import { TEST_HOST } from 'helpers/test_constants'; import imageDiffHelper from '~/image_diff/helpers/index'; import ImageDiff from '~/image_diff/image_diff'; import * as imageUtility from '~/lib/utils/image_utility'; import * as mockData from './mock_data'; describe('ImageDiff', () => { let element; let imageDiff; beforeEach(() => { setFixtures(`
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`); element = document.getElementById('element'); }); describe('constructor', () => { beforeEach(() => { imageDiff = new ImageDiff(element, { canCreateNote: true, renderCommentBadge: true, }); }); it('should set el', () => { expect(imageDiff.el).toEqual(element); }); it('should set canCreateNote', () => { expect(imageDiff.canCreateNote).toEqual(true); }); it('should set renderCommentBadge', () => { expect(imageDiff.renderCommentBadge).toEqual(true); }); it('should set $noteContainer', () => { expect(imageDiff.$noteContainer[0]).toEqual(element.querySelector('.note-container')); }); describe('default', () => { beforeEach(() => { imageDiff = new ImageDiff(element); }); it('should set canCreateNote as false', () => { expect(imageDiff.canCreateNote).toEqual(false); }); it('should set renderCommentBadge as false', () => { expect(imageDiff.renderCommentBadge).toEqual(false); }); }); }); describe('init', () => { beforeEach(() => { jest.spyOn(ImageDiff.prototype, 'bindEvents').mockImplementation(() => {}); imageDiff = new ImageDiff(element); imageDiff.init(); }); it('should set imageFrameEl', () => { expect(imageDiff.imageFrameEl).toEqual(element.querySelector('.diff-file .js-image-frame')); }); it('should set imageEl', () => { expect(imageDiff.imageEl).toEqual(element.querySelector('.diff-file .js-image-frame img')); }); it('should call bindEvents', () => { expect(imageDiff.bindEvents).toHaveBeenCalled(); }); }); describe('bindEvents', () => { let imageEl; beforeEach(() => { jest.spyOn(imageDiffHelper, 'toggleCollapsed').mockImplementation(() => {}); jest.spyOn(imageDiffHelper, 'commentIndicatorOnClick').mockImplementation(() => {}); jest.spyOn(imageDiffHelper, 'removeCommentIndicator').mockImplementation(() => {}); jest.spyOn(ImageDiff.prototype, 'imageClicked').mockImplementation(() => {}); jest.spyOn(ImageDiff.prototype, 'addBadge').mockImplementation(() => {}); jest.spyOn(ImageDiff.prototype, 'removeBadge').mockImplementation(() => {}); jest.spyOn(ImageDiff.prototype, 'renderBadges').mockImplementation(() => {}); imageEl = element.querySelector('.diff-file .js-image-frame img'); }); describe('default', () => { beforeEach(() => { jest.spyOn(imageUtility, 'isImageLoaded').mockReturnValue(false); imageDiff = new ImageDiff(element); imageDiff.imageEl = imageEl; imageDiff.bindEvents(); }); it('should register click event delegation to js-diff-notes-toggle', () => { element.querySelector('.js-diff-notes-toggle').click(); expect(imageDiffHelper.toggleCollapsed).toHaveBeenCalled(); }); it('should register click event delegation to comment-indicator', () => { element.querySelector('.comment-indicator').click(); expect(imageDiffHelper.commentIndicatorOnClick).toHaveBeenCalled(); }); }); describe('image not loaded', () => { beforeEach(() => { jest.spyOn(imageUtility, 'isImageLoaded').mockReturnValue(false); imageDiff = new ImageDiff(element); imageDiff.imageEl = imageEl; imageDiff.bindEvents(); }); it('should registers load eventListener', () => { const loadEvent = new Event('load'); imageEl.dispatchEvent(loadEvent); expect(imageDiff.renderBadges).toHaveBeenCalled(); }); }); describe('canCreateNote', () => { beforeEach(() => { jest.spyOn(imageUtility, 'isImageLoaded').mockReturnValue(false); imageDiff = new ImageDiff(element, { canCreateNote: true, }); imageDiff.imageEl = imageEl; imageDiff.bindEvents(); }); it('should register click.imageDiff event', () => { const event = new CustomEvent('click.imageDiff'); element.dispatchEvent(event); expect(imageDiff.imageClicked).toHaveBeenCalled(); }); it('should register blur.imageDiff event', () => { const event = new CustomEvent('blur.imageDiff'); element.dispatchEvent(event); expect(imageDiffHelper.removeCommentIndicator).toHaveBeenCalled(); }); it('should register addBadge.imageDiff event', () => { const event = new CustomEvent('addBadge.imageDiff'); element.dispatchEvent(event); expect(imageDiff.addBadge).toHaveBeenCalled(); }); it('should register removeBadge.imageDiff event', () => { const event = new CustomEvent('removeBadge.imageDiff'); element.dispatchEvent(event); expect(imageDiff.removeBadge).toHaveBeenCalled(); }); }); describe('canCreateNote is false', () => { beforeEach(() => { jest.spyOn(imageUtility, 'isImageLoaded').mockReturnValue(false); imageDiff = new ImageDiff(element); imageDiff.imageEl = imageEl; imageDiff.bindEvents(); }); it('should not register click.imageDiff event', () => { const event = new CustomEvent('click.imageDiff'); element.dispatchEvent(event); expect(imageDiff.imageClicked).not.toHaveBeenCalled(); }); }); }); describe('imageClicked', () => { beforeEach(() => { jest.spyOn(imageDiffHelper, 'getTargetSelection').mockReturnValue({ actual: {}, browser: {}, }); jest.spyOn(imageDiffHelper, 'setPositionDataAttribute').mockImplementation(() => {}); jest.spyOn(imageDiffHelper, 'showCommentIndicator').mockImplementation(() => {}); imageDiff = new ImageDiff(element); imageDiff.imageClicked({ detail: { currentTarget: {}, }, }); }); it('should call getTargetSelection', () => { expect(imageDiffHelper.getTargetSelection).toHaveBeenCalled(); }); it('should call setPositionDataAttribute', () => { expect(imageDiffHelper.setPositionDataAttribute).toHaveBeenCalled(); }); it('should call showCommentIndicator', () => { expect(imageDiffHelper.showCommentIndicator).toHaveBeenCalled(); }); }); describe('renderBadges', () => { beforeEach(() => { jest.spyOn(ImageDiff.prototype, 'renderBadge').mockImplementation(() => {}); imageDiff = new ImageDiff(element); imageDiff.renderBadges(); }); it('should call renderBadge for each discussionEl', () => { const discussionEls = element.querySelectorAll('.note-container .discussion-notes .notes'); expect(imageDiff.renderBadge.mock.calls.length).toEqual(discussionEls.length); }); }); describe('renderBadge', () => { let discussionEls; beforeEach(() => { jest.spyOn(imageDiffHelper, 'addImageBadge').mockImplementation(() => {}); jest.spyOn(imageDiffHelper, 'addImageCommentBadge').mockImplementation(() => {}); jest.spyOn(imageDiffHelper, 'generateBadgeFromDiscussionDOM').mockReturnValue({ browser: {}, noteId: 'noteId', }); discussionEls = element.querySelectorAll('.note-container .discussion-notes .notes'); imageDiff = new ImageDiff(element); imageDiff.renderBadge(discussionEls[0], 0); }); it('should populate imageBadges', () => { expect(imageDiff.imageBadges.length).toEqual(1); }); describe('renderCommentBadge', () => { beforeEach(() => { imageDiff.renderCommentBadge = true; imageDiff.renderBadge(discussionEls[0], 0); }); it('should call addImageCommentBadge', () => { expect(imageDiffHelper.addImageCommentBadge).toHaveBeenCalled(); }); }); describe('renderCommentBadge is false', () => { it('should call addImageBadge', () => { expect(imageDiffHelper.addImageBadge).toHaveBeenCalled(); }); }); }); describe('addBadge', () => { beforeEach(() => { jest.spyOn(imageDiffHelper, 'addImageBadge').mockImplementation(() => {}); jest.spyOn(imageDiffHelper, 'addAvatarBadge').mockImplementation(() => {}); jest.spyOn(imageDiffHelper, 'updateDiscussionBadgeNumber').mockImplementation(() => {}); imageDiff = new ImageDiff(element); imageDiff.imageFrameEl = element.querySelector('.diff-file .js-image-frame'); imageDiff.addBadge({ detail: { x: 0, y: 1, width: 25, height: 50, noteId: 'noteId', discussionId: 'discussionId', }, }); }); it('should add imageBadge to imageBadges', () => { expect(imageDiff.imageBadges.length).toEqual(1); }); it('should call addImageBadge', () => { expect(imageDiffHelper.addImageBadge).toHaveBeenCalled(); }); it('should call addAvatarBadge', () => { expect(imageDiffHelper.addAvatarBadge).toHaveBeenCalled(); }); it('should call updateDiscussionBadgeNumber', () => { expect(imageDiffHelper.updateDiscussionBadgeNumber).toHaveBeenCalled(); }); }); describe('removeBadge', () => { beforeEach(() => { const { imageMeta } = mockData; jest.spyOn(imageDiffHelper, 'updateDiscussionBadgeNumber').mockImplementation(() => {}); jest.spyOn(imageDiffHelper, 'updateDiscussionAvatarBadgeNumber').mockImplementation(() => {}); imageDiff = new ImageDiff(element); imageDiff.imageBadges = [imageMeta, imageMeta, imageMeta]; imageDiff.imageFrameEl = element.querySelector('.diff-file .js-image-frame'); imageDiff.removeBadge({ detail: { badgeNumber: 2, }, }); }); describe('cascade badge count', () => { it('should update next imageBadgeEl value', () => { const imageBadgeEls = imageDiff.imageFrameEl.querySelectorAll('.badge'); expect(imageBadgeEls[0].textContent).toEqual('1'); expect(imageBadgeEls[1].textContent).toEqual('2'); expect(imageBadgeEls.length).toEqual(2); }); it('should call updateDiscussionBadgeNumber', () => { expect(imageDiffHelper.updateDiscussionBadgeNumber).toHaveBeenCalled(); }); it('should call updateDiscussionAvatarBadgeNumber', () => { expect(imageDiffHelper.updateDiscussionAvatarBadgeNumber).toHaveBeenCalled(); }); }); it('should remove badge from imageBadges', () => { expect(imageDiff.imageBadges.length).toEqual(2); }); it('should remove imageBadgeEl', () => { expect(imageDiff.imageFrameEl.querySelector('#badge-2')).toBeNull(); }); }); });