mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
620 lines
22 KiB
TypeScript
620 lines
22 KiB
TypeScript
/**
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* Copyright 2020 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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import expect from 'expect';
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import {
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getTestState,
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setupTestBrowserHooks,
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setupTestPageAndContextHooks,
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describeChromeOnly,
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} from './mocha-utils'; // eslint-disable-line import/extensions
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import { ElementHandle } from '../lib/cjs/puppeteer/common/JSHandle.js';
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import utils from './utils.js';
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describeChromeOnly('AriaQueryHandler', () => {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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describe('parseAriaSelector', () => {
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beforeEach(async () => {
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const { page } = getTestState();
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await page.setContent(
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'<button id="btn" role="button"> Submit button and some spaces </button>'
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);
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});
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it('should find button', async () => {
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const { page } = getTestState();
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const expectFound = async (button: ElementHandle) => {
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const id = await button.evaluate((button: Element) => button.id);
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expect(id).toBe('btn');
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};
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let button = await page.$(
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'aria/Submit button and some spaces[role="button"]'
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);
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await expectFound(button);
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button = await page.$(
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"aria/Submit button and some spaces[role='button']"
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);
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await expectFound(button);
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button = await page.$(
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'aria/ Submit button and some spaces[role="button"]'
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);
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await expectFound(button);
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button = await page.$(
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'aria/Submit button and some spaces [role="button"]'
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);
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await expectFound(button);
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button = await page.$(
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'aria/Submit button and some spaces [ role = "button" ] '
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);
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await expectFound(button);
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button = await page.$(
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'aria/[role="button"]Submit button and some spaces'
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);
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await expectFound(button);
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button = await page.$(
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'aria/Submit button [role="button"]and some spaces'
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);
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await expectFound(button);
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button = await page.$(
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'aria/[name=" Submit button and some spaces"][role="button"]'
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);
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await expectFound(button);
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button = await page.$(
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"aria/[name=' Submit button and some spaces'][role='button']"
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);
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await expectFound(button);
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button = await page.$(
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'aria/ignored[name="Submit button and some spaces"][role="button"]'
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);
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await expectFound(button);
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await expect(page.$('aria/smth[smth="true"]')).rejects.toThrow(
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'Unknown aria attribute "smth" in selector'
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);
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});
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});
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describe('queryOne', () => {
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it('should find button by role', async () => {
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const { page } = getTestState();
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await page.setContent(
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'<div id="div"><button id="btn" role="button">Submit</button></div>'
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);
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const button = await page.$('aria/[role="button"]');
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const id = await button.evaluate((button: Element) => button.id);
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expect(id).toBe('btn');
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});
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it('should find button by name and role', async () => {
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const { page } = getTestState();
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await page.setContent(
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'<div id="div"><button id="btn" role="button">Submit</button></div>'
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);
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const button = await page.$('aria/Submit[role="button"]');
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const id = await button.evaluate((button: Element) => button.id);
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expect(id).toBe('btn');
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});
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it('should find first matching element', async () => {
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const { page } = getTestState();
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await page.setContent(
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`
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<div role="menu" id="mnu1" aria-label="menu div"></div>
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<div role="menu" id="mnu2" aria-label="menu div"></div>
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`
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);
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const div = await page.$('aria/menu div');
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const id = await div.evaluate((div: Element) => div.id);
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expect(id).toBe('mnu1');
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});
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it('should find by name', async () => {
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const { page } = getTestState();
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await page.setContent(
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`
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<div role="menu" id="mnu1" aria-label="menu-label1">menu div</div>
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<div role="menu" id="mnu2" aria-label="menu-label2">menu div</div>
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`
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);
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const menu = await page.$('aria/menu-label1');
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const id = await menu.evaluate((div: Element) => div.id);
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expect(id).toBe('mnu1');
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});
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it('should find by name', async () => {
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const { page } = getTestState();
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await page.setContent(
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`
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<div role="menu" id="mnu1" aria-label="menu-label1">menu div</div>
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<div role="menu" id="mnu2" aria-label="menu-label2">menu div</div>
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`
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);
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const menu = await page.$('aria/menu-label2');
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const id = await menu.evaluate((div: Element) => div.id);
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expect(id).toBe('mnu2');
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});
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});
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describe('queryAll', () => {
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it('should find menu by name', async () => {
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const { page } = getTestState();
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await page.setContent(
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`
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<div role="menu" id="mnu1" aria-label="menu div"></div>
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<div role="menu" id="mnu2" aria-label="menu div"></div>
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`
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);
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const divs = await page.$$('aria/menu div');
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const ids = await Promise.all(
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divs.map((n) => n.evaluate((div: Element) => div.id))
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);
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expect(ids.join(', ')).toBe('mnu1, mnu2');
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});
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});
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describe('queryAllArray', () => {
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it('$$eval should handle many elements', async () => {
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const { page } = getTestState();
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await page.setContent('');
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await page.evaluate(
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`
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for (var i = 0; i <= 10000; i++) {
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const button = document.createElement('button');
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button.textContent = i;
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document.body.appendChild(button);
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}
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`
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);
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const sum = await page.$$eval('aria/[role="button"]', (buttons) =>
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buttons.reduce((acc, button) => acc + Number(button.textContent), 0)
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);
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expect(sum).toBe(50005000);
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});
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});
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describe('waitForSelector (aria)', function () {
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const addElement = (tag) =>
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document.body.appendChild(document.createElement(tag));
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it('should immediately resolve promise if node exists', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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await page.evaluate(addElement, 'button');
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await page.waitForSelector('aria/[role="button"]');
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});
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it('should work for ElementHandler.waitForSelector', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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await page.evaluate(
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() => (document.body.innerHTML = `<div><button>test</button></div>`)
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);
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const element = await page.$('div');
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await element.waitForSelector('aria/test');
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});
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it('should persist query handler bindings across reloads', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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await page.evaluate(addElement, 'button');
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await page.waitForSelector('aria/[role="button"]');
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await page.reload();
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await page.evaluate(addElement, 'button');
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await page.waitForSelector('aria/[role="button"]');
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});
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it('should persist query handler bindings across navigations', async () => {
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const { page, server } = getTestState();
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// Reset page but make sure that execution context ids start with 1.
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await page.goto('data:text/html,');
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await page.goto(server.EMPTY_PAGE);
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await page.evaluate(addElement, 'button');
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await page.waitForSelector('aria/[role="button"]');
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// Reset page but again make sure that execution context ids start with 1.
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await page.goto('data:text/html,');
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await page.goto(server.EMPTY_PAGE);
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await page.evaluate(addElement, 'button');
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await page.waitForSelector('aria/[role="button"]');
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});
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it('should work independently of `exposeFunction`', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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await page.exposeFunction('ariaQuerySelector', (a, b) => a + b);
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await page.evaluate(addElement, 'button');
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await page.waitForSelector('aria/[role="button"]');
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const result = await page.evaluate('globalThis.ariaQuerySelector(2,8)');
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expect(result).toBe(10);
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});
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it('should work with removed MutationObserver', async () => {
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const { page } = getTestState();
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await page.evaluate(() => delete window.MutationObserver);
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const [handle] = await Promise.all([
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page.waitForSelector('aria/anything'),
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page.setContent(`<h1>anything</h1>`),
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]);
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expect(
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await page.evaluate((x: HTMLElement) => x.textContent, handle)
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).toBe('anything');
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});
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it('should resolve promise when node is added', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const frame = page.mainFrame();
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const watchdog = frame.waitForSelector('aria/[role="heading"]');
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await frame.evaluate(addElement, 'br');
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await frame.evaluate(addElement, 'h1');
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const elementHandle = await watchdog;
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const tagName = await elementHandle
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.getProperty('tagName')
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.then((element) => element.jsonValue());
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expect(tagName).toBe('H1');
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});
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it('should work when node is added through innerHTML', async () => {
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const { page, server } = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const watchdog = page.waitForSelector('aria/name');
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await page.evaluate(addElement, 'span');
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await page.evaluate(
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() =>
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(document.querySelector('span').innerHTML =
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'<h3><div aria-label="name"></div></h3>')
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);
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await watchdog;
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});
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it('Page.waitForSelector is shortcut for main frame', async () => {
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const { page, server } = getTestState();
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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 otherFrame = page.frames()[1];
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const watchdog = page.waitForSelector('aria/[role="button"]');
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await otherFrame.evaluate(addElement, 'button');
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await page.evaluate(addElement, 'button');
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const elementHandle = await watchdog;
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expect(elementHandle.executionContext().frame()).toBe(page.mainFrame());
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});
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it('should run in specified frame', async () => {
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const { page, server } = getTestState();
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await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
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await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE);
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const frame1 = page.frames()[1];
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const frame2 = page.frames()[2];
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const waitForSelectorPromise = frame2.waitForSelector(
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'aria/[role="button"]'
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);
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await frame1.evaluate(addElement, 'button');
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await frame2.evaluate(addElement, 'button');
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const elementHandle = await waitForSelectorPromise;
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expect(elementHandle.executionContext().frame()).toBe(frame2);
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});
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it('should throw when frame is detached', async () => {
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const { page, server } = getTestState();
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await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
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const frame = page.frames()[1];
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let waitError = null;
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const waitPromise = frame
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.waitForSelector('aria/does-not-exist')
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.catch((error) => (waitError = error));
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await utils.detachFrame(page, 'frame1');
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await waitPromise;
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expect(waitError).toBeTruthy();
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expect(waitError.message).toContain(
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'waitForFunction failed: frame got detached.'
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);
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});
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it('should survive cross-process navigation', async () => {
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const { page, server } = getTestState();
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let imgFound = false;
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const waitForSelector = page
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.waitForSelector('aria/[role="img"]')
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.then(() => (imgFound = true));
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await page.goto(server.EMPTY_PAGE);
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expect(imgFound).toBe(false);
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await page.reload();
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expect(imgFound).toBe(false);
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await page.goto(server.CROSS_PROCESS_PREFIX + '/grid.html');
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await waitForSelector;
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expect(imgFound).toBe(true);
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});
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it('should wait for visible', async () => {
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const { page } = getTestState();
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let divFound = false;
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const waitForSelector = page
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.waitForSelector('aria/name', { visible: true })
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.then(() => (divFound = true));
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await page.setContent(
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`<div aria-label='name' style='display: none; visibility: hidden;'>1</div>`
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);
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expect(divFound).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.removeProperty('display')
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);
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expect(divFound).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.removeProperty('visibility')
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);
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expect(await waitForSelector).toBe(true);
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expect(divFound).toBe(true);
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});
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it('should wait for visible recursively', async () => {
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const { page } = getTestState();
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let divVisible = false;
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const waitForSelector = page
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.waitForSelector('aria/inner', { visible: true })
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.then(() => (divVisible = true));
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await page.setContent(
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`<div style='display: none; visibility: hidden;'><div aria-label="inner">hi</div></div>`
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);
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expect(divVisible).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.removeProperty('display')
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);
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expect(divVisible).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.removeProperty('visibility')
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);
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expect(await waitForSelector).toBe(true);
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expect(divVisible).toBe(true);
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});
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it('hidden should wait for visibility: hidden', async () => {
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const { page } = getTestState();
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let divHidden = false;
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await page.setContent(
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`<div role='button' style='display: block;'></div>`
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);
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const waitForSelector = page
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.waitForSelector('aria/[role="button"]', { hidden: true })
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.then(() => (divHidden = true));
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await page.waitForSelector('aria/[role="button"]'); // do a round trip
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expect(divHidden).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.setProperty('visibility', 'hidden')
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);
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expect(await waitForSelector).toBe(true);
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expect(divHidden).toBe(true);
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});
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it('hidden should wait for display: none', async () => {
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const { page } = getTestState();
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let divHidden = false;
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await page.setContent(`<div role='main' style='display: block;'></div>`);
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const waitForSelector = page
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.waitForSelector('aria/[role="main"]', { hidden: true })
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.then(() => (divHidden = true));
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await page.waitForSelector('aria/[role="main"]'); // do a round trip
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expect(divHidden).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').style.setProperty('display', 'none')
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);
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expect(await waitForSelector).toBe(true);
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expect(divHidden).toBe(true);
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});
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it('hidden should wait for removal', async () => {
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const { page } = getTestState();
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await page.setContent(`<div role='main'></div>`);
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let divRemoved = false;
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const waitForSelector = page
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.waitForSelector('aria/[role="main"]', { hidden: true })
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.then(() => (divRemoved = true));
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await page.waitForSelector('aria/[role="main"]'); // do a round trip
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expect(divRemoved).toBe(false);
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await page.evaluate(() => document.querySelector('div').remove());
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expect(await waitForSelector).toBe(true);
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expect(divRemoved).toBe(true);
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});
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it('should return null if waiting to hide non-existing element', async () => {
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const { page } = getTestState();
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const handle = await page.waitForSelector('aria/non-existing', {
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hidden: true,
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});
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expect(handle).toBe(null);
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});
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it('should respect timeout', async () => {
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const { page, puppeteer } = getTestState();
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let error = null;
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await page
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.waitForSelector('aria/[role="button"]', { timeout: 10 })
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.catch((error_) => (error = error_));
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expect(error).toBeTruthy();
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expect(error.message).toContain(
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'waiting for selector `[role="button"]` failed: timeout'
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);
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expect(error).toBeInstanceOf(puppeteer.errors.TimeoutError);
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});
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it('should have an error message specifically for awaiting an element to be hidden', async () => {
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const { page } = getTestState();
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await page.setContent(`<div role='main'></div>`);
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let error = null;
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await page
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.waitForSelector('aria/[role="main"]', { hidden: true, timeout: 10 })
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.catch((error_) => (error = error_));
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expect(error).toBeTruthy();
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expect(error.message).toContain(
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'waiting for selector `[role="main"]` to be hidden failed: timeout'
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);
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});
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it('should respond to node attribute mutation', async () => {
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const { page } = getTestState();
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let divFound = false;
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const waitForSelector = page
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.waitForSelector('aria/zombo')
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.then(() => (divFound = true));
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await page.setContent(`<div aria-label='notZombo'></div>`);
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expect(divFound).toBe(false);
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await page.evaluate(() =>
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document.querySelector('div').setAttribute('aria-label', 'zombo')
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);
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expect(await waitForSelector).toBe(true);
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});
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it('should return the element handle', async () => {
|
|
const { page } = getTestState();
|
|
|
|
const waitForSelector = page.waitForSelector('aria/zombo');
|
|
await page.setContent(`<div aria-label='zombo'>anything</div>`);
|
|
expect(
|
|
await page.evaluate(
|
|
(x: HTMLElement) => x.textContent,
|
|
await waitForSelector
|
|
)
|
|
).toBe('anything');
|
|
});
|
|
|
|
it('should have correct stack trace for timeout', async () => {
|
|
const { page } = getTestState();
|
|
|
|
let error;
|
|
await page
|
|
.waitForSelector('aria/zombo', { timeout: 10 })
|
|
.catch((error_) => (error = error_));
|
|
expect(error.stack).toContain('waiting for selector `zombo` failed');
|
|
});
|
|
});
|
|
|
|
describe('queryOne (Chromium web test)', async () => {
|
|
beforeEach(async () => {
|
|
const { page } = getTestState();
|
|
await page.setContent(
|
|
`
|
|
<h2 id="shown">title</h2>
|
|
<h2 id="hidden" aria-hidden="true">title</h2>
|
|
<div id="node1" aria-labeledby="node2"></div>
|
|
<div id="node2" aria-label="bar"></div>
|
|
<div id="node3" aria-label="foo"></div>
|
|
<div id="node4" class="container">
|
|
<div id="node5" role="button" aria-label="foo"></div>
|
|
<div id="node6" role="button" aria-label="foo"></div>
|
|
<!-- Accessible name not available when element is hidden -->
|
|
<div id="node7" hidden role="button" aria-label="foo"></div>
|
|
<div id="node8" role="button" aria-label="bar"></div>
|
|
</div>
|
|
<button id="node10">text content</button>
|
|
<h1 id="node11">text content</h1>
|
|
<!-- Accessible name not available when role is "presentation" -->
|
|
<h1 id="node12" role="presentation">text content</h1>
|
|
<!-- Elements inside shadow dom should be found -->
|
|
<script>
|
|
const div = document.createElement('div');
|
|
const shadowRoot = div.attachShadow({mode: 'open'});
|
|
const h1 = document.createElement('h1');
|
|
h1.textContent = 'text content';
|
|
h1.id = 'node13';
|
|
shadowRoot.appendChild(h1);
|
|
document.documentElement.appendChild(div);
|
|
</script>
|
|
<img id="node20" src="" alt="Accessible Name">
|
|
<input id="node21" type="submit" value="Accessible Name">
|
|
<label id="node22" for="node23">Accessible Name</label>
|
|
<!-- Accessible name for the <input> is "Accessible Name" -->
|
|
<input id="node23">
|
|
<div id="node24" title="Accessible Name"></div>
|
|
<div role="treeitem" id="node30">
|
|
<div role="treeitem" id="node31">
|
|
<div role="treeitem" id="node32">item1</div>
|
|
<div role="treeitem" id="node33">item2</div>
|
|
</div>
|
|
<div role="treeitem" id="node34">item3</div>
|
|
</div>
|
|
<!-- Accessible name for the <div> is "item1 item2 item3" -->
|
|
<div aria-describedby="node30"></div>
|
|
`
|
|
);
|
|
});
|
|
const getIds = async (elements: ElementHandle[]) =>
|
|
Promise.all(
|
|
elements.map((element) =>
|
|
element.evaluate((element: Element) => element.id)
|
|
)
|
|
);
|
|
it('should find by name "foo"', async () => {
|
|
const { page } = getTestState();
|
|
const found = await page.$$('aria/foo');
|
|
const ids = await getIds(found);
|
|
expect(ids).toEqual(['node3', 'node5', 'node6']);
|
|
});
|
|
it('should find by name "bar"', async () => {
|
|
const { page } = getTestState();
|
|
const found = await page.$$('aria/bar');
|
|
const ids = await getIds(found);
|
|
expect(ids).toEqual(['node1', 'node2', 'node8']);
|
|
});
|
|
it('should find treeitem by name', async () => {
|
|
const { page } = getTestState();
|
|
const found = await page.$$('aria/item1 item2 item3');
|
|
const ids = await getIds(found);
|
|
expect(ids).toEqual(['node30']);
|
|
});
|
|
it('should find by role "button"', async () => {
|
|
const { page } = getTestState();
|
|
const found = await page.$$<HTMLButtonElement>('aria/[role="button"]');
|
|
const ids = await getIds(found);
|
|
expect(ids).toEqual([
|
|
'node5',
|
|
'node6',
|
|
'node7',
|
|
'node8',
|
|
'node10',
|
|
'node21',
|
|
]);
|
|
});
|
|
it('should find by role "heading"', async () => {
|
|
const { page } = getTestState();
|
|
const found = await page.$$('aria/[role="heading"]');
|
|
const ids = await getIds(found);
|
|
expect(ids).toEqual(['shown', 'hidden', 'node11', 'node13']);
|
|
});
|
|
it('should find both ignored and unignored', async () => {
|
|
const { page } = getTestState();
|
|
const found = await page.$$('aria/title');
|
|
const ids = await getIds(found);
|
|
expect(ids).toEqual(['shown', 'hidden']);
|
|
});
|
|
});
|
|
});
|