46 lines
830 B
Ruby
46 lines
830 B
Ruby
# frozen_string_literal: true
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require_relative 'helper'
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module Psych
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class Tagged
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yaml_tag '!foo'
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attr_accessor :baz
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def initialize
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@baz = 'bar'
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end
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end
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class Foo
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attr_accessor :parent
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def initialize parent
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@parent = parent
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end
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end
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class TestObject < TestCase
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def test_dump_with_tag
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tag = Tagged.new
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assert_match('foo', Psych.dump(tag))
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end
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def test_tag_round_trip
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tag = Tagged.new
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tag2 = Psych.unsafe_load(Psych.dump(tag))
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assert_equal tag.baz, tag2.baz
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assert_instance_of(Tagged, tag2)
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end
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def test_cyclic_references
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foo = Foo.new(nil)
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foo.parent = foo
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loaded = Psych.unsafe_load Psych.dump foo
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assert_instance_of(Foo, loaded)
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assert_equal loaded, loaded.parent
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end
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end
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end
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