Modern web applications need more than unit tests.

You also need to test real user flows such as:

Login

Checkout

Form submissions

Navigation

This is where Playwright becomes useful.

Why Playwright?

Playwright is a modern E2E testing framework developed by Microsoft.

Main advantages:

Cross-browser support

Auto waiting

Parallel test execution

Fast and reliable

Works with Chromium, Firefox, and WebKit

Installation

npm init playwright@latest

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Simple Login Test

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

test ( ' user can login ' , async ({ page }) => { await page . goto ( ' https://example.com/login ' );

await page . fill ( ' #email ' , ' [email protected] ' ); await page . fill ( ' #password ' , ' 123456 ' );

await page . click ( ' button[type="submit"] ' );

await expect ( page ).…