iOS Unit Testing by Example

Lay Out the Views for Our Practice App

In Parts I and II, each chapter pretty much had its own project. But for Part III, each chapter will build on the previous work. This means you won’t be able to cherry-pick chapters but instead will need to progress through them if you want to work through the examples.

The project we’ll use across Part III is an interface for changing a password. Start a new project as we’ve done before by copying the steps from ​Create a Place to Play with Tests​. Use Refactoring as the project name.

Edit Main.storyboard, adding a button in the center of the View Controller Scene. Give it a title like “Change My Password.” Give it the following layout constraints:

• Height Equals 44
• Align Center X to Safe Area
• Align ...