playwright/tests/page/locator-evaluate.spec.ts

57 lines
2.6 KiB
TypeScript

/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { test as it, expect } from './pageTest';
it('should work @smoke', async ({ page, server }) => {
await page.setContent('<html><body><div class="tweet"><div class="like">100</div><div class="retweets">10</div></div></body></html>');
const tweet = page.locator('.tweet .like');
const content = await tweet.evaluate(node => (node as HTMLElement).innerText);
expect(content).toBe('100');
});
it('should retrieve content from subtree', async ({ page, server }) => {
const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"><div class="a">a-child-div</div></div>';
await page.setContent(htmlContent);
const elementHandle = page.locator('#myId .a');
const content = await elementHandle.evaluate(node => (node as HTMLElement).innerText);
expect(content).toBe('a-child-div');
});
it('should work for all', async ({ page, server }) => {
await page.setContent('<html><body><div class="tweet"><div class="like">100</div><div class="like">10</div></div></body></html>');
const tweet = page.locator('.tweet .like');
const content = await tweet.evaluateAll(nodes => nodes.map(n => (n as HTMLElement).innerText));
expect(content).toEqual(['100', '10']);
});
it('should retrieve content from subtree for all', async ({ page, server }) => {
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>';
await page.setContent(htmlContent);
const element = page.locator('#myId .a');
const content = await element.evaluateAll(nodes => nodes.map(n => (n as HTMLElement).innerText));
expect(content).toEqual(['a1-child-div', 'a2-child-div']);
});
it('should not throw in case of missing selector for all', async ({ page, server }) => {
const htmlContent = '<div class="a">not-a-child-div</div><div id="myId"></div>';
await page.setContent(htmlContent);
const element = page.locator('#myId .a');
const nodesLength = await element.evaluateAll(nodes => nodes.length);
expect(nodesLength).toBe(0);
});