<ul><li>Design for Testing (DfT) is important in achieving higher testing maturity.</li><li>Design practices that incorporate testing into development play a vital role.</li><li>Increasing cohesion and loose coupling among software objects is crucial in architectural design.</li><li>Concentric architectures like Hexagonal, Clean, and Onion introduce the concept of shielding internal layers from external dependencies.</li><li>Dependency flows should point inwards, towards the Domain Layer, in a three-layer architecture.</li><li>Breaking down testing into categories and determining strategies should be applied to each one.</li><li>TDD advocates for testing and development to be a single endeavor.</li><li>Writing tests for the business object helps to alert developers to unnatural tight coupling between objects.</li><li>Spring conventions enforce dependency inversion since it utilizes indirection as targets for dependency injection.</li><li>Design for testing provides freedom to evolve the system if desired, and one of its side effects is ensuring code coverage.</li></ul>

Design for Testing (DfT): Why it matters (part one)

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