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require 'minitest/autorun'
require 'psych'
module Psych
module Visitors
class TestYASTBuilder < MiniTest::Unit::TestCase
def setup
@v = Visitors::YASTBuilder.new
end
def test_scalar
@v.accept 'foo'
assert_equal 'foo', Psych.load(@v.tree.to_yaml)
assert_equal 'foo', Psych.load('foo'.to_yaml)
end
def test_binary
string = [0, 123,22, 44, 9, 32, 34, 39].pack('C*')
assert_equal string, Psych.load(string.to_yaml)
end
def test_anon_class
assert_raises(TypeError) do
@v.accept Class.new
end
assert_raises(TypeError) do
Class.new.to_yaml
end
end
def test_hash
assert_round_trip('a' => 'b')
end
def test_list
assert_round_trip(%w{ a b })
end
def test_nil
assert_round_trip nil
end
def assert_round_trip obj
@v.accept(obj)
assert_equal(obj, Psych.load(@v.tree.to_yaml))
assert_equal(obj, Psych.load(obj.to_yaml))
assert_equal(obj, Psych.load(Psych.dump(obj)))
end
end
end
end
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