swift-testing-conventions

Document Swift and SwiftUI testing conventions for unit, integration, UI, and E2E tests.

6|1|Updated Dec 29, 2025

Search Tags:#testing #integration testing #unit testing #swift #e2e testing #swiftui #xctest

Ready to run

npx skills add https://github.com/benaor/claude-config --skill swift-testing-conventions

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: swift-testing-conventions
Source: https://github.com/benaor/claude-config/tree/main/.claude/skills/swiftui-testing-conventions
Command: npx skills add https://github.com/benaor/claude-config --skill swift-testing-conventions

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a comprehensive guide to establishing and maintaining robust testing conventions for Swift and SwiftUI projects, ensuring code quality and reliability.

Core Features & Use Cases

Testing Pyramid & FIRST Principles: Understand the ideal distribution of test types and adhere to core testing principles.
File Organization & Naming: Implement clear structures and naming conventions for tests, stubs, and builders.
Test Anatomy & Assertions: Learn how to structure tests using Swift Testing and leverage its assertion library.
Test Doubles: Master the use of Stubs and Spies for effective dependency isolation.
Async & XCUITest Patterns: Implement best practices for asynchronous testing and UI/E2E testing with XCUITest.
Use Case: When starting a new Swift project or refactoring existing test suites, use this Skill to establish a consistent and effective testing strategy.

Quick Start

Review the "Swift Testing Conventions" document to understand the recommended testing practices for your project.

Frequently Asked Questions about swift-testing-conventions

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

FAQPage Schema

How do I structure unit and integration tests in Swift?▼

Structure Swift tests using the Swift Testing framework by organizing files and naming conventions for stubs, builders, and test cases. This approach improves testability and maintainability across unit and integration testing layers.

What is the best way to test SwiftUI views with XCUITest?▼

The best way to test SwiftUI views is using XCUITest with a page object model pattern. This structure isolates UI elements and interactions, improving E2E testing reliability and maintainability for complex view hierarchies.

How do I handle async testing in Swift?▼

Handle Swift async testing by implementing specific asynchronous patterns provided by the Swift Testing framework. These patterns ensure tests wait for concurrent operations correctly, validating async code behavior without flaky executions.

When should I use test doubles like stubs and spies in Swift?▼

Use test doubles like stubs and spies in Swift when you need to isolate dependencies and verify interactions. Stubs provide canned responses, while spies record method calls, ensuring unit tests remain focused and deterministic.

Does this Swift testing guide cover the FIRST principles?▼

Yes, this Swift testing guide covers the FIRST principles and the testing pyramid. It defines the ideal distribution of unit, integration, and UI tests to ensure code quality and reliability in your projects.

How do I write assertions in Swift Testing?▼

Write assertions in Swift Testing using its dedicated assertion library. The framework provides expressive assertion functions that validate expected outcomes clearly, replacing traditional XCTest assertions with more readable syntax.