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Grows Hard to Test

Explore the challenges in layered architecture when layers are skipped, leading to domain logic spread and increased test complexity. Understand how this impacts maintainability and testing effort, helping you appreciate the importance of strict layer separation for cleaner, more testable web applications.

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A common evolution within a layered architecture is that layers are being skipped. We access the persistence layer directly from the web layer since we’re only manipulating a single field of an entity, and for that, we need not bother the domain layer, right? ...