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4d069dda0f
Actions like click, focus or polling now avoid doing any work with side-effects after their progress has been aborted.
562 lines
26 KiB
JavaScript
562 lines
26 KiB
JavaScript
/**
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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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const utils = require('./utils');
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const {FFOX, CHROMIUM, WEBKIT} = utils.testOptions(browserType);
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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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describe('Page.waitForTimeout', function() {
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it('should timeout', async({page, server}) => {
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const startTime = Date.now();
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const timeout = 42;
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await page.waitForTimeout(timeout);
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expect(Date.now() - startTime).not.toBeLessThan(timeout / 2);
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});
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});
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describe('Frame.waitForFunction', function() {
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it('should accept a string', async({page, server}) => {
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const watchdog = page.waitForFunction('window.__FOO === 1');
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await page.evaluate(() => window.__FOO = 1);
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await watchdog;
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});
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it('should work when resolved right before execution context disposal', async({page, server}) => {
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await page.addInitScript(() => window.__RELOADED = true);
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await page.waitForFunction(() => {
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if (!window.__RELOADED)
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window.location.reload();
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return true;
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});
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});
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it('should poll on interval', async({page, server}) => {
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const polling = 100;
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const timeDelta = await page.waitForFunction(() => {
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if (!window.__startTime) {
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window.__startTime = Date.now();
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return false;
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}
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return Date.now() - window.__startTime;
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}, {}, {polling});
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expect(await timeDelta.jsonValue()).not.toBeLessThan(polling);
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});
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it('should avoid side effects after timeout', async({page, server}) => {
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let counter = 0;
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page.on('console', () => ++counter);
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const error = await page.waitForFunction(() => {
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window.counter = (window.counter || 0) + 1;
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console.log(window.counter);
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}, {}, { polling: 1, timeout: 1000 }).catch(e => e);
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const savedCounter = counter;
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await page.waitForTimeout(2000); // Give it some time to produce more logs.
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expect(error.message).toContain('Timeout 1000ms exceeded during page.waitForFunction');
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expect(counter).toBe(savedCounter);
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});
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it('should throw on polling:mutation', async({page, server}) => {
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const error = await page.waitForFunction(() => true, {}, {polling: 'mutation'}).catch(e => e);
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expect(error.message).toBe('Unknown polling option: mutation');
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});
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it('should poll on raf', async({page, server}) => {
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const watchdog = page.waitForFunction(() => window.__FOO === 'hit', {}, {polling: 'raf'});
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await page.evaluate(() => window.__FOO = 'hit');
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await watchdog;
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});
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it('should fail with predicate throwing on first call', async({page, server}) => {
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const error = await page.waitForFunction(() => { throw new Error('oh my'); }).catch(e => e);
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expect(error.message).toContain('oh my');
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});
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it('should fail with predicate throwing sometimes', async({page, server}) => {
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const error = await page.waitForFunction(() => {
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window.counter = (window.counter || 0) + 1;
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if (window.counter === 3)
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throw new Error('Bad counter!');
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return window.counter === 5 ? 'result' : false;
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}).catch(e => e);
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expect(error.message).toContain('Bad counter!');
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});
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it('should fail with ReferenceError on wrong page', async({page, server}) => {
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const error = await page.waitForFunction(() => globalVar === 123).catch(e => e);
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expect(error.message).toContain('globalVar');
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});
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it('should work with strict CSP policy', async({page, server}) => {
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server.setCSP('/empty.html', 'script-src ' + server.PREFIX);
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await page.goto(server.EMPTY_PAGE);
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let error = null;
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await Promise.all([
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page.waitForFunction(() => window.__FOO === 'hit', {}, {polling: 'raf'}).catch(e => error = e),
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page.evaluate(() => window.__FOO = 'hit')
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]);
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expect(error).toBe(null);
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});
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it('should throw on bad polling value', async({page, server}) => {
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let error = null;
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try {
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await page.waitForFunction(() => !!document.body, {}, {polling: 'unknown'});
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} catch (e) {
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error = e;
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}
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expect(error).toBeTruthy();
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expect(error.message).toContain('polling');
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});
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it('should throw negative polling interval', async({page, server}) => {
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let error = null;
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try {
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await page.waitForFunction(() => !!document.body, {}, {polling: -10});
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} catch (e) {
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error = e;
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}
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expect(error).toBeTruthy();
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expect(error.message).toContain('Cannot poll with non-positive interval');
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});
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it('should return the success value as a JSHandle', async({page}) => {
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expect(await (await page.waitForFunction(() => 5)).jsonValue()).toBe(5);
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});
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it('should return the window as a success value', async({ page }) => {
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expect(await page.waitForFunction(() => window)).toBeTruthy();
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});
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it('should accept ElementHandle arguments', async({page}) => {
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await page.setContent('<div></div>');
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const div = await page.$('div');
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let resolved = false;
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const waitForFunction = page.waitForFunction(element => !element.parentElement, div).then(() => resolved = true);
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expect(resolved).toBe(false);
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await page.evaluate(element => element.remove(), div);
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await waitForFunction;
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});
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it('should respect timeout', async({page}) => {
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let error = null;
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await page.waitForFunction('false', {}, {timeout: 10}).catch(e => error = e);
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expect(error).toBeTruthy();
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expect(error.message).toContain('Timeout 10ms exceeded during page.waitForFunction');
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expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
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});
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it('should respect default timeout', async({page}) => {
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page.setDefaultTimeout(1);
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let error = null;
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await page.waitForFunction('false').catch(e => error = e);
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expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
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expect(error.message).toContain('Timeout 1ms exceeded during page.waitForFunction');
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});
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it('should disable timeout when its set to 0', async({page}) => {
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const watchdog = page.waitForFunction(() => {
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window.__counter = (window.__counter || 0) + 1;
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return window.__injected;
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}, {}, {timeout: 0, polling: 10});
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await page.waitForFunction(() => window.__counter > 10);
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await page.evaluate(() => window.__injected = true);
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await watchdog;
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});
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it('should survive cross-process navigation', async({page, server}) => {
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let fooFound = false;
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const waitForFunction = page.waitForFunction('window.__FOO === 1').then(() => fooFound = true);
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await page.goto(server.EMPTY_PAGE);
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expect(fooFound).toBe(false);
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await page.reload();
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expect(fooFound).toBe(false);
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await page.goto(server.CROSS_PROCESS_PREFIX + '/grid.html');
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expect(fooFound).toBe(false);
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await page.evaluate(() => window.__FOO = 1);
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await waitForFunction;
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expect(fooFound).toBe(true);
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});
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it('should survive navigations', async({page, server}) => {
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const watchdog = page.waitForFunction(() => window.__done);
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await page.goto(server.EMPTY_PAGE);
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await page.goto(server.PREFIX + '/consolelog.html');
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await page.evaluate(() => window.__done = true);
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await watchdog;
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});
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it('should work with multiline body', async({page, server}) => {
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const result = await page.waitForFunction(`
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(() => true)()
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`);
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expect(await result.jsonValue()).toBe(true);
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});
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it('should wait for predicate with arguments', async({page, server}) => {
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await page.waitForFunction(({arg1, arg2}) => arg1 + arg2 === 3, { arg1: 1, arg2: 2});
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});
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});
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describe('Frame.waitForSelector', function() {
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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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await page.waitForSelector('*', { waitFor: 'attached' }).catch(e => error = e);
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expect(error.message).toBe('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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await page.waitForSelector('*', { waitFor: 'visible' }).catch(e => error = e);
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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('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(`Timeout 5000ms exceeded during frame.waitForSelector.`);
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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(`Timeout 5000ms exceeded during frame.waitForSelector.`);
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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.$ waitFor is shortcut for main frame', async({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
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await utils.attachFrame(page, 'frame1', server.EMPTY_PAGE);
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const 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 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('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 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.waitForSelector('.box').catch(e => waitError = e);
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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('waitForFunction failed: frame got detached.');
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});
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it('should survive cross-process navigation', async({page, server}) => {
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let boxFound = false;
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const waitForSelector = page.waitForSelector('.box').then(() => boxFound = true);
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await page.goto(server.EMPTY_PAGE);
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expect(boxFound).toBe(false);
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await page.reload();
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expect(boxFound).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(boxFound).toBe(true);
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});
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it('should wait for visible', async({page, server}) => {
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let divFound = false;
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const waitForSelector = page.waitForSelector('div').then(() => divFound = true);
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await page.setContent(`<div style='display: none; visibility: hidden;'>1</div>`);
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expect(divFound).toBe(false);
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await page.evaluate(() => document.querySelector('div').style.removeProperty('display'));
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expect(divFound).toBe(false);
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await page.evaluate(() => document.querySelector('div').style.removeProperty('visibility'));
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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 not consider visible when zero-sized', async({page, server}) => {
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await page.setContent(`<div style='width: 0; height: 0;'>1</div>`);
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let error = await page.waitForSelector('div', { timeout: 1000 }).catch(e => e);
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expect(error.message).toContain('Timeout 1000ms exceeded during page.waitForSelector');
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await page.evaluate(() => document.querySelector('div').style.width = '10px');
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error = await page.waitForSelector('div', { timeout: 1000 }).catch(e => e);
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expect(error.message).toContain('Timeout 1000ms exceeded during page.waitForSelector');
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await page.evaluate(() => document.querySelector('div').style.height = '10px');
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expect(await page.waitForSelector('div', { timeout: 1000 })).toBeTruthy();
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});
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it('should wait for visible recursively', async({page, server}) => {
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let divVisible = false;
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const waitForSelector = page.waitForSelector('div#inner').then(() => divVisible = true);
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await page.setContent(`<div style='display: none; visibility: hidden;'><div id="inner">hi</div></div>`);
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expect(divVisible).toBe(false);
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await page.evaluate(() => document.querySelector('div').style.removeProperty('display'));
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expect(divVisible).toBe(false);
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await page.evaluate(() => document.querySelector('div').style.removeProperty('visibility'));
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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 hidden', async({page, server}) => {
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let divHidden = false;
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await page.setContent(`<div style='display: block;'>content</div>`);
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const waitForSelector = page.waitForSelector('div', { state: 'hidden' }).then(() => divHidden = true);
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await page.waitForSelector('div'); // do a round trip
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expect(divHidden).toBe(false);
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await page.evaluate(() => document.querySelector('div').style.setProperty('visibility', 'hidden'));
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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({page, server}) => {
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let divHidden = false;
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await page.setContent(`<div style='display: block;'>content</div>`);
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const waitForSelector = page.waitForSelector('div', { state: 'hidden' }).then(() => divHidden = true);
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await page.waitForSelector('div'); // do a round trip
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expect(divHidden).toBe(false);
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await page.evaluate(() => document.querySelector('div').style.setProperty('display', 'none'));
|
|
expect(await waitForSelector).toBe(true);
|
|
expect(divHidden).toBe(true);
|
|
});
|
|
it('hidden should wait for removal', async({page, server}) => {
|
|
await page.setContent(`<div>content</div>`);
|
|
let divRemoved = false;
|
|
const waitForSelector = page.waitForSelector('div', { state: 'hidden' }).then(() => divRemoved = true);
|
|
await page.waitForSelector('div'); // do a round trip
|
|
expect(divRemoved).toBe(false);
|
|
await page.evaluate(() => document.querySelector('div').remove());
|
|
expect(await waitForSelector).toBe(true);
|
|
expect(divRemoved).toBe(true);
|
|
});
|
|
it('should return null if waiting to hide non-existing element', async({page, server}) => {
|
|
const handle = await page.waitForSelector('non-existing', { state: 'hidden' });
|
|
expect(handle).toBe(null);
|
|
});
|
|
it('should respect timeout', async({page, server}) => {
|
|
let error = null;
|
|
await page.waitForSelector('div', { timeout: 10, state: 'attached' }).catch(e => error = e);
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain('Timeout 10ms exceeded during page.waitForSelector');
|
|
expect(error.message).toContain('waiting for selector "div"');
|
|
expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
|
|
});
|
|
it('should have an error message specifically for awaiting an element to be hidden', async({page, server}) => {
|
|
await page.setContent(`<div>content</div>`);
|
|
let error = null;
|
|
await page.waitForSelector('div', { state: 'hidden', timeout: 1000 }).catch(e => error = e);
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain('Timeout 1000ms exceeded during page.waitForSelector');
|
|
expect(error.message).toContain('waiting for selector "div" to be hidden');
|
|
});
|
|
it('should respond to node attribute mutation', async({page, server}) => {
|
|
let divFound = false;
|
|
const waitForSelector = page.waitForSelector('.zombo', { state: 'attached'}).then(() => divFound = true);
|
|
await page.setContent(`<div class='notZombo'></div>`);
|
|
expect(divFound).toBe(false);
|
|
await page.evaluate(() => document.querySelector('div').className = 'zombo');
|
|
expect(await waitForSelector).toBe(true);
|
|
});
|
|
it('should return the element handle', async({page, server}) => {
|
|
const waitForSelector = page.waitForSelector('.zombo');
|
|
await page.setContent(`<div class='zombo'>anything</div>`);
|
|
expect(await page.evaluate(x => x.textContent, await waitForSelector)).toBe('anything');
|
|
});
|
|
it('should have correct stack trace for timeout', async({page, server}) => {
|
|
let error;
|
|
await page.waitForSelector('.zombo', { timeout: 10 }).catch(e => error = e);
|
|
expect(error.stack).toContain('waittask.spec.js');
|
|
});
|
|
it('should throw for unknown waitFor option', async({page, server}) => {
|
|
await page.setContent('<section>test</section>');
|
|
const error = await page.waitForSelector('section', { state: 'foo' }).catch(e => e);
|
|
expect(error.message).toContain('Unsupported waitFor option');
|
|
});
|
|
it('should throw for visibility option', async({page, server}) => {
|
|
await page.setContent('<section>test</section>');
|
|
const error = await page.waitForSelector('section', { visibility: 'hidden' }).catch(e => e);
|
|
expect(error.message).toBe('options.visibility is not supported, did you mean options.state?');
|
|
});
|
|
it('should throw for true waitFor option', async({page, server}) => {
|
|
await page.setContent('<section>test</section>');
|
|
const error = await page.waitForSelector('section', { state: true }).catch(e => e);
|
|
expect(error.message).toContain('Unsupported waitFor option');
|
|
});
|
|
it('should throw for false waitFor option', async({page, server}) => {
|
|
await page.setContent('<section>test</section>');
|
|
const error = await page.waitForSelector('section', { state: false }).catch(e => e);
|
|
expect(error.message).toContain('Unsupported waitFor option');
|
|
});
|
|
it('should support >> selector syntax', async({page, server}) => {
|
|
await page.goto(server.EMPTY_PAGE);
|
|
const frame = page.mainFrame();
|
|
const watchdog = frame.waitForSelector('css=div >> css=span', { state: 'attached'});
|
|
await frame.evaluate(addElement, 'br');
|
|
await frame.evaluate(addElement, 'div');
|
|
await frame.evaluate(() => document.querySelector('div').appendChild(document.createElement('span')));
|
|
const eHandle = await watchdog;
|
|
const tagName = await eHandle.getProperty('tagName').then(e => e.jsonValue());
|
|
expect(tagName).toBe('SPAN');
|
|
});
|
|
it('should wait for detached if already detached', async({page, server}) => {
|
|
await page.setContent('<section id="testAttribute">43543</section>');
|
|
expect(await page.waitForSelector('css=div', { state: 'detached'})).toBe(null);
|
|
});
|
|
it('should wait for detached', async({page, server}) => {
|
|
await page.setContent('<section id="testAttribute"><div>43543</div></section>');
|
|
let done = false;
|
|
const waitFor = page.waitForSelector('css=div', { state: 'detached'}).then(() => done = true);
|
|
expect(done).toBe(false);
|
|
await page.waitForSelector('css=section');
|
|
expect(done).toBe(false);
|
|
await page.$eval('div', div => div.remove());
|
|
expect(await waitFor).toBe(true);
|
|
expect(done).toBe(true);
|
|
});
|
|
});
|
|
|
|
describe('Frame.waitForSelector xpath', function() {
|
|
const addElement = tag => document.body.appendChild(document.createElement(tag));
|
|
|
|
it('should support some fancy xpath', async({page, server}) => {
|
|
await page.setContent(`<p>red herring</p><p>hello world </p>`);
|
|
const waitForXPath = page.waitForSelector('//p[normalize-space(.)="hello world"]');
|
|
expect(await page.evaluate(x => x.textContent, await waitForXPath)).toBe('hello world ');
|
|
});
|
|
it('should respect timeout', async({page}) => {
|
|
let error = null;
|
|
await page.waitForSelector('//div', { state: 'attached', timeout: 10 }).catch(e => error = e);
|
|
expect(error).toBeTruthy();
|
|
expect(error.message).toContain('Timeout 10ms exceeded during page.waitForSelector');
|
|
expect(error.message).toContain('waiting for selector "//div"');
|
|
expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
|
|
});
|
|
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 waitForXPathPromise = frame2.waitForSelector('//div', { state: 'attached' });
|
|
await frame1.evaluate(addElement, 'div');
|
|
await frame2.evaluate(addElement, 'div');
|
|
const eHandle = await waitForXPathPromise;
|
|
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('//*[@class="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 return the element handle', async({page, server}) => {
|
|
const waitForXPath = page.waitForSelector('//*[@class="zombo"]');
|
|
await page.setContent(`<div class='zombo'>anything</div>`);
|
|
expect(await page.evaluate(x => x.textContent, await waitForXPath)).toBe('anything');
|
|
});
|
|
it('should allow you to select an element with single slash', async({page, server}) => {
|
|
await page.setContent(`<div>some text</div>`);
|
|
const waitForXPath = page.waitForSelector('//html/body/div');
|
|
expect(await page.evaluate(x => x.textContent, await waitForXPath)).toBe('some text');
|
|
});
|
|
});
|