require 'cases/helper' require 'models/topic' require 'models/reply' require 'models/person' require 'models/traffic_light' require 'models/post' require 'bcrypt' class SerializedAttributeTest < ActiveRecord::TestCase fixtures :topics, :posts MyObject = Struct.new :attribute1, :attribute2 teardown do Topic.serialize("content") end def test_serialize_does_not_eagerly_load_columns Topic.reset_column_information assert_no_queries do Topic.serialize(:content) end end def test_list_of_serialized_attributes assert_deprecated do assert_equal %w(content), Topic.serialized_attributes.keys end end def test_serialized_attribute Topic.serialize("content", MyObject) myobj = MyObject.new('value1', 'value2') topic = Topic.create("content" => myobj) assert_equal(myobj, topic.content) topic.reload assert_equal(myobj, topic.content) end def test_serialized_attribute_in_base_class Topic.serialize("content", Hash) hash = { 'content1' => 'value1', 'content2' => 'value2' } important_topic = ImportantTopic.create("content" => hash) assert_equal(hash, important_topic.content) important_topic.reload assert_equal(hash, important_topic.content) end def test_serialized_attributes_from_database_on_subclass Topic.serialize :content, Hash t = Reply.new(content: { foo: :bar }) assert_equal({ foo: :bar }, t.content) t.save! t = Reply.last assert_equal({ foo: :bar }, t.content) end def test_serialized_attribute_calling_dup_method Topic.serialize :content, JSON orig = Topic.new(content: { foo: :bar }) clone = orig.dup assert_equal(orig.content, clone.content) end def test_serialized_json_attribute_returns_unserialized_value Topic.serialize :content, JSON my_post = posts(:welcome) t = Topic.new(content: my_post) t.save! t.reload assert_instance_of(Hash, t.content) assert_equal(my_post.id, t.content["id"]) assert_equal(my_post.title, t.content["title"]) end def test_json_read_legacy_null Topic.serialize :content, JSON # Force a row to have a JSON "null" instead of a database NULL (this is how # null values are saved on 4.1 and before) id = Topic.connection.insert "INSERT INTO topics (content) VALUES('null')" t = Topic.find(id) assert_nil t.content end def test_json_read_db_null Topic.serialize :content, JSON # Force a row to have a database NULL instead of a JSON "null" id = Topic.connection.insert "INSERT INTO topics (content) VALUES(NULL)" t = Topic.find(id) assert_nil t.content end def test_serialized_attribute_declared_in_subclass hash = { 'important1' => 'value1', 'important2' => 'value2' } important_topic = ImportantTopic.create("important" => hash) assert_equal(hash, important_topic.important) important_topic.reload assert_equal(hash, important_topic.important) assert_equal(hash, important_topic.read_attribute(:important)) end def test_serialized_time_attribute myobj = Time.local(2008,1,1,1,0) topic = Topic.create("content" => myobj).reload assert_equal(myobj, topic.content) end def test_serialized_string_attribute myobj = "Yes" topic = Topic.create("content" => myobj).reload assert_equal(myobj, topic.content) end def test_nil_serialized_attribute_without_class_constraint topic = Topic.new assert_nil topic.content end def test_nil_not_serialized_without_class_constraint assert Topic.new(:content => nil).save assert_equal 1, Topic.where(:content => nil).count end def test_nil_not_serialized_with_class_constraint Topic.serialize :content, Hash assert Topic.new(:content => nil).save assert_equal 1, Topic.where(:content => nil).count end def test_serialized_attribute_should_raise_exception_on_save_with_wrong_type Topic.serialize(:content, Hash) assert_raise(ActiveRecord::SerializationTypeMismatch) do topic = Topic.new(content: 'string') topic.save end end def test_should_raise_exception_on_serialized_attribute_with_type_mismatch myobj = MyObject.new('value1', 'value2') topic = Topic.new(:content => myobj) assert topic.save Topic.serialize(:content, Hash) assert_raise(ActiveRecord::SerializationTypeMismatch) { Topic.find(topic.id).content } end def test_serialized_attribute_with_class_constraint settings = { "color" => "blue" } Topic.serialize(:content, Hash) topic = Topic.new(:content => settings) assert topic.save assert_equal(settings, Topic.find(topic.id).content) end def test_serialized_default_class Topic.serialize(:content, Hash) topic = Topic.new assert_equal Hash, topic.content.class assert_equal Hash, topic.read_attribute(:content).class topic.content["beer"] = "MadridRb" assert topic.save topic.reload assert_equal Hash, topic.content.class assert_equal "MadridRb", topic.content["beer"] end def test_serialized_no_default_class_for_object topic = Topic.new assert_nil topic.content end def test_serialized_boolean_value_true topic = Topic.new(:content => true) assert topic.save topic = topic.reload assert_equal topic.content, true end def test_serialized_boolean_value_false topic = Topic.new(:content => false) assert topic.save topic = topic.reload assert_equal topic.content, false end def test_serialize_with_coder some_class = Struct.new(:foo) do def self.dump(value) value.foo end def self.load(value) new(value) end end Topic.serialize(:content, some_class) topic = Topic.new(:content => some_class.new('my value')) topic.save! topic.reload assert_kind_of some_class, topic.content assert_equal topic.content, some_class.new('my value') end def test_serialize_attribute_via_select_method_when_time_zone_available with_timezone_config aware_attributes: true do Topic.serialize(:content, MyObject) myobj = MyObject.new('value1', 'value2') topic = Topic.create(content: myobj) assert_equal(myobj, Topic.select(:content).find(topic.id).content) assert_raise(ActiveModel::MissingAttributeError) { Topic.select(:id).find(topic.id).content } end end def test_serialize_attribute_can_be_serialized_in_an_integer_column insures = ['life'] person = SerializedPerson.new(first_name: 'David', insures: insures) assert person.save person = person.reload assert_equal(insures, person.insures) end def test_regression_serialized_default_on_text_column_with_null_false light = TrafficLight.new assert_equal [], light.state assert_equal [], light.long_state end def test_serialized_column_should_unserialize_after_update_column t = Topic.create(content: "first") assert_equal("first", t.content) t.update_column(:content, Topic.type_for_attribute('content').type_cast_for_database("second")) assert_equal("second", t.content) end def test_serialized_column_should_unserialize_after_update_attribute t = Topic.create(content: "first") assert_equal("first", t.content) t.update_attribute(:content, "second") assert_equal("second", t.content) end end