What are the key features and capabilities of Playwright?


Automate Web Browsers

Playwright is a powerful Node.js library that lets you automate web browsers like Chrome, Firefox, and Safari. You can use it for end-to-end testing, web scraping, automating repetitive tasks, and more.

Run Tests in Multiple Browsers

One of the best features of Playwright is its ability to run tests across different browsers without modifying your code. With @playwright/test, you can write your tests once and execute them in multiple browser environments.

import { test, expect } from '@playwright/test';

test('Check homepage title', async ({ page }) => {
  await page.goto('https://ray.run/');
  const title = await page.title();

Interact with Modern Web Technologies

Playwright supports modern web technologies like Web Components and Shadow DOM, making it easy to test applications that use these features.

Built-in Reporters

Playwright offers built-in reporters for generating test reports in various formats, such as JSON or plain text. You can also create custom reporters for more control over your test results display.

Component Testing

Playwright has experimental support for component testing with popular frameworks like React, Svelte, Vue.js, and Solid.js. It wraps @playwright/test and provides a built-in fixture called mount for easy component mounting during testing.

import { test } from '@playwright/test';
import { mount } from '@playwright/test-react';
import { MyComponent } from './MyComponent';

test('renders correctly', async ({ page }) => {
  await mount(page, () => <MyComponent />);
  const text = await page.textContent('h1');
  expect(text).toBe('Hello, Playwright!');

Stay Up-to-Date

Keeping your Playwright version updated ensures that you can test your app on the latest browser versions, helping you catch failures early in the development process.

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Rayrun is a community for QA engineers. I am constantly looking for new ways to add value to people learning Playwright and other browser automation frameworks. If you have feedback, email luc@ray.run.