68 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			3.1 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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require('./base.fixture');
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const path = require('path');
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const utils = require('./utils');
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const {FFOX, CHROMIUM, WEBKIT, CHANNEL, USES_HOOKS} = testOptions;
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it('should work', async({page, server}) => {
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  await page.setContent('<html><body><div class="tweet"><div class="like">100</div><div class="retweets">10</div></div></body></html>');
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  const tweet = await page.$('.tweet');
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  const content = await tweet.$eval('.like', node => node.innerText);
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  expect(content).toBe('100');
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});
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it('should retrieve content from subtree', async({page, server}) => {
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  const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"><div class="a">a-child-div</div></div>';
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  await page.setContent(htmlContent);
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  const elementHandle = await page.$('#myId');
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  const content = await elementHandle.$eval('.a', node => node.innerText);
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  expect(content).toBe('a-child-div');
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});
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it('should throw in case of missing selector', async({page, server}) => {
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  const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"></div>';
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  await page.setContent(htmlContent);
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  const elementHandle = await page.$('#myId');
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  const errorMessage = await elementHandle.$eval('.a', node => node.innerText).catch(error => error.message);
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  expect(errorMessage).toContain(`Error: failed to find element matching selector ".a"`);
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});
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it('should work for all', async({page, server}) => {
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  await page.setContent('<html><body><div class="tweet"><div class="like">100</div><div class="like">10</div></div></body></html>');
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  const tweet = await page.$('.tweet');
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  const content = await tweet.$$eval('.like', nodes => nodes.map(n => n.innerText));
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  expect(content).toEqual(['100', '10']);
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});
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it('should retrieve content from subtree for all', async({page, server}) => {
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  const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"><div class="a">a1-child-div</div><div class="a">a2-child-div</div></div>';
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  await page.setContent(htmlContent);
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  const elementHandle = await page.$('#myId');
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  const content = await elementHandle.$$eval('.a', nodes => nodes.map(n => n.innerText));
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  expect(content).toEqual(['a1-child-div', 'a2-child-div']);
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});
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it('should not throw in case of missing selector for all', async({page, server}) => {
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  const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"></div>';
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  await page.setContent(htmlContent);
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  const elementHandle = await page.$('#myId');
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  const nodesLength = await elementHandle.$$eval('.a', nodes => nodes.length);
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  expect(nodesLength).toBe(0);
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});
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