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import * as utilsHelper from '~/image_diff/helpers/utils_helper';
import ImageDiff from '~/image_diff/image_diff';
import ReplacedImageDiff from '~/image_diff/replaced_image_diff';
import ImageBadge from '~/image_diff/image_badge';
import * as mockData from '../mock_data';
describe('utilsHelper', () => {
const {
noteId,
discussionId,
image,
imageProperties,
imageMeta,
} = mockData;
describe('resizeCoordinatesToImageElement', () => {
let result;
beforeEach(() => {
result = utilsHelper.resizeCoordinatesToImageElement(image, imageMeta);
});
it('should return x based on widthRatio', () => {
expect(result.x).toEqual(imageMeta.x * 0.5);
});
it('should return y based on heightRatio', () => {
expect(result.y).toEqual(imageMeta.y * 0.5);
});
it('should return image width', () => {
expect(result.width).toEqual(image.width);
});
it('should return image height', () => {
expect(result.height).toEqual(image.height);
});
});
describe('generateBadgeFromDiscussionDOM', () => {
let discussionEl;
let result;
beforeEach(() => {
const imageFrameEl = document.createElement('div');
imageFrameEl.innerHTML = `
<img src="${gl.TEST_HOST}/image.png">
`;
discussionEl = document.createElement('div');
discussionEl.dataset.discussionId = discussionId;
discussionEl.innerHTML = `
<div class="note" id="${noteId}"></div>
`;
discussionEl.dataset.position = JSON.stringify(imageMeta);
result = utilsHelper.generateBadgeFromDiscussionDOM(imageFrameEl, discussionEl);
});
it('should return actual image properties', () => {
const { actual } = result;
expect(actual.x).toEqual(imageMeta.x);
expect(actual.y).toEqual(imageMeta.y);
expect(actual.width).toEqual(imageMeta.width);
expect(actual.height).toEqual(imageMeta.height);
});
it('should return browser image properties', () => {
const { browser } = result;
expect(browser.x).toBeDefined();
expect(browser.y).toBeDefined();
expect(browser.width).toBeDefined();
expect(browser.height).toBeDefined();
});
it('should return instance of ImageBadge', () => {
expect(result instanceof ImageBadge).toEqual(true);
});
it('should return noteId', () => {
expect(result.noteId).toEqual(noteId);
});
it('should return discussionId', () => {
expect(result.discussionId).toEqual(discussionId);
});
});
describe('getTargetSelection', () => {
let containerEl;
beforeEach(() => {
containerEl = {
querySelector: () => imageProperties,
};
});
function generateEvent(offsetX, offsetY) {
return {
currentTarget: containerEl,
offsetX,
offsetY,
};
}
it('should return browser properties', () => {
const event = generateEvent(25, 25);
const result = utilsHelper.getTargetSelection(event);
const { browser } = result;
expect(browser.x).toEqual(event.offsetX);
expect(browser.y).toEqual(event.offsetY);
expect(browser.width).toEqual(imageProperties.width);
expect(browser.height).toEqual(imageProperties.height);
});
it('should return resized actual image properties', () => {
const event = generateEvent(50, 50);
const result = utilsHelper.getTargetSelection(event);
const { actual } = result;
expect(actual.x).toEqual(100);
expect(actual.y).toEqual(100);
expect(actual.width).toEqual(imageProperties.naturalWidth);
expect(actual.height).toEqual(imageProperties.naturalHeight);
});
describe('normalize coordinates', () => {
it('should return x = 0 if x < 0', () => {
const event = generateEvent(-5, 50);
const result = utilsHelper.getTargetSelection(event);
expect(result.browser.x).toEqual(0);
});
it('should return x = width if x > width', () => {
const event = generateEvent(1000, 50);
const result = utilsHelper.getTargetSelection(event);
expect(result.browser.x).toEqual(imageProperties.width);
});
it('should return y = 0 if y < 0', () => {
const event = generateEvent(50, -10);
const result = utilsHelper.getTargetSelection(event);
expect(result.browser.y).toEqual(0);
});
it('should return y = height if y > height', () => {
const event = generateEvent(50, 1000);
const result = utilsHelper.getTargetSelection(event);
expect(result.browser.y).toEqual(imageProperties.height);
});
});
});
describe('initImageDiff', () => {
let glCache;
let fileEl;
beforeEach(() => {
window.gl = window.gl || (window.gl = {});
glCache = window.gl;
window.gl.ImageFile = () => {};
fileEl = document.createElement('div');
fileEl.innerHTML = `
<div class="diff-file"></div>
`;
spyOn(ImageDiff.prototype, 'init').and.callFake(() => {});
spyOn(ReplacedImageDiff.prototype, 'init').and.callFake(() => {});
});
afterEach(() => {
window.gl = glCache;
});
it('should initialize gl.ImageFile', () => {
spyOn(window.gl, 'ImageFile');
utilsHelper.initImageDiff(fileEl, false, false);
expect(gl.ImageFile).toHaveBeenCalled();
});
it('should initialize ImageDiff if js-single-image', () => {
const diffFileEl = fileEl.querySelector('.diff-file');
diffFileEl.innerHTML = `
<div class="js-single-image">
</div>
`;
const imageDiff = utilsHelper.initImageDiff(fileEl, true, false);
expect(ImageDiff.prototype.init).toHaveBeenCalled();
expect(imageDiff.canCreateNote).toEqual(true);
expect(imageDiff.renderCommentBadge).toEqual(false);
});
it('should initialize ReplacedImageDiff if js-replaced-image', () => {
const diffFileEl = fileEl.querySelector('.diff-file');
diffFileEl.innerHTML = `
<div class="js-replaced-image">
</div>
`;
const replacedImageDiff = utilsHelper.initImageDiff(fileEl, false, true);
expect(ReplacedImageDiff.prototype.init).toHaveBeenCalled();
expect(replacedImageDiff.canCreateNote).toEqual(false);
expect(replacedImageDiff.renderCommentBadge).toEqual(true);
});
});
});
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