XCUITest Class teardown isnt deleting the app. But works if its instance teardown. What am I doing wrong?

Question

I have a class teardown which is trying to remove the app, but it doesn\'t recognize app.terminate().

class DeviceSettingsUtilities : UITestUtilities {
func remo         


        

Answer 1

This seems like a bug in latest Xcode 10. XCUIApplication.terminate() doesn't seem to work in tearDown() when declared as class.

This can be solved in two ways:

The first option is to use:

override func tearDown() {
    XCUIApplication().terminate()
    super.tearDown()
}

instead of:

override class func tearDown() {…} 

Or, terminate the app differently (press home button, open different app...). However, I would use the first way.

Also consider reporting this to Apple, so they can fix it.

Edit: This has nothing to do with app state (XCUIApplication().state.rawValue), since it is same in test and in tearDown() (4 = running foreground). Also - official documentation says that .terminate() will terminate app, which has a debug session with Xcode, but the debug session is active in tearDown() as well. So it is really probably a bug in Xcode.

Answer 2

I'm using the below workaround to terminate the app after last test case of a class.

class BaseClass: XCTestCase {

        static var LastTestCaseName: String = ""

        override class func setUp() {
            LastTestCaseName = defaultTestSuite.tests.last!.name
            super.setUp()
        }

        override func tearDown() {
            let app = XCUIApplication()
            if BaseClass.LastTestCaseName == testRun?.test.name {
                app.terminate()
            }
        }
    }

Answer 3

The app is not being reset when you put the code in the class tearDown method because that method only runs once all the tests in the class are complete. The instance tearDown is the best place to put code that you want to run after every test.

From Apple's documentation:

For each class, testing starts by running the class setup method. For each test method, a new instance of the class is allocated and its instance setup method executed. After that it runs the test method, and after that the instance teardown method. This sequence repeats for all the test methods in the class. After the last test method teardown in the class has been run, Xcode executes the class teardown method and moves on to the next class. This sequence repeats until all the test methods in all test classes have been run.