test-driven-development

To practice TDD, start by writing a failing test that defines the desired behavior, then write minimal code to pass it, and finally refactor. This enforces the Red-Green-Refactor cycle to prevent bugs and ensure code quality.

The Red-Green-Refactor cycle is a TDD methodology where you write a failing test, implement minimal code to pass it, and then refactor safely. It improves code design and prevents regressions by enforcing strict testing principles.

TDD prevents regressions by requiring you to verify all tests pass before and after refactoring. This strict testing methodology ensures new code does not break existing functionality and makes software refactoring safer.

Use test-driven development when starting a new feature to encourage modular, testable code design. It guides you to write a failing test first, implement the minimal code to pass, and refactor to prevent bugs before they are introduced.