352 lines
15 KiB
JavaScript
352 lines
15 KiB
JavaScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const utils = require('./utils');
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module.exports.addTests = function({testRunner, expect}) {
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const {describe, xdescribe, fdescribe} = testRunner;
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const {it, fit, xit} = testRunner;
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const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
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describe('ElementHandle.boundingBox', function() {
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it('should work', async({page, server}) => {
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await page.setViewport({width: 500, height: 500});
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await page.goto(server.PREFIX + '/grid.html');
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const elementHandle = await page.$('.box:nth-of-type(13)');
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const box = await elementHandle.boundingBox();
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expect(box).toEqual({ x: 100, y: 50, width: 50, height: 50 });
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});
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it('should handle nested frames', async({page, server}) => {
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await page.setViewport({width: 500, height: 500});
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await page.goto(server.PREFIX + '/frames/nested-frames.html');
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const nestedFrame = page.frames()[1].childFrames()[1];
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const elementHandle = await nestedFrame.$('div');
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const box = await elementHandle.boundingBox();
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expect(box).toEqual({ x: 28, y: 260, width: 264, height: 18 });
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});
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it('should return null for invisible elements', async({page, server}) => {
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await page.setContent('<div style="display:none">hi</div>');
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const element = await page.$('div');
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expect(await element.boundingBox()).toBe(null);
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});
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it('should force a layout', async({page, server}) => {
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await page.setViewport({ width: 500, height: 500 });
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await page.setContent('<div style="width: 100px; height: 100px">hello</div>');
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const elementHandle = await page.$('div');
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await page.evaluate(element => element.style.height = '200px', elementHandle);
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const box = await elementHandle.boundingBox();
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expect(box).toEqual({ x: 8, y: 8, width: 100, height: 200 });
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});
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});
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describe('ElementHandle.boxModel', function() {
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it('should work', async({page, server}) => {
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await page.goto(server.PREFIX + '/resetcss.html');
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// Step 1: Add Frame and position it absolutely.
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await utils.attachFrame(page, 'frame1', server.PREFIX + '/resetcss.html');
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await page.evaluate(() => {
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const frame = document.querySelector('#frame1');
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frame.style = `
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position: absolute;
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left: 1px;
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top: 2px;
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`;
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});
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// Step 2: Add div and position it absolutely inside frame.
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const frame = page.frames()[1];
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const divHandle = (await frame.evaluateHandle(() => {
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const div = document.createElement('div');
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document.body.appendChild(div);
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div.style = `
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box-sizing: border-box;
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position: absolute;
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border-left: 1px solid black;
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padding-left: 2px;
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margin-left: 3px;
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left: 4px;
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top: 5px;
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width: 6px;
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height: 7px;
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`;
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return div;
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})).asElement();
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// Step 3: query div's boxModel and assert box values.
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const box = await divHandle.boxModel();
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expect(box.width).toBe(6);
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expect(box.height).toBe(7);
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expect(box.margin[0]).toEqual({
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x: 1 + 4, // frame.left + div.left
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y: 2 + 5,
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});
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expect(box.border[0]).toEqual({
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x: 1 + 4 + 3, // frame.left + div.left + div.margin-left
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y: 2 + 5,
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});
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expect(box.padding[0]).toEqual({
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x: 1 + 4 + 3 + 1, // frame.left + div.left + div.marginLeft + div.borderLeft
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y: 2 + 5,
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});
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expect(box.content[0]).toEqual({
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x: 1 + 4 + 3 + 1 + 2, // frame.left + div.left + div.marginLeft + div.borderLeft + dif.paddingLeft
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y: 2 + 5,
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});
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});
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it('should return null for invisible elements', async({page, server}) => {
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await page.setContent('<div style="display:none">hi</div>');
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const element = await page.$('div');
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expect(await element.boxModel()).toBe(null);
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});
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});
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describe('ElementHandle.contentFrame', function() {
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it('should work', async({page,server}) => {
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await page.goto(server.EMPTY_PAGE);
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await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
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const elementHandle = await page.$('#frame1');
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const frame = await elementHandle.contentFrame();
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expect(frame).toBe(page.frames()[1]);
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});
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});
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describe('ElementHandle.click', function() {
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it('should work', async({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
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const button = await page.$('button');
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await button.click();
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expect(await page.evaluate(() => result)).toBe('Clicked');
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});
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it('should work for Shadow DOM v1', async({page, server}) => {
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await page.goto(server.PREFIX + '/shadow.html');
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const buttonHandle = await page.evaluateHandle(() => button);
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await buttonHandle.click();
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expect(await page.evaluate(() => clicked)).toBe(true);
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});
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it('should work for TextNodes', async({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
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const buttonTextNode = await page.evaluateHandle(() => document.querySelector('button').firstChild);
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let error = null;
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await buttonTextNode.click().catch(err => error = err);
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expect(error.message).toBe('Node is not of type HTMLElement');
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});
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it('should throw for detached nodes', async({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
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const button = await page.$('button');
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await page.evaluate(button => button.remove(), button);
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let error = null;
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await button.click().catch(err => error = err);
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expect(error.message).toBe('Node is detached from document');
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});
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it('should throw for hidden nodes', async({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
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const button = await page.$('button');
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await page.evaluate(button => button.style.display = 'none', button);
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const error = await button.click().catch(err => err);
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expect(error.message).toBe('Node is either not visible or not an HTMLElement');
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});
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it('should throw for recursively hidden nodes', async({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
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const button = await page.$('button');
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await page.evaluate(button => button.parentElement.style.display = 'none', button);
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const error = await button.click().catch(err => err);
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expect(error.message).toBe('Node is either not visible or not an HTMLElement');
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});
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it('should throw for <br> elements', async({page, server}) => {
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await page.setContent('hello<br>goodbye');
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const br = await page.$('br');
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const error = await br.click().catch(err => err);
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expect(error.message).toBe('Node is either not visible or not an HTMLElement');
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});
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});
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describe('ElementHandle.hover', function() {
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it('should work', async({page, server}) => {
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await page.goto(server.PREFIX + '/input/scrollable.html');
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const button = await page.$('#button-6');
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await button.hover();
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expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-6');
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});
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});
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describe('ElementHandle.screenshot', function() {
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it('should work', async({page, server}) => {
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await page.setViewport({width: 500, height: 500});
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await page.goto(server.PREFIX + '/grid.html');
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await page.evaluate(() => window.scrollBy(50, 100));
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const elementHandle = await page.$('.box:nth-of-type(3)');
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const screenshot = await elementHandle.screenshot();
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expect(screenshot).toBeGolden('screenshot-element-bounding-box.png');
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});
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it('should take into account padding and border', async({page, server}) => {
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await page.setViewport({width: 500, height: 500});
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await page.setContent(`
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something above
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<style>div {
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border: 2px solid blue;
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background: green;
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width: 50px;
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height: 50px;
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}
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</style>
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<div></div>
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`);
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const elementHandle = await page.$('div');
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const screenshot = await elementHandle.screenshot();
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expect(screenshot).toBeGolden('screenshot-element-padding-border.png');
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});
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it('should capture full element when larger than viewport', async({page, server}) => {
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await page.setViewport({width: 500, height: 500});
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await page.setContent(`
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something above
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<style>
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div.to-screenshot {
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border: 1px solid blue;
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width: 600px;
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height: 600px;
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margin-left: 50px;
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}
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</style>
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<div class="to-screenshot"></div>
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`);
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const elementHandle = await page.$('div.to-screenshot');
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const screenshot = await elementHandle.screenshot();
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expect(screenshot).toBeGolden('screenshot-element-larger-than-viewport.png');
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expect(await page.evaluate(() => ({ w: window.innerWidth, h: window.innerHeight }))).toEqual({ w: 500, h: 500 });
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});
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it('should scroll element into view', async({page, server}) => {
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await page.setViewport({width: 500, height: 500});
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await page.setContent(`
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something above
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<style>div.above {
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border: 2px solid blue;
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background: red;
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height: 1500px;
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}
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div.to-screenshot {
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border: 2px solid blue;
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background: green;
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width: 50px;
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height: 50px;
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}
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</style>
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<div class="above"></div>
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<div class="to-screenshot"></div>
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`);
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const elementHandle = await page.$('div.to-screenshot');
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const screenshot = await elementHandle.screenshot();
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expect(screenshot).toBeGolden('screenshot-element-scrolled-into-view.png');
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});
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it('should work with a rotated element', async({page, server}) => {
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await page.setViewport({width: 500, height: 500});
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await page.setContent(`<div style="position:absolute;
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top: 100px;
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left: 100px;
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width: 100px;
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height: 100px;
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background: green;
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transform: rotateZ(200deg);"> </div>`);
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const elementHandle = await page.$('div');
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const screenshot = await elementHandle.screenshot();
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expect(screenshot).toBeGolden('screenshot-element-rotate.png');
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});
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it('should fail to screenshot a detached element', async({page, server}) => {
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await page.setContent('<h1>remove this</h1>');
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const elementHandle = await page.$('h1');
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await page.evaluate(element => element.remove(), elementHandle);
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const screenshotError = await elementHandle.screenshot().catch(error => error);
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expect(screenshotError.message).toBe('Node is either not visible or not an HTMLElement');
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});
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});
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describe('ElementHandle.$', function() {
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it('should query existing element', async({page, server}) => {
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await page.goto(server.PREFIX + '/playground.html');
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await page.setContent('<html><body><div class="second"><div class="inner">A</div></div></body></html>');
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const html = await page.$('html');
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const second = await html.$('.second');
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const inner = await second.$('.inner');
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const content = await page.evaluate(e => e.textContent, inner);
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expect(content).toBe('A');
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});
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it('should return null for non-existing element', async({page, server}) => {
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await page.setContent('<html><body><div class="second"><div class="inner">B</div></div></body></html>');
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const html = await page.$('html');
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const second = await html.$('.third');
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expect(second).toBe(null);
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});
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});
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describe('ElementHandle.$eval', function() {
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it('should work', async({page, server}) => {
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await page.setContent('<html><body><div class="tweet"><div class="like">100</div><div class="retweets">10</div></div></body></html>');
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const tweet = await page.$('.tweet');
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const content = await tweet.$eval('.like', node => node.innerText);
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expect(content).toBe('100');
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});
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it('should retrieve content from subtree', async({page, server}) => {
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const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"><div class="a">a-child-div</div></div>';
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await page.setContent(htmlContent);
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const elementHandle = await page.$('#myId');
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const content = await elementHandle.$eval('.a', node => node.innerText);
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expect(content).toBe('a-child-div');
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});
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});
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describe('ElementHandle.$$', function() {
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it('should query existing elements', async({page, server}) => {
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await page.setContent('<html><body><div>A</div><br/><div>B</div></body></html>');
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const html = await page.$('html');
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const elements = await html.$$('div');
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expect(elements.length).toBe(2);
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const promises = elements.map(element => page.evaluate(e => e.textContent, element));
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expect(await Promise.all(promises)).toEqual(['A', 'B']);
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});
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it('should return empty array for non-existing elements', async({page, server}) => {
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await page.setContent('<html><body><span>A</span><br/><span>B</span></body></html>');
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const html = await page.$('html');
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const elements = await html.$$('div');
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expect(elements.length).toBe(0);
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});
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});
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describe('ElementHandle.$x', function() {
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it('should query existing element', async({page, server}) => {
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await page.goto(server.PREFIX + '/playground.html');
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await page.setContent('<html><body><div class="second"><div class="inner">A</div></div></body></html>');
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const html = await page.$('html');
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const second = await html.$x(`./body/div[contains(@class, 'second')]`);
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const inner = await second[0].$x(`./div[contains(@class, 'inner')]`);
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const content = await page.evaluate(e => e.textContent, inner[0]);
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expect(content).toBe('A');
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});
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it('should return null for non-existing element', async({page, server}) => {
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await page.setContent('<html><body><div class="second"><div class="inner">B</div></div></body></html>');
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const html = await page.$('html');
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const second = await html.$x(`/div[contains(@class, 'third')]`);
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expect(second).toEqual([]);
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});
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});
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};
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