playwright/tests/page/selectors-react.spec.ts

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/**
* 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';
const reacts = {
'react15': '/reading-list/react15.html',
'react16': '/reading-list/react16.html',
'react17': '/reading-list/react17.html',
};
for (const [name, url] of Object.entries(reacts)) {
it.describe(name, () => {
it.beforeEach(async ({page, server}) => {
await page.goto(server.PREFIX + url);
});
it('should work with single-root elements', async ({page}) => {
expect(await page.$$eval(`react=BookList`, els => els.length)).toBe(1);
expect(await page.$$eval(`react=BookItem`, els => els.length)).toBe(3);
expect(await page.$$eval(`react=BookList >> react=BookItem`, els => els.length)).toBe(3);
expect(await page.$$eval(`react=BookItem >> react=BookList`, els => els.length)).toBe(0);
});
it('should work with multi-root elements (fragments)', async ({page}) => {
it.skip(name === 'react15', 'React 15 does not support fragments');
expect(await page.$$eval(`react=App`, els => els.length)).toBe(5);
expect(await page.$$eval(`react=AppHeader`, els => els.length)).toBe(2);
expect(await page.$$eval(`react=NewBook`, els => els.length)).toBe(2);
});
it('should not crash when there is no match', async ({page}) => {
expect(await page.$$eval(`react=Apps`, els => els.length)).toBe(0);
expect(await page.$$eval(`react=BookLi`, els => els.length)).toBe(0);
});
it('should compose', async ({page}) => {
expect(await page.$eval(`react=NewBook >> react=button`, el => el.textContent)).toBe('new book');
expect(await page.$eval(`react=NewBook >> react=input`, el => el.tagName)).toBe('INPUT');
expect(await page.$eval(`react=BookItem >> text=Gatsby`, el => el.textContent)).toBe('The Great Gatsby');
});
});
}