ios - How to let the app know if its running Unit tests in a pure Swift project? -

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one annoying thing when running tests in xcode 6.1 entire app has run , launch storyboard , root viewcontroller. in app runs server calls fetches api data. however, don't want app when running tests.

with preprocessor macros gone, whats best project aware launched running tests , not ordinary launch? run them cmd+u , on bot.

pseudo code be:

// appdelegate.swift  if runningtests() {    return } else {    // ordinary api calls }

instead of checking if tests running avoid side-effects, run tests without host app itself. go project settings -> select test target -> general -> testing -> host application -> select 'none'. remember include files need run tests, libraries included host app target.

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