Test first strategies

• Include

  • TDD

  • ATDD

  • BDD

Differences

• Acceptance Test-Driven Development is very similar to Behavioral-Driven Development. However, a key difference between them is: BDD focuses more on the behavior of the feature, whereas ATDD focuses on capturing the accurate requirements.

• ATDD is a technique used WITHIN BDD. They are not one and the same.

Parameters	TDD	BDD	ATDD
Definition	TDD is a development technique that focuses more on the implementation of a feature	BDD is a development technique that focuses on the system’s behavior	ATDD is a technique similar to BDD focusing more on capturing the requirements
Participants	Developer	Developers, Customer, QAs	Developers, Customer, QAs
Language used	Written in a language similar to the one used for feature development (Eg. Java, Python, etc)	Simple English using domain terminology	Simple English using domain terminology
Main Focus	Unit Tests	Understanding Requirements	Writing Acceptance Tests
Tools	junit	Gherkin, Dave, Cucumber, JBehave, Spec Flow, BeanSpec, Concordian, yatspec	TestNG, FitNesse, EasyB, Spectacular, Concordian, Thucydides, yatspec

Links

• https://www.myagilepartner.com/blog/index.php/2019/06/13/atdd-bdd-and-bdd/