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Playwright Architecture — Explained Simply (Step-by-Step)

Playwright Architecture — Explained Simply (Step by Step) Playwright is a powerful framework for automating browsers and running end-to-end tests. Its architecture may look complex at first, but it becomes very easy to understand when we see how a test travels from our code to the actual browser. High-Level Idea From left to right, the data flow looks like this: Your test code (in Java, JS/TS, Python, C#, etc.) 󠀠→ sends commands over a WebSocket 󠀠→ to the Playwright Server (Node.js) 󠀠→ which talks via browser protocols (CDP+) to 󠀠→ real browser engines like Chrome, Firefox, and WebKit. Architecture Diagram (Image) Architecture Diagram (Text Version) ┌────────────────────────────┐ │ Client Libraries │ │ (Java, JS/TS, Python, C#) │ └──────────────┬─────────────┘ │ Test Commands (WebSocket) ▼ ┌────────────────────────┐ │ Playwright Server │ │ (Node.js) ...

Playwright + TypeScript Project Package.json (Explained)

Playwright + TypeScript Project Package.json (Explained) If you're setting up end-to-end testing using Playwright with TypeScript , your package.json file becomes the core configuration hub. It defines dependencies, scripts, tooling, and project metadata. Below is a clean, production-ready example — followed by a full explanation. ✅ Example package.json for Playwright + TypeScript { "name": "playwright-ts-demo", "version": "1.0.0", "private": true, "description": "Playwright end-to-end tests using TypeScript", "scripts": { "test": "playwright test", "test:ui": "playwright test --ui", "test:headed": "playwright test --headed", "test:debug": "playwright test --debug", "codegen": "playwright codegen", "show-report": "playwright show-report", ...

Mastering Generative AI for SDLC: Functional Testing, Automation, and AI Agents in Action

Mastering Generative AI for SDLC: Functional Testing, Automation, and AI Agents 🚀 Mastering Generative AI for SDLC: Functional Testing, Automation, and AI Agents in Action A practical, 10‑module journey for QA Engineers, SDETs, and Test Leaders to apply GenAI across requirements, test case generation, automation, API testing, intelligent bug reporting, and autonomous QA agents in CI/CD. What you’ll build: By the end, you’ll present a working AI‑driven QA pipeline that analyzes requirements, generates and automates tests, runs in CI/CD with a QA agent, auto‑reports defects, and optimizes regression. Table of Contents Module 1 — Introduction to Generative AI in SDLC Module 2 — Requirement Analysis with NLP Module 3 — Test Case Generation (Functional) Module 4 — Test Automation with GenAI Module 5 — API Testing with AI Agen...

How to create the venv — virtual environments on windows and mac

# macOS/Linux # You may need to run 'sudo apt-get install python3-venv` first on Debian-based OSS python3 -m venv .venv # Windows # You can also use `py -3 -m venv .venv python -m venv .venv

CSS Selectors with Playwright - Full Guide 🎯 CSS Selectors in Playwright JavaScript ✅ 1. Tag, ID, and Class Selectors Explanation: The most basic and common CSS selectors. tag – selects all elements of that tag .class – selects by class #id – selects uniquely by ID // Tag await page.click('button'); await page.locator('input').first().fill('Sample'); await page.locator('h1').textContent(); // Class await page.click('.login-btn'); await page.locator('.nav-item').nth(1).click(); await page.locator('.error-message').isVisible(); // ID await page.fill('#username', 'JohnDoe'); await page.fill('#password', 'secret'); await page.click('#submitBtn'); ✅ 2. Attribute Selectors Explanation: Use HTML attributes to target elements. [attr=value] - Exact match [attr^=value] - Starts with [attr$=value] - Ends with [attr*=value] - Contains // Exa...

Playwright Locators in JavaScript (Complete Guide)

🎯 Playwright Locators in JavaScript (Complete Guide) This guide explains each Playwright locator with: ✅ What it is 🕐 When to use ⚙️ How to use it 🎯 Benefits 🧪 Code Examples 🔹 1. Locator by ID ✅ What: Selects an element with a unique id . 🕐 When: Element has a unique id . ⚙️ How: page.locator('#username') 🎯 Benefit: Fast and reliable. <input id="username" /> await page.locator('#username').fill('John'); 🔹 2. Locator by Class ✅ What: Selects by class . 🕐 When: Repeated or styled elements. ⚙️ How: page.locator('.password') 🎯 Benefit: Useful for shared styling. <input class="password" /> await page.locator('.password').fill('12345'); 🔹 3. Locator by Text ✅ What: Matches visible element text. 🕐 When: For buttons, links, etc. ⚙️ How: page.getByText('Login') 🎯 Benefit: Human-readable. <button>Login...