If test cases are written in the given/when/then format, what type of test-first software development is being used?

Question

Options

• ATest-driven development
• BAcceptance test-driven development
• CBusiness-driven development
• DBehavior-driven development

• A
  5% (1)
• C
  5% (1)
• D
  91% (20)

Explanation

Behavior-Driven Development (BDD) is defined by its use of the Given/When/Then (GWT) structured format - Given (precondition), When (action), Then (expected outcome) - which makes test scenarios readable by both technical and non-technical stakeholders.

• A (TDD) is wrong because TDD uses unit tests written in code (e.g., assertions), not natural-language GWT scenarios; it focuses on implementation correctness, not behavior specification.
• B (ATDD) is close but incorrect - ATDD involves writing acceptance tests collaboratively with stakeholders, but it doesn't mandate the GWT format specifically; BDD evolved from and extends ATDD with that structure.
• C (Business-driven development) is not a standard software development methodology and is a distractor.

Memory tip: Think "Given/When/Then = Behavior" - the GWT format describes behavior from a user's perspective, which is the core idea of BDD. Tools like Cucumber and Gherkin, which are synonymous with BDD, enforce exactly this syntax.

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