When should I use TDD or BDD?

Can you explain when to use TDD or BDD in software development?

Sure! TDD, or Test-Driven Development, is best used when you want to ensure that your code is working as expected from the start. BDD, or Behavior-Driven Development, is more suitable when you want to focus on the behavior of the application from the user's perspective.

What are the main differences between TDD and BDD?

The main difference is that TDD focuses on testing the implementation of the code, while BDD emphasizes the expected behavior of the application, often involving collaboration with non-technical stakeholders.

Can you give me an example of when to use each?

Certainly! Use TDD when developing a complex algorithm where you need to ensure each part works correctly. Use BDD when developing a feature that requires input from users, like a login process, to ensure it meets their expectations.

Are there any tools that support TDD and BDD?

Yes! For TDD, tools like JUnit or NUnit are popular. For BDD, you can use Cucumber or SpecFlow, which allow you to write tests in a more natural language.