swift-testing-conventions

Structure Swift tests using the Swift Testing framework by organizing files and naming conventions for stubs, builders, and test cases. This approach improves testability and maintainability across unit and integration testing layers.

The best way to test SwiftUI views is using XCUITest with a page object model pattern. This structure isolates UI elements and interactions, improving E2E testing reliability and maintainability for complex view hierarchies.

Handle Swift async testing by implementing specific asynchronous patterns provided by the Swift Testing framework. These patterns ensure tests wait for concurrent operations correctly, validating async code behavior without flaky executions.

Use test doubles like stubs and spies in Swift when you need to isolate dependencies and verify interactions. Stubs provide canned responses, while spies record method calls, ensuring unit tests remain focused and deterministic.

Yes, this Swift testing guide covers the FIRST principles and the testing pyramid. It defines the ideal distribution of unit, integration, and UI tests to ensure code quality and reliability in your projects.

Write assertions in Swift Testing using its dedicated assertion library. The framework provides expressive assertion functions that validate expected outcomes clearly, replacing traditional XCTest assertions with more readable syntax.