96 строки
3.9 KiB
TypeScript
96 строки
3.9 KiB
TypeScript
/**
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* Copyright 2018 Google Inc. All rights reserved.
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* Modifications copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { it, expect } from './fixtures';
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it('should query existing element', async ({page, server}) => {
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await page.goto(server.PREFIX + '/playground.html');
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await page.setContent('<html><body><div class="second"><div class="inner">A</div></div></body></html>');
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const html = await page.$('html');
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const second = await html.$('.second');
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const inner = await second.$('.inner');
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const content = await page.evaluate(e => e.textContent, inner);
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expect(content).toBe('A');
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});
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it('should return null for non-existing element', async ({page, server}) => {
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await page.setContent('<html><body><div class="second"><div class="inner">B</div></div></body></html>');
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const html = await page.$('html');
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const second = await html.$('.third');
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expect(second).toBe(null);
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});
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it('should work for adopted elements', async ({page,server}) => {
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await page.goto(server.EMPTY_PAGE);
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const [popup] = await Promise.all([
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page.waitForEvent('popup'),
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page.evaluate(url => window['__popup'] = window.open(url), server.EMPTY_PAGE),
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]);
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const divHandle = await page.evaluateHandle(() => {
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const div = document.createElement('div');
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document.body.appendChild(div);
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const span = document.createElement('span');
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span.textContent = 'hello';
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div.appendChild(span);
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return div;
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});
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expect(await divHandle.$('span')).toBeTruthy();
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expect(await divHandle.$eval('span', e => e.textContent)).toBe('hello');
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await popup.waitForLoadState('domcontentloaded');
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await page.evaluate(() => {
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const div = document.querySelector('div');
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window['__popup'].document.body.appendChild(div);
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});
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expect(await divHandle.$('span')).toBeTruthy();
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expect(await divHandle.$eval('span', e => e.textContent)).toBe('hello');
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});
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it('should query existing elements', async ({page, server}) => {
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await page.setContent('<html><body><div>A</div><br/><div>B</div></body></html>');
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const html = await page.$('html');
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const elements = await html.$$('div');
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expect(elements.length).toBe(2);
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const promises = elements.map(element => page.evaluate(e => e.textContent, element));
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expect(await Promise.all(promises)).toEqual(['A', 'B']);
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});
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it('should return empty array for non-existing elements', async ({page, server}) => {
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await page.setContent('<html><body><span>A</span><br/><span>B</span></body></html>');
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const html = await page.$('html');
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const elements = await html.$$('div');
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expect(elements.length).toBe(0);
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});
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it('xpath should query existing element', async ({page, server}) => {
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await page.goto(server.PREFIX + '/playground.html');
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await page.setContent('<html><body><div class="second"><div class="inner">A</div></div></body></html>');
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const html = await page.$('html');
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const second = await html.$$(`xpath=./body/div[contains(@class, 'second')]`);
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const inner = await second[0].$$(`xpath=./div[contains(@class, 'inner')]`);
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const content = await page.evaluate(e => e.textContent, inner[0]);
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expect(content).toBe('A');
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});
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it('xpath should return null for non-existing element', async ({page, server}) => {
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await page.setContent('<html><body><div class="second"><div class="inner">B</div></div></body></html>');
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const html = await page.$('html');
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const second = await html.$$(`xpath=/div[contains(@class, 'third')]`);
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expect(second).toEqual([]);
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});
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