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Striking a balance between testing UI and business logic in React Native apps is crucial. Writing unit tests for UIs can be problematic as they focus on replicating the rendering environment rather than testing the underlying business logic. Extracting logic from the UI into hooks simplifies testing by focusing on testing the business logic. End-to-end tests help mitigate the risk of regressions in UI elements. Overall, a pragmatic approach that combines different testing strategies is recommended.

Effective Strategies for Testing React Native Apps: Striking a Balance Between Testing UI and Business Logic

The Problem with Writing Unit Tests for UIs