module ActiveModel class Serializer module Configuration include ActiveSupport::Configurable extend ActiveSupport::Concern # Configuration options may also be set in # Serializers and Adapters included do |base| config = base.config config.collection_serializer = ActiveModel::Serializer::CollectionSerializer config.serializer_lookup_enabled = true def config.array_serializer=(collection_serializer) self.collection_serializer = collection_serializer end def config.array_serializer collection_serializer end config.adapter = :attributes config.jsonapi_resource_type = :plural config.schema_path = 'test/support/schemas' end end end end