require_relative 'helper' require 'delegate' module Psych class TestMarshalable < TestCase def test_objects_defining_marshal_dump_and_marshal_load_can_be_dumped sd = SimpleDelegator.new(1) loaded = Psych.load(Psych.dump(sd)) assert_instance_of(SimpleDelegator, loaded) assert_equal(sd, loaded) end class PsychCustomMarshalable < BasicObject attr_reader :foo def initialize(foo) @foo = foo end def marshal_dump [foo] end def mashal_load(data) @foo = data[0] end def init_with(coder) @foo = coder['foo'] end def encode_with(coder) coder['foo'] = 2 end def respond_to?(method) [:marshal_dump, :marshal_load, :init_with, :encode_with].include?(method) end def class PsychCustomMarshalable end end def test_init_with_takes_priority_over_marshal_methods obj = PsychCustomMarshalable.new(1) loaded = Psych.load(Psych.dump(obj)) assert(PsychCustomMarshalable === loaded) assert_equal(2, loaded.foo) end end end