Behavior Driven Development (BDD)

Definition - What does Behavior Driven Development (BDD) mean?

Behavior driven development (BDD) is a software development approach that relies on interactions between different layers of stakeholders, the output of such interactions and how these interactions lead to software development.

BDD focuses and associates behavioral specifications with each unit of software under development.

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Techopedia explains Behavior Driven Development (BDD)

BDD provides a formal application building framework that combines agile software development (ASD), test driven development (TDD) and other principles to build software products. BDD works by associating business outcome as a "story" or specification that defines its requirements, business benefits and common testing methodology used to ascertain the completion of a software unit.

BDD distributes stakeholders between two distinct classes, as follows:

Core stakeholders: Focus on business objectives, outcomes and application behavior
Incidental stakeholders: Functional and non-functional people work to provide the desired application behavior and outcome