Unit Testing with Core Data in Xcode 12

Question

Created Aug ’20

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I'm trying to write a unit test for a Core Data model in Xcode 12 Beta 4 for a multiplatform app. However, it looks like it's unable to find the managed object model. The following returns nil:

Code Block swiftlet container = NSPersistentContainer(name: "MyModelName")

This works fine in Xcode 11 for an iOS app. I also tried getting the model explicitly from the bundle, but that doesn't seem to work either.

Any ideas on how to fix this?

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Answer 1

Frameworks Engineer OP

Apple

Aug ’20

Not without more information, for example what bundle / target is that code executing in? If its your test target you'll need to look up the app's bundle to find the momd.

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