12 min read
Bun's Test Runner Replaced Vitest in My New Projects
Bun's built-in test runner runs 5-15x faster than Vitest, ships zero-config snapshots and coverage. Migration in 30 minutes,…
The Lab · Written in the open · Tagged Testing
Lab.
Working notes from the studio. The tools I build, the workflows I keep, the mistakes I paid for.
3 entries · latest 2026-10-24
Latest entry
Claude Formal Verification, the 1-Hour Version
Claude wrote 180 million lines of Rocq proofs for 123 libraries. What that means for app developers, and a 1-hour property test that catches 2 link bugs.
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Latest entry · AI Tools
All entries · Testing
5 min read
How to Test Your Shopify Store Before Launch
Complete checklist for testing your Shopify store before launch - payments, mobile, SEO, emails, and the edge cases…