JSONApi progress

spec/support/serializers_test_helpers.rb

@@ -0,0 +1,14 @@
+module SerializersTestHelpers
+
+  def object_as_json(obj)
+    serializer = if obj.is_a?(Array)
+      ActiveModel::Serializer::ArraySerializer.new(obj, serializer: described_class, add_included: true)
+    else
+      serializer = described_class.new(obj)
+    end
+    adapter.new(serializer, include: %w[product_orders]).as_json
+  end
+  def adapter
+    @active_model_adapter = ActiveModel::Serializer.config.adapter
+  end
+end