Xctest In Swift
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XCTest in Swift
"XCTest in Swift" Master the art and science of automated testing on Apple platforms with "XCTest in Swift." This comprehensive and meticulously organized guide explores every facet of XCTest, from its foundational principles and architecture through its seamless integration with the Swift ecosystem and Apple’s toolchain. The book begins by tracing the evolutionary journey of testing within Apple environments, offering a deep dive into core concepts, module structuring, and a critical comparison of XCTest with alternative frameworks. Readers gain a robust understanding of how XCTest underpins test-driven and behavior-driven development in modern Swift workflows. Progressing from the basics, the book illuminates advanced practical techniques for writing, organizing, and executing tests that span everything from unit to end-to-end scenarios. Highlighted topics include best practices for test case design, error handling, parameterization, and the management of state and resources. Special focus is given to testing asynchronous and concurrent code, strategies for mocking and dependency injection, and ensuring test reliability in non-deterministic contexts. The guide also addresses UI automation, accessibility verification, localization, and the effective use of test artifacts such as screenshots and logs for robust reporting. Beyond individual test creation, "XCTest in Swift" provides actionable insights into scaling and optimizing test workflows for large, sophisticated projects. Readers will find in-depth coverage of continuous integration and deployment, security and privacy compliance, custom extensions, and the orchestration of parallel and distributed testing. By bridging core technical expertise with real-world best practices and emerging trends, this book empowers Swift developers and quality engineers to build reliable, maintainable, and secure applications that stand up to the demands of evolving Apple platforms.
Ios Unit Testing by Example
Fearlessly change the design of your iOS code with solid unit tests. Use Xcode's built-in test framework XCTest and Swift to get rapid feedback on all your code - including legacy code. Learn the tricks and techniques of testing all iOS code, especially view controllers (UIViewControllers), which are critical to iOS apps. Learn to isolate and replace dependencies in legacy code written without tests. Practice safe refactoring that makes these tests possible, and watch all your changes get verified quickly and automatically. Make even the boldest code changes with complete confidence. Manual code and UI testing get slower the deeper your navigation hierarchy goes. It can take several taps just to reach a particular screen, never mind the actual workflow tests. Automatic unit testing offers such rapid feedback that it can change the rules of development. Bring testing to iOS development, even for legacy code. Use XCTest to write unit tests in Swift for all your code. iOS developers typically reserve unit tests for their model classes alone. But that approach skips most of the code common to iOS apps, especially with UIViewControllers. Learn how to unit test these view controllers to expand your unit testing possibilities. Since good unit tests form the bedrock for safe refactoring, you're empowered to make bold changes. Learn how to avoid the most common mistakes Swift programmers make with the XCTest framework. Use code coverage to find holes in your test suites. Learn how to identify hard dependencies. Reshape the design of your code quickly, with less risk and less fear.
RxSwift (Fourth Edition)
Learn Reactive Programming in Swift with RxSwift!The popularity of reactive programming continues to grow on an every-increasing number of platforms and languages. Rx lets developers easily and quickly build apps with code that can be understood by other Rx developers - even over different platforms.Not only will you learn how to use the RxSwift port to create complex reactive applications on iOS, you'll also see how to easily solve common application design issues by using RxSwift. Finally you'll discover how to exercise full control over the library and leverage the full power of reactive programming in your apps.This books is for iOS developers who already feel comfortable with iOS and Swift, and want to dive deep into development with RxSwift.Topics Covered in RxSwift:- Getting Started: Get an introduction to the reactive programming paradigm, learn the terminology involved and see how to begin using RxSwift in your projects.- Event Management: Learn how to handle asynchronous event sequences via two key concepts in Rx - Observables and Observers.- Being Selective: See how to work with various events using concepts such as filtering, transforming, combining, and time operators.- UI Development: RxSwift makes it easy to work with UI of your apps using RXCocoa, which provides integration of both UIKit and Cocoa.- Intermediate Topics: Level up your RxSwift knowledge with chapters on reactive networking, multi-threading, and error handling.And much, much more!By the end of this book, you'll have hands-on experience solving common issues in a reactive paradigm - and you'l be well on your way to coming up with your own Rx patterns and solutions!