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65 lines
3.1 KiB
TypeScript
65 lines
3.1 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 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 as HTMLElement).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 as HTMLElement).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 as HTMLElement).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.$$eval('.like', nodes => nodes.map(n => (n as HTMLElement).innerText));
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expect(content).toEqual(['100', '10']);
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});
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it('should retrieve content from subtree for all', async ({page, server}) => {
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const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"><div class="a">a1-child-div</div><div class="a">a2-child-div</div></div>';
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await page.setContent(htmlContent);
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const elementHandle = await page.$('#myId');
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const content = await elementHandle.$$eval('.a', nodes => nodes.map(n => (n as HTMLElement).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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