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swift-testing

Generates Swift test suites for Apple platforms using XCTest or Swift Testing.

7|Updated Apr 7, 2026
Search Tags:#unit testing#swift#async testing#xctest#xcodebuild#swift testing#xctest expectation
One-click install
npx skills add https://github.com/chenziyang110/spec-kit-plus --skill swift-testing-chenziyang110
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: swift-testing
Source: https://github.com/chenziyang110/spec-kit-plus/tree/main/templates/passive-skills/swift-testing
Command: npx skills add https://github.com/chenziyang110/spec-kit-plus --skill swift-testing-chenziyang110

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you create and improve Swift unit, integration, and UI tests so your Apple-platform code stays correct as it evolves.

Core Features & Use Cases

  • Test planning and design: chooses between XCTest and Swift Testing, identifies edge/error cases, and covers async and UI boundaries.
  • Failure diagnosis & coverage improvement: guides investigation of flaky or failing tests and expands test coverage where appropriate.
  • Execution-ready output: produces structured test code and includes how to run tests for validation in CI or locally.

Quick Start

Ask the agent: "Write XCTest tests for my Swift module in the existing Tests folder, covering both happy-path and failure cases, and explain how to run them with 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 XCTest tests for my Swift module covering both happy paths and failure cases?▼

To write XCTest tests for your Swift module, you design test cases validating happy paths, boundaries, and errors. This generates structured, execution-ready Swift test suites to maintain Apple-platform code correctness.

How do I handle async testing in Swift to validate asynchronous code paths?▼

Async testing in Swift validates asynchronous boundaries by applying test-case design guardrails. It generates deterministic test code using XCTest expectations or Swift Testing to ensure reliable execution for Apple-platform projects.

What is the best way to fix broken or flaky Swift unit tests in Xcode?▼

Fixing broken or flaky Swift unit tests involves diagnosing failures and investigating ambiguity within test targets. It guides the investigation process to improve coverage and restore deterministic behavior for Apple-platform projects.

Should I use XCTest or Swift Testing for my Apple-platform project?▼

Choosing between XCTest and Swift Testing depends on your project's framework selection requirements. The decision process evaluates test-case design needs, including async and UI testing scenarios, to generate CI-ready coverage effectively.

How do I run Swift tests locally and prepare them for CI using xcodebuild?▼

Running Swift tests locally and preparing them for CI requires execution-ready output with runnable commands. It produces structured test code alongside instructions on how to run tests using xcodebuild or swift test for validation.

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