => { const sampleComment = '/wip\n/milestone %1.0\n/merge\n/unassign Merging this'; const hasQuickActions = notes.hasQuickActions(sampleComment); expect(hasQuickActions).toBeTruthy(); }); it('should return false when comment does NOT begin with a quick action', () => { const sampleComment = 'Hey, /unassign Merging this'; const hasQuickActions = notes.hasQuickActions(sampleComment); expect(hasQuickActions).toBeFalsy(); }); it('should return false when comment does NOT have any quick actions', () => { const sampleComment = 'Looking good, Awesome!'; const hasQuickActions = notes.hasQuickActions(sampleComment); expect(hasQuickActions).toBeFalsy(); }); }); describe('stripQuickActions', () => { it('should strip quick actions from the comment which begins with a quick action', () => { const notes = new Notes(); const sampleComment = '/wip\n/milestone %1.0\n/merge\n/unassign Merging this'; const stripedComment = notes.stripQuickActions(sampleComment); expect(stripedComment).toBe(''); }); it('should strip quick actions from the comment but leaves plain comment if it is present', () => { const notes = new Notes(); const sampleComment = '/wip\n/milestone %1.0\n/merge\n/unassign\nMerging this'; const stripedComment = notes.stripQuickActions(sampleComment); expect(stripedComment).toBe('Merging this'); }); it('should NOT strip string that has slashes within', () => { const notes = new Notes(); const sampleComment = 'http://127.0.0.1:3000/root/gitlab-shell/issues/1'; const stripedComment = notes.stripQuickActions(sampleComment); expect(stripedComment).toBe(sampleComment); }); }); describe('getQuickActionDescription', () => { const availableQuickActions = [ { name: 'close', description: 'Close this issue', params: [] }, { name: 'title', description: 'Change title', params: [{}] }, { name: 'estimate', description: 'Set time estimate', params: [{}] }, ]; let notes; beforeEach(() => { notes = new Notes(); }); it('should return executing quick action description when note has single quick action', () => { const sampleComment = '/close'; expect(notes.getQuickActionDescription(sampleComment, availableQuickActions)).toBe( 'Applying command to close this issue', ); }); it('should return generic multiple quick action description when note has multiple quick actions', () => { const sampleComment = '/close\n/title [Duplicate] Issue foobar'; expect(notes.getQuickActionDescription(sampleComment, availableQuickActions)).toBe( 'Applying multiple commands', ); }); it('should return generic quick action description when available quick actions list is not populated', () => { const sampleComment = '/close\n/title [Duplicate] Issue foobar'; expect(notes.getQuickActionDescription(sampleComment)).toBe('Applying command'); }); }); describe('createPlaceholderNote', () => { const sampleComment = 'foobar'; const uniqueId = 'b1234-a4567'; const currentUsername = 'root'; const currentUserFullname = 'Administrator'; const currentUserAvatar = 'avatar_url'; let notes; beforeEach(() => { notes = new Notes('', []); }); it('should return constructed placeholder element for regular note based on form contents', () => { const $tempNote = notes.createPlaceholderNote({ formContent: sampleComment, uniqueId, isDiscussionNote: false, currentUsername, currentUserFullname, currentUserAvatar, }); const $tempNoteHeader = $tempNote.find('.note-header'); expect($tempNote.prop('nodeName')).toEqual('LI'); expect($tempNote.attr('id')).toEqual(uniqueId); expect($tempNote.hasClass('being-posted')).toBeTruthy(); expect($tempNote.hasClass('fade-in-half')).toBeTruthy(); $tempNote.find('.timeline-icon > a, .note-header-info > a').each((i, el) => { expect(el.getAttribute('href')).toEqual(`/${currentUsername}`); }); expect($tempNote.find('.timeline-icon .avatar').attr('src')).toEqual(currentUserAvatar); expect($tempNote.find('.timeline-content').hasClass('discussion')).toBeFalsy(); expect( $tempNoteHeader .find('.d-none.d-sm-inline-block') .text() .trim(), ).toEqual(currentUserFullname); expect( $tempNoteHeader .find('.note-headline-light') .text() .trim(), ).toEqual(`@${currentUsername}`); expect( $tempNote .find('.note-body .note-text p') .text() .trim(), ).toEqual(sampleComment); }); it('should return constructed placeholder element for discussion note based on form contents', () => { const $tempNote = notes.createPlaceholderNote({ formContent: sampleComment, uniqueId, isDiscussionNote: true, currentUsername, currentUserFullname, }); expect($tempNote.prop('nodeName')).toEqual('LI'); expect($tempNote.find('.timeline-content').hasClass('discussion')).toBeTruthy(); }); it('should return a escaped user name', () => { const currentUserFullnameXSS = 'Foo '; const $tempNote = notes.createPlaceholderNote({ formContent: sampleComment, uniqueId, isDiscussionNote: false, currentUsername, currentUserFullname: currentUserFullnameXSS, currentUserAvatar, }); const $tempNoteHeader = $tempNote.find('.note-header'); expect( $tempNoteHeader .find('.d-none.d-sm-inline-block') .text() .trim(), ).toEqual('Foo <script>alert("XSS")</script>'); }); }); describe('createPlaceholderSystemNote', () => { const sampleCommandDescription = 'Applying command to close this issue'; const uniqueId = 'b1234-a4567'; let notes; beforeEach(() => { notes = new Notes('', []); }); it('should return constructed placeholder element for system note based on form contents', () => { const $tempNote = notes.createPlaceholderSystemNote({ formContent: sampleCommandDescription, uniqueId, }); expect($tempNote.prop('nodeName')).toEqual('LI'); expect($tempNote.attr('id')).toEqual(uniqueId); expect($tempNote.hasClass('being-posted')).toBeTruthy(); expect($tempNote.hasClass('fade-in-half')).toBeTruthy(); expect( $tempNote .find('.timeline-content i') .text() .trim(), ).toEqual(sampleCommandDescription); }); }); describe('appendFlash', () => { it('shows a flash message', () => { const notes = new Notes('', []); notes.addFlash('Error message', FLASH_TYPE_ALERT, notes.parentTimeline.get(0)); const flash = $('.flash-alert')[0]; expect(document.contains(flash)).toBe(true); expect(flash.parentNode.style.display).toBe('block'); }); }); describe('clearFlash', () => { beforeEach(() => { $(document).off('ajax:success'); }); it('hides visible flash message', () => { const notes = new Notes('', []); notes.addFlash('Error message 1', FLASH_TYPE_ALERT, notes.parentTimeline.get(0)); const flash = $('.flash-alert')[0]; notes.clearFlash(); expect(flash.parentNode.style.display).toBe('none'); expect(notes.flashContainer).toBeNull(); }); }); });