gistfile1.js

        it "throws an error if bookguid has been reused" do
            payload = {:bookGuid => "ABC123", :backingFile=> "/tmp/test.epub", :previewPercentage => "10", :queueItemId => SecureRandom.uuid};
            Rm::Api::OnboardingController.any_instance.stubs(:does_guid_exist?).returns(true)
            get :onboarding, payload
            response.status.should == 400
            json = JSON.parse(response.body)
            json["ErrorCode"].should include "DUPLICATE_GUID"
        end