combine test
Asked on 2025-07-03
1 search
The content from the WWDC sessions primarily focuses on advancements in Swift Testing and Xcode. Here are some key points from the sessions:
-
Swift Testing Enhancements:
- Parameterized Testing: Swift Testing now supports parameterized tests, allowing a single test function to run with multiple arguments, which helps in reducing code duplication and improving test coverage. This feature is discussed in detail in the session Go further with Swift Testing.
- Parallel Testing: Tests can now run in parallel by default, which reduces execution time and helps in identifying hidden dependencies between tests. This is a significant improvement over XCtest, which only supports parallelization using multiple processes. More details can be found in the session Go further with Swift Testing.
- Test Organization: Swift Testing introduces suites and tags to better organize tests. Suites can contain other suites, and tags help associate tests with common characteristics across different suites. This is covered in the session Go further with Swift Testing.
-
Xcode Enhancements:
- Test Navigator and Running Tests: Xcode provides various ways to run tests, including running tests repeatedly to catch non-deterministic failures. The Test Navigator has been enhanced to help filter and focus on specific tests, as discussed in the session Xcode essentials.
-
Integration with Swift Concurrency: Swift Testing integrates seamlessly with Swift concurrency, supporting async/await and actor isolation, which allows for more expressive and efficient test writing. This is highlighted in the session Meet Swift Testing.
These sessions provide a comprehensive overview of the new features and improvements in Swift Testing and Xcode, aimed at enhancing the testing experience for developers.

Go further with Swift Testing
Learn how to write a sweet set of (test) suites using Swift Testing’s baked-in features. Discover how to take the building blocks further and use them to help expand tests to cover more scenarios, organize your tests across different suites, and optimize your tests to run in parallel.

Meet Swift Testing
Introducing Swift Testing: a new package for testing your code using Swift. Explore the building blocks of its powerful new API, discover how it can be applied in common testing workflows, and learn how it relates to XCTest and open source Swift.

Xcode essentials
Edit, debug, commit, repeat. Explore the suite of tools in Xcode that help you iterate quickly when developing apps. Discover tips and tricks to help optimize and boost your development workflow.