test-driven-development

Test-driven development is implemented by following the Red-Green-Refactor cycle: writing a failing test first, creating code to pass it, and then refactoring for clean design to prevent regressions.

The Red-Green-Refactor cycle is a TDD workflow where you write a failing test, develop the minimum code required to make it pass, and then refactor the code for maintainability and quality.

Yes, you need a development environment with pytest installed to execute the test cases and verify failures and successes during the test-driven development workflow.

Writing failing tests first improves code quality by ensuring your implementation directly addresses requirements, preventing regressions, and establishing a suite of test cases for continuous verification during refactoring.

The best way to fix bugs using test-driven development is to write a new failing test case that reproduces the bug, write code to pass the test, and refactor to ensure the fix maintains clean design.

Yes, test-driven development supports refactoring existing code by providing test cases that verify functionality, allowing you to clean up the design safely without introducing regressions.