bdd-workflow

Behavior-driven development with Gherkin defines executable specifications using a Given/When/Then structure. This enforces shared understanding of system behavior between stakeholders and developers, driving outside-in development cycles with living documentation.

Gherkin scenarios integrate with testing frameworks like Jest and RSpec to drive implementation. You define feature behavior using Gherkin acceptance tests first, then write corresponding unit tests in Jest or RSpec to fulfill stakeholder requirements.

Driving development with Ginkgo involves an outside-in cycle: define desired behavior using Gherkin scenarios first, then write corresponding Ginkgo unit tests. This ensures features meet stakeholder requirements and function as intended from the user's perspective.

Behavior-driven development supports Cucumber and Gherkin specifically for acceptance tests. This combination enforces a Given/When/Then structure, allowing stakeholders to validate that implemented features match the desired system behavior and requirements.

Defining behavior specs before writing Jest unit tests ensures the system functions as intended from the user's perspective. It promotes an outside-in development cycle, creating living documentation and shared understanding across the team before implementation begins.

You need behavior-driven development when a shared understanding of system behavior between stakeholders and developers is critical. It replaces standard test-driven development when you require executable specifications and living documentation written in a ubiquitous language.