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I built a page that only publishes numbers surviving our own checks. It caught me inside the hour.

I built a page that only publishes numbers surviving our own checks. It caught me inside the hour.

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5 min read
It Printed "Verifying." It Verified Nothing.

It Printed "Verifying." It Verified Nothing.

1
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6 min read
A field disappeared from Shopify webhooks for two days and every monitor stayed green

A field disappeared from Shopify webhooks for two days and every monitor stayed green

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9 min read
Testing Next.js 15 Apps — The Setup I Actually Use

Testing Next.js 15 Apps — The Setup I Actually Use

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5 min read
I ported Picomatch to Rust. It passed 1,977 tests and lost the benchmark by 18x

I ported Picomatch to Rust. It passed 1,977 tests and lost the benchmark by 18x

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7 min read
Your Tests Passed. That Is Not the Same as Correct.

Your Tests Passed. That Is Not the Same as Correct.

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3 min read
YAML Test Cases in Git: What r/QualityAssurance Actually Said

YAML Test Cases in Git: What r/QualityAssurance Actually Said

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4 min read
Building ReproSpec: Portable Evidence Bundles and Offline Replay for Node.js

Building ReproSpec: Portable Evidence Bundles and Offline Replay for Node.js

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4 min read
One New State Means a Projection Audit

One New State Means a Projection Audit

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4 min read
A Framework-Agnostic Testing Methodology for AI Agents (61 sources, 58 test blocks, OWASP Agentic Top 10)

A Framework-Agnostic Testing Methodology for AI Agents (61 sources, 58 test blocks, OWASP Agentic Top 10)

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1 min read
My first project in python

My first project in python

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1 min read
Goodhart in Agent Pipelines: Five Cheap Ways to Pass

Goodhart in Agent Pipelines: Five Cheap Ways to Pass

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8 min read
The Hardest Bug to Find Was a False Positive.

The Hardest Bug to Find Was a False Positive.

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5 min read
I Let an AI Write My Tests for 30 Days: Coverage Went 38% to 71%

I Let an AI Write My Tests for 30 Days: Coverage Went 38% to 71%

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3 min read
Turn Chatbot Misunderstandings Into Grammar Regression Tests

Turn Chatbot Misunderstandings Into Grammar Regression Tests

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8 min read
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