Practical Test-Driven Development with Xcode and Swift | Apress

Practical Test-Driven Development with Xcode and Swift | Apress
English | Size: 821.26 MB
Genre: eLearning

Write better, more robust, and well-architected code. Then put tests on CI with every run, so you have real proof that your app works as expected. Running tests over and over again costs you very little whereas running manual tests costs time again and again. 100% test coverage is not practical. A more effective approach is to write well-modularized code which is easy to test in isolation with unit tests and then do several integration tests testing the entire flow of your app to make sure all modules work together.
Use XCTest, which Apple provides out of the box with XCode, to test all networking and model layers and plan classes. This is your opportunity to test against several different edge cases since it’s easy to simulate different conditions. Unit testing your controllers is complicated because controllers rely on the UIKit controller life cycle that’s not available in the test environment. Therefore, it’s easier to use UI Testing (also provided by Apple with XCode) to write integration tests. Write a few of them covering your happy paths.

Adding your tests on CI and running them automatically on every commit to your mainline branch will help you avoid timely manual tests or a failing app. Your tests will always be up to date and work for you instead of getting in the way.

What You Will Learn

Do test-driven development with Xcode
Write robust tests covering just the use cases you need
Use automated testing to avoid wasting time
Who This Video Is For

Software developers and team leads working with Swift on iOS applications in an Apple environment.

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