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November 2025
6 posts
Timestamp Testing: How to Handle Dates and Times in QA Automation
A comprehensive guide to testing timestamps and date-time handling in your APIs and applications. Covers Unix timestamps, ISO 8601, timezone bugs, clock manipulation in tests, and the most common date-related defects in production.
UUIDs in Test Automation: Why, When, and How to Use Them
A practical guide to using UUIDs in your test automation suite. Learn what UUID versions mean, why UUID v4 is the standard for test data, how to generate them in bulk, and common pitfalls when using UUIDs in database-backed tests.
Diff Checking in QA: Comparing Expected vs Actual Like a Pro
How to use text diffing effectively in your QA workflow. From comparing API responses and config files to snapshot testing and visual regression — learn the techniques that make finding differences fast and reliable.
CSV and JSON in Test Automation: Data-Driven Testing Explained
Learn how to use CSV and JSON files for data-driven testing in Playwright, Jest, and other frameworks. Covers when to use each format, how to convert between them, and practical patterns for parameterised test suites.
Base64 Encoding Explained: A Practical Guide for QA Engineers
Understand Base64 encoding and decoding — what it is, why APIs use it, and where QA engineers encounter it in authentication headers, JWT tokens, file uploads, and email encoding. Includes practical examples for test automation.
JWT Security Testing: What Every QA Engineer Must Know
A practical guide to testing JSON Web Token security in your APIs. Learn how to decode JWTs, test for common vulnerabilities like algorithm confusion and expired token acceptance, and build JWT assertions into your automated test suite.
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