diff options
-rw-r--r-- | activerecord/lib/active_record.rb | 1 | ||||
-rw-r--r-- | activerecord/lib/active_record/core.rb | 2 | ||||
-rw-r--r-- | activerecord/lib/active_record/legacy_yaml_adapter.rb | 30 | ||||
-rw-r--r-- | activerecord/test/cases/yaml_serialization_test.rb | 43 |
4 files changed, 76 insertions, 0 deletions
diff --git a/activerecord/lib/active_record.rb b/activerecord/lib/active_record.rb index ef14e065ae..58a4694880 100644 --- a/activerecord/lib/active_record.rb +++ b/activerecord/lib/active_record.rb @@ -43,6 +43,7 @@ module ActiveRecord autoload :Explain autoload :Inheritance autoload :Integration + autoload :LegacyYamlAdapter autoload :Migration autoload :Migrator, 'active_record/migration' autoload :ModelSchema diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index 97ce4642aa..640642e90b 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -300,6 +300,7 @@ module ActiveRecord # post.init_with('attributes' => { 'title' => 'hello world' }) # post.title # => 'hello world' def init_with(coder) + coder = LegacyYamlAdapter.convert(self.class, coder) @attributes = coder['attributes'] init_internals @@ -370,6 +371,7 @@ module ActiveRecord coder['raw_attributes'] = attributes_before_type_cast coder['attributes'] = @attributes coder['new_record'] = new_record? + coder['active_record_yaml_version'] = 1 end # Returns true if +comparison_object+ is the same exact object, or +comparison_object+ diff --git a/activerecord/lib/active_record/legacy_yaml_adapter.rb b/activerecord/lib/active_record/legacy_yaml_adapter.rb new file mode 100644 index 0000000000..0d018d4352 --- /dev/null +++ b/activerecord/lib/active_record/legacy_yaml_adapter.rb @@ -0,0 +1,30 @@ +module ActiveRecord + module LegacyYamlAdapter + def self.convert(klass, coder) + return coder unless coder.is_a?(Psych::Coder) + + case coder["active_record_yaml_version"] + when 1 then coder + else + if coder["attributes"].is_a?(AttributeSet) + coder + else + Rails41.convert(klass, coder) + end + end + end + + module Rails41 + def self.convert(klass, coder) + attributes = klass.attributes_builder + .build_from_database(coder["attributes"]) + new_record = coder["attributes"][klass.primary_key].blank? + + { + "attributes" => attributes, + "new_record" => new_record, + } + end + end + end +end diff --git a/activerecord/test/cases/yaml_serialization_test.rb b/activerecord/test/cases/yaml_serialization_test.rb index bce59b4fcd..65cd54e380 100644 --- a/activerecord/test/cases/yaml_serialization_test.rb +++ b/activerecord/test/cases/yaml_serialization_test.rb @@ -83,4 +83,47 @@ class YamlSerializationTest < ActiveRecord::TestCase assert_equal 5, author.posts_count assert_equal 5, dumped.posts_count end + + def test_a_yaml_version_is_provided_for_future_backwards_compat + coder = {} + Topic.first.encode_with(coder) + + assert coder['active_record_yaml_version'] + end + + def test_deserializing_rails_41_yaml + yaml = <<-YAML.strip_heredoc + --- !ruby/object:Topic + attributes: + id: + title: The First Topic + author_name: David + author_email_address: david@loudthinking.com + written_on: 2003-07-16 14:28:11.223300000 Z + bonus_time: 2000-01-01 14:28:00.000000000 Z + last_read: 2004-04-15 + content: | + --- + :omg: :lol + important: + approved: false + replies_count: 1 + unique_replies_count: 0 + parent_id: + parent_title: + type: + group: + created_at: 2015-03-10 17:05:42.000000000 Z + updated_at: 2015-03-10 17:05:42.000000000 Z + YAML + topic = YAML.load(yaml) + + assert topic.new_record? + assert_equal nil, topic.id + assert_equal "The First Topic", topic.title + assert_equal({ omg: :lol }, topic.content) + end + + def test_deserializing_rails_42_yaml + end end |