swift-testing

To write Swift Testing framework tests using macros, you import the Testing module and annotate functions with the @Test macro. You then validate conditions inline using #expect assertions, reducing boilerplate and increasing test readability.

Yes, you can use Swift Testing alongside XCTest in the same iOS or macOS project. This enables incremental adoption, allowing you to run new macro-driven async and throwing tests next to existing XCTest cases.

To test async and throwing functions in Swift Testing, you define an @Test annotated function with async and throws support. Inside, you use the #expect macro to validate outcomes, handling optional throwing behavior directly within the test body.

The best way to reduce boilerplate in Swift unit tests is adopting the macro-driven Swift Testing framework. It replaces traditional setup blocks with @Test annotations for clear navigator titles and #expect assertions for inline validation.

Yes, Swift Testing supports optional throwing behavior for assertions. You can define your @Test function with throws support, allowing you to validate conditions with #expect assertions that can propagate errors directly.