chore: split tests for faster execution (#3613)

This commit is contained in:
Pavel Feldman 2020-08-24 20:26:06 -07:00 committed by GitHub
parent db7bec36c5
commit e215461898
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 432 additions and 393 deletions

View file

@ -0,0 +1,189 @@
/**
* Copyright 2017 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { options } from './playwright.fixtures';
import fs from 'fs';
import utils from './utils';
it('context.cookies() should work', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent();
await page.goto(server.EMPTY_PAGE);
const documentCookie = await page.evaluate(() => {
document.cookie = 'username=John Doe';
return document.cookie;
});
expect(documentCookie).toBe('username=John Doe');
expect(await page.context().cookies()).toEqual([{
name: 'username',
value: 'John Doe',
domain: 'localhost',
path: '/',
expires: -1,
httpOnly: false,
secure: false,
sameSite: 'None',
}]);
});
it('context.addCookies() should work', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent();
await page.goto(server.EMPTY_PAGE);
await page.context().addCookies([{
url: server.EMPTY_PAGE,
name: 'username',
value: 'John Doe'
}]);
expect(await page.evaluate(() => document.cookie)).toBe('username=John Doe');
expect(await page.context().cookies()).toEqual([{
name: 'username',
value: 'John Doe',
domain: 'localhost',
path: '/',
expires: -1,
httpOnly: false,
secure: false,
sameSite: 'None',
}]);
});
it('context.clearCookies() should work', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent();
await page.goto(server.EMPTY_PAGE);
await page.context().addCookies([{
url: server.EMPTY_PAGE,
name: 'cookie1',
value: '1'
}, {
url: server.EMPTY_PAGE,
name: 'cookie2',
value: '2'
}]);
expect(await page.evaluate('document.cookie')).toBe('cookie1=1; cookie2=2');
await page.context().clearCookies();
await page.reload();
expect(await page.context().cookies([])).toEqual([]);
expect(await page.evaluate('document.cookie')).toBe('');
});
it('should(not) block third party cookies', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent();
await page.goto(server.EMPTY_PAGE);
await page.evaluate(src => {
let fulfill;
const promise = new Promise(x => fulfill = x);
const iframe = document.createElement('iframe');
document.body.appendChild(iframe);
iframe.onload = fulfill;
iframe.src = src;
return promise;
}, server.CROSS_PROCESS_PREFIX + '/grid.html');
const documentCookie = await page.frames()[1].evaluate(() => {
document.cookie = 'username=John Doe';
return document.cookie;
});
await page.waitForTimeout(2000);
const allowsThirdParty = options.CHROMIUM || options.FIREFOX;
expect(documentCookie).toBe(allowsThirdParty ? 'username=John Doe' : '');
const cookies = await context.cookies(server.CROSS_PROCESS_PREFIX + '/grid.html');
if (allowsThirdParty) {
expect(cookies).toEqual([
{
"domain": "127.0.0.1",
"expires": -1,
"httpOnly": false,
"name": "username",
"path": "/",
"sameSite": "None",
"secure": false,
"value": "John Doe"
}
]);
} else {
expect(cookies).toEqual([]);
}
});
it('should support viewport option', async ({launchPersistent}) => {
const {page, context} = await launchPersistent({viewport: { width: 456, height: 789 }});
await utils.verifyViewport(page, 456, 789);
const page2 = await context.newPage();
await utils.verifyViewport(page2, 456, 789);
});
it('should support deviceScaleFactor option', async ({launchPersistent}) => {
const {page, context} = await launchPersistent({deviceScaleFactor: 3});
expect(await page.evaluate('window.devicePixelRatio')).toBe(3);
});
it('should support userAgent option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({userAgent: 'foobar'});
expect(await page.evaluate(() => navigator.userAgent)).toBe('foobar');
const [request] = await Promise.all([
server.waitForRequest('/empty.html'),
page.goto(server.EMPTY_PAGE),
]);
expect(request.headers['user-agent']).toBe('foobar');
});
it('should support bypassCSP option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({bypassCSP: true});
await page.goto(server.PREFIX + '/csp.html');
await page.addScriptTag({content: 'window["__injected"] = 42;'});
expect(await page.evaluate('__injected')).toBe(42);
});
it('should support javascriptEnabled option', async ({launchPersistent}) => {
const {page, context} = await launchPersistent({javaScriptEnabled: false});
await page.goto('data:text/html, <script>var something = "forbidden"</script>');
let error = null;
await page.evaluate('something').catch(e => error = e);
if (options.WEBKIT)
expect(error.message).toContain('Can\'t find variable: something');
else
expect(error.message).toContain('something is not defined');
});
it('should support httpCredentials option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({httpCredentials: { username: 'user', password: 'pass' }});
server.setAuth('/playground.html', 'user', 'pass');
const response = await page.goto(server.PREFIX + '/playground.html');
expect(response.status()).toBe(200);
});
it('should support offline option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({offline: true});
const error = await page.goto(server.EMPTY_PAGE).catch(e => e);
expect(error).toBeTruthy();
});
it.skip(true)('should support acceptDownloads option', async ({server, launchPersistent}) => {
// TODO: unskip once we support downloads in persistent context.
const {page, context} = await launchPersistent({acceptDownloads: true});
server.setRoute('/download', (req, res) => {
res.setHeader('Content-Type', 'application/octet-stream');
res.setHeader('Content-Disposition', 'attachment');
res.end(`Hello world`);
});
await page.setContent(`<a href="${server.PREFIX}/download">download</a>`);
const [ download ] = await Promise.all([
page.waitForEvent('download'),
page.click('a')
]);
const path = await download.path();
expect(fs.existsSync(path)).toBeTruthy();
expect(fs.readFileSync(path).toString()).toBe('Hello world');
});

View file

@ -16,201 +16,10 @@
*/
import { options } from './playwright.fixtures';
import { registerFixture } from '../test-runner';
import fs from 'fs';
import utils from './utils';
import { BrowserType, Browser, BrowserContext, Page } from '..';
const { removeUserDataDir, makeUserDataDir } = utils;
declare global {
interface TestState {
launchPersistent: (options?: Parameters<BrowserType<Browser>['launchPersistentContext']>[1]) => Promise<{context: BrowserContext, page: Page}>;
}
}
registerFixture('launchPersistent', async ({tmpDir, defaultBrowserOptions, browserType}, test) => {
let context;
async function launchPersistent(options) {
if (context)
throw new Error('can only launch one persitent context');
context = await browserType.launchPersistentContext(tmpDir, {...defaultBrowserOptions, ...options});
const page = context.pages()[0];
return {context, page};
}
await test(launchPersistent);
if (context)
await context.close();
});
it('context.cookies() should work', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent();
await page.goto(server.EMPTY_PAGE);
const documentCookie = await page.evaluate(() => {
document.cookie = 'username=John Doe';
return document.cookie;
});
expect(documentCookie).toBe('username=John Doe');
expect(await page.context().cookies()).toEqual([{
name: 'username',
value: 'John Doe',
domain: 'localhost',
path: '/',
expires: -1,
httpOnly: false,
secure: false,
sameSite: 'None',
}]);
});
it('context.addCookies() should work', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent();
await page.goto(server.EMPTY_PAGE);
await page.context().addCookies([{
url: server.EMPTY_PAGE,
name: 'username',
value: 'John Doe'
}]);
expect(await page.evaluate(() => document.cookie)).toBe('username=John Doe');
expect(await page.context().cookies()).toEqual([{
name: 'username',
value: 'John Doe',
domain: 'localhost',
path: '/',
expires: -1,
httpOnly: false,
secure: false,
sameSite: 'None',
}]);
});
it('context.clearCookies() should work', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent();
await page.goto(server.EMPTY_PAGE);
await page.context().addCookies([{
url: server.EMPTY_PAGE,
name: 'cookie1',
value: '1'
}, {
url: server.EMPTY_PAGE,
name: 'cookie2',
value: '2'
}]);
expect(await page.evaluate('document.cookie')).toBe('cookie1=1; cookie2=2');
await page.context().clearCookies();
await page.reload();
expect(await page.context().cookies([])).toEqual([]);
expect(await page.evaluate('document.cookie')).toBe('');
});
it('should(not) block third party cookies', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent();
await page.goto(server.EMPTY_PAGE);
await page.evaluate(src => {
let fulfill;
const promise = new Promise(x => fulfill = x);
const iframe = document.createElement('iframe');
document.body.appendChild(iframe);
iframe.onload = fulfill;
iframe.src = src;
return promise;
}, server.CROSS_PROCESS_PREFIX + '/grid.html');
const documentCookie = await page.frames()[1].evaluate(() => {
document.cookie = 'username=John Doe';
return document.cookie;
});
await page.waitForTimeout(2000);
const allowsThirdParty = options.CHROMIUM || options.FIREFOX;
expect(documentCookie).toBe(allowsThirdParty ? 'username=John Doe' : '');
const cookies = await context.cookies(server.CROSS_PROCESS_PREFIX + '/grid.html');
if (allowsThirdParty) {
expect(cookies).toEqual([
{
"domain": "127.0.0.1",
"expires": -1,
"httpOnly": false,
"name": "username",
"path": "/",
"sameSite": "None",
"secure": false,
"value": "John Doe"
}
]);
} else {
expect(cookies).toEqual([]);
}
});
it('should support viewport option', async ({launchPersistent}) => {
const {page, context} = await launchPersistent({viewport: { width: 456, height: 789 }});
await utils.verifyViewport(page, 456, 789);
const page2 = await context.newPage();
await utils.verifyViewport(page2, 456, 789);
});
it('should support deviceScaleFactor option', async ({launchPersistent}) => {
const {page, context} = await launchPersistent({deviceScaleFactor: 3});
expect(await page.evaluate('window.devicePixelRatio')).toBe(3);
});
it('should support userAgent option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({userAgent: 'foobar'});
expect(await page.evaluate(() => navigator.userAgent)).toBe('foobar');
const [request] = await Promise.all([
server.waitForRequest('/empty.html'),
page.goto(server.EMPTY_PAGE),
]);
expect(request.headers['user-agent']).toBe('foobar');
});
it('should support bypassCSP option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({bypassCSP: true});
await page.goto(server.PREFIX + '/csp.html');
await page.addScriptTag({content: 'window["__injected"] = 42;'});
expect(await page.evaluate('__injected')).toBe(42);
});
it('should support javascriptEnabled option', async ({launchPersistent}) => {
const {page, context} = await launchPersistent({javaScriptEnabled: false});
await page.goto('data:text/html, <script>var something = "forbidden"</script>');
let error = null;
await page.evaluate('something').catch(e => error = e);
if (options.WEBKIT)
expect(error.message).toContain('Can\'t find variable: something');
else
expect(error.message).toContain('something is not defined');
});
it('should support httpCredentials option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({httpCredentials: { username: 'user', password: 'pass' }});
server.setAuth('/playground.html', 'user', 'pass');
const response = await page.goto(server.PREFIX + '/playground.html');
expect(response.status()).toBe(200);
});
it('should support offline option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({offline: true});
const error = await page.goto(server.EMPTY_PAGE).catch(e => e);
expect(error).toBeTruthy();
});
it.skip(true)('should support acceptDownloads option', async ({server, launchPersistent}) => {
// TODO: unskip once we support downloads in persistent context.
const {page, context} = await launchPersistent({acceptDownloads: true});
server.setRoute('/download', (req, res) => {
res.setHeader('Content-Type', 'application/octet-stream');
res.setHeader('Content-Disposition', 'attachment');
res.end(`Hello world`);
});
await page.setContent(`<a href="${server.PREFIX}/download">download</a>`);
const [ download ] = await Promise.all([
page.waitForEvent('download'),
page.click('a')
]);
const path = await download.path();
expect(fs.existsSync(path)).toBeTruthy();
expect(fs.readFileSync(path).toString()).toBe('Hello world');
});
it('should support hasTouch option', async ({server, launchPersistent}) => {
const {page, context} = await launchPersistent({hasTouch: true});
await page.goto(server.PREFIX + '/mobile.html');

View file

@ -53,6 +53,7 @@ declare global {
page: Page;
httpsServer: TestServer;
browserServer: BrowserServer;
launchPersistent: (options?: Parameters<BrowserType<Browser>['launchPersistentContext']>[1]) => Promise<{context: BrowserContext, page: Page}>;
}
interface FixtureParameters {
browserName: string;
@ -199,6 +200,20 @@ registerFixture('page', async ({context}, runTest, config, test) => {
}
});
registerFixture('launchPersistent', async ({tmpDir, defaultBrowserOptions, browserType}, test) => {
let context;
async function launchPersistent(options) {
if (context)
throw new Error('can only launch one persitent context');
context = await browserType.launchPersistentContext(tmpDir, {...defaultBrowserOptions, ...options});
const page = context.pages()[0];
return {context, page};
}
await test(launchPersistent);
if (context)
await context.close();
});
registerFixture('server', async ({httpService}, test) => {
httpService.server.reset();
await test(httpService.server);

View file

@ -0,0 +1,228 @@
/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import './playwright.fixtures';
import utils from './utils';
async function giveItTimeToLog(frame) {
await frame.evaluate(() => new Promise(f => requestAnimationFrame(() => requestAnimationFrame(f))));
await frame.evaluate(() => new Promise(f => requestAnimationFrame(() => requestAnimationFrame(f))));
}
const addElement = tag => document.body.appendChild(document.createElement(tag));
it('should throw on waitFor', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
let error;
await page.waitForSelector('*', { waitFor: 'attached' } as any).catch(e => error = e);
expect(error.message).toContain('options.waitFor is not supported, did you mean options.state?');
});
it('should tolerate waitFor=visible', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
let error = false;
await page.waitForSelector('*', { waitFor: 'visible' } as any).catch(() => error = true);
expect(error).toBe(false);
});
it('should immediately resolve promise if node exists', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const frame = page.mainFrame();
await frame.waitForSelector('*');
await frame.evaluate(addElement, 'div');
await frame.waitForSelector('div', { state: 'attached'});
});
it('elementHandle.waitForSelector should immediately resolve if node exists', async({page}) => {
await page.setContent(`<span>extra</span><div><span>target</span></div>`);
const div = await page.$('div');
const span = await div.waitForSelector('span', { state: 'attached' });
expect(await span.evaluate(e => e.textContent)).toBe('target');
});
it('elementHandle.waitForSelector should wait', async({page}) => {
await page.setContent(`<div></div>`);
const div = await page.$('div');
const promise = div.waitForSelector('span', { state: 'attached' });
await div.evaluate(div => div.innerHTML = '<span>target</span>');
const span = await promise;
expect(await span.evaluate(e => e.textContent)).toBe('target');
});
it('elementHandle.waitForSelector should timeout', async({page}) => {
await page.setContent(`<div></div>`);
const div = await page.$('div');
const error = await div.waitForSelector('span', { timeout: 100 }).catch(e => e);
expect(error.message).toContain('Timeout 100ms exceeded.');
});
it('elementHandle.waitForSelector should throw on navigation', async({page, server}) => {
await page.setContent(`<div></div>`);
const div = await page.$('div');
const promise = div.waitForSelector('span').catch(e => e);
// Give it some time before navigating.
for (let i = 0; i < 10; i++)
await page.evaluate(() => 1);
await page.goto(server.EMPTY_PAGE);
const error = await promise;
expect(error.message).toContain('Execution context was destroyed, most likely because of a navigation');
});
it('should work with removed MutationObserver', async({page, server}) => {
await page.evaluate(() => delete window.MutationObserver);
const [handle] = await Promise.all([
page.waitForSelector('.zombo'),
page.setContent(`<div class='zombo'>anything</div>`),
]);
expect(await page.evaluate(x => x.textContent, handle)).toBe('anything');
});
it('should resolve promise when node is added', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const frame = page.mainFrame();
const watchdog = frame.waitForSelector('div', { state: 'attached' });
await frame.evaluate(addElement, 'br');
await frame.evaluate(addElement, 'div');
const eHandle = await watchdog;
const tagName = await eHandle.getProperty('tagName').then(e => e.jsonValue());
expect(tagName).toBe('DIV');
});
it('should report logs while waiting for visible', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const frame = page.mainFrame();
const watchdog = frame.waitForSelector('div', { timeout: 5000 });
await frame.evaluate(() => {
const div = document.createElement('div');
div.className = 'foo bar';
div.id = 'mydiv';
div.setAttribute('style', 'display: none');
div.setAttribute('foo', '123456789012345678901234567890123456789012345678901234567890');
div.textContent = 'abcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvwyxz';
document.body.appendChild(div);
});
await giveItTimeToLog(frame);
await frame.evaluate(() => document.querySelector('div').remove());
await giveItTimeToLog(frame);
await frame.evaluate(() => {
const div = document.createElement('div');
div.className = 'another';
div.style.display = 'none';
document.body.appendChild(div);
});
await giveItTimeToLog(frame);
const error = await watchdog.catch(e => e);
expect(error.message).toContain(`frame.waitForSelector: Timeout 5000ms exceeded.`);
expect(error.message).toContain(`waiting for selector "div" to be visible`);
expect(error.message).toContain(`selector resolved to hidden <div id="mydiv" class="foo bar" foo="1234567890123456…>abcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvw…</div>`);
expect(error.message).toContain(`selector did not resolve to any element`);
expect(error.message).toContain(`selector resolved to hidden <div class="another"></div>`);
});
it('should report logs while waiting for hidden', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const frame = page.mainFrame();
await frame.evaluate(() => {
const div = document.createElement('div');
div.className = 'foo bar';
div.id = 'mydiv';
div.textContent = 'hello';
document.body.appendChild(div);
});
const watchdog = frame.waitForSelector('div', { state: 'hidden', timeout: 5000 });
await giveItTimeToLog(frame);
await frame.evaluate(() => {
document.querySelector('div').remove();
const div = document.createElement('div');
div.className = 'another';
div.textContent = 'hello';
document.body.appendChild(div);
});
await giveItTimeToLog(frame);
const error = await watchdog.catch(e => e);
expect(error.message).toContain(`frame.waitForSelector: Timeout 5000ms exceeded.`);
expect(error.message).toContain(`waiting for selector "div" to be hidden`);
expect(error.message).toContain(`selector resolved to visible <div id="mydiv" class="foo bar">hello</div>`);
expect(error.message).toContain(`selector resolved to visible <div class="another">hello</div>`);
});
it('should resolve promise when node is added in shadow dom', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const watchdog = page.waitForSelector('span');
await page.evaluate(() => {
const div = document.createElement('div');
div.attachShadow({mode: 'open'});
document.body.appendChild(div);
});
await page.evaluate(() => new Promise(f => setTimeout(f, 100)));
await page.evaluate(() => {
const span = document.createElement('span');
span.textContent = 'Hello from shadow';
document.querySelector('div').shadowRoot.appendChild(span);
});
const handle = await watchdog;
expect(await handle.evaluate(e => e.textContent)).toBe('Hello from shadow');
});
it('should work when node is added through innerHTML', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const watchdog = page.waitForSelector('h3 div', { state: 'attached'});
await page.evaluate(addElement, 'span');
await page.evaluate(() => document.querySelector('span').innerHTML = '<h3><div></div></h3>');
await watchdog;
});
it('page.waitForSelector is shortcut for main frame', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
const otherFrame = page.frames()[1];
const watchdog = page.waitForSelector('div', { state: 'attached' });
await otherFrame.evaluate(addElement, 'div');
await page.evaluate(addElement, 'div');
const eHandle = await watchdog;
expect(await eHandle.ownerFrame()).toBe(page.mainFrame());
});
it('should run in specified frame', async({page, server}) => {
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE);
const frame1 = page.frames()[1];
const frame2 = page.frames()[2];
const waitForSelectorPromise = frame2.waitForSelector('div', { state: 'attached' });
await frame1.evaluate(addElement, 'div');
await frame2.evaluate(addElement, 'div');
const eHandle = await waitForSelectorPromise;
expect(await eHandle.ownerFrame()).toBe(frame2);
});
it('should throw when frame is detached', async({page, server}) => {
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
const frame = page.frames()[1];
let waitError = null;
const waitPromise = frame.waitForSelector('.box').catch(e => waitError = e);
await utils.detachFrame(page, 'frame1');
await waitPromise;
expect(waitError).toBeTruthy();
expect(waitError.message).toContain('waitForFunction failed: frame got detached.');
});

View file

@ -25,208 +25,6 @@ async function giveItTimeToLog(frame) {
const addElement = tag => document.body.appendChild(document.createElement(tag));
it('should throw on waitFor', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
let error;
await page.waitForSelector('*', { waitFor: 'attached' } as any).catch(e => error = e);
expect(error.message).toContain('options.waitFor is not supported, did you mean options.state?');
});
it('should tolerate waitFor=visible', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
let error = false;
await page.waitForSelector('*', { waitFor: 'visible' } as any).catch(() => error = true);
expect(error).toBe(false);
});
it('should immediately resolve promise if node exists', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const frame = page.mainFrame();
await frame.waitForSelector('*');
await frame.evaluate(addElement, 'div');
await frame.waitForSelector('div', { state: 'attached'});
});
it('elementHandle.waitForSelector should immediately resolve if node exists', async({page}) => {
await page.setContent(`<span>extra</span><div><span>target</span></div>`);
const div = await page.$('div');
const span = await div.waitForSelector('span', { state: 'attached' });
expect(await span.evaluate(e => e.textContent)).toBe('target');
});
it('elementHandle.waitForSelector should wait', async({page}) => {
await page.setContent(`<div></div>`);
const div = await page.$('div');
const promise = div.waitForSelector('span', { state: 'attached' });
await div.evaluate(div => div.innerHTML = '<span>target</span>');
const span = await promise;
expect(await span.evaluate(e => e.textContent)).toBe('target');
});
it('elementHandle.waitForSelector should timeout', async({page}) => {
await page.setContent(`<div></div>`);
const div = await page.$('div');
const error = await div.waitForSelector('span', { timeout: 100 }).catch(e => e);
expect(error.message).toContain('Timeout 100ms exceeded.');
});
it('elementHandle.waitForSelector should throw on navigation', async({page, server}) => {
await page.setContent(`<div></div>`);
const div = await page.$('div');
const promise = div.waitForSelector('span').catch(e => e);
// Give it some time before navigating.
for (let i = 0; i < 10; i++)
await page.evaluate(() => 1);
await page.goto(server.EMPTY_PAGE);
const error = await promise;
expect(error.message).toContain('Execution context was destroyed, most likely because of a navigation');
});
it('should work with removed MutationObserver', async({page, server}) => {
await page.evaluate(() => delete window.MutationObserver);
const [handle] = await Promise.all([
page.waitForSelector('.zombo'),
page.setContent(`<div class='zombo'>anything</div>`),
]);
expect(await page.evaluate(x => x.textContent, handle)).toBe('anything');
});
it('should resolve promise when node is added', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const frame = page.mainFrame();
const watchdog = frame.waitForSelector('div', { state: 'attached' });
await frame.evaluate(addElement, 'br');
await frame.evaluate(addElement, 'div');
const eHandle = await watchdog;
const tagName = await eHandle.getProperty('tagName').then(e => e.jsonValue());
expect(tagName).toBe('DIV');
});
it('should report logs while waiting for visible', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const frame = page.mainFrame();
const watchdog = frame.waitForSelector('div', { timeout: 5000 });
await frame.evaluate(() => {
const div = document.createElement('div');
div.className = 'foo bar';
div.id = 'mydiv';
div.setAttribute('style', 'display: none');
div.setAttribute('foo', '123456789012345678901234567890123456789012345678901234567890');
div.textContent = 'abcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvwyxz';
document.body.appendChild(div);
});
await giveItTimeToLog(frame);
await frame.evaluate(() => document.querySelector('div').remove());
await giveItTimeToLog(frame);
await frame.evaluate(() => {
const div = document.createElement('div');
div.className = 'another';
div.style.display = 'none';
document.body.appendChild(div);
});
await giveItTimeToLog(frame);
const error = await watchdog.catch(e => e);
expect(error.message).toContain(`frame.waitForSelector: Timeout 5000ms exceeded.`);
expect(error.message).toContain(`waiting for selector "div" to be visible`);
expect(error.message).toContain(`selector resolved to hidden <div id="mydiv" class="foo bar" foo="1234567890123456…>abcdefghijklmnopqrstuvwyxzabcdefghijklmnopqrstuvw…</div>`);
expect(error.message).toContain(`selector did not resolve to any element`);
expect(error.message).toContain(`selector resolved to hidden <div class="another"></div>`);
});
it('should report logs while waiting for hidden', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const frame = page.mainFrame();
await frame.evaluate(() => {
const div = document.createElement('div');
div.className = 'foo bar';
div.id = 'mydiv';
div.textContent = 'hello';
document.body.appendChild(div);
});
const watchdog = frame.waitForSelector('div', { state: 'hidden', timeout: 5000 });
await giveItTimeToLog(frame);
await frame.evaluate(() => {
document.querySelector('div').remove();
const div = document.createElement('div');
div.className = 'another';
div.textContent = 'hello';
document.body.appendChild(div);
});
await giveItTimeToLog(frame);
const error = await watchdog.catch(e => e);
expect(error.message).toContain(`frame.waitForSelector: Timeout 5000ms exceeded.`);
expect(error.message).toContain(`waiting for selector "div" to be hidden`);
expect(error.message).toContain(`selector resolved to visible <div id="mydiv" class="foo bar">hello</div>`);
expect(error.message).toContain(`selector resolved to visible <div class="another">hello</div>`);
});
it('should resolve promise when node is added in shadow dom', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const watchdog = page.waitForSelector('span');
await page.evaluate(() => {
const div = document.createElement('div');
div.attachShadow({mode: 'open'});
document.body.appendChild(div);
});
await page.evaluate(() => new Promise(f => setTimeout(f, 100)));
await page.evaluate(() => {
const span = document.createElement('span');
span.textContent = 'Hello from shadow';
document.querySelector('div').shadowRoot.appendChild(span);
});
const handle = await watchdog;
expect(await handle.evaluate(e => e.textContent)).toBe('Hello from shadow');
});
it('should work when node is added through innerHTML', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
const watchdog = page.waitForSelector('h3 div', { state: 'attached'});
await page.evaluate(addElement, 'span');
await page.evaluate(() => document.querySelector('span').innerHTML = '<h3><div></div></h3>');
await watchdog;
});
it('page.waitForSelector is shortcut for main frame', async({page, server}) => {
await page.goto(server.EMPTY_PAGE);
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
const otherFrame = page.frames()[1];
const watchdog = page.waitForSelector('div', { state: 'attached' });
await otherFrame.evaluate(addElement, 'div');
await page.evaluate(addElement, 'div');
const eHandle = await watchdog;
expect(await eHandle.ownerFrame()).toBe(page.mainFrame());
});
it('should run in specified frame', async({page, server}) => {
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
await utils.attachFrame(page, 'frame2', server.EMPTY_PAGE);
const frame1 = page.frames()[1];
const frame2 = page.frames()[2];
const waitForSelectorPromise = frame2.waitForSelector('div', { state: 'attached' });
await frame1.evaluate(addElement, 'div');
await frame2.evaluate(addElement, 'div');
const eHandle = await waitForSelectorPromise;
expect(await eHandle.ownerFrame()).toBe(frame2);
});
it('should throw when frame is detached', async({page, server}) => {
await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
const frame = page.frames()[1];
let waitError = null;
const waitPromise = frame.waitForSelector('.box').catch(e => waitError = e);
await utils.detachFrame(page, 'frame1');
await waitPromise;
expect(waitError).toBeTruthy();
expect(waitError.message).toContain('waitForFunction failed: frame got detached.');
});
it('should survive cross-process navigation', async({page, server}) => {
let boxFound = false;
const waitForSelector = page.waitForSelector('.box').then(() => boxFound = true);