1require 'psych/helper' 2 3module Psych 4 class TestToYamlProperties < MiniTest::Unit::TestCase 5 class Foo 6 attr_accessor :a, :b, :c 7 def initialize 8 @a = 1 9 @b = 2 10 @c = 3 11 end 12 13 def to_yaml_properties 14 [:@a, :@b] 15 end 16 end 17 18 def test_object_dump_yaml_properties 19 foo = Psych.load(Psych.dump(Foo.new)) 20 assert_equal 1, foo.a 21 assert_equal 2, foo.b 22 assert_nil foo.c 23 end 24 25 class Bar < Struct.new(:foo, :bar) 26 attr_reader :baz 27 def initialize *args 28 super 29 @baz = 'hello' 30 end 31 32 def to_yaml_properties 33 [] 34 end 35 end 36 37 def test_struct_dump_yaml_properties 38 bar = Psych.load(Psych.dump(Bar.new('a', 'b'))) 39 assert_equal 'a', bar.foo 40 assert_equal 'b', bar.bar 41 assert_nil bar.baz 42 end 43 44 def test_string_dump 45 string = "okonomiyaki" 46 class << string 47 def to_yaml_properties 48 [:@tastes] 49 end 50 end 51 52 string.instance_variable_set(:@tastes, 'delicious') 53 v = Psych.load Psych.dump string 54 assert_equal 'delicious', v.instance_variable_get(:@tastes) 55 end 56 57 def test_string_load_syck 58 str = Psych.load("--- !str \nstr: okonomiyaki\n:@tastes: delicious\n") 59 assert_equal 'okonomiyaki', str 60 assert_equal 'delicious', str.instance_variable_get(:@tastes) 61 end 62 end 63end 64