test-driven-development

To enforce test-driven development, you must follow the Red-Green-Refactor cycle by writing a failing test first, implementing minimal code to pass it, and then refactoring. This ensures implementation is driven by requirements.

The Red-Green-Refactor cycle is a test-driven development process where you write a failing test, implement the minimal production code to make it pass, and then refactor the code safely. It ensures high-quality, testable code.

Yes, you can use pytest as a terminal-based test runner to validate code behavior against defined specifications during test-driven development. It executes the tests required to complete the Red-Green-Refactor cycle.

You prevent regressions during bug fixing and refactoring by backing every change with an automated test written before the production code. This test-first approach ensures existing functionality remains intact when modifying code.

Writing failing tests before production code ensures your implementation is driven by defined specifications rather than assumptions. It enforces the test-driven development cycle, preventing brittle code and missing edge cases.

Yes, test-driven development works for refactoring by ensuring every modification is backed by automated tests. This prevents future regressions and allows you to refactor code safely within the software development lifecycle.