test-driven-development

Test-driven development begins by writing a failing test that captures the desired behavior, then implementing just enough production code to pass it. You then refactor the code with confidence, reducing regressions and guiding clear design.

The red-green-refactor cycle enforces writing a failing test first, implementing minimal code to pass it, and then refactoring safely. This disciplined workflow reduces regressions and enables clear software design during feature development and bug fixes.

Yes, test-driven development applies to bug fixes and refactoring across codebases. You begin by writing a failing spec that drives robust behavior, ensuring changes are covered by tests for ongoing stability before modifying production code.

No specific framework is required, as this test-driven development workflow supports standard test frameworks. You can apply the red-green-refactor cycle across codebases using your existing testing tools to enforce tests before production code.

Writing a failing test before production code enforces test-driven development quality guardrails. This disciplined workflow ensures changes are covered by tests, reduces regressions, and enables clear design by guiding implementation to pass the spec.