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Like many self-taught iOS developers, I've taken my share of online courses - and I've noticed a frustrating pattern: most courses either skip unit testing entirely or cover it in abstract, unrealistic ways. You're shown how XCTest works in isolation, but never how it fits into an actual app. This course fixes that.In this course, you'll build a fully functional SwiftUI to-do list app with all the real-world features you'd expect: task management, progress tracking, persistent storage, and completion toggles. But what sets this course apart is the testing. You won't just "learn" unit testing - you'll apply it meaningfully inside a real architecture, with a proper ViewModel, mocking, and dependency injection.Every unit test in this course serves a purpose. I walk you through how and why to test each part of the system - not just happy paths, but edge cases, error handling, and persistent state. You'll gain an intuition for when tests matter and how to write them so they're fast, clear, and maintainable.If you're tired of courses that barely scratch the surface or leave testing as an afterthought, this course is for you. There isn't a more realistic or comprehensive course on unit testing in SwiftUI available today.By the end, you'll not only have a polished, production-grade app in your portfolio - you'll also have the testing skills that set real iOS developers apart from the crowd.

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