Adding Unit Tests to an already existing project?

Question

When you create an XCode 4 project, it asks you if you want to include unit testing. But how do you add it to a project that's been created without them?

I started a project with Unit Tests to try to figure it out, and it looks like the only difference between it and my existing project are the Test.h and Test.m files in the new project.

But when I move them into my old project and try to build, it says no such file or directory: SenTestingKit/SenTestingKit.h. That looks like a framework to me, but if I go to build phases and try to add the framework, there isn't one available called SenTestingKit :( And the new project only links the usual suspects: UIKit, CoreGraphics, and Foundation, but no SenTestingKit.

Answer 1

I think you can do this in this way:

1. Open your Xcode project
2. Open targets
3. Click "Add Target" button
4. Click "Other"
5. Select "Cocoa Touch Unit Test Testing Bundle"

Answer 2

Xcode 7 update

Method one

File > New > Target...

Choose iOS Unit Testing Bundle. (If you want to add UI Testing then choose the UI Testing Bundle.)

Method two

Click your project name in the Project Navigator. You will see TARGETS listed. At the bottom of the screen press the plus (+) button and add the iOS Unit Testing Bundle.

The test targets in this image have already been added, but you can see where the add button is.

Related

• How to do a Unit Test in Xcode
• Xcode UI Test example

Answer 3

Some more tips to the correct answer:

In XCode 6 it is much easier now since you don't need to fix any build settings.

Change the bundle id on a test target to the correct one, if needed, by clicking the target -> Info -> Bundle Identifier.

Press CMD + U and your tests will run.

If you use CocoaPods (which is likely), you should also add Pods to the Configurations of your Project.

Answer 4

Also, if you want to be able to do cmd-U to run your tests then delete the scheme that was created for the test bundle and instead edit your main application scheme and add the test bundle in the Test configuration. See this screenshot:

Answer 5

This is pretty descriptive how-to guide: Adding Unit Tests to an existing iOS project with Xcode 4