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d4482f3ad3
This method is most often overridden by some bad polyfill that does not work correctly and breaks `$eval` and `$$eval` methods. As a best-effort fix, use a `[...iterable]` throughout the code.
86 lines
4.0 KiB
TypeScript
86 lines
4.0 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 { test as it, expect } from './pageTest';
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it('should work with css selector', async ({page, server}) => {
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await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>');
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const divsCount = await page.$$eval('css=div', divs => divs.length);
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expect(divsCount).toBe(3);
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});
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it('should work with text selector', async ({page, server}) => {
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await page.setContent('<div>hello</div><div>beautiful</div><div>beautiful</div><div>world!</div>');
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const divsCount = await page.$$eval('text="beautiful"', divs => divs.length);
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expect(divsCount).toBe(2);
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});
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it('should work with xpath selector', async ({page, server}) => {
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await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>');
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const divsCount = await page.$$eval('xpath=/html/body/div', divs => divs.length);
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expect(divsCount).toBe(3);
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});
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it('should auto-detect css selector', async ({page, server}) => {
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await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>');
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const divsCount = await page.$$eval('div', divs => divs.length);
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expect(divsCount).toBe(3);
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});
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it('should support >> syntax', async ({page, server}) => {
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await page.setContent('<div><span>hello</span></div><div>beautiful</div><div><span>wo</span><span>rld!</span></div><span>Not this one</span>');
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const spansCount = await page.$$eval('css=div >> css=span', spans => spans.length);
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expect(spansCount).toBe(3);
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});
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it('should support * capture', async ({page, server}) => {
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await page.setContent('<section><div><span>a</span></div></section><section><div><span>b</span></div></section>');
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expect(await page.$$eval('*css=div >> "b"', els => els.length)).toBe(1);
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expect(await page.$$eval('section >> *css=div >> "b"', els => els.length)).toBe(1);
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expect(await page.$$eval('section >> *', els => els.length)).toBe(4);
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await page.setContent('<section><div><span>a</span><span>a</span></div></section>');
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expect(await page.$$eval('*css=div >> "a"', els => els.length)).toBe(1);
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expect(await page.$$eval('section >> *css=div >> "a"', els => els.length)).toBe(1);
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await page.setContent('<div><span>a</span></div><div><span>a</span></div><section><div><span>a</span></div></section>');
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expect(await page.$$eval('*css=div >> "a"', els => els.length)).toBe(3);
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expect(await page.$$eval('section >> *css=div >> "a"', els => els.length)).toBe(1);
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});
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it('should support * capture when multiple paths match', async ({page, server}) => {
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await page.setContent('<div><div><span></span></div></div><div></div>');
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expect(await page.$$eval('*css=div >> span', els => els.length)).toBe(2);
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await page.setContent('<div><div><span></span></div><span></span><span></span></div><div></div>');
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expect(await page.$$eval('*css=div >> span', els => els.length)).toBe(2);
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});
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it('should return complex values', async ({page, server}) => {
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await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>');
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const texts = await page.$$eval('css=div', divs => divs.map(div => div.textContent));
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expect(texts).toEqual(['hello', 'beautiful', 'world!']);
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});
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it('should work with bogus Array.from', async ({page, server}) => {
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await page.setContent('<div>hello</div><div>beautiful</div><div>world!</div>');
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await page.evaluate(() => {
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Array.from = () => [];
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});
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const divsCount = await page.$$eval('css=div', divs => divs.length);
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expect(divsCount).toBe(3);
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});
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