QA Cosmos

In the world of modern application development, user interfaces are often just the tip of the iceberg. Beneath the sleek designs and interactive elements lies a robust layer of Application Programming Interfaces (APIs) that power the application's functionality, data exchange, and business logic. While UI tests are crucial for validating the end-user experience, relying solely on them can lead to slow, brittle, and expensive automation. This is where API testing comes into play. API tests are faster, more stable, and provide earlier feedback, making them an indispensable part of a comprehensive test automation strategy. The good news? If you're already using Playwright for UI automation, you don't need a separate framework for your API tests! Playwright's powerful request context allows you to perform robust API testing directly within your existing test suite. This post will guide you through mastering API testing with Playwright's request context, showing you ho...

   Playwright Interview Questions Playwright has rapidly become a favorite among automation engineers for its speed, reliability, and powerful feature set. If you're eyeing a role in test automation, particularly one that leverages Playwright, being prepared for a range of questions is crucial. This blog post provides a comprehensive list of Playwright interview questions, from fundamental concepts to more advanced topics and real-world problem-solving scenarios, designed to help you showcase your expertise. Foundational Playwright Concepts These questions assess your basic understanding of Playwright's architecture, key components, and core functionalities. What is Playwright, and how does it fundamentally differ from Selenium? Hint: Discuss architecture (WebDriver protocol vs. direct browser interaction), auto-waiting, browser support, isolated contexts, multi-language support. Explain the relationship between Browser , BrowserContext , and Page in Playwright. Hint: Hiera...

Magento applications, with their rich UIs, extensive JavaScript, and reliance on AJAX, often pose unique challenges for test automation. While Playwright's intelligent auto-waiting handles many scenarios, the dynamic nature of Magento's storefront and admin panels demands more sophisticated waiting strategies. This guide explores specific Playwright waiting mechanisms that are particularly effective when automating tests on a Magento base application.                                        1. Embracing Playwright's Auto-Waiting (The Foundation) First and foremost, always leverage Playwright's built-in auto-waiting for actions. This means that when you perform a click() , fill() , check() , etc., Playwright automatically waits for the element to be visible, enabled, stable, and receive events before attempting the action. This is your primary defense against flakiness. JavaScript // Playwr...

When you embark on a Playwright test automation journey, you quickly encounter playwright.config.js . This seemingly humble JavaScript file is, in fact, the central control panel for your entire test suite. It's where you configure browsers, define parallel execution, set timeouts, integrate reporters, and manage various test environments. Understanding playwright.config.js is crucial because it dictates the behavior of your tests without needing to modify individual test files. This makes your framework incredibly flexible, scalable, and adaptable to different testing needs. Let's unravel the key sections of this powerful configuration file. What is playwright.config.js ? At its core, playwright.config.js is a Node.js module that exports a configuration object. Playwright's test runner reads this file to understand: Where to find your tests. Which browsers to run tests on. How many tests to run in parallel. How to report test results. Various timeouts and debugging optio...

Web applications are rarely static. Data loads asynchronously, elements animate in and out, and pages navigate. This dynamic nature means your automation script needs to be smart enough to wait for the application to be ready before interacting with it. Without proper waiting strategies, your tests will consistently break with "element not found," "element not clickable," or "timeout" errors. Playwright offers a sophisticated suite of waiting capabilities, ranging from intelligent auto-waiting for actions to explicit waits for specific network events, page loads, or custom conditions. Understanding and utilizing these waits effectively is fundamental to writing reliable and robust Playwright tests. Playwright's Core Philosophy: Intelligent Auto-Waiting The most significant departure Playwright makes from older automation tools is its built-in auto-waiting mechanism. For nearly all actions (like click() , fill() , check() , selectOption() , etc.), Play...