osx - Swift: How to not load AppDelegate during Tests -

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i have os x application on startup loads data server , pushes notifications nsusernotificationcenter. have problem happens during unit tests. found no way yet prevent this. of course stub http loads. in cases want test loading , notifications sent anyway.

what i'm trying make test runs not load appdelegate fake 1 i'm using tests. found several examples [1] on how uiapplicationmain, can pass specific appdelegate class name. same not possible nsapplicationmain [2].

what i've tried following:

removed @nsapplicationmain appdelegate.swift, added main.swift following content:

class fakeappdelegate: nsobject, nsapplicationdelegate { }  nsapplication.sharedapplication() nsapp.delegate = fakeappdelegate() nsapplicationmain(process.argc, process.unsafeargv)

this code runs before tests has no effect @ all.

i might have say: appdelegate empty. handle mainmenu.xib stuff made separate view controller actual loading , notification stuff in awakefromnib.

[1] http://www.mokacoding.com/blog/prevent-unit-tests-from-loading-app-delegate-in-swift/

[2] https://developer.apple.com/library/mac/documentation/cocoa/reference/applicationkit/miscellaneous/appkit_functions/#//apple_ref/c/func/nsapplicationmain

after days of trying , failing found answer on apple forums:

the problem main.swift file initializing appdelegate before nsapplication had been initialized. apple documentation makes clear lots of other cocoa classes rely on nsapplication , running when initialized. apparently, nsobject , nswindow 2 of them.

so final , working code in main.swift looks this:

private func istestrun() -> bool {     return nsclassfromstring("xctest") != nil }  private func runapplication(     application: nsapplication = nsapplication.sharedapplication(),     delegate: nsobject.type?   = nil,     bundle: nsbundle?          = nil,     nibname: string            = "mainmenu") {      var toplevelobjects: nsarray?      // actual initialization of delegate deferred until here:     application.delegate = delegate?.init() as? nsapplicationdelegate      guard bundle != nil else {         application.run()         return     }      if bundle!.loadnibnamed(nibname, owner: application, toplevelobjects: &toplevelobjects ) {         application.run()     } else {         print("an error encountered while starting application.")     } }  if istestrun() {     let mockdelegateclass = nsclassfromstring("mockappdelegate") as? nsobject.type     runapplication(delegate: mockdelegateclass) } else {     runapplication(delegate: appdelegate.self, bundle: nsbundle.mainbundle()) }

so actual problem before nib being loaded during tests. solution prevents this. loads application mocked application delegate whenever detects test run (by looking xctest class).

i'm sure have tweak bit more. when start ui testing. moment works.


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