helper spec

 def new_position_order(previous_order, moved_id, old_position, new_position)
    expected_order = previous_order.dup
    expected_order.delete(moved_id)
    expected_order.transform_values! do |pos|
      if new_position < old_position && pos >= new_position && pos < old_position
        pos + 1
      elsif new_position > old_position && pos > old_position && pos <= new_position
        pos - 1
      else
        pos
      end
    end

    expected_order[moved_id] = new_position
    expected_order.sort_by { |_, pos| pos }.to_h
  end

it "updates the position of the document attribute" do
      #previous_order = customer.document_attributes.order(:position).pluck(:id, :position).to_h
      moved_id = doc_attr_list.id
      #old_position = previous_order[moved_id]
      new_position = 4
      patch update_position_v1_document_attribute_path(id: moved_id), params: { position: new_position }, as: :json
      doc_attr_list.reload
      expect(JSON.parse(response.body).dig("data","attributes", "position")).to eq new_position
     # new_order = customer.document_attributes.order(:position).pluck(:id, :position).to_h

     # expected_order = new_position_order(previous_order, moved_id, old_position, new_position)
      expect(response).to have_http_status(:ok)
      expect(doc_attr_list.position).to eq(new_position)
      #expect(new_order).to eq(expected_order)
    end

    it "updates the last position to the first position" do
      previous_order = customer.document_attributes.order(:position).pluck(:id, :position).to_h
      moved_id = previous_order.to_a.last.first
      #old_position = previous_order[moved_id]
      new_position = 1
      patch update_position_v1_document_attribute_path(id: moved_id), params: { position: new_position }, as: :json
      bird.reload
      expect(JSON.parse(response.body).dig("data", "attributes", "position")).to eq new_position
      #new_order = customer.document_attributes.order(:position).pluck(:id, :position).to_h

      #expected_order = new_position_order(previous_order, moved_id, old_position, new_position)
      expect(response).to have_http_status(:ok)
      expect(bird.position).to eq(new_position)
      #expect(new_order).to eq(expected_order)
    end