Component Tests — The Layer Between Unit and E2E
Use component tests for UI states that do not need a full journey, and keep end-to-end tests for the paths that do.
Quality Engineering, Automated.
Practical articles on QA automation, Playwright, Java, TypeScript, DevOps, and software engineering.
Latest Posts
Negative Paths in Automation — Empty, Invalid, Timeout, and 5xx
Automate empty states, validation errors, timeouts, and server failures without cloning the happy path.
OWASP ZAP for QA — Scan, Triage, and Stop
Run OWASP ZAP against a staging build, then keep only the findings a developer can act on.
Network Control in Playwright — Mock, Abort, and Fulfill
Use Playwright routing to fulfill, abort, or pass through calls so a UI test fails for the reason you intended.
Risk-Based Regression — What to Run When You Cannot Run Everything
Choose which regression tests run on a pull request, which wait for nightly, and which should leave the suite.
A Practical Roadmap for QA Engineers in 2026
A comprehensive, opinionated guide to skills, tools, and learning paths for QA engineers in 2026. From fundamentals to advanced topics (Playwright, automation strategy, CI/CD, architecture, AI), with.
A Security Testing Mindset for Everyday QA
QA engineers don't need to become AppSec specialists to catch common security issues. Learn practical security threats (XSS, authorization bugs, IDOR, secrets leaks) and a lightweight checklist for.
Performance Testing Basics for Everyday QA
Performance testing isn't just for specialists. Learn when QA engineers should care about performance, how to run smoke performance tests with k6, and how to think about latency and error budgets.
Mutation Testing — Do Your Tests Actually Protect You?
Green CI doesn't guarantee good tests. Mutation testing reveals whether your test suite actually catches bugs or just exercises code. Learn how mutation testing works, when it's worth the cost, and.
Cypress vs Playwright — Choosing for Your Stack
Cypress and Playwright are both excellent E2E frameworks — but choosing between them requires more than comparing features. Learn the architectural differences, when each framework excels, and how to.