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Adding tests to code that has none, with Claude Code

A playbook for putting tests around an untested app, riskiest code first: get the runner working, pin down current behavior, prove each test can fail, and keep new code from arriving untested.

Playbook · 14 min · Members

What's inside
  • The order matters
  • Step 1: get one test running
  • Step 2: pin down what the code does today
  • Step 3: prove each test can fail
  • Step 4: review the tests like code
  • Step 5: run them on every change
  • Step 6: deal with the bug list
  • A weekly rhythm
  • Common mistakes

All 56 pieces with AI Skills Academy · $49/mo

  • Every playbook, template, checklist and worksheet in the Library, and each new one as it's added
  • The full 30-lesson course, the Agent Authority Scanner and your evidence package
  • Six governed agents to download and run in Claude Code
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