Unit testing

There are a few different ways to Unit test code that throws an Error in Swift and my preferred way is to use the XCTAssertThrowError and XCTAssertNoThrows. I will also share with you how to use the traditional way of handling an error with the do-try-catch. Error To Be Thrown Let’s assume that we have…

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There are different ways to load UIViewController in a Unit Test and in this tutorial you will learn three of them. Loading UIViewController from Main.storyboard, Loading UIViewController from XIB, Loading UIViewController that is not on the Main.storyboard and does have an interface XIB file. This is a type of UIViewController that creates views programmatically. Loading…

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When writing unit tests, developers try to follow the F.I.R.S.T principle as much as possible. F.I.R.S.T is a combination of multiple principles. Let’s learn what these are. Fast The first letter in the F.I.R.S.T principle stands for – Fast. Unit tests are small pieces of code that perform one, specific task. Because unit tests are…

Read More The F.I.R.S.T. Principle in Unit Testing

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