231 строка
9.4 KiB
TypeScript
231 строка
9.4 KiB
TypeScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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* Modifications copyright (c) Microsoft Corporation.
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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 { it, expect } from './fixtures';
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import { attachFrame, detachFrame } from './utils';
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async function giveItTimeToLog(frame) {
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await frame.evaluate(() => new Promise(f => requestAnimationFrame(() => requestAnimationFrame(f))));
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await frame.evaluate(() => new Promise(f => requestAnimationFrame(() => requestAnimationFrame(f))));
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}
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const addElement = tag => document.body.appendChild(document.createElement(tag));
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it('should throw on waitFor', async ({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
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let error;
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// @ts-expect-error waitFor is undocumented
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await page.waitForSelector('*', { waitFor: 'attached' }).catch(e => error = e);
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expect(error.message).toContain('options.waitFor is not supported, did you mean options.state?');
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});
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it('should tolerate waitFor=visible', async ({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
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let error = false;
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// @ts-expect-error waitFor is undocumented
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await page.waitForSelector('*', { waitFor: 'visible' }).catch(() => error = true);
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expect(error).toBe(false);
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});
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it('should immediately resolve promise if node exists', async ({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
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const frame = page.mainFrame();
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await frame.waitForSelector('*');
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await frame.evaluate(addElement, 'div');
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await frame.waitForSelector('div', { state: 'attached'});
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});
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it('elementHandle.waitForSelector should immediately resolve if node exists', async ({page}) => {
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await page.setContent(`<span>extra</span><div><span>target</span></div>`);
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const div = await page.$('div');
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const span = await div.waitForSelector('span', { state: 'attached' });
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expect(await span.evaluate(e => e.textContent)).toBe('target');
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});
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it('elementHandle.waitForSelector should wait', async ({page}) => {
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await page.setContent(`<div></div>`);
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const div = await page.$('div');
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const promise = div.waitForSelector('span', { state: 'attached' });
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await div.evaluate(div => div.innerHTML = '<span>target</span>');
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const span = await promise;
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expect(await span.evaluate(e => e.textContent)).toBe('target');
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});
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it('elementHandle.waitForSelector should timeout', async ({page}) => {
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await page.setContent(`<div></div>`);
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const div = await page.$('div');
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const error = await div.waitForSelector('span', { timeout: 100 }).catch(e => e);
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expect(error.message).toContain('Timeout 100ms exceeded.');
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});
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it('elementHandle.waitForSelector should throw on navigation', async ({page, server}) => {
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await page.setContent(`<div></div>`);
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const div = await page.$('div');
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const promise = div.waitForSelector('span').catch(e => e);
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// Give it some time before navigating.
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for (let i = 0; i < 10; i++)
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await page.evaluate(() => 1);
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await page.goto(server.EMPTY_PAGE);
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const error = await promise;
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expect(error.message).toContain('Execution context was destroyed, most likely because of a navigation');
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});
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it('should work with removed MutationObserver', async ({page, server}) => {
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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('.zombo'),
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page.setContent(`<div class='zombo'>anything</div>`),
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]);
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expect(await page.evaluate(x => x.textContent, handle)).toBe('anything');
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});
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it('should resolve promise when node is added', async ({page, server}) => {
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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('div', { state: 'attached' });
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await frame.evaluate(addElement, 'br');
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await frame.evaluate(addElement, 'div');
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const eHandle = await watchdog;
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const tagName = await eHandle.getProperty('tagName').then(e => e.jsonValue());
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expect(tagName).toBe('DIV');
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});
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it('should report logs while waiting for visible', async ({page, server}) => {
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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('div', { timeout: 5000 });
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await frame.evaluate(() => {
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const div = document.createElement('div');
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div.className = 'foo bar';
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div.id = 'mydiv';
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div.setAttribute('style', 'display: none');
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div.setAttribute('foo', '123456789012345678901234567890123456789012345678901234567890');
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div.textContent = 'abcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvwyxz';
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document.body.appendChild(div);
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});
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await giveItTimeToLog(frame);
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await frame.evaluate(() => document.querySelector('div').remove());
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await giveItTimeToLog(frame);
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await frame.evaluate(() => {
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const div = document.createElement('div');
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div.className = 'another';
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div.style.display = 'none';
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document.body.appendChild(div);
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});
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await giveItTimeToLog(frame);
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const error = await watchdog.catch(e => e);
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expect(error.message).toContain(`frame.waitForSelector: Timeout 5000ms exceeded.`);
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expect(error.message).toContain(`waiting for selector "div" to be visible`);
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expect(error.message).toContain(`selector resolved to hidden <div id="mydiv" class="foo bar" foo="1234567890123456…>abcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvw…</div>`);
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expect(error.message).toContain(`selector did not resolve to any element`);
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expect(error.message).toContain(`selector resolved to hidden <div class="another"></div>`);
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});
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it('should report logs while waiting for hidden', async ({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
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const frame = page.mainFrame();
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await frame.evaluate(() => {
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const div = document.createElement('div');
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div.className = 'foo bar';
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div.id = 'mydiv';
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div.textContent = 'hello';
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document.body.appendChild(div);
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});
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const watchdog = frame.waitForSelector('div', { state: 'hidden', timeout: 5000 });
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await giveItTimeToLog(frame);
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await frame.evaluate(() => {
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document.querySelector('div').remove();
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const div = document.createElement('div');
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div.className = 'another';
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div.textContent = 'hello';
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document.body.appendChild(div);
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});
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await giveItTimeToLog(frame);
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const error = await watchdog.catch(e => e);
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expect(error.message).toContain(`frame.waitForSelector: Timeout 5000ms exceeded.`);
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expect(error.message).toContain(`waiting for selector "div" to be hidden`);
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expect(error.message).toContain(`selector resolved to visible <div id="mydiv" class="foo bar">hello</div>`);
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expect(error.message).toContain(`selector resolved to visible <div class="another">hello</div>`);
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});
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it('should resolve promise when node is added in shadow dom', async ({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
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const watchdog = page.waitForSelector('span');
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await page.evaluate(() => {
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const div = document.createElement('div');
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div.attachShadow({mode: 'open'});
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document.body.appendChild(div);
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});
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await page.evaluate(() => new Promise(f => setTimeout(f, 100)));
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await page.evaluate(() => {
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const span = document.createElement('span');
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span.textContent = 'Hello from shadow';
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document.querySelector('div').shadowRoot.appendChild(span);
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});
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const handle = await watchdog;
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expect(await handle.evaluate(e => e.textContent)).toBe('Hello from shadow');
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});
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it('should work when node is added through innerHTML', async ({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
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const watchdog = page.waitForSelector('h3 div', { state: 'attached'});
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await page.evaluate(addElement, 'span');
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await page.evaluate(() => document.querySelector('span').innerHTML = '<h3><div></div></h3>');
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await watchdog;
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});
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it('page.waitForSelector is shortcut for main frame', async ({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
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await attachFrame(page, 'frame1', server.EMPTY_PAGE);
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const otherFrame = page.frames()[1];
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const watchdog = page.waitForSelector('div', { state: 'attached' });
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await otherFrame.evaluate(addElement, 'div');
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await page.evaluate(addElement, 'div');
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const eHandle = await watchdog;
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expect(await eHandle.ownerFrame()).toBe(page.mainFrame());
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});
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it('should run in specified frame', async ({page, server}) => {
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await attachFrame(page, 'frame1', server.EMPTY_PAGE);
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await 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('div', { state: 'attached' });
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await frame1.evaluate(addElement, 'div');
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await frame2.evaluate(addElement, 'div');
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const eHandle = await waitForSelectorPromise;
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expect(await eHandle.ownerFrame()).toBe(frame2);
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});
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it('should throw when frame is detached', async ({page, server}) => {
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await 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.waitForSelector('.box').catch(e => waitError = e);
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await detachFrame(page, 'frame1');
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await waitPromise;
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expect(waitError).toBeTruthy();
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expect(waitError.message).toContain('waitForFunction failed: frame got detached.');
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});
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