What is the difference between BDD and TDD?

What is the difference between BDD and TDD?

BDD (Behavior-Driven Development) focuses on the behavior of the application from the user's perspective, while TDD (Test-Driven Development) emphasizes writing tests before the code to ensure functionality.

Can you give me an example of each?

Sure! In TDD, you might write a test for a function that adds two numbers before implementing the function. In BDD, you would write a scenario describing how a user interacts with the application, like 'Given I have a shopping cart, when I add an item, then the cart should update accordingly.'

Which one should I use for my project?

It depends on your project's needs. If you want to focus on user behavior and collaboration, BDD might be better. If you need strict code correctness, TDD could be the way to go.

Are there any tools that support BDD and TDD?

Yes! For BDD, tools like Cucumber and SpecFlow are popular. For TDD, you can use frameworks like JUnit for Java or pytest for Python.