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Validation Lab

Interactive QA Practice Platform for manual testing, automation learning, debugging skills, and real-world QA engineering.

Practice Modules

Real Scenarios

Automation Labs

Free

Access

Test run

✓ login.spec.ts

✓ wallet-deposit.spec.ts

⋯ api-mock.spec.ts

QA workspace

Assertions

await expect(page).toHaveURL(/bug-playground/);

API

E2E

Network

200 · /api/users

mock · 42ms

What Can You Do Here?

Sharpen manual and automation skills with interactive surfaces, guided scenarios, and labs that mirror real releases.

Practice UI Testing

Buttons, forms, dropdowns, tables, validations

Learn Playwright

Selectors, waits, keyboard, assertions, POM

Real User Flows

Bug Playground

Post-login defects: reporting, locators, automation stubs

API Testing

Swagger reference plus QA bug investigation

Career Growth

Interview prep, QA roadmap, mindset

Popular Practice Modules

High-traffic drills that map cleanly to job interviews and production smoke suites.

Buttons Practice

Primary, async, and disabled click paths.

Inputs Practice

Validation messages and masking.

Keyboard Keys

Focus rings and combo shortcuts.

Dropdown Testing

Native select and open state.

Dynamic Table

Search, filters, pagination, and row actions.

File Upload

Chooser and size constraints.

Infinite Scroll

Threshold and lazy rendering.

Date Picker

Calendars and range selection.

Real QA Scenarios

End-to-end stories with acceptance-style criteria — ideal for manual exploration and automation homework.

IntermediateManualAutomation

Login Failure Investigation

BeginnerManualAutomation

OTP Input Testing

IntermediateManualAutomation

Search Debounce Testing

AdvancedManualAutomation

Checkout Validation

IntermediateManualAutomation

Wallet Transaction Flow

AdvancedManualAutomation

Promo Code Bug Hunt

Automation Lab

Playwright-forward demos and concepts you can lift into your own repositories.

Playwright Selectors Lab

Resilient locators and structure.

Wait Strategy Guide

Network timing without brittle sleeps.

Retry Logic Demo

Async buttons, loaders, and stable assertions.

Page Object Model Demo

Layered pages and typed flows.

API Mocking Lab

Routes, latency, and JSON contracts.

CI Pipeline Dashboard

Run summaries and quality signals.

API Docs + QA Testing Lab

Start with Swagger-style API reference, then jump into a QA investigation lab to validate responses, find hidden backend bugs, and automate with Playwright.

API Docs owns reference and “Try it out.” API Testing Lab owns investigation: progress tracking, response manipulation, compare mode, bug reveal, and Playwright assertions.

Recommended Path

A practical sequence for new visitors — from tactile UI drills to scenarios and automation depth.

Why Validation Lab Exists

A practice surface for engineers who care about evidence, clarity, and shipping with confidence.

Most QA portfolios only list skills. Validation Lab lets people practice real testing scenarios, learn automation concepts, and improve engineering thinking.

Useful

Every screen exists to answer an interview or sprint question.

Interactive

Click through flows instead of reading slideware.

Real-world

Auth, money movement, admin tables, and flaky timing.

Built by Hasan Akdoğan

QA Automation Engineer focused on practical learning, quality engineering, and modern test automation.