6 posts
The portfolio test harness measured contrast on a port. When the address came from an environment variable, the branch server never started, and something else answered there. The test never lied. It just answered a different question.
The post was hidden, its route returned 404, the feed didn't mention it. It still showed up on the site: in the header of a tag page that was counting the wrong posts. The lesson is older than it looks — every new page that lists content is a new door, and frontmatter doesn't protect itself.
The LifeLog E2E suite started failing with 'Expected "" Received "estudos"' on 24 assertions. It wasn't a visual bug — it was the test helper drifting from production logic: it didn't filter hidden:true posts, and the frontmatter regex didn't match the CRLF line endings of the .mdx files. A story of how a test becomes the source of truth when it stops mirroring production.
158 commits, 50 bilingual posts, 4 theme engines, 59 AI covers, and a decision that changed everything: killing the bot that wrote posts on its own.
How end-to-end tests transformed quality and confidence in Dogwalk's development — the real story of a stack that learned to test itself.
From zero tests to 853: how Playwright tests became the quality backbone of Dogwalk/PataPass, what we learned and what changed in the process.