AINewsnow

Run It Twenty Times Before You Pin It: Characterization Tests for Messy Repos

A characterization test is only worth writing on output you can reproduce. Sample twenty runs before you pin one line. Most "refactor safely" advice starts with "write a characterization test." That advice hides an assumption. It assumes the function returns the same value twice. Messy repos break…

Read the full story at DEV Community — AI ↗

Timeline · 1 report

  1. 2026-11-09 06:32 · DEV Community — AI
    Run It Twenty Times Before You Pin It: Characterization Tests for Messy Repos

More stories

  1. Nvidia probes CEO Jensen Huang over affair with suspected Chinese spy — Axios AI+
  2. DeepSeek's Harness agent app reaches 1.54 million daily users — Bloomberg AI
  3. NVIDIA, Rebellions and SK Telecom Expand Korea's Sovereign AI Push — NVIDIA Newsroom
  4. Asian markets bounce back after a recovery for AI stocks on Wall Street — AP News
  5. STATERA Library releases Korean-language chapters on AMR sensors and perception — DEV Community — AI
  6. Hydra-PSIE expands 'Coeziune OM–IA' DOI registry to 41 published works — DEV Community — AI
  7. STATERA Library Publishes Chapters 7-14 of Artificial Super Intelligence Volume 48 — DEV Community — AI
  8. MIT's WorldParticle AI model simulates behavior of diverse substances from sand to proteins — MIT News AI

Get the daily brief of stories like this at 6:30 every morning →