test/test_psych.rb


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require 'minitest/autorun'
require 'psych'

class TestPsych < MiniTest::Unit::TestCase
  def test_simple
    assert_equal 'foo', Psych.load("--- foo\n")
  end

  def test_libyaml_version
    assert Psych.libyaml_version
    assert_equal Psych.libyaml_version.join('.'), Psych::LIBYAML_VERSION
  end

  def test_load_documents
    docs = []
    Psych.load_documents("--- foo\n...\n--- bar\n...") { |doc|
      docs << doc
    }
    assert_equal %w{ foo bar }, docs
  end

  def test_domain_types
    got = nil
    Psych.add_domain_type 'foo.bar,2002', 'foo' do |type, val|
      got = val
    end

    Psych.load('--- !foo.bar,2002/foo hello')
    assert_equal 'hello', got

    Psych.load("--- !foo.bar,2002/foo\n- hello\n- world")
    assert_equal %w{ hello world }, got

    Psych.load("--- !foo.bar,2002/foo\nhello: world")
    assert_equal({ 'hello' => 'world' }, got)
  end
end