LEXICON Open App →
HomeGlossary › TDD

TDD

🏃 CT-ATT

Official ISTQB Definition

Test-Driven Development - writing unit tests before writing the code.

3 Ways to Think About It

💡
The Quick Take

Write the test first, then write code to make it pass.

🔍
Look Closer

Red-green-refactor: fail, pass, improve.

🎯
The Bottom Line

Letting tests drive the design of your code.

Practice this term with quizzes and arcade games

Study with Lexicon →
← TASAll Termstechnical review →