require 'cases/helper' require 'models/contact' require 'active_support/core_ext/object/instance_variables' class Contact extend ActiveModel::Naming include ActiveModel::Serializers::JSON def attributes instance_values end unless method_defined?(:attributes) end class JsonSerializationTest < ActiveModel::TestCase def setup @contact = Contact.new @contact.name = 'Konata Izumi' @contact.age = 16 @contact.created_at = Time.utc(2006, 8, 1) @contact.awesome = true @contact.preferences = { 'shows' => 'anime' } end test "should include root in json" do json = @contact.to_json assert_match %r{^\{"contact":\{}, json assert_match %r{"name":"Konata Izumi"}, json assert_match %r{"age":16}, json assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_match %r{"awesome":true}, json assert_match %r{"preferences":\{"shows":"anime"\}}, json end test "should not include root in json" do begin Contact.include_root_in_json = false json = @contact.to_json assert_no_match %r{^\{"contact":\{}, json assert_match %r{"name":"Konata Izumi"}, json assert_match %r{"age":16}, json assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_match %r{"awesome":true}, json assert_match %r{"preferences":\{"shows":"anime"\}}, json ensure Contact.include_root_in_json = true end end test "should include custom root in json" do json = @contact.to_json(:root => 'json_contact') assert_match %r{^\{"json_contact":\{}, json assert_match %r{"name":"Konata Izumi"}, json assert_match %r{"age":16}, json assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_match %r{"awesome":true}, json assert_match %r{"preferences":\{"shows":"anime"\}}, json end test "should encode all encodable attributes" do json = @contact.to_json assert_match %r{"name":"Konata Izumi"}, json assert_match %r{"age":16}, json assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_match %r{"awesome":true}, json assert_match %r{"preferences":\{"shows":"anime"\}}, json end test "should allow attribute filtering with only" do json = @contact.to_json(:only => [:name, :age]) assert_match %r{"name":"Konata Izumi"}, json assert_match %r{"age":16}, json assert_no_match %r{"awesome":true}, json assert !json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_no_match %r{"preferences":\{"shows":"anime"\}}, json end test "should allow attribute filtering with except" do json = @contact.to_json(:except => [:name, :age]) assert_no_match %r{"name":"Konata Izumi"}, json assert_no_match %r{"age":16}, json assert_match %r{"awesome":true}, json assert json.include?(%("created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))})) assert_match %r{"preferences":\{"shows":"anime"\}}, json end test "methods are called on object" do # Define methods on fixture. def @contact.label; "Has cheezburger"; end def @contact.favorite_quote; "Constraints are liberating"; end # Single method. assert_match %r{"label":"Has cheezburger"}, @contact.to_json(:only => :name, :methods => :label) # Both methods. methods_json = @contact.to_json(:only => :name, :methods => [:label, :favorite_quote]) assert_match %r{"label":"Has cheezburger"}, methods_json assert_match %r{"favorite_quote":"Constraints are liberating"}, methods_json end test "should return OrderedHash for errors" do car = Automobile.new # run the validation car.valid? hash = ActiveSupport::OrderedHash.new hash[:make] = "can't be blank" hash[:model] = "is too short (minimum is 2 characters)" assert_equal hash.to_json, car.errors.to_json end end