Articles
Practical guides on QA automation, testing tools, and engineering career.
Loading...
Playwright
Getting Started with Playwright: Your First Tests in 30 Minutes
Install Playwright, write your first test, and understand why every new project is choosing it over Selenium.
10 min read
Playwright
Test Automation Best Practices That Actually Matter
The practices that separate maintainable test suites from ones that nobody wants to touch six months later.
12 min read
Playwright
Debugging Flaky Tests: A Practical Guide
Flaky tests pass sometimes and fail other times for no obvious reason. Here's a systematic approach to finding and fixing them.
10 min read
Playwright
Page Object Model in Playwright: From Messy to Maintainable
When your test file hits 300 lines and everyone is afraid to touch it — that's when you need Page Object Model. Here's how to build it properly.
14 min read
Playwright
Playwright in 2026: Why It Became the #1 Test Framework
Selenium was the standard for years. Playwright replaced it. Here is what changed, why it happened, and what it means for your learning path.
9 min read
Playwright
Installing Playwright: Step-by-Step Setup Guide (2026)
From zero to a passing test in 10 minutes. Everything you need to install, configure, and run your first Playwright test.
8 min read
Playwright
Playwright Locators: getByRole, getByLabel, getByText, getByTestId Compared
The locator you pick determines whether your tests survive a redesign or break on every commit. Here is which one to use and when.
10 min read
Playwright
Playwright vs Cypress vs Selenium in 2026: Honest Comparison
Three frameworks, real trade-offs, no marketing. Which one to choose for a new project and when to stick with what you have.
11 min read
Playwright
The Real Cost of Flaky Tests: Playwright vs Selenium
Flaky tests are the most expensive problem in test automation that most teams don't measure. Here's what the actual cost is and how Playwright's architecture changes the math.
11 min read
Playwright
Playwright Assertions: The Complete Guide
Without assertions, you're just clicking around a page. This guide covers every assertion type in Playwright — what each checks, when to use it, and the traps that catch beginners.
14 min read
Playwright
Custom Fixtures in Playwright: The Pattern That Makes Tests Read Like Prose
Stop copy-pasting login code into every test — learn how to use custom fixtures to inject authenticated state, page objects, and test data automatically.
14 min read
Playwright
Network Interception, Mocking, and Stubbing in Playwright
Learn how to intercept, mock, and stub network requests in Playwright to test error states, speed up your suite, and decouple UI tests from backend dependencies.
13 min read
Playwright
Parallel Execution in Playwright: Workers, Shards, and Sharding for Speed
Learn how to cut Playwright suite runtime with workers, fullyParallel mode, and cross-machine sharding in GitHub Actions.
12 min read
Playwright
Test Isolation: Why Each Playwright Test Should Be Stateless
Shared state between tests is the silent killer of reliable suites — learn exactly how Playwright isolates browser contexts, how to own your data lifecycle, and why isolation is the prerequisite for safe parallel execution.
13 min read
Playwright
Handling Auth in Playwright with storageState (No Logging In Every Test)
UI login in every test is the single biggest performance killer in a Playwright suite — storageState lets you log in once and reuse the session across your entire run.
16 min read
Playwright
Visual Regression Testing with Playwright: toHaveScreenshot Without Applitools
Catch layout regressions, broken styles, and pixel-level changes with Playwright's built-in toHaveScreenshot() — no paid service required.
12 min read
Playwright
Migrating from Selenium (or Cypress) to Playwright: A Practical Playbook
Most teams complete a 500-test Selenium migration in 4–6 weeks — here is the file-by-file playbook that gets you there without breaking CI.
14 min read
Playwright
Multi-Tab, Multi-Window, and iFrame Handling in Playwright
Multi-tab flows break more tests than almost any other scenario — learn how Playwright models pages and contexts, detect new tabs, handle popups and OAuth redirects, and interact with nested iFrames and shadow DOM.
12 min read
Playwright
File Upload and Download in Playwright Tests
Native file dialogs are off-limits to automation — learn how to bypass them with setInputFiles(), filechooser events, and drag-and-drop, then capture and verify downloads.
14 min read
Playwright
Building a Scalable Playwright Test Framework from Scratch
Most Playwright projects start as a flat folder of test files — here is the architecture to build instead, from folder structure to config management to the strangler fig migration pattern.
16 min read
Playwright
Reusable Test Data: Factories, Fixtures, and Faker.js in Playwright
Hardcoded test data is a time bomb — learn to generate unique, realistic data with Faker.js, factory functions, and Playwright fixtures that clean up automatically.
13 min read
Playwright
Playwright Codegen: Record Tests Without Writing Code
Most beginners spend their first hour with Playwright guessing locators and getting them wrong. Codegen skips all of that — you click through the app, and Playwright writes the test code for you in real time.
12 min read
Playwright
Playwright Trace Viewer: Debug Failing Tests Like a Pro
Stop guessing what went wrong. Trace Viewer gives you a full DOM replay of every failing test — here's how to enable it, read it, and fix failures in minutes instead of hours.
10 min read
Playwright
Playwright Test Reports: Built-in HTML vs Allure
The default terminal output tells you what failed. A proper test report tells you why, when, and how often — here's how to set up the built-in HTML reporter and Allure.
11 min read
Playwright
Playwright Environment Configuration: Local, Staging, and Production
Running the same tests against local, staging, and production shouldn't require code changes — here's how to structure environment config properly with dotenv and fixtures.
11 min read
Playwright
Waiting Strategies in Playwright: No More sleep()
Playwright auto-waits for most actions — but not for everything. Here's how the auto-waiting system works, when it falls short, and the right patterns for every waiting scenario.
10 min read
Playwright
Mobile Emulation in Playwright: Responsive and Touch Testing
Test your app at mobile viewport sizes, with touch events and real device user agents — using Playwright's built-in device presets and viewport control.
11 min read
Playwright
Keyboard and Mouse Events in Playwright
Beyond click and fill: how to test keyboard shortcuts, hover states, right-click menus, drag interactions, and complex multi-step mouse and keyboard sequences.
11 min read
Playwright
Cookies and localStorage in Playwright: Read, Set, and Test
Test cookie attributes, pre-seed auth state, verify localStorage persistence, and handle session expiry — all the browser storage patterns you'll need.
12 min read
Playwright
Global Setup and Teardown in Playwright
Run expensive setup once — authenticate, seed a database, start a server — before your entire test suite, and clean up after. No per-test overhead.
12 min read
Playwright
Cross-Browser Testing with Playwright: Chrome, Firefox, Safari
Playwright is the only framework with real Chromium, Firefox, and WebKit support. Here's a tiered cross-browser strategy that gives you broad coverage without tripling CI time.
11 min read
Playwright
How to Read Playwright Error Messages
Playwright's error messages are information-dense — once you know the structure. Learn to read timeout errors, strict mode violations, navigation failures, and execution context errors fast.
11 min read
Playwright
Soft Assertions in Playwright: Check Everything Before Failing
Standard assertions stop the test on the first failure. Soft assertions collect all failures before stopping — useful when you're verifying many independent properties of a page.
9 min read
Playwright
WebSocket Testing in Playwright
Verify WebSocket connections, capture sent and received frames, mock server messages to test real-time UI behavior, and test disconnection handling.
13 min read
Playwright
Advanced Page Object Patterns in Playwright
Base page classes, component objects, page factories, and fluent APIs — the patterns that make POM scale beyond 50 tests without becoming a maintenance burden.
14 min read
Playwright
Environment Variables in Playwright Tests: A Complete Guide
Which configuration belongs in playwright.config.ts and which belongs in environment variables — plus type-safe env access, dotenv setup, and CI secret handling.
12 min read
Playwright
Testing Dropdowns and Select Elements in Playwright
Native selects, custom dropdown libraries, date pickers, multi-selects — each behaves differently under Playwright. Here's the right approach for each type.
10 min read
Playwright
Playwright Test Structure: describe, beforeEach, afterEach, and Hooks
Without structure, tests duplicate setup code and become hard to maintain. test.describe, beforeEach, afterEach, and beforeAll let you organize tests and share setup logic cleanly.
11 min read
Playwright
Playwright Fixtures Explained: From Built-in to Custom
When you write async ({ page }) =>, where does page come from? That's a fixture. Playwright provides page, browser, context, and request automatically — and you can create your own.
12 min read
Playwright
Playwright Config File Explained: Every Option You Need to Know
playwright.config.ts controls browsers, timeouts, retries, reporters, and more. Most tutorials show a minimal config and move on. Here's what every option actually does — with production-ready examples.
11 min read
Playwright
Running Playwright Tests from the CLI: Flags, Filters, and Debugging
npx playwright test is just the start. Filtering by file, test name, or browser. Headed mode, debug mode, UI mode. Sharding for CI. Here's the full CLI reference for daily use.
9 min read
Playwright
TypeScript Interfaces and Types for Page Object Model
TypeScript makes your Page Object Model significantly better. Without types, you pass strings around and hope they're correct. With interfaces, the editor catches mistakes before you run a single test.
10 min read
Playwright
Test Data Management in Playwright: Strategies and Patterns
Bad test data is the most common source of flaky tests. Hard-coded values break when the database changes. Shared accounts cause race conditions in parallel runs. This guide covers practical patterns for managing test data.
12 min read
Playwright
Playwright Component Testing: Testing React/Vue Components in Isolation
Playwright isn't just for full end-to-end tests. With component testing, you mount individual React/Vue components and test them with the same Playwright API — faster than E2E, more realistic than unit tests.
12 min read
Playwright
Playwright Network Interception: Mocking APIs and Controlling Requests
Network interception lets you control what your application receives from the server — without running a real backend. Mock slow APIs to test loading states, simulate errors, block third-party scripts that slow tests down.
12 min read
Playwright
Advanced Page Object Model Patterns in Playwright
Basic POM works for simple pages. But real projects have shared components, dynamic pages, multi-step workflows. This guide covers the patterns that handle real-world complexity — component objects, page chains, builders.
13 min read
Playwright
Cross-Browser Testing Strategies: When and How to Test Multiple Browsers
Every guide says "test in all browsers." But realistically — with limited time and budget — which browsers, which features, and how? This guide gives you a practical strategy instead of theoretical completeness.
11 min read
Playwright
Accessibility Testing with Playwright: Automated a11y Checks
Accessibility testing ensures your application works for users with disabilities. Playwright integrates with axe-core to automate a11y checks — catching missing alt text, form labels, contrast issues, and keyboard navigation problems.
11 min read