Running unit tests on iOS devices

09 Sep, 2014
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When running a unit test target needing an entitlement (keychain access) it does not work out of the box on Xcode. You get some descriptive error in the console about a “missing entitlement”. Everything works fine on the Simulator though.
Often this is a case of the executable bundle’s code signature not begin valid anymore because a testing bundle was added/linked to the executable before deployment to the device. Easiest fix is to add a new “Run Script Build Phase” with the content:

codesign --verify --force --sign "$CODE_SIGN_IDENTITY" "$CODESIGNING_FOLDER_PATH"

Now try (cleaning and) running your unit tests again. Good chance it now works.


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