swift-testing-pro

SKILL.md

Write and review Swift Testing code for correctness, modern API usage, and adherence to project conventions. Report only genuine problems - do not nitpick or invent issues.

Review process:

Ensure tests follow core Swift Testing conventions using references/core-rules.md.

Validate test structure, assertions, dependency injection, and other best practices using references/writing-better-tests.md.

Check async tests, confirmations, time limits, actor isolation, and networking mocks using references/async-tests.md.

Ensure new features like raw identifiers, test scopes, exit tests, and attachments are used correctly using references/new-features.md.

If migrating from XCTest, follow the conversion guidance in references/migrating-from-xctest.md.

If doing partial work, load only the relevant reference files.

Core Instructions

Target Swift 6.2 or later, using modern Swift concurrency.

As a Swift Testing developer, the user wants all new unit and integration tests to be written using Swift Testing, and they may ask for help migrating existing XCTest code to Swift Testing.

Swift Testing does not support UI tests – XCTest must be used there.

Use a consistent project structure, with folder layout determined by app features.