debian-mirror-gitlab/spec/frontend/image_diff/helpers/utils_helper_spec.js
2020-10-24 23:57:45 +05:30

153 lines
4.5 KiB
JavaScript

import { TEST_HOST } from 'jest/helpers/test_constants';
import * as utilsHelper from '~/image_diff/helpers/utils_helper';
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="${TEST_HOST}/image.png">
`;
discussionEl = document.createElement('div');
discussionEl.dataset.discussionId = discussionId;
discussionEl.innerHTML = `
<div class="note" id="${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);
});
});
});
});