PHP & React Development Insights

Practical insights and guides on PHP/Symfony, React/Next.js, legacy modernization, and software architecture, drawn from 18+ years of building web applications for European businesses.

AI-Generated Tests That Hide Bugs: What We Found Auditing Vibe-Coded Codebases

AI-generated test suites look impressive at a glance: high file counts, familiar patterns, green CI pipelines. This post catalogs the failure modes we actually find when auditing vibe-coded codebases: tests that never run the code they claim to cover, mocks that assert nothing real, and coverage numbers that measure files touched rather than logic exercised.

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