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Architecture · interview question

If you wrote a test around layered architecture, what should the test prove first?

Multiple choiceEasychapter-18-curatedpremiumarchitecturelayered-architecture
text
api -> service -> repository -> database
         -> partner client -> external api
Choose one answer
Answer and explanation

Correct answer

C. That the rule behaves correctly at the boundary cases the lesson is trying to make explicit.

Why

Good tests make the design safer to change because they lock in the meaningful behavior rather than surface-level implementation details.

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