The ClickChain Blog

Governed AI, in the open

Field notes on building software with AI you can actually trust: the laws, the workflows, the gates, and what we learn running them on real code.

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From coverage to confidence

Most teams answer "is this software safe?" with a coverage number, and most of those numbers were set by management rather than earned by the tests. Coverage only proves a line ran. Mutation testing asks the harder question — if the behavior changed, would anything notice? That answer is cheap enough to produce automatically, which means it does not belong on a dashboard. It belongs in the gate.

September 20, 20266 min readWyatt Sutherland
  • mutation-testing
  • software-quality
  • ai-governance
  • tdd
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