Testing

• Faster and more robust tests with Xcode 10
• Using Swift #file and #line Literals for Custom XCTest Assertions
• Test doubles in Swift: dummies, fakes, stubs, and spies.
• Unit testing retain cycles
• Improving code testability with Swift protocols
• Unit Testing Dispatch Queues With Dependency Injection
• How to test iOS networking code the easy way
• Swift Codable Testing
• Testing error code paths in Swift
• Swift weak reference assertion
• Better tests for delegates
• Starting Unit Testing with Model layer
• Tips and tricks on unit testing iOS apps
• XCTest Error Handling Improvements
• Testing private methods and variables in Swift
• Effective Unit Testing
• XCTest tips and tricks that can level up your Swift testing

Expectations / Async Testing

• INVERTED EXPECTATIONS
• Testing Asynchronous Operations with Expectations
• XCTest​Case / XCTest​Expectation / measure​Block()
• Unit testing asynchronous Swift code

Snaphot

• Higher-Order Snapshot Testing

UIViewController, UICollectionView, UITableView Testing

• Unit Test - UICollectionView in UIViewController with example

Mocking

• Mocking in Swift
• Mock-free unit tests in Swift
• Mocking With Protocols in Swift

Integration

• Integration Testing for Memory Leaks
• Integration tests in Swift

UI

• Xcode UI Testing Cheat Sheet
• Automated UI-Testing for iOS Apps
• An introduction to UI Testing on iOS
• UI Testing Quick Guide
• Easy UITests for your iOS app
• UI Testing using Page Object pattern in Swift
• UI Testing in Swift with XCTest framework
• Improving iOS UI Testing
• Introduction to UI Testing in SwiftUI Using XCTest Framework
• Getting started with UI testing for SwiftUI
• Writing testable code when using SwiftUI

Test Plans

• Xcode Test Plans
• Xcode Test Plans for iOS: Getting Started

WWDC

• Testing in Xcode
• Diagnose unreliable code with test repetitions