Test-Driven Development (TDD) FAQs

Question 1

Is this skill compatible with all programming languages?

Accepted Answer

Yes, while the examples are in TypeScript, the TDD principles and Red-Green-Refactor workflow enforced by this skill are applicable to any language or framework supported by Claude Code.

Question 2

Why does this skill require watching a test fail first?

Accepted Answer

Watching a test fail confirms that the test is actually verifying the intended behavior and isn't passing by accident or due to unrelated existing code.

Question 3

Can I use this skill for fixing bugs?

Accepted Answer

Yes, the skill is ideal for bug fixes. It requires writing a test that reproduces the bug (Red phase) before implementing the fix (Green phase) to prevent future regressions.

Question 4

What does the Refactor phase involve in this skill?

Accepted Answer

After a test passes, the Refactor phase allows you to clean up duplication and improve code structure without changing the behavior, verified by keeping the tests green.

Question 5

What is the 'Iron Law' of this TDD skill?

Accepted Answer

The Iron Law dictates that no production code can be written without a failing test first. If code is written before a test, it must be deleted and rewritten following the TDD cycle.

Test-Driven Development (TDD)

주요 기능

사용 사례

Test-Driven Development (TDD)

주요 기능

사용 사례