testing

Scaffold TDD, characterization, snapshot, and integration tests for Swift and SwiftUI.

603|51|Updated Oct 29, 2025

Search Tags:#code quality #testing #tdd #refactoring #integration testing #unit testing #snapshot testing

Ready to run

npx skills add https://github.com/rshankras/claude-code-apple-skills --skill testing-rshankras

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: testing
Source: https://github.com/rshankras/claude-code-apple-skills/tree/main/skills/testing
Command: npx skills add https://github.com/rshankras/claude-code-apple-skills --skill testing-rshankras

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill empowers developers to build more reliable software by integrating comprehensive testing strategies directly into the development workflow, ensuring code quality and preventing regressions.

Core Features & Use Cases

Test-Driven Development (TDD): Scaffold new features using the red-green-refactor cycle, ensuring code is built with tests from the start.
Characterization Testing: Capture the current behavior of legacy or untested code before refactoring, creating a safety net.
Snapshot Testing: Set up visual regression tests for SwiftUI views to catch unintended UI changes.
Integration Testing: Build test harnesses for end-to-end testing of multiple modules working together.
Bug Fixing with TDD: Reproduce bugs with failing tests first, then fix them to prevent regressions.

Quick Start

Use the testing skill to generate characterization tests for the UserManager class.

Frequently Asked Questions about testing

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

FAQPage Schema

How do I set up snapshot testing for SwiftUI views to catch UI regressions?▼

Snapshot testing captures the current visual state of SwiftUI views to detect unintended UI changes during refactoring. This skill scaffolds visual regression tests using XCTest and Swift Testing frameworks to prevent UI defects.

What is characterization testing and when do I need it for legacy Swift code?▼

Characterization testing captures the existing behavior of untested legacy Swift code before refactoring. You need it when modifying legacy modules without a safety net, ensuring current functionality remains intact during structural improvements.

How do I use TDD workflows to fix bugs in Apple platform apps?▼

TDD-based bug fixing reproduces bugs by writing failing tests first, then fixing the code to make tests pass. This workflow prevents regressions by ensuring the bug is permanently resolved and covered by automated tests.

Can I build integration test harnesses for multiple modules using Swift Testing?▼

Yes, this skill builds integration test scaffolding for end-to-end testing of multiple modules working together. It supports Swift Testing and XCTest frameworks to verify module interactions on Apple platforms.

Does this testing skill support the red-green-refactor cycle for new SwiftUI features?▼

Yes, it facilitates test-driven development using the red-green-refactor cycle to scaffold new features. Tests are written before implementation, ensuring SwiftUI and Swift code is built with test coverage from the start.