The Zero-Drift API Series: Stop Trusting a Green Build You Can't Explain
The Zero-Drift API Series Stop Trusting a Green Build You Can't Explain There is a specific kind of production incident that hurts more than the other…
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The AI Test Report Said 97.3% Coverage. The Client's Lead Engineer Asked One Question. The Room Went Silent.
Based on real QA scenarios. About what happens when AI-generated metrics replace real testing, and the quiet engineer in the back row has been running…
Your Test Suite Now Mostly Proves the AI Agrees With Itself
Picture a renewal call. The client is happy with the work. Then they ask one fair question. "This feature here. Show me the requirement it came from, …
My test suite was green. My software was lying to me.
My CI was green. 1,885 tests, 66 packages, zero failures. go vet clean. The build was a single self-contained binary. By every signal a Go project giv…
Your CI Pipeline Is Lying to You — 5 Signals You're Ignoring (And How to Fix Them)
Your CI pipeline is green. Deployments go through. The team ships features on time. Everything looks fine. But look closer. That "green" pipeline is a…
How to Measure Code Coverage in C++ with Visual Studio 2026
About My Code I'm developing a video game in C++ using SDL3 — a cross-platform library that provides access to accelerated video, audio, controllers, …
Why Jira Is Still the Best Tool for Defect Monitoring and Complex Task Management
Modern software teams move fast. Features are released continuously, bugs need immediate attention, and projects often involve multiple teams working …
The Hidden Cost of Cloud-First API Clients
In modern development workflows, API clients are indispensable tools. API clients let developers inspect, debug, and test endpoints efficiently. Popul…
We Replaced Jest With node:test in 12 Services — Here's What Broke and What Didn't
After months of using Jest for unit testing, we decided to take the plunge and migrate to the built-in node:test runner. The results were surprising, …
I Ship One AI Testing Feature Every Day — Here's What 6 Days Looks Like
I launched swarm-test 6 days ago. It's the first reliability testing tool for multi-agent AI systems. Here's what I've shipped every single day: Day 0…
The Hidden Way Electronics Can Start a Fire — Even Without an Open Flame
Most people assume that electronics catch fire because of an external flame or a dramatic short circuit. In reality, quite a few fires start from some…
We Deleted 10 Real Users with a Test-Cleanup Script — RCA
The incident, in two lines On 2026-05-11 , a test-cleanup script on HoneyChat (Telegram-native AI companion, ~3 months in production, ~300 DAU, Postgr…
JaisCloud — A Free, Single-Binary AWS Emulator in Go
Why We Built JaisCloud — A Free, Single-Binary AWS Emulator in Go If you've ever tried to test AWS-dependent code locally, you've probably reached for…
The Role of QA in the New AI SDLC
QA’s role in the new AI SDLC is no longer just “test the finished application.” It is becoming quality engineering across the entire lifecycle : Requi…
Testing a LiveView App with Playwright: Fixing Navigation Timeouts
I was building a Playwright suite against a Phoenix LiveView app for the first time. Tests ran fine in isolation. Overnight, the full suite timed out …
Testing Turbo Frames in Rails Without a Browser
Turbo Frames are a great way to build interactive pages without writing custom JavaScript. But how do you test them properly? You can reach for system…
Why green CI doesn't mean your system works
A case study: how a TypeScript migration doubled my test runs — with zero failures CI was green. Tests were passing. PRs were merging. The system was …
Персонализация как баг
Персонализация: как мы подстроились под каждого — и сделали хуже всем. Кейс о том, как хорошая гипотеза ломает базовый UX, обещание продукта и бьёт по…
Use Blunt Prompts and Get Shit Done
Do not ask a coding agent for “more tests.” That is how you get coverage theater. Ask for pressure: Increase test coverage by at least 20%. If you can…
Token economics for AI agents: why workflow ownership matters more than task automation
A weak version of AI labor economics sounds like this: A $100,000 knowledge worker can be replaced by a $2,730 token bill. That framing works as a sho…
k6: The Tool, The Philosophy, and Your First Test
I've been going deep on k6, Grafana's open-source load and performance testing tool. This is the first in a four-part series documenting that journey,…
BugBench: a developer origin story and practical guide for VS Code / Kiro users
A short origin: BugBench began as a scrappy NetBeans plugin, matured into CodeRef for IntelliJ with a robust Java/Kotlin analysis engine, and was late…
The Minimum Viable Test Suite for Working with Agents
The advice "you need more tests" is correct in roughly the same way "you should eat better" is correct: technically true, infinitely deferrable, and n…
Why We Deliberately Crush Lithium Batteries (UN38.3 Crush Testing Explained)
Every year, millions of lithium batteries travel across the world inside electric vehicles, e-bikes, power banks, laptops, and drones. Most of them ar…
Stop Flying Blind: We Built an LLM Evaluation Framework That Works Across 17+ Agent Frameworks
Let me be brutally honest with you. I've seen teams demo AI agents that look incredible — smooth responses, beautiful UI, stakeholders impressed. Then…
AI Agent Failure Loops: When Persistence Becomes a Quality Bug
In 2026, I want my AI coding agents to have one more rule: know when to stop. AI agents do not always fail by stopping. Sometimes they fail by continu…
Eval Set Drift: How to Know When Your Golden Set Went Stale
Book: LLM Observability Pocket Guide: Picking the Right Tracing & Evals Tools for Your Team Also by me: Thinking in Go (2-book series) — Complete …
Mutation Testing for Dummies
Tests are important when it comes to implementing source code. Developers need ways to ensure the security of their source code as it becomes more com…
Stop Letting AI Guess Your Playwright Tests: Use Context7 MCP
The problem While working on my Swiftcart QA automation project, I asked my AI agent a simple question: “What’s your knowledge cutoff date?” It answer…
Why We Built TestSmith: The Test Coverage Problem Nobody Talks About
Every team I've worked on has had the same conversation at some point. Someone opens the coverage report, sees a sea of red, and asks: "How do we get …