By Example — Specification

By clarifying "edge cases" (like what happens if a customer has a negative balance) during the specification phase, teams avoid discovering these issues halfway through coding.

Specification by Example replaces vague "shall" statements with concrete scenarios. Instead of saying, "The system should handle tiered discounts," a team practicing SbE would create a table: Gold | Order Value: $100 | Discount: 20% Customer Type: Silver | Order Value: $100 | Discount: 10% These examples serve three purposes simultaneously: Requirement: They define what the system should do. Test: They provide the exact criteria for success. Specification by Example

is a collaborative approach to defining requirements and functional tests based on capturing and clarifying requirements using realistic examples instead of abstract statements. It bridges the communication gap between business stakeholders, developers, and testers, ensuring that the software being built aligns perfectly with business goals. The Core Problem: The Translation Gap By clarifying "edge cases" (like what happens if

Specification by Example shifts the focus from "writing documents" to "building a shared understanding." By using concrete examples to illustrate business rules, teams can eliminate ambiguity, reduce waste, and deliver high-quality software that truly meets the needs of the business. Test: They provide the exact criteria for success

Because the examples are used to drive development and automated testing, the documentation is never out of date. If the tests pass, the documentation is accurate.

They act as a living manual for how the system works. Key Benefits