combine test

Asked on 2025-07-03

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The content from the WWDC sessions primarily focuses on advancements in Swift Testing and Xcode. Here are some key points from the sessions:

  1. 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.
  2. 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.
  3. 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.