868 lines
28 KiB
TypeScript
868 lines
28 KiB
TypeScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import expect from 'expect';
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import {TimeoutError, ElementHandle} from 'puppeteer';
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import {isErrorLike} from 'puppeteer-core/internal/util/ErrorLike.js';
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import {
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createTimeout,
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getTestState,
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setupTestBrowserHooks,
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setupTestPageAndContextHooks,
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} from './mocha-utils.js';
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import {attachFrame, detachFrame} from './utils.js';
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describe('waittask specs', function () {
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setupTestBrowserHooks();
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setupTestPageAndContextHooks();
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describe('Frame.waitForFunction', function () {
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it('should accept a string', async () => {
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const {page} = getTestState();
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const watchdog = page.waitForFunction('self.__FOO === 1');
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await page.evaluate(() => {
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return ((self as unknown as {__FOO: number}).__FOO = 1);
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});
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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 () => {
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const {page} = getTestState();
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await page.evaluateOnNewDocument(() => {
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return ((globalThis as any).__RELOADED = true);
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});
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await page.waitForFunction(() => {
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if (!(globalThis as any).__RELOADED) {
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window.location.reload();
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return false;
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}
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return true;
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});
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});
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it('should poll on interval', async () => {
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const {page} = getTestState();
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const startTime = Date.now();
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const polling = 100;
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const watchdog = page.waitForFunction(
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() => {
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return (globalThis as any).__FOO === 'hit';
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},
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{polling}
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);
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await page.evaluate(() => {
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setTimeout(() => {
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(globalThis as any).__FOO = 'hit';
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}, 50);
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});
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await watchdog;
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expect(Date.now() - startTime).not.toBeLessThan(polling / 2);
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});
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it('should poll on mutation', async () => {
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const {page} = getTestState();
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let success = false;
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const watchdog = page
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.waitForFunction(
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() => {
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return (globalThis as any).__FOO === 'hit';
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},
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{
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polling: 'mutation',
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}
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)
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.then(() => {
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return (success = true);
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});
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await page.evaluate(() => {
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return ((globalThis as any).__FOO = 'hit');
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});
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expect(success).toBe(false);
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await page.evaluate(() => {
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return document.body.appendChild(document.createElement('div'));
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});
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await watchdog;
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});
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it('should poll on mutation async', async () => {
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const {page} = getTestState();
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let success = false;
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const watchdog = page
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.waitForFunction(
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async () => {
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return (globalThis as any).__FOO === 'hit';
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},
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{
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polling: 'mutation',
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}
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)
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.then(() => {
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return (success = true);
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});
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await page.evaluate(async () => {
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return ((globalThis as any).__FOO = 'hit');
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});
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expect(success).toBe(false);
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await page.evaluate(async () => {
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return document.body.appendChild(document.createElement('div'));
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});
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await watchdog;
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});
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it('should poll on raf', async () => {
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const {page} = getTestState();
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const watchdog = page.waitForFunction(
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() => {
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return (globalThis as any).__FOO === 'hit';
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},
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{
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polling: 'raf',
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}
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);
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await page.evaluate(() => {
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return ((globalThis as any).__FOO = 'hit');
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});
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await watchdog;
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});
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it('should poll on raf async', async () => {
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const {page} = getTestState();
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const watchdog = page.waitForFunction(
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async () => {
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return (globalThis as any).__FOO === 'hit';
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},
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{
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polling: 'raf',
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}
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);
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await page.evaluate(async () => {
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return ((globalThis as any).__FOO = 'hit');
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});
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await watchdog;
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});
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it('should work with strict CSP policy', async () => {
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const {page, server} = getTestState();
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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!: Error;
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await Promise.all([
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page
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.waitForFunction(
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() => {
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return (globalThis as any).__FOO === 'hit';
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},
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{
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polling: 'raf',
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}
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)
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.catch(error_ => {
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return (error = error_);
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}),
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page.evaluate(() => {
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return ((globalThis as any).__FOO = 'hit');
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}),
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]);
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expect(error).toBeUndefined();
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});
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it('should throw negative polling interval', async () => {
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const {page} = getTestState();
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let error!: Error;
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try {
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await page.waitForFunction(
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() => {
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return !!document.body;
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},
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{polling: -10}
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);
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} catch (error_) {
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if (isErrorLike(error_)) {
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error = error_ as Error;
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}
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}
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expect(error?.message).toContain(
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'Cannot poll with non-positive interval'
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);
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});
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it('should return the success value as a JSHandle', async () => {
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const {page} = getTestState();
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expect(
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await (
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await page.waitForFunction(() => {
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return 5;
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})
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).jsonValue()
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).toBe(5);
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});
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it('should return the window as a success value', async () => {
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const {page} = getTestState();
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expect(
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await page.waitForFunction(() => {
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return window;
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})
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).toBeTruthy();
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});
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it('should accept ElementHandle arguments', async () => {
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const {page} = getTestState();
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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
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.waitForFunction(
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(element: Element) => {
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return element.localName === 'div' && !element.parentElement;
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},
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{},
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div
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)
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.then(() => {
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return (resolved = true);
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});
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expect(resolved).toBe(false);
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await page.evaluate((element: HTMLElement) => {
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return element.remove();
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}, div);
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await waitForFunction;
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});
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it('should respect timeout', async () => {
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const {page} = getTestState();
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let error!: Error;
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await page
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.waitForFunction(
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() => {
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return false;
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},
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{timeout: 10}
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)
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.catch(error_ => {
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return (error = error_);
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});
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expect(error).toBeInstanceOf(TimeoutError);
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expect(error?.message).toContain('Waiting failed: 10ms exceeded');
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});
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it('should respect default timeout', async () => {
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const {page} = getTestState();
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page.setDefaultTimeout(1);
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let error!: Error;
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await page
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.waitForFunction(() => {
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return false;
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})
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.catch(error_ => {
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return (error = error_);
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});
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expect(error).toBeInstanceOf(TimeoutError);
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expect(error?.message).toContain('Waiting failed: 1ms exceeded');
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});
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it('should disable timeout when its set to 0', async () => {
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const {page} = getTestState();
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const watchdog = page.waitForFunction(
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() => {
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(globalThis as any).__counter =
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((globalThis as any).__counter || 0) + 1;
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return (globalThis as any).__injected;
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},
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{timeout: 0, polling: 10}
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);
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await page.waitForFunction(() => {
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return (globalThis as any).__counter > 10;
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});
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await page.evaluate(() => {
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return ((globalThis as any).__injected = true);
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});
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await watchdog;
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});
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it('should survive cross-process navigation', async () => {
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const {page, server} = getTestState();
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let fooFound = false;
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const waitForFunction = page
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.waitForFunction(() => {
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return (globalThis as unknown as {__FOO: number}).__FOO === 1;
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})
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.then(() => {
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return (fooFound = true);
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});
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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(() => {
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return ((globalThis as any).__FOO = 1);
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});
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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 () => {
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const {page, server} = getTestState();
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const watchdog = page.waitForFunction(() => {
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return (globalThis as any).__done;
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});
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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(() => {
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return ((globalThis as any).__done = true);
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});
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await watchdog;
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});
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it('should be cancellable', async () => {
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const {page, server} = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const abortController = new AbortController();
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const task = page.waitForFunction(
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() => {
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return (globalThis as any).__done;
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},
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{
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signal: abortController.signal,
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}
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);
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abortController.abort();
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await expect(task).rejects.toThrow(/aborted/);
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});
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});
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describe('Page.waitForTimeout', () => {
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it('waits for the given timeout before resolving', async () => {
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const {page, server} = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const startTime = Date.now();
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await page.waitForTimeout(1000);
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const endTime = Date.now();
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/* In a perfect world endTime - startTime would be exactly 1000 but we
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* expect some fluctuations and for it to be off by a little bit. So to
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* avoid a flaky test we'll make sure it waited for roughly 1 second.
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*/
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expect(endTime - startTime).toBeGreaterThan(700);
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expect(endTime - startTime).toBeLessThan(1300);
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});
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});
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describe('Frame.waitForTimeout', () => {
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it('waits for the given timeout before resolving', async () => {
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const {page, server} = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const frame = page.mainFrame();
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const startTime = Date.now();
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await frame.waitForTimeout(1000);
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const endTime = Date.now();
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/* In a perfect world endTime - startTime would be exactly 1000 but we
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* expect some fluctuations and for it to be off by a little bit. So to
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* avoid a flaky test we'll make sure it waited for roughly 1 second
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*/
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expect(endTime - startTime).toBeGreaterThan(700);
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expect(endTime - startTime).toBeLessThan(1300);
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});
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});
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describe('Frame.waitForSelector', function () {
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const addElement = (tag: string) => {
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return document.body.appendChild(document.createElement(tag));
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};
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it('should immediately resolve promise if node exists', async () => {
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const {page, server} = getTestState();
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await page.goto(server.EMPTY_PAGE);
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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');
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});
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it('should be cancellable', async () => {
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const {page, server} = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const abortController = new AbortController();
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const task = page.waitForSelector('wrong', {
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signal: abortController.signal,
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});
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abortController.abort();
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await expect(task).rejects.toThrow(/aborted/);
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});
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it('should work with removed MutationObserver', async () => {
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const {page} = getTestState();
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await page.evaluate(() => {
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// @ts-expect-error We want to remove it for the test.
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return delete window.MutationObserver;
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});
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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(
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await page.evaluate(x => {
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return x?.textContent;
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}, handle)
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).toBe('anything');
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});
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it('should resolve promise when node is added', async () => {
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const {page, server} = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const frame = page.mainFrame();
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const watchdog = frame.waitForSelector('div');
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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 (await eHandle.getProperty('tagName')).jsonValue();
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expect(tagName).toBe('DIV');
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});
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it('should work when node is added through innerHTML', async () => {
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const {page, server} = getTestState();
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await page.goto(server.EMPTY_PAGE);
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const watchdog = page.waitForSelector('h3 div');
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await page.evaluate(addElement, 'span');
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await page.evaluate(() => {
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return (document.querySelector('span')!.innerHTML =
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'<h3><div></div></h3>');
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});
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await watchdog;
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});
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it('Page.waitForSelector is shortcut for main frame', async () => {
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const {page, server} = getTestState();
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await page.goto(server.EMPTY_PAGE);
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await attachFrame(page, 'frame1', server.EMPTY_PAGE);
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const otherFrame = page.frames()[1]!;
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const watchdog = page.waitForSelector('div');
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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(eHandle?.frame).toBe(page.mainFrame());
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});
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it('should run in specified frame', async () => {
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const {page, server} = getTestState();
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await 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');
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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(eHandle?.frame).toBe(frame2);
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});
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it('should throw when frame is detached', async () => {
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const {page, server} = getTestState();
|
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await attachFrame(page, 'frame1', server.EMPTY_PAGE);
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const frame = page.frames()[1]!;
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let waitError: Error | undefined;
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const waitPromise = frame.waitForSelector('.box').catch(error => {
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return (waitError = error);
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});
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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(
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'waitForFunction failed: frame got detached.'
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);
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});
|
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it('should survive cross-process navigation', async () => {
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const {page, server} = getTestState();
|
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|
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let boxFound = false;
|
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const waitForSelector = page.waitForSelector('.box').then(() => {
|
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return (boxFound = true);
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});
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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 element to be visible (display)', async () => {
|
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const {page} = getTestState();
|
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const promise = page.waitForSelector('div', {visible: true});
|
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await page.setContent('<div style="display: none">text</div>');
|
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const element = await page.evaluateHandle(() => {
|
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return document.getElementsByTagName('div')[0]!;
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});
|
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await expect(
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Promise.race([promise, createTimeout(40)])
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).resolves.toBeFalsy();
|
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await element.evaluate(e => {
|
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e.style.removeProperty('display');
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});
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await expect(promise).resolves.toBeTruthy();
|
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});
|
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it('should wait for element to be visible (visibility)', async () => {
|
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const {page} = getTestState();
|
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|
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const promise = page.waitForSelector('div', {visible: true});
|
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await page.setContent('<div style="visibility: hidden">text</div>');
|
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const element = await page.evaluateHandle(() => {
|
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return document.getElementsByTagName('div')[0]!;
|
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});
|
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await expect(
|
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Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
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await element.evaluate(e => {
|
|
e.style.setProperty('visibility', 'collapse');
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
|
await element.evaluate(e => {
|
|
e.style.removeProperty('visibility');
|
|
});
|
|
await expect(promise).resolves.toBeTruthy();
|
|
});
|
|
it('should wait for element to be visible (bounding box)', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const promise = page.waitForSelector('div', {visible: true});
|
|
await page.setContent('<div style="width: 0">text</div>');
|
|
const element = await page.evaluateHandle(() => {
|
|
return document.getElementsByTagName('div')[0]!;
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
|
await element.evaluate(e => {
|
|
e.style.setProperty('height', '0');
|
|
e.style.removeProperty('width');
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
|
await element.evaluate(e => {
|
|
e.style.removeProperty('height');
|
|
});
|
|
await expect(promise).resolves.toBeTruthy();
|
|
});
|
|
it('should wait for element to be visible recursively', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const promise = page.waitForSelector('div#inner', {
|
|
visible: true,
|
|
});
|
|
await page.setContent(
|
|
`<div style='display: none; visibility: hidden;'><div id="inner">hi</div></div>`
|
|
);
|
|
const element = await page.evaluateHandle(() => {
|
|
return document.getElementsByTagName('div')[0]!;
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
|
await element.evaluate(e => {
|
|
return e.style.removeProperty('display');
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
|
await element.evaluate(e => {
|
|
return e.style.removeProperty('visibility');
|
|
});
|
|
await expect(promise).resolves.toBeTruthy();
|
|
});
|
|
it('should wait for element to be hidden (visibility)', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const promise = page.waitForSelector('div', {hidden: true});
|
|
await page.setContent(`<div style='display: block;'>text</div>`);
|
|
const element = await page.evaluateHandle(() => {
|
|
return document.getElementsByTagName('div')[0]!;
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
|
await element.evaluate(e => {
|
|
return e.style.setProperty('visibility', 'hidden');
|
|
});
|
|
await expect(promise).resolves.toBeTruthy();
|
|
});
|
|
it('should wait for element to be hidden (display)', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const promise = page.waitForSelector('div', {hidden: true});
|
|
await page.setContent(`<div style='display: block;'>text</div>`);
|
|
const element = await page.evaluateHandle(() => {
|
|
return document.getElementsByTagName('div')[0]!;
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
|
await element.evaluate(e => {
|
|
return e.style.setProperty('display', 'none');
|
|
});
|
|
await expect(promise).resolves.toBeTruthy();
|
|
});
|
|
it('should wait for element to be hidden (bounding box)', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const promise = page.waitForSelector('div', {hidden: true});
|
|
await page.setContent('<div>text</div>');
|
|
const element = await page.evaluateHandle(() => {
|
|
return document.getElementsByTagName('div')[0]!;
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40)])
|
|
).resolves.toBeFalsy();
|
|
await element.evaluate(e => {
|
|
e.style.setProperty('height', '0');
|
|
});
|
|
await expect(promise).resolves.toBeTruthy();
|
|
});
|
|
it('should wait for element to be hidden (removal)', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const promise = page.waitForSelector('div', {hidden: true});
|
|
await page.setContent(`<div>text</div>`);
|
|
const element = await page.evaluateHandle(() => {
|
|
return document.getElementsByTagName('div')[0]!;
|
|
});
|
|
await expect(
|
|
Promise.race([promise, createTimeout(40, true)])
|
|
).resolves.toBeTruthy();
|
|
await element.evaluate(e => {
|
|
e.remove();
|
|
});
|
|
await expect(promise).resolves.toBeFalsy();
|
|
});
|
|
it('should return null if waiting to hide non-existing element', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const handle = await page.waitForSelector('non-existing', {
|
|
hidden: true,
|
|
});
|
|
expect(handle).toBe(null);
|
|
});
|
|
it('should respect timeout', async () => {
|
|
const {page} = getTestState();
|
|
|
|
let error!: Error;
|
|
await page.waitForSelector('div', {timeout: 10}).catch(error_ => {
|
|
return (error = error_);
|
|
});
|
|
expect(error).toBeInstanceOf(TimeoutError);
|
|
expect(error?.message).toContain(
|
|
'Waiting for selector `div` failed: Waiting failed: 10ms exceeded'
|
|
);
|
|
});
|
|
it('should have an error message specifically for awaiting an element to be hidden', async () => {
|
|
const {page} = getTestState();
|
|
|
|
await page.setContent(`<div>text</div>`);
|
|
let error!: Error;
|
|
await page
|
|
.waitForSelector('div', {hidden: true, timeout: 10})
|
|
.catch(error_ => {
|
|
return (error = error_);
|
|
});
|
|
expect(error).toBeTruthy();
|
|
expect(error?.message).toContain(
|
|
'Waiting for selector `div` failed: Waiting failed: 10ms exceeded'
|
|
);
|
|
});
|
|
|
|
it('should respond to node attribute mutation', async () => {
|
|
const {page} = getTestState();
|
|
|
|
let divFound = false;
|
|
const waitForSelector = page.waitForSelector('.zombo').then(() => {
|
|
return (divFound = true);
|
|
});
|
|
await page.setContent(`<div class='notZombo'></div>`);
|
|
expect(divFound).toBe(false);
|
|
await page.evaluate(() => {
|
|
return (document.querySelector('div')!.className = 'zombo');
|
|
});
|
|
expect(await waitForSelector).toBe(true);
|
|
});
|
|
it('should return the element handle', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const waitForSelector = page.waitForSelector('.zombo');
|
|
await page.setContent(`<div class='zombo'>anything</div>`);
|
|
expect(
|
|
await page.evaluate(x => {
|
|
return x?.textContent;
|
|
}, await waitForSelector)
|
|
).toBe('anything');
|
|
});
|
|
it('should have correct stack trace for timeout', async () => {
|
|
const {page} = getTestState();
|
|
|
|
let error!: Error;
|
|
await page.waitForSelector('.zombo', {timeout: 10}).catch(error_ => {
|
|
return (error = error_);
|
|
});
|
|
expect(error?.stack).toContain(
|
|
'Waiting for selector `.zombo` failed: Waiting failed: 10ms exceeded'
|
|
);
|
|
// The extension is ts here as Mocha maps back via sourcemaps.
|
|
expect(error?.stack).toContain('WaitTask.ts');
|
|
});
|
|
});
|
|
|
|
describe('Frame.waitForXPath', function () {
|
|
const addElement = (tag: string) => {
|
|
return document.body.appendChild(document.createElement(tag));
|
|
};
|
|
|
|
it('should support some fancy xpath', async () => {
|
|
const {page} = getTestState();
|
|
|
|
await page.setContent(`<p>red herring</p><p>hello world </p>`);
|
|
const waitForXPath = page.waitForXPath(
|
|
'//p[normalize-space(.)="hello world"]'
|
|
);
|
|
expect(
|
|
await page.evaluate(x => {
|
|
return x?.textContent;
|
|
}, await waitForXPath)
|
|
).toBe('hello world ');
|
|
});
|
|
it('should respect timeout', async () => {
|
|
const {page} = getTestState();
|
|
|
|
let error!: Error;
|
|
await page.waitForXPath('//div', {timeout: 10}).catch(error_ => {
|
|
return (error = error_);
|
|
});
|
|
expect(error).toBeInstanceOf(TimeoutError);
|
|
expect(error?.message).toContain('Waiting failed: 10ms exceeded');
|
|
});
|
|
it('should run in specified frame', async () => {
|
|
const {page, server} = getTestState();
|
|
|
|
await attachFrame(page, 'frame1', server.EMPTY_PAGE);
|
|
await attachFrame(page, 'frame2', server.EMPTY_PAGE);
|
|
const frame1 = page.frames()[1]!;
|
|
const frame2 = page.frames()[2]!;
|
|
const waitForXPathPromise = frame2.waitForXPath('//div');
|
|
await frame1.evaluate(addElement, 'div');
|
|
await frame2.evaluate(addElement, 'div');
|
|
const eHandle = await waitForXPathPromise;
|
|
expect(eHandle?.frame).toBe(frame2);
|
|
});
|
|
it('should throw when frame is detached', async () => {
|
|
const {page, server} = getTestState();
|
|
|
|
await attachFrame(page, 'frame1', server.EMPTY_PAGE);
|
|
const frame = page.frames()[1]!;
|
|
let waitError: Error | undefined;
|
|
const waitPromise = frame
|
|
.waitForXPath('//*[@class="box"]')
|
|
.catch(error => {
|
|
return (waitError = error);
|
|
});
|
|
await detachFrame(page, 'frame1');
|
|
await waitPromise;
|
|
expect(waitError).toBeTruthy();
|
|
expect(waitError?.message).toContain(
|
|
'waitForFunction failed: frame got detached.'
|
|
);
|
|
});
|
|
it('hidden should wait for display: none', async () => {
|
|
const {page} = getTestState();
|
|
|
|
let divHidden = false;
|
|
await page.setContent(`<div style='display: block;'>text</div>`);
|
|
const waitForXPath = page
|
|
.waitForXPath('//div', {hidden: true})
|
|
.then(() => {
|
|
return (divHidden = true);
|
|
});
|
|
await page.waitForXPath('//div'); // do a round trip
|
|
expect(divHidden).toBe(false);
|
|
await page.evaluate(() => {
|
|
return document
|
|
.querySelector('div')
|
|
?.style.setProperty('display', 'none');
|
|
});
|
|
expect(await waitForXPath).toBe(true);
|
|
expect(divHidden).toBe(true);
|
|
});
|
|
it('hidden should return null if the element is not found', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const waitForXPath = await page.waitForXPath('//div', {hidden: true});
|
|
|
|
expect(waitForXPath).toBe(null);
|
|
});
|
|
it('hidden should return an empty element handle if the element is found', async () => {
|
|
const {page} = getTestState();
|
|
|
|
await page.setContent(`<div style='display: none;'>text</div>`);
|
|
|
|
const waitForXPath = await page.waitForXPath('//div', {hidden: true});
|
|
|
|
expect(waitForXPath).toBeInstanceOf(ElementHandle);
|
|
});
|
|
it('should return the element handle', async () => {
|
|
const {page} = getTestState();
|
|
|
|
const waitForXPath = page.waitForXPath('//*[@class="zombo"]');
|
|
await page.setContent(`<div class='zombo'>anything</div>`);
|
|
expect(
|
|
await page.evaluate(x => {
|
|
return x?.textContent;
|
|
}, await waitForXPath)
|
|
).toBe('anything');
|
|
});
|
|
it('should allow you to select a text node', async () => {
|
|
const {page} = getTestState();
|
|
|
|
await page.setContent(`<div>some text</div>`);
|
|
const text = await page.waitForXPath('//div/text()');
|
|
expect(await (await text!.getProperty('nodeType')!).jsonValue()).toBe(
|
|
3 /* Node.TEXT_NODE */
|
|
);
|
|
});
|
|
it('should allow you to select an element with single slash', async () => {
|
|
const {page} = getTestState();
|
|
|
|
await page.setContent(`<div>some text</div>`);
|
|
const waitForXPath = page.waitForXPath('/html/body/div');
|
|
expect(
|
|
await page.evaluate(x => {
|
|
return x?.textContent;
|
|
}, await waitForXPath)
|
|
).toBe('some text');
|
|
});
|
|
});
|
|
});
|