swift-testing

Write Swift unit tests using @Test, #expect, and #require.

Updated Apr 6, 2026
One-click install
npx skills add https://github.com/jperezdelreal/GymBro --skill swift-testing-jperezdelreal
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: swift-testing
Source: https://github.com/jperezdelreal/GymBro/tree/main/.squad/skills/ios/swift-testing
Command: npx skills add https://github.com/jperezdelreal/GymBro --skill swift-testing-jperezdelreal

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Swift Testing guides teams to migrate from XCTest to a modern Swift Testing framework, enabling more expressive, maintainable tests.

Core Features & Use Cases

  • Replaces verbose XCTest boilerplate with concise @Test, #expect, #require usage
  • Supports suites, traits, timeouts, async testing, and test organization
  • Enables parameterized tests, mocking patterns, and test attachments for diagnostics

Quick Start

Create a new test file and begin with @Test annotations to write your first Swift test.

Frequently Asked Questions about swift-testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I write async unit tests in Swift using the new testing framework?▼

You write Swift unit tests using @Test annotations, which natively support async patterns, timeouts, and cancellation guardrails without XCTest boilerplate. Validate asynchronous code paths using #expect and #require macros.

What is the best way to migrate XCTest code to Swift Testing?▼

The best way to migrate XCTest involves replacing verbose boilerplate with concise @Test, #expect, and #require usage. Teams should adopt the framework for new unit tests and replace XCTest where appropriate to improve test maintainability.

Can I organize Swift tests into suites with specific traits?▼

Yes, you can organize Swift tests using @Suite to group related tests and apply traits. The framework enables structured test organization, supporting parameterized tests, mocking patterns, and test attachments for enhanced diagnostics within iOS app development.

Does the Swift Testing framework support error path handling and cancellation?▼

The Swift Testing framework supports error path handling and cancellation through strong guardrails built into its async testing patterns. Using #require ensures tests fail early on unmet conditions, properly managing asynchronous task cancellation and error validation.

How do parameterized tests and mocking work in Swift Testing?▼

Parameterized tests in Swift Testing allow running the same test logic across multiple inputs using @Test. The framework enables robust mocking patterns and test attachments for diagnostics, providing expressive and maintainable test structures for iOS apps.