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require_relative 'helper'
module Psych
class TestToYamlProperties < MiniTest::Unit::TestCase
class Foo
attr_accessor :a, :b, :c
def initialize
@a = 1
@b = 2
@c = 3
end
def to_yaml_properties
[:@a, :@b]
end
end
def test_object_dump_yaml_properties
foo = Psych.load(Psych.dump(Foo.new))
assert_equal 1, foo.a
assert_equal 2, foo.b
assert_nil foo.c
end
class Bar < Struct.new(:foo, :bar)
attr_reader :baz
def initialize *args
super
@baz = 'hello'
end
def to_yaml_properties
[]
end
end
def test_struct_dump_yaml_properties
bar = Psych.load(Psych.dump(Bar.new('a', 'b')))
assert_equal 'a', bar.foo
assert_equal 'b', bar.bar
assert_nil bar.baz
end
def test_string_dump
string = "okonomiyaki"
class << string
def to_yaml_properties
[:@tastes]
end
end
string.instance_variable_set(:@tastes, 'delicious')
v = Psych.load Psych.dump string
assert_equal 'delicious', v.instance_variable_get(:@tastes)
end
def test_string_load_syck
str = Psych.load("--- !str \nstr: okonomiyaki\n:@tastes: delicious\n")
assert_equal 'okonomiyaki', str
assert_equal 'delicious', str.instance_variable_get(:@tastes)
end
end
end
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