How to fix Apollo’s MockedProvider returning empty objects for fragments

If you’re like me, you burned your wheels a little too long trying to figure out why your mocked data was empty in your React unit tests.

In my case, I had a query like this:

query GetSomething($somethingId: UUID!) {
  something(somethingId: $somethingId) {
    ...something
    things {
      ...thing
    }
  }
}…