Richard Groß • 1/31/2025

Structure-cementing tests and how to avoid them 2/3

This technical article, part 2 of a series, delves into the concept of structure-cementing tests—tests that are overly sensitive to code structure changes. It introduces a Test Domain-Specific Language (DSL) as an abstraction layer between tests and test setup. The article explains how using a Test DSL with components like TestState and Builders can prevent structural cementation, allowing engineers to make production code changes without breaking numerous tests, using a book renting service as an example.

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#testing #unit testing #integration testing