require 'psych/helper' module Psych class TestCoder < TestCase class InitApi attr_accessor :implicit attr_accessor :style attr_accessor :tag attr_accessor :a, :b, :c def initialize @a = 1 @b = 2 @c = 3 end def init_with coder @a = coder['aa'] @b = coder['bb'] @implicit = coder.implicit @tag = coder.tag @style = coder.style end def encode_with coder coder['aa'] = @a coder['bb'] = @b end end class TaggingCoder < InitApi def encode_with coder super coder.tag = coder.tag.sub(/!/, '!hello') coder.implicit = false coder.style = Psych::Nodes::Mapping::FLOW end end class ScalarCoder def encode_with coder coder.scalar = "foo" end end class Represent yaml_tag 'foo' def encode_with coder coder.represent_scalar 'foo', 'bar' end end class RepresentWithInit yaml_tag name attr_accessor :str def init_with coder @str = coder.scalar end def encode_with coder coder.represent_scalar self.class.name, 'bar' end end class RepresentWithSeq yaml_tag name attr_accessor :seq def init_with coder @seq = coder.seq end def encode_with coder coder.represent_seq self.class.name, %w{ foo bar } end end class RepresentWithMap yaml_tag name attr_accessor :map def init_with coder @map = coder.map end def encode_with coder coder.represent_map self.class.name, { 'a' => 'b' } end end class RepresentWithObject def encode_with coder coder.represent_object self.class.name, 20 end end def test_represent_with_object thing = Psych.load(Psych.dump(RepresentWithObject.new)) assert_equal 20, thing end def test_json_dump_exclude_tag refute_match('TestCoder::InitApi', Psych.to_json(InitApi.new)) end def test_map_takes_block coder = Psych::Coder.new 'foo' tag = coder.tag style = coder.style coder.map { |map| map.add 'foo', 'bar' } assert_equal 'bar', coder['foo'] assert_equal tag, coder.tag assert_equal style, coder.style end def test_map_with_tag coder = Psych::Coder.new 'foo' coder.map('hello') { |map| map.add 'foo', 'bar' } assert_equal 'bar', coder['foo'] assert_equal 'hello', coder.tag end def test_map_with_tag_and_style coder = Psych::Coder.new 'foo' coder.map('hello', 'world') { |map| map.add 'foo', 'bar' } assert_equal 'bar', coder['foo'] assert_equal 'hello', coder.tag assert_equal 'world', coder.style end def test_represent_map thing = Psych.load(Psych.dump(RepresentWithMap.new)) assert_equal({ 'a' => 'b' }, thing.map) end def test_represent_sequence thing = Psych.load(Psych.dump(RepresentWithSeq.new)) assert_equal %w{ foo bar }, thing.seq end def test_represent_with_init thing = Psych.load(Psych.dump(RepresentWithInit.new)) assert_equal 'bar', thing.str end def test_represent! assert_match(/foo/, Psych.dump(Represent.new)) assert_instance_of(Represent, Psych.load(Psych.dump(Represent.new))) end def test_scalar_coder foo = Psych.load(Psych.dump(ScalarCoder.new)) assert_equal 'foo', foo end def test_load_dumped_tagging foo = InitApi.new bar = Psych.load(Psych.dump(foo)) assert_equal false, bar.implicit assert_equal "!ruby/object:Psych::TestCoder::InitApi", bar.tag assert_equal Psych::Nodes::Mapping::BLOCK, bar.style end def test_dump_with_tag foo = TaggingCoder.new assert_match(/hello/, Psych.dump(foo)) assert_match(/\{aa/, Psych.dump(foo)) end def test_dump_encode_with foo = InitApi.new assert_match(/aa/, Psych.dump(foo)) end def test_dump_init_with foo = InitApi.new bar = Psych.load(Psych.dump(foo)) assert_equal foo.a, bar.a assert_equal foo.b, bar.b assert_nil bar.c end end end