#tdd
4 items tagged #tdd.
GUIDE 2026-05-11
Should the AI write the test, the implementation, or both? Three patterns
When AI handles tests and implementation together, it can satisfy itself without testing real behavior. Here's how to assign the work to get actual coverage.
GUIDE 2026-05-11
The test-driven-development skill: TDD as a tool-use discipline
Claude Code skips the failing-test step without enforcement. The TDD skill closes that gap by requiring a visible failing run before implementation is allowed to start.
GUIDE 2026-04-05
TDD with aider: writing the test first and letting the model fill in the implementation
Aider's edit format is well-suited to test-driven development. Write the failing test, ask aider to make it pass, review the diff. The structure produces better code than letting aider write both.
