iOS Interview Prep 10 — Unit Test
The purpose of this interview preparation series is to assist you in quickly refining your interview skills and thoroughly preparing for the typical questions asked during an iOS interview. If you find it useful, please leave a comment or tap the like button.
Unit testing is a great start to build the testing strategy for your App. Many people believe that writing Unit tests will slow them down, but on the contrary, they can significantly boost your productivity. We will not get into the technical details of adding Unit tests to your project, instead, we will focus on the fundamentals to help brush up your memory.
Interview Questions
- What are the benefits of writing unit tests for iOS code?
- What are test doubles (mocks, stubs, fakes), and how do you use them in iOS unit testing?
- How does unit testing differ from integration testing and UI testing in iOS applications?
🤔 Why write Unit tests?
As a developer, the last thing we want is unexpected behaviours when you push new code. It can lead to serious issues like app crashes and bad reviews for your app. Sometimes you can introduce bugs that take you hours to resolve. By adding Unit tests you can have more confidence when making changes without breaking…
