require 'helper' module YAML class TestOmap < Test::Unit::TestCase def test_self_referential map = YAML::Omap.new map['foo'] = 'bar' map['self'] = map assert_equal(map, YAML.load(YAML.dump(map))) end def test_keys map = YAML::Omap.new map['foo'] = 'bar' assert_equal 'bar', map['foo'] end def test_order map = YAML::Omap.new map['a'] = 'b' map['b'] = 'c' assert_equal [%w{a b}, %w{b c}], map.to_a end def test_square list = [["a", "b"], ["b", "c"]] map = YAML::Omap[*list.flatten] assert_equal list, map.to_a assert_equal 'b', map['a'] assert_equal 'c', map['b'] end def test_to_yaml map = YAML::Omap['a', 'b', 'c', 'd'] yaml = map.to_yaml assert_match('!omap', yaml) assert_match('- a: b', yaml) assert_match('- c: d', yaml) end def test_round_trip list = [["a", "b"], ["b", "c"]] map = YAML::Omap[*list.flatten] loaded = YAML.load(YAML.dump(map)) assert_equal map, loaded assert_equal list, loaded.to_a end def test_load list = [["a", "b"], ["c", "d"]] map = YAML.load(<<-eoyml) --- !omap - a: b - c: d eoyml assert_equal list, map.to_a end # NOTE: This test will not work with Syck def test_load_shorthand list = [["a", "b"], ["c", "d"]] map = YAML.load(<<-eoyml) --- !!omap - a: b - c: d eoyml assert_equal list, map.to_a end end end