require 'cases/helper' require 'models/topic' class YamlSerializationTest < ActiveRecord::TestCase fixtures :topics def test_to_yaml_with_time_with_zone_should_not_raise_exception with_timezone_config aware_attributes: true, zone: "Pacific Time (US & Canada)" do topic = Topic.new(:written_on => DateTime.now) assert_nothing_raised { topic.to_yaml } end end def test_roundtrip topic = Topic.first assert topic t = YAML.load YAML.dump topic assert_equal topic, t end def test_roundtrip_serialized_column topic = Topic.new(:content => {:omg=>:lol}) assert_equal({:omg=>:lol}, YAML.load(YAML.dump(topic)).content) end def test_psych_roundtrip topic = Topic.first assert topic t = Psych.load Psych.dump topic assert_equal topic, t end def test_psych_roundtrip_new_object topic = Topic.new assert topic t = Psych.load Psych.dump topic assert_equal topic.attributes, t.attributes end def test_active_record_relation_serialization [Topic.all].to_yaml end def test_raw_types_are_not_changed_on_round_trip topic = Topic.new(parent_id: "123") assert_equal "123", topic.parent_id_before_type_cast assert_equal "123", YAML.load(YAML.dump(topic)).parent_id_before_type_cast end def test_cast_types_are_not_changed_on_round_trip topic = Topic.new(parent_id: "123") assert_equal 123, topic.parent_id assert_equal 123, YAML.load(YAML.dump(topic)).parent_id end def test_new_records_remain_new_after_round_trip topic = Topic.new assert topic.new_record?, "Sanity check that new records are new" assert YAML.load(YAML.dump(topic)).new_record?, "Record should be new after deserialization" topic.save! assert_not topic.new_record?, "Saved records are not new" assert_not YAML.load(YAML.dump(topic)).new_record?, "Saved record should not be new after deserialization" topic = Topic.select('title').last assert_not topic.new_record?, "Loaded records without ID are not new" assert_not YAML.load(YAML.dump(topic)).new_record?, "Record should not be new after deserialization" end end