require_relative "../cases/helper" class ErrorsTest < ActiveRecord::TestCase def test_can_be_instantiated_with_no_args base = ActiveRecord::ActiveRecordError error_klasses = ObjectSpace.each_object(Class).select { |klass| klass < base } (error_klasses - [ActiveRecord::AmbiguousSourceReflectionForThroughAssociation]).each do |error_klass| begin error_klass.new.inspect rescue ArgumentError raise "Instance of #{error_klass} can't be initialized with no arguments" end end end end