Setting Up Playwright with Node.js

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Setting Up Playwright with Node.js

In today’s fast-paced web development environment, automated testing plays a crucial role in ensuring application quality. Playwright, a powerful end-to-end testing framework developed by Microsoft, stands out with its support for modern browsers, robust API, and cross-language compatibility. If you're working with Node.js, Playwright integrates seamlessly to provide fast and reliable browser automation. Here’s how to get started.

Step 1: Prerequisites

Before you begin, ensure that you have Node.js installed. You can download the latest version from nodejs.org. Verify installation by running:

bash

node -v

npm -v

Step 2: Initialize Your Project

Create a new directory for your project and initialize it with npm:

bash

mkdir playwright-node-setup  

cd playwright-node-setup  

npm init -y  

Step 3: Install Playwright

Install Playwright using npm. This will also install browser binaries for Chromium, Firefox, and WebKit.

bash

npm install -D playwright  

If you want to install only specific browsers, you can do:

bash

npm i -D playwright-chromium  

Step 4: Write Your First Test

Create a new JavaScript file named test.js and add the following code:

javascript

const { chromium } = require('playwright');

(async () => {

  const browser = await chromium.launch();

  const page = await browser.newPage();

  await page.goto('https://example.com');

  console.log(await page.title());

  await browser.close();

})();

Run the test using:

bash

node test.js  

Step 5: Using Playwright Test Runner

For more structured testing, use the official Playwright Test runner:

bash

npm install -D @playwright/test  

Add a sample test:

javascript

// example.spec.js

const { test, expect } = require('@playwright/test');

test('homepage has title', async ({ page }) => {

  await page.goto('https://example.com');

  await expect(page).toHaveTitle('Example Domain');

});

Update package.json scripts:

json

"scripts": {

  "test": "npx playwright test"

}

Then run:

bash

npm test  

Conclusion

Setting up Playwright with Node.js is simple and powerful. Whether you're testing a single page or automating complex user journeys across browsers, Playwright provides the tools you need for fast and reliable testing. By integrating Playwright early in your development workflow, you can ensure higher quality, faster releases, and better user experiences.

Read More

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What is Playwright? An Introduction

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