diff options
Diffstat (limited to 'activemodel/test/cases/serializers/json_serialization_test.rb')
| -rw-r--r-- | activemodel/test/cases/serializers/json_serialization_test.rb | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/activemodel/test/cases/serializers/json_serialization_test.rb b/activemodel/test/cases/serializers/json_serialization_test.rb new file mode 100644 index 0000000000..4ac5fb1779 --- /dev/null +++ b/activemodel/test/cases/serializers/json_serialization_test.rb @@ -0,0 +1,221 @@ +require 'cases/helper' +require 'models/contact' +require 'models/automobile' +require 'active_support/core_ext/object/instance_variables' + +class Contact + extend ActiveModel::Naming + include ActiveModel::Serializers::JSON + include ActiveModel::Validations + + def attributes=(hash) + hash.each do |k, v| + instance_variable_set("@#{k}", v) + end + end + + remove_method :attributes if method_defined?(:attributes) + + def attributes + instance_values + end +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 (class method)" 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 root in json (option) even if the default is set to false" do + begin + Contact.include_root_in_json = false + json = @contact.to_json(:root => true) + assert_match %r{^\{"contact":\{}, json + ensure + Contact.include_root_in_json = true + end + end + + test "should not include root in json (option)" do + + json = @contact.to_json(:root => false) + + assert_no_match %r{^\{"contact":\{}, json + 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 + contact = Contact.new + contact.errors.add :name, "can't be blank" + contact.errors.add :name, "is too short (minimum is 2 characters)" + contact.errors.add :age, "must be 16 or over" + + hash = ActiveSupport::OrderedHash.new + hash[:name] = ["can't be blank", "is too short (minimum is 2 characters)"] + hash[:age] = ["must be 16 or over"] + assert_equal hash.to_json, contact.errors.to_json + end + + test "serializable_hash should not modify options passed in argument" do + options = { :except => :name } + @contact.serializable_hash(options) + + assert_nil options[:only] + assert_equal :name, options[:except] + end + + test "as_json should return a hash" do + json = @contact.as_json + + assert_kind_of Hash, json + assert_kind_of Hash, json['contact'] + %w(name age created_at awesome preferences).each do |field| + assert_equal @contact.send(field), json['contact'][field] + end + end + + test "from_json should set the object's attributes" do + json = @contact.to_json + result = Contact.new.from_json(json) + + assert_equal result.name, @contact.name + assert_equal result.age, @contact.age + assert_equal Time.parse(result.created_at), @contact.created_at + assert_equal result.awesome, @contact.awesome + assert_equal result.preferences, @contact.preferences + end + + test "from_json should work without a root (method parameter)" do + json = @contact.to_json(:root => false) + result = Contact.new.from_json(json, false) + + assert_equal result.name, @contact.name + assert_equal result.age, @contact.age + assert_equal Time.parse(result.created_at), @contact.created_at + assert_equal result.awesome, @contact.awesome + assert_equal result.preferences, @contact.preferences + end + + test "from_json should work without a root (class attribute)" do + begin + Contact.include_root_in_json = false + json = @contact.to_json + result = Contact.new.from_json(json) + + assert_equal result.name, @contact.name + assert_equal result.age, @contact.age + assert_equal Time.parse(result.created_at), @contact.created_at + assert_equal result.awesome, @contact.awesome + assert_equal result.preferences, @contact.preferences + ensure + Contact.include_root_in_json = true + end + end + + test "custom as_json should be honored when generating json" do + def @contact.as_json(options); { :name => name, :created_at => created_at }; end + json = @contact.to_json + + assert_match %r{"name":"Konata Izumi"}, json + assert_match %r{"created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}}, json + assert_no_match %r{"awesome":}, json + assert_no_match %r{"preferences":}, json + end + + test "custom as_json options should be extendible" do + def @contact.as_json(options = {}); super(options.merge(:only => [:name])); end + json = @contact.to_json + + assert_match %r{"name":"Konata Izumi"}, json + assert_no_match %r{"created_at":#{ActiveSupport::JSON.encode(Time.utc(2006, 8, 1))}}, json + assert_no_match %r{"awesome":}, json + assert_no_match %r{"preferences":}, json + end + +end |