test/psych/test_exception.rb


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require 'psych/helper'

module Psych
  class TestException < TestCase
    class Wups < Exception
      attr_reader :foo, :bar
      def initialize *args
        super
        @foo = 1
        @bar = 2
      end
    end

    def setup
      super
      @wups = Wups.new
    end

    def test_attributes
      e = assert_raises(Psych::SyntaxError) {
        Psych.load '--- `foo'
      }

      assert_equal '<unknown>', e.file
      assert_equal 1, e.line
      assert_equal 5, e.column
      # FIXME: offset isn't being set correctly by libyaml
      # assert_equal 5, e.offset

      assert e.problem
      assert e.context
    end

    def test_convert
      w = Psych.load(Psych.dump(@wups))
      assert_equal @wups, w
      assert_equal 1, w.foo
      assert_equal 2, w.bar
    end

    def test_to_yaml_properties
      class << @wups
        def to_yaml_properties
          [:@foo]
        end
      end

      w = Psych.load(Psych.dump(@wups))
      assert_equal @wups, w
      assert_equal 1, w.foo
      assert_nil w.bar
    end
  end
end