
Download the starter project in Swift Testing Essentials to get the folder structure and starter code, and access exercise files and resources by lecture for easy setup.
Explore the starter project and learn to add unit and UI testing in Swift. Understand the app’s structure, including social security number validation and the credit score service for tests.
Explore implementing withdrawal with insufficient balance that incurs a penalty, calculating overdraft amounts, and adding tests to verify balance updates and penalty logic.
Explore writing UI and end-to-end tests to verify APR results for a valid SSN using a UI test target and accessibility identifiers, with mocked API services.
Testing is an essential part of building robust, maintainable, and high-quality iOS applications. Yet, many developers struggle with setting up a reliable testing strategy. Swift Testing Essentials: A Practical Guide is a hands-on course designed for developers of all experience levels who want to write effective tests with confidence.
This course takes a practical approach to testing, covering everything from Test-Driven Development (TDD) to stubs, mocks, UI testing, and view logic testing. You’ll learn when, what, and how to test different components of your app to ensure reliability and prevent regressions before they happen.
What You’ll Learn:
- The fundamentals of Test-Driven Development (TDD) in iOS
- How to use stubs and mocks for unit testing and dependency isolation
- UI testing strategies to verify user interactions and flows
- Techniques for testing view logic in SwiftUI
- Best practices for structuring tests and writing maintainable test cases
- Real-world testing workflows and common pitfalls to avoid
How This Course Will Benefit You:
- Increase Code Confidence – Write tests that catch bugs early and prevent regressions
- Improve App Stability – Ensure your app performs correctly across different scenarios
- Boost Productivity – Catch issues faster, reduce debugging time, and ship with confidence
- Write Maintainable Code – Learn test-friendly design patterns that make refactoring easier
- Master Real-World Testing Techniques – Apply practical skills to production-ready applications
Whether you're a beginner exploring iOS testing for the first time or an experienced developer looking to refine your testing strategy, this course will help you build high-quality, well-tested apps that stand the test of time.