The Generalize Step In TDD

How to make test-driven development work across different coding contexts

Test-driven development isn't one rigid practice — it's a set of core principles you generalize based on your language, team, and constraints. The generalize step lets you preserve TDD's benefits while adapting the rhythm and structure to fit your actual work, whether you're writing backend services, frontend code, or AI-assisted features.

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Questions this essay answers

  • How do I apply test-driven development outside the simple red-green-refactor cycle?
  • What's essential in TDD and what can I adapt to my team's context?
  • Can TDD work effectively in languages or domains where the standard approach feels awkward?
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