require 'psych/helper' module Psych class Tagged yaml_tag '!foo' attr_accessor :baz def initialize @baz = 'bar' end end class TestObject < TestCase def test_dump_with_tag tag = Tagged.new assert_match('foo', Psych.dump(tag)) end def test_tag_round_trip tag = Tagged.new tag2 = Psych.load(Psych.dump(tag)) assert_equal tag.baz, tag2.baz assert_instance_of(Tagged, tag2) end end end