require 'test_helper' require_relative 'collection_serializer_test' module ActiveModel class Serializer class ArraySerializerTest < CollectionSerializerTest extend ActiveSupport::Testing::Stream def self.run_one_method(*) stderr = (capture(:stderr) do super end) if stderr !~ /Calling deprecated ArraySerializer/ fail Minitest::Assertion, stderr end end def collection_serializer ArraySerializer end end end end