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Behavior-driven development
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<p>Behavior-driven development (BDD) involves naming <a href="/facts/Software_testing/VoXzG9Tb">software tests</a> using <a href="/facts/Domain_model/rSxm7s5a">domain language</a> to describe the behavior of the <a href="/facts/Source_code/o9J6Jv23">code</a>. </p><p>BDD involves use of a <a href="/facts/Domain-specific_language/n18H1foD">domain-specific language</a> (DSL) using natural-language constructs (e.g., English-like sentences) that can express the behavior and the expected outcomes. </p><p>Proponents claim it encourages collaboration among developers, quality assurance experts, and customer representatives in a software project. It encourages teams to use conversation and concrete examples to formalize a shared understanding of how the application should behave. BDD is considered an effective practice especially when the <i>problem space</i> is complex. </p><p>BDD is considered a refinement of <a href="/facts/Test-driven_development/fDCzXkt1">test-driven development</a> (TDD). BDD combines the techniques of TDD with ideas from <a href="/facts/Domain-driven_design/vJpcBKxu">domain-driven design</a> and <a href="/facts/Object-oriented_analysis_and_design/aNIBltd0">object-oriented analysis and design</a> to provide software development and management teams with shared tools and a shared process to collaborate on software development. </p><p>At a high level, BDD is an idea about how software development should be managed by both business interests and technical insight. Its <i>practice</i> involves use of specialized tools. Some tools specifically for BDD can be used for TDD. The tools automate the <a href="/facts/Domain-driven_design/vJpcBKxu">ubiquitous language</a>. </p>