require 'abstract_unit' require 'action_controller/metal/strong_parameters' class AlwaysPermittedParametersTest < ActiveSupport::TestCase def setup ActionController::Parameters.action_on_unpermitted_parameters = :raise ActionController::Parameters.always_permitted_parameters = %w( controller action format ) end def teardown ActionController::Parameters.action_on_unpermitted_parameters = false ActionController::Parameters.always_permitted_parameters = %w( controller action ) end test "shows deprecations warning on NEVER_UNPERMITTED_PARAMS" do assert_deprecated do ActionController::Parameters::NEVER_UNPERMITTED_PARAMS end end test "returns super on missing constant other than NEVER_UNPERMITTED_PARAMS" do ActionController::Parameters.superclass.stub :const_missing, "super" do assert_equal "super", ActionController::Parameters::NON_EXISTING_CONSTANT end end test "permits parameters that are whitelisted" do params = ActionController::Parameters.new({ book: { pages: 65 }, format: "json" }) permitted = params.permit book: [:pages] assert permitted.permitted? end end