test-driven-development

Test-driven development drives reliable software creation by enforcing a failing test before implementation. It codifies the RED-GREEN-REFACTOR loop to guide software design, catch edge cases early, and guard against regressions across codebases.

To implement the RED-GREEN-REFACTOR cycle, write a failing test for the new feature first, then implement the minimal production code required to pass the test, and finally refactor the code confidently while maintaining test coverage.

Yes, test-driven development supports complex features and bug fixes through epic and phased workflow guidance. This structures work into granular phases with clear boundaries, ensuring reliable software creation and preventing missed edge cases across codebases.

Test-driven development includes governance and cleanup guidelines for managing test data and environment hygiene. Standard templates and safety checks ensure consistency across teams and maintain project environment integrity throughout the development cycle.

Writing tests after implementation often causes delayed feedback and missed edge cases. Test-driven development solves this by enforcing a test-first mindset that guides software design upfront and guards against regression before production code is written.

The best way to structure a large test-first workflow is using epic and phased workflows with standard templates. This enforces TDD discipline, project setup, and governance patterns, ensuring consistent test-first practices and reliable software creation across the team.