How to mock APIs in Playwright without false positives
Learn when to use route.fulfill, route.fetch, or HAR in Playwright, then pair the mock with a real check so API failures stay visible in your CI suite.
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Testing
9 articles · practical guides & tutorials by Samuel Fajreldines
In-depth Testing articles, hands-on guides and tutorials by Samuel Fajreldines — 9 expert posts on Testing for software engineers.
Articles in Testing
Testing AI agents: mock the model or use the real API?
Split AI agent tests into 4 layers: pure code, tools, the real model, and review. Use mocks without false confidence, then run a small real-model eval.
AI-generated Playwright tests: how to avoid false positives
Learn how to validate AI-generated Playwright tests, detect weak assertions, and require browser evidence before trusting CI.
All the Types of Tests in Software Development
Explore the comprehensive range of software development tests, from unit testing to performance testing, with real examples using JavaScript and Node.js to…
What Are End-to-End Tests and How to Implement Them with Playwright
Discover what end-to-end tests are, why they matter for modern web applications, and how to implement them using Playwright to ensure robust, reliable user…
Elevate Your Testing Strategy with Typegoose and mongodb-memory-server
Learn how to effectively use Typegoose, mongodb-memory-server, and the Service Pattern to create reliable, maintainable, and scalable tests in modern…
Mastering Web Testing with Playwright: Why It's Essential and How to Get Started
Discover why Playwright is revolutionizing web testing and learn how to create robust, reliable automated tests with this comprehensive guide.
The Ultimate Guide to Cypress: Introduction, Implementation, and Example Project
A comprehensive guide on Cypress for end-to-end testing, covering what it is, how to implement it, and building an example system.
Mastering Jest: A Complete Guide to Testing React Applications
Learn what Jest is and how to use it for testing React applications. This comprehensive guide covers everything you need to know to get started with Jest and…