require "cases/helper" require "models/pirate" require "models/ship" require "models/ship_part" require "models/bird" require "models/parrot" require "models/treasure" require "models/man" require "models/interest" require "models/owner" require "models/pet" require "active_support/hash_with_indifferent_access" class TestNestedAttributesInGeneral < ActiveRecord::TestCase teardown do Pirate.accepts_nested_attributes_for :ship, allow_destroy: true, reject_if: proc(&:empty?) end def test_base_should_have_an_empty_nested_attributes_options assert_equal Hash.new, ActiveRecord::Base.nested_attributes_options end def test_should_add_a_proc_to_nested_attributes_options assert_equal ActiveRecord::NestedAttributes::ClassMethods::REJECT_ALL_BLANK_PROC, Pirate.nested_attributes_options[:birds_with_reject_all_blank][:reject_if] [:parrots, :birds].each do |name| assert_instance_of Proc, Pirate.nested_attributes_options[name][:reject_if] end end def test_should_not_build_a_new_record_using_reject_all_even_if_destroy_is_given pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") pirate.birds_with_reject_all_blank_attributes = [{ name: "", color: "", _destroy: "0" }] pirate.save! assert pirate.birds_with_reject_all_blank.empty? end def test_should_not_build_a_new_record_if_reject_all_blank_returns_false pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") pirate.birds_with_reject_all_blank_attributes = [{ name: "", color: "" }] pirate.save! assert pirate.birds_with_reject_all_blank.empty? end def test_should_build_a_new_record_if_reject_all_blank_does_not_return_false pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") pirate.birds_with_reject_all_blank_attributes = [{ name: "Tweetie", color: "" }] pirate.save! assert_equal 1, pirate.birds_with_reject_all_blank.count assert_equal "Tweetie", pirate.birds_with_reject_all_blank.first.name end def test_should_raise_an_ArgumentError_for_non_existing_associations exception = assert_raise ArgumentError do Pirate.accepts_nested_attributes_for :honesty end assert_equal "No association found for name `honesty'. Has it been defined yet?", exception.message end def test_should_raise_an_UnknownAttributeError_for_non_existing_nested_attributes exception = assert_raise ActiveModel::UnknownAttributeError do Pirate.new(ship_attributes: { sail: true }) end assert_equal "unknown attribute 'sail' for Ship.", exception.message end def test_should_disable_allow_destroy_by_default Pirate.accepts_nested_attributes_for :ship pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") ship = pirate.create_ship(name: "Nights Dirty Lightning") pirate.update(ship_attributes: { "_destroy" => true, :id => ship.id }) assert_nothing_raised { pirate.ship.reload } end def test_a_model_should_respond_to_underscore_destroy_and_return_if_it_is_marked_for_destruction ship = Ship.create!(name: "Nights Dirty Lightning") assert !ship._destroy ship.mark_for_destruction assert ship._destroy end def test_reject_if_method_without_arguments Pirate.accepts_nested_attributes_for :ship, reject_if: :new_record? pirate = Pirate.new(catchphrase: "Stop wastin' me time") pirate.ship_attributes = { name: "Black Pearl" } assert_no_difference("Ship.count") { pirate.save! } end def test_reject_if_method_with_arguments Pirate.accepts_nested_attributes_for :ship, reject_if: :reject_empty_ships_on_create pirate = Pirate.new(catchphrase: "Stop wastin' me time") pirate.ship_attributes = { name: "Red Pearl", _reject_me_if_new: true } assert_no_difference("Ship.count") { pirate.save! } # pirate.reject_empty_ships_on_create returns false for saved pirate records # in the previous step note that pirate gets saved but ship fails pirate.ship_attributes = { name: "Red Pearl", _reject_me_if_new: true } assert_difference("Ship.count") { pirate.save! } end def test_reject_if_with_indifferent_keys Pirate.accepts_nested_attributes_for :ship, reject_if: proc { |attributes| attributes[:name].blank? } pirate = Pirate.new(catchphrase: "Stop wastin' me time") pirate.ship_attributes = { name: "Hello Pearl" } assert_difference("Ship.count") { pirate.save! } end def test_reject_if_with_a_proc_which_returns_true_always_for_has_one Pirate.accepts_nested_attributes_for :ship, reject_if: proc { |attributes| true } pirate = Pirate.new(catchphrase: "Stop wastin' me time") ship = pirate.create_ship(name: "s1") pirate.update(ship_attributes: { name: "s2", id: ship.id }) assert_equal "s1", ship.reload.name end def test_reuse_already_built_new_record pirate = Pirate.new ship_built_first = pirate.build_ship pirate.ship_attributes = { name: "Ship 1" } assert_equal ship_built_first.object_id, pirate.ship.object_id end def test_do_not_allow_assigning_foreign_key_when_reusing_existing_new_record pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") pirate.build_ship pirate.ship_attributes = { name: "Ship 1", pirate_id: pirate.id + 1 } assert_equal pirate.id, pirate.ship.pirate_id end def test_reject_if_with_a_proc_which_returns_true_always_for_has_many Man.accepts_nested_attributes_for :interests, reject_if: proc { |attributes| true } man = Man.create(name: "John") interest = man.interests.create(topic: "photography") man.update(interests_attributes: { topic: "gardening", id: interest.id }) assert_equal "photography", interest.reload.topic end def test_destroy_works_independent_of_reject_if Man.accepts_nested_attributes_for :interests, reject_if: proc { |attributes| true }, allow_destroy: true man = Man.create(name: "Jon") interest = man.interests.create(topic: "the ladies") man.update(interests_attributes: { _destroy: "1", id: interest.id }) assert man.reload.interests.empty? end def test_reject_if_is_not_short_circuited_if_allow_destroy_is_false Pirate.accepts_nested_attributes_for :ship, reject_if: ->(a) { a[:name] == "The Golden Hind" }, allow_destroy: false pirate = Pirate.create!(catchphrase: "Stop wastin' me time", ship_attributes: { name: "White Pearl", _destroy: "1" }) assert_equal "White Pearl", pirate.reload.ship.name pirate.update!(ship_attributes: { id: pirate.ship.id, name: "The Golden Hind", _destroy: "1" }) assert_equal "White Pearl", pirate.reload.ship.name pirate.update!(ship_attributes: { id: pirate.ship.id, name: "Black Pearl", _destroy: "1" }) assert_equal "Black Pearl", pirate.reload.ship.name end def test_has_many_association_updating_a_single_record Man.accepts_nested_attributes_for(:interests) man = Man.create(name: "John") interest = man.interests.create(topic: "photography") man.update(interests_attributes: { topic: "gardening", id: interest.id }) assert_equal "gardening", interest.reload.topic end def test_reject_if_with_blank_nested_attributes_id # When using a select list to choose an existing 'ship' id, with include_blank: true Pirate.accepts_nested_attributes_for :ship, reject_if: proc { |attributes| attributes[:id].blank? } pirate = Pirate.new(catchphrase: "Stop wastin' me time") pirate.ship_attributes = { id: "" } assert_nothing_raised { pirate.save! } end def test_first_and_array_index_zero_methods_return_the_same_value_when_nested_attributes_are_set_to_update_existing_record Man.accepts_nested_attributes_for(:interests) man = Man.create(name: "John") interest = man.interests.create topic: "gardening" man = Man.find man.id man.interests_attributes = [{ id: interest.id, topic: "gardening" }] assert_equal man.interests.first.topic, man.interests[0].topic end def test_allows_class_to_override_setter_and_call_super mean_pirate_class = Class.new(Pirate) do accepts_nested_attributes_for :parrot def parrot_attributes=(attrs) super(attrs.merge(color: "blue")) end end mean_pirate = mean_pirate_class.new mean_pirate.parrot_attributes = { name: "James" } assert_equal "James", mean_pirate.parrot.name assert_equal "blue", mean_pirate.parrot.color end def test_accepts_nested_attributes_for_can_be_overridden_in_subclasses Pirate.accepts_nested_attributes_for(:parrot) mean_pirate_class = Class.new(Pirate) do accepts_nested_attributes_for :parrot end mean_pirate = mean_pirate_class.new mean_pirate.parrot_attributes = { name: "James" } assert_equal "James", mean_pirate.parrot.name end end class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase def setup @pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") @ship = @pirate.create_ship(name: "Nights Dirty Lightning") end def test_should_raise_argument_error_if_trying_to_build_polymorphic_belongs_to exception = assert_raise ArgumentError do Treasure.new(name: "pearl", looter_attributes: { catchphrase: "Arrr" }) end assert_equal "Cannot build association `looter'. Are you trying to build a polymorphic one-to-one association?", exception.message end def test_should_define_an_attribute_writer_method_for_the_association assert_respond_to @pirate, :ship_attributes= end def test_should_build_a_new_record_if_there_is_no_id @ship.destroy @pirate.reload.ship_attributes = { name: "Davy Jones Gold Dagger" } assert !@pirate.ship.persisted? assert_equal "Davy Jones Gold Dagger", @pirate.ship.name end def test_should_not_build_a_new_record_if_there_is_no_id_and_destroy_is_truthy @ship.destroy @pirate.reload.ship_attributes = { name: "Davy Jones Gold Dagger", _destroy: "1" } assert_nil @pirate.ship end def test_should_not_build_a_new_record_if_a_reject_if_proc_returns_false @ship.destroy @pirate.reload.ship_attributes = {} assert_nil @pirate.ship end def test_should_replace_an_existing_record_if_there_is_no_id @pirate.reload.ship_attributes = { name: "Davy Jones Gold Dagger" } assert !@pirate.ship.persisted? assert_equal "Davy Jones Gold Dagger", @pirate.ship.name assert_equal "Nights Dirty Lightning", @ship.name end def test_should_not_replace_an_existing_record_if_there_is_no_id_and_destroy_is_truthy @pirate.reload.ship_attributes = { name: "Davy Jones Gold Dagger", _destroy: "1" } assert_equal @ship, @pirate.ship assert_equal "Nights Dirty Lightning", @pirate.ship.name end def test_should_modify_an_existing_record_if_there_is_a_matching_id @pirate.reload.ship_attributes = { id: @ship.id, name: "Davy Jones Gold Dagger" } assert_equal @ship, @pirate.ship assert_equal "Davy Jones Gold Dagger", @pirate.ship.name end def test_should_raise_RecordNotFound_if_an_id_is_given_but_doesnt_return_a_record exception = assert_raise ActiveRecord::RecordNotFound do @pirate.ship_attributes = { id: 1234567890 } end assert_equal "Couldn't find Ship with ID=1234567890 for Pirate with ID=#{@pirate.id}", exception.message end def test_should_take_a_hash_with_string_keys_and_update_the_associated_model @pirate.reload.ship_attributes = { "id" => @ship.id, "name" => "Davy Jones Gold Dagger" } assert_equal @ship, @pirate.ship assert_equal "Davy Jones Gold Dagger", @pirate.ship.name end def test_should_modify_an_existing_record_if_there_is_a_matching_composite_id @ship.stub(:id, "ABC1X") do @pirate.ship_attributes = { id: @ship.id, name: "Davy Jones Gold Dagger" } assert_equal "Davy Jones Gold Dagger", @pirate.ship.name end end def test_should_destroy_an_existing_record_if_there_is_a_matching_id_and_destroy_is_truthy @pirate.ship.destroy [1, "1", true, "true"].each do |truth| ship = @pirate.reload.create_ship(name: "Mister Pablo") @pirate.update(ship_attributes: { id: ship.id, _destroy: truth }) assert_nil @pirate.reload.ship assert_raise(ActiveRecord::RecordNotFound) { Ship.find(ship.id) } end end def test_should_not_destroy_an_existing_record_if_destroy_is_not_truthy [nil, "0", 0, "false", false].each do |not_truth| @pirate.update(ship_attributes: { id: @pirate.ship.id, _destroy: not_truth }) assert_equal @ship, @pirate.reload.ship end end def test_should_not_destroy_an_existing_record_if_allow_destroy_is_false Pirate.accepts_nested_attributes_for :ship, allow_destroy: false, reject_if: proc(&:empty?) @pirate.update(ship_attributes: { id: @pirate.ship.id, _destroy: "1" }) assert_equal @ship, @pirate.reload.ship Pirate.accepts_nested_attributes_for :ship, allow_destroy: true, reject_if: proc(&:empty?) end def test_should_also_work_with_a_HashWithIndifferentAccess @pirate.ship_attributes = ActiveSupport::HashWithIndifferentAccess.new(id: @ship.id, name: "Davy Jones Gold Dagger") assert @pirate.ship.persisted? assert_equal "Davy Jones Gold Dagger", @pirate.ship.name end def test_should_work_with_update_as_well @pirate.update(catchphrase: "Arr", ship_attributes: { id: @ship.id, name: "Mister Pablo" }) @pirate.reload assert_equal "Arr", @pirate.catchphrase assert_equal "Mister Pablo", @pirate.ship.name end def test_should_not_destroy_the_associated_model_until_the_parent_is_saved @pirate.attributes = { ship_attributes: { id: @ship.id, _destroy: "1" } } assert !@pirate.ship.destroyed? assert @pirate.ship.marked_for_destruction? @pirate.save assert @pirate.ship.destroyed? assert_nil @pirate.reload.ship end def test_should_automatically_enable_autosave_on_the_association assert Pirate.reflect_on_association(:ship).options[:autosave] end def test_should_accept_update_only_option @pirate.update(update_only_ship_attributes: { id: @pirate.ship.id, name: "Mayflower" }) end def test_should_create_new_model_when_nothing_is_there_and_update_only_is_true @ship.delete @pirate.reload.update(update_only_ship_attributes: { name: "Mayflower" }) assert_not_nil @pirate.ship end def test_should_update_existing_when_update_only_is_true_and_no_id_is_given @ship.delete @ship = @pirate.create_update_only_ship(name: "Nights Dirty Lightning") @pirate.update(update_only_ship_attributes: { name: "Mayflower" }) assert_equal "Mayflower", @ship.reload.name assert_equal @ship, @pirate.reload.ship end def test_should_update_existing_when_update_only_is_true_and_id_is_given @ship.delete @ship = @pirate.create_update_only_ship(name: "Nights Dirty Lightning") @pirate.update(update_only_ship_attributes: { name: "Mayflower", id: @ship.id }) assert_equal "Mayflower", @ship.reload.name assert_equal @ship, @pirate.reload.ship end def test_should_destroy_existing_when_update_only_is_true_and_id_is_given_and_is_marked_for_destruction Pirate.accepts_nested_attributes_for :update_only_ship, update_only: true, allow_destroy: true @ship.delete @ship = @pirate.create_update_only_ship(name: "Nights Dirty Lightning") @pirate.update(update_only_ship_attributes: { name: "Mayflower", id: @ship.id, _destroy: true }) assert_nil @pirate.reload.ship assert_raise(ActiveRecord::RecordNotFound) { Ship.find(@ship.id) } Pirate.accepts_nested_attributes_for :update_only_ship, update_only: true, allow_destroy: false end end class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase def setup @ship = Ship.new(name: "Nights Dirty Lightning") @pirate = @ship.build_pirate(catchphrase: "Aye") @ship.save! end def test_should_define_an_attribute_writer_method_for_the_association assert_respond_to @ship, :pirate_attributes= end def test_should_build_a_new_record_if_there_is_no_id @pirate.destroy @ship.reload.pirate_attributes = { catchphrase: "Arr" } assert !@ship.pirate.persisted? assert_equal "Arr", @ship.pirate.catchphrase end def test_should_not_build_a_new_record_if_there_is_no_id_and_destroy_is_truthy @pirate.destroy @ship.reload.pirate_attributes = { catchphrase: "Arr", _destroy: "1" } assert_nil @ship.pirate end def test_should_not_build_a_new_record_if_a_reject_if_proc_returns_false @pirate.destroy @ship.reload.pirate_attributes = {} assert_nil @ship.pirate end def test_should_replace_an_existing_record_if_there_is_no_id @ship.reload.pirate_attributes = { catchphrase: "Arr" } assert !@ship.pirate.persisted? assert_equal "Arr", @ship.pirate.catchphrase assert_equal "Aye", @pirate.catchphrase end def test_should_not_replace_an_existing_record_if_there_is_no_id_and_destroy_is_truthy @ship.reload.pirate_attributes = { catchphrase: "Arr", _destroy: "1" } assert_equal @pirate, @ship.pirate assert_equal "Aye", @ship.pirate.catchphrase end def test_should_modify_an_existing_record_if_there_is_a_matching_id @ship.reload.pirate_attributes = { id: @pirate.id, catchphrase: "Arr" } assert_equal @pirate, @ship.pirate assert_equal "Arr", @ship.pirate.catchphrase end def test_should_raise_RecordNotFound_if_an_id_is_given_but_doesnt_return_a_record exception = assert_raise ActiveRecord::RecordNotFound do @ship.pirate_attributes = { id: 1234567890 } end assert_equal "Couldn't find Pirate with ID=1234567890 for Ship with ID=#{@ship.id}", exception.message end def test_should_take_a_hash_with_string_keys_and_update_the_associated_model @ship.reload.pirate_attributes = { "id" => @pirate.id, "catchphrase" => "Arr" } assert_equal @pirate, @ship.pirate assert_equal "Arr", @ship.pirate.catchphrase end def test_should_modify_an_existing_record_if_there_is_a_matching_composite_id @pirate.stub(:id, "ABC1X") do @ship.pirate_attributes = { id: @pirate.id, catchphrase: "Arr" } assert_equal "Arr", @ship.pirate.catchphrase end end def test_should_destroy_an_existing_record_if_there_is_a_matching_id_and_destroy_is_truthy @ship.pirate.destroy [1, "1", true, "true"].each do |truth| pirate = @ship.reload.create_pirate(catchphrase: "Arr") @ship.update(pirate_attributes: { id: pirate.id, _destroy: truth }) assert_raise(ActiveRecord::RecordNotFound) { pirate.reload } end end def test_should_unset_association_when_an_existing_record_is_destroyed original_pirate_id = @ship.pirate.id @ship.update! pirate_attributes: { id: @ship.pirate.id, _destroy: true } assert_empty Pirate.where(id: original_pirate_id) assert_nil @ship.pirate_id assert_nil @ship.pirate @ship.reload assert_empty Pirate.where(id: original_pirate_id) assert_nil @ship.pirate_id assert_nil @ship.pirate end def test_should_not_destroy_an_existing_record_if_destroy_is_not_truthy [nil, "0", 0, "false", false].each do |not_truth| @ship.update(pirate_attributes: { id: @ship.pirate.id, _destroy: not_truth }) assert_nothing_raised { @ship.pirate.reload } end end def test_should_not_destroy_an_existing_record_if_allow_destroy_is_false Ship.accepts_nested_attributes_for :pirate, allow_destroy: false, reject_if: proc(&:empty?) @ship.update(pirate_attributes: { id: @ship.pirate.id, _destroy: "1" }) assert_nothing_raised { @ship.pirate.reload } ensure Ship.accepts_nested_attributes_for :pirate, allow_destroy: true, reject_if: proc(&:empty?) end def test_should_work_with_update_as_well @ship.update(name: "Mister Pablo", pirate_attributes: { catchphrase: "Arr" }) @ship.reload assert_equal "Mister Pablo", @ship.name assert_equal "Arr", @ship.pirate.catchphrase end def test_should_not_destroy_the_associated_model_until_the_parent_is_saved pirate = @ship.pirate @ship.attributes = { pirate_attributes: { :id => pirate.id, "_destroy" => true } } assert_nothing_raised { Pirate.find(pirate.id) } @ship.save assert_raise(ActiveRecord::RecordNotFound) { Pirate.find(pirate.id) } end def test_should_automatically_enable_autosave_on_the_association assert Ship.reflect_on_association(:pirate).options[:autosave] end def test_should_create_new_model_when_nothing_is_there_and_update_only_is_true @pirate.delete @ship.reload.attributes = { update_only_pirate_attributes: { catchphrase: "Arr" } } assert !@ship.update_only_pirate.persisted? end def test_should_update_existing_when_update_only_is_true_and_no_id_is_given @pirate.delete @pirate = @ship.create_update_only_pirate(catchphrase: "Aye") @ship.update(update_only_pirate_attributes: { catchphrase: "Arr" }) assert_equal "Arr", @pirate.reload.catchphrase assert_equal @pirate, @ship.reload.update_only_pirate end def test_should_update_existing_when_update_only_is_true_and_id_is_given @pirate.delete @pirate = @ship.create_update_only_pirate(catchphrase: "Aye") @ship.update(update_only_pirate_attributes: { catchphrase: "Arr", id: @pirate.id }) assert_equal "Arr", @pirate.reload.catchphrase assert_equal @pirate, @ship.reload.update_only_pirate end def test_should_destroy_existing_when_update_only_is_true_and_id_is_given_and_is_marked_for_destruction Ship.accepts_nested_attributes_for :update_only_pirate, update_only: true, allow_destroy: true @pirate.delete @pirate = @ship.create_update_only_pirate(catchphrase: "Aye") @ship.update(update_only_pirate_attributes: { catchphrase: "Arr", id: @pirate.id, _destroy: true }) assert_raise(ActiveRecord::RecordNotFound) { @pirate.reload } Ship.accepts_nested_attributes_for :update_only_pirate, update_only: true, allow_destroy: false end end module NestedAttributesOnACollectionAssociationTests def test_should_define_an_attribute_writer_method_for_the_association assert_respond_to @pirate, association_setter end def test_should_raise_an_UnknownAttributeError_for_non_existing_nested_attributes_for_has_many exception = assert_raise ActiveModel::UnknownAttributeError do @pirate.parrots_attributes = [{ peg_leg: true }] end assert_equal "unknown attribute 'peg_leg' for Parrot.", exception.message end def test_should_save_only_one_association_on_create pirate = Pirate.create!( :catchphrase => "Arr", association_getter => { "foo" => { name: "Grace OMalley" } }) assert_equal 1, pirate.reload.send(@association_name).count end def test_should_take_a_hash_with_string_keys_and_assign_the_attributes_to_the_associated_models @alternate_params[association_getter].stringify_keys! @pirate.update @alternate_params assert_equal ["Grace OMalley", "Privateers Greed"], [@child_1.reload.name, @child_2.reload.name] end def test_should_take_an_array_and_assign_the_attributes_to_the_associated_models @pirate.send(association_setter, @alternate_params[association_getter].values) @pirate.save assert_equal ["Grace OMalley", "Privateers Greed"], [@child_1.reload.name, @child_2.reload.name] end def test_should_also_work_with_a_HashWithIndifferentAccess @pirate.send(association_setter, ActiveSupport::HashWithIndifferentAccess.new("foo" => ActiveSupport::HashWithIndifferentAccess.new(id: @child_1.id, name: "Grace OMalley"))) @pirate.save assert_equal "Grace OMalley", @child_1.reload.name end def test_should_take_a_hash_and_assign_the_attributes_to_the_associated_models @pirate.attributes = @alternate_params assert_equal "Grace OMalley", @pirate.send(@association_name).first.name assert_equal "Privateers Greed", @pirate.send(@association_name).last.name end def test_should_not_load_association_when_updating_existing_records @pirate.reload @pirate.send(association_setter, [{ id: @child_1.id, name: "Grace OMalley" }]) assert ! @pirate.send(@association_name).loaded? @pirate.save assert ! @pirate.send(@association_name).loaded? assert_equal "Grace OMalley", @child_1.reload.name end def test_should_not_overwrite_unsaved_updates_when_loading_association @pirate.reload @pirate.send(association_setter, [{ id: @child_1.id, name: "Grace OMalley" }]) assert_equal "Grace OMalley", @pirate.send(@association_name).load_target.find { |r| r.id == @child_1.id }.name end def test_should_preserve_order_when_not_overwriting_unsaved_updates @pirate.reload @pirate.send(association_setter, [{ id: @child_1.id, name: "Grace OMalley" }]) assert_equal @child_1.id, @pirate.send(@association_name).load_target.first.id end def test_should_refresh_saved_records_when_not_overwriting_unsaved_updates @pirate.reload record = @pirate.class.reflect_on_association(@association_name).klass.new(name: "Grace OMalley") @pirate.send(@association_name) << record record.save! @pirate.send(@association_name).last.update!(name: "Polly") assert_equal "Polly", @pirate.send(@association_name).load_target.last.name end def test_should_not_remove_scheduled_destroys_when_loading_association @pirate.reload @pirate.send(association_setter, [{ id: @child_1.id, _destroy: "1" }]) assert @pirate.send(@association_name).load_target.find { |r| r.id == @child_1.id }.marked_for_destruction? end def test_should_take_a_hash_with_composite_id_keys_and_assign_the_attributes_to_the_associated_models @child_1.stub(:id, "ABC1X") do @child_2.stub(:id, "ABC2X") do @pirate.attributes = { association_getter => [ { id: @child_1.id, name: "Grace OMalley" }, { id: @child_2.id, name: "Privateers Greed" } ] } assert_equal ["Grace OMalley", "Privateers Greed"], [@child_1.name, @child_2.name] end end end def test_should_raise_RecordNotFound_if_an_id_is_given_but_doesnt_return_a_record exception = assert_raise ActiveRecord::RecordNotFound do @pirate.attributes = { association_getter => [{ id: 1234567890 }] } end assert_equal "Couldn't find #{@child_1.class.name} with ID=1234567890 for Pirate with ID=#{@pirate.id}", exception.message end def test_should_raise_RecordNotFound_if_an_id_belonging_to_a_different_record_is_given other_pirate = Pirate.create! catchphrase: "Ahoy!" other_child = other_pirate.send(@association_name).create! name: "Buccaneers Servant" exception = assert_raise ActiveRecord::RecordNotFound do @pirate.attributes = { association_getter => [{ id: other_child.id }] } end assert_equal "Couldn't find #{@child_1.class.name} with ID=#{other_child.id} for Pirate with ID=#{@pirate.id}", exception.message end def test_should_automatically_build_new_associated_models_for_each_entry_in_a_hash_where_the_id_is_missing @pirate.send(@association_name).destroy_all @pirate.reload.attributes = { association_getter => { "foo" => { name: "Grace OMalley" }, "bar" => { name: "Privateers Greed" } } } assert !@pirate.send(@association_name).first.persisted? assert_equal "Grace OMalley", @pirate.send(@association_name).first.name assert !@pirate.send(@association_name).last.persisted? assert_equal "Privateers Greed", @pirate.send(@association_name).last.name end def test_should_not_assign_destroy_key_to_a_record assert_nothing_raised do @pirate.send(association_setter, "foo" => { "_destroy" => "0" }) end end def test_should_ignore_new_associated_records_with_truthy_destroy_attribute @pirate.send(@association_name).destroy_all @pirate.reload.attributes = { association_getter => { "foo" => { name: "Grace OMalley" }, "bar" => { :name => "Privateers Greed", "_destroy" => "1" } } } assert_equal 1, @pirate.send(@association_name).length assert_equal "Grace OMalley", @pirate.send(@association_name).first.name end def test_should_ignore_new_associated_records_if_a_reject_if_proc_returns_false @alternate_params[association_getter]["baz"] = {} assert_no_difference("@pirate.send(@association_name).count") do @pirate.attributes = @alternate_params end end def test_should_sort_the_hash_by_the_keys_before_building_new_associated_models attributes = {} attributes["123726353"] = { name: "Grace OMalley" } attributes["2"] = { name: "Privateers Greed" } # 2 is lower then 123726353 @pirate.send(association_setter, attributes) assert_equal ["Posideons Killer", "Killer bandita Dionne", "Privateers Greed", "Grace OMalley"].to_set, @pirate.send(@association_name).map(&:name).to_set end def test_should_raise_an_argument_error_if_something_else_than_a_hash_is_passed assert_nothing_raised { @pirate.send(association_setter, {}) } assert_nothing_raised { @pirate.send(association_setter, Hash.new) } exception = assert_raise ArgumentError do @pirate.send(association_setter, "foo") end assert_equal 'Hash or Array expected, got String ("foo")', exception.message end def test_should_work_with_update_as_well @pirate.update(catchphrase: "Arr", association_getter => { "foo" => { id: @child_1.id, name: "Grace OMalley" } }) assert_equal "Grace OMalley", @child_1.reload.name end def test_should_update_existing_records_and_add_new_ones_that_have_no_id @alternate_params[association_getter]["baz"] = { name: "Buccaneers Servant" } assert_difference("@pirate.send(@association_name).count", +1) do @pirate.update @alternate_params end assert_equal ["Grace OMalley", "Privateers Greed", "Buccaneers Servant"].to_set, @pirate.reload.send(@association_name).map(&:name).to_set end def test_should_be_possible_to_destroy_a_record ["1", 1, "true", true].each do |true_variable| record = @pirate.reload.send(@association_name).create!(name: "Grace OMalley") @pirate.send(association_setter, @alternate_params[association_getter].merge("baz" => { :id => record.id, "_destroy" => true_variable }) ) assert_difference("@pirate.send(@association_name).count", -1) do @pirate.save end end end def test_should_not_destroy_the_associated_model_with_a_non_truthy_argument [nil, "", "0", 0, "false", false].each do |false_variable| @alternate_params[association_getter]["foo"]["_destroy"] = false_variable assert_no_difference("@pirate.send(@association_name).count") do @pirate.update(@alternate_params) end end end def test_should_not_destroy_the_associated_model_until_the_parent_is_saved assert_no_difference("@pirate.send(@association_name).count") do @pirate.send(association_setter, @alternate_params[association_getter].merge("baz" => { :id => @child_1.id, "_destroy" => true })) end assert_difference("@pirate.send(@association_name).count", -1) { @pirate.save } end def test_should_automatically_enable_autosave_on_the_association assert Pirate.reflect_on_association(@association_name).options[:autosave] end def test_validate_presence_of_parent_works_with_inverse_of Man.accepts_nested_attributes_for(:interests) assert_equal :man, Man.reflect_on_association(:interests).options[:inverse_of] assert_equal :interests, Interest.reflect_on_association(:man).options[:inverse_of] repair_validations(Interest) do Interest.validates_presence_of(:man) assert_difference "Man.count" do assert_difference "Interest.count", 2 do man = Man.create!(name: "John", interests_attributes: [{ topic: "Cars" }, { topic: "Sports" }]) assert_equal 2, man.interests.count end end end end def test_can_use_symbols_as_object_identifier @pirate.attributes = { parrots_attributes: { foo: { name: "Lovely Day" }, bar: { name: "Blown Away" } } } assert_nothing_raised { @pirate.save! } end def test_numeric_column_changes_from_zero_to_no_empty_string Man.accepts_nested_attributes_for(:interests) repair_validations(Interest) do Interest.validates_numericality_of(:zine_id) man = Man.create(name: "John") interest = man.interests.create(topic: "bar", zine_id: 0) assert interest.save assert !man.update(interests_attributes: { id: interest.id, zine_id: "foo" }) end end private def association_setter @association_setter ||= "#{@association_name}_attributes=".to_sym end def association_getter @association_getter ||= "#{@association_name}_attributes".to_sym end end class TestNestedAttributesOnAHasManyAssociation < ActiveRecord::TestCase def setup @association_type = :has_many @association_name = :birds @pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") @pirate.birds.create!(name: "Posideons Killer") @pirate.birds.create!(name: "Killer bandita Dionne") @child_1, @child_2 = @pirate.birds @alternate_params = { birds_attributes: { "foo" => { id: @child_1.id, name: "Grace OMalley" }, "bar" => { id: @child_2.id, name: "Privateers Greed" } } } end include NestedAttributesOnACollectionAssociationTests end class TestNestedAttributesOnAHasAndBelongsToManyAssociation < ActiveRecord::TestCase def setup @association_type = :has_and_belongs_to_many @association_name = :parrots @pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") @pirate.parrots.create!(name: "Posideons Killer") @pirate.parrots.create!(name: "Killer bandita Dionne") @child_1, @child_2 = @pirate.parrots @alternate_params = { parrots_attributes: { "foo" => { id: @child_1.id, name: "Grace OMalley" }, "bar" => { id: @child_2.id, name: "Privateers Greed" } } } end include NestedAttributesOnACollectionAssociationTests end module NestedAttributesLimitTests def teardown Pirate.accepts_nested_attributes_for :parrots, allow_destroy: true, reject_if: proc(&:empty?) end def test_limit_with_less_records @pirate.attributes = { parrots_attributes: { "foo" => { name: "Big Big Love" } } } assert_difference("Parrot.count") { @pirate.save! } end def test_limit_with_number_exact_records @pirate.attributes = { parrots_attributes: { "foo" => { name: "Lovely Day" }, "bar" => { name: "Blown Away" } } } assert_difference("Parrot.count", 2) { @pirate.save! } end def test_limit_with_exceeding_records assert_raises(ActiveRecord::NestedAttributes::TooManyRecords) do @pirate.attributes = { parrots_attributes: { "foo" => { name: "Lovely Day" }, "bar" => { name: "Blown Away" }, "car" => { name: "The Happening" } } } end end end class TestNestedAttributesLimitNumeric < ActiveRecord::TestCase def setup Pirate.accepts_nested_attributes_for :parrots, limit: 2 @pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") end include NestedAttributesLimitTests end class TestNestedAttributesLimitSymbol < ActiveRecord::TestCase def setup Pirate.accepts_nested_attributes_for :parrots, limit: :parrots_limit @pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?", parrots_limit: 2) end include NestedAttributesLimitTests end class TestNestedAttributesLimitProc < ActiveRecord::TestCase def setup Pirate.accepts_nested_attributes_for :parrots, limit: proc { 2 } @pirate = Pirate.create!(catchphrase: "Don' botharrr talkin' like one, savvy?") end include NestedAttributesLimitTests end class TestNestedAttributesWithNonStandardPrimaryKeys < ActiveRecord::TestCase fixtures :owners, :pets def setup Owner.accepts_nested_attributes_for :pets, allow_destroy: true @owner = owners(:ashley) @pet1, @pet2 = pets(:chew), pets(:mochi) @params = { pets_attributes: { "0" => { id: @pet1.id, name: "Foo" }, "1" => { id: @pet2.id, name: "Bar" } } } end def test_should_update_existing_records_with_non_standard_primary_key @owner.update(@params) assert_equal ["Foo", "Bar"], @owner.pets.map(&:name) end def test_attr_accessor_of_child_should_be_value_provided_during_update @owner = owners(:ashley) @pet1 = pets(:chew) attributes = { pets_attributes: { "1"=> { id: @pet1.id, name: "Foo2", current_user: "John", _destroy: true } } } @owner.update(attributes) assert_equal "John", Pet.after_destroy_output end end class TestHasOneAutosaveAssociationWhichItselfHasAutosaveAssociations < ActiveRecord::TestCase self.use_transactional_tests = false unless supports_savepoints? def setup @pirate = Pirate.create!(catchphrase: "My baby takes tha mornin' train!") @ship = @pirate.create_ship(name: "The good ship Dollypop") @part = @ship.parts.create!(name: "Mast") @trinket = @part.trinkets.create!(name: "Necklace") end test "when great-grandchild changed in memory, saving parent should save great-grandchild" do @trinket.name = "changed" @pirate.save assert_equal "changed", @trinket.reload.name end test "when great-grandchild changed via attributes, saving parent should save great-grandchild" do @pirate.attributes = { ship_attributes: { id: @ship.id, parts_attributes: [{ id: @part.id, trinkets_attributes: [{ id: @trinket.id, name: "changed" }] }] } } @pirate.save assert_equal "changed", @trinket.reload.name end test "when great-grandchild marked_for_destruction via attributes, saving parent should destroy great-grandchild" do @pirate.attributes = { ship_attributes: { id: @ship.id, parts_attributes: [{ id: @part.id, trinkets_attributes: [{ id: @trinket.id, _destroy: true }] }] } } assert_difference("@part.trinkets.count", -1) { @pirate.save } end test "when great-grandchild added via attributes, saving parent should create great-grandchild" do @pirate.attributes = { ship_attributes: { id: @ship.id, parts_attributes: [{ id: @part.id, trinkets_attributes: [{ name: "created" }] }] } } assert_difference("@part.trinkets.count", 1) { @pirate.save } end test "when extra records exist for associations, validate (which calls nested_records_changed_for_autosave?) should not load them up" do @trinket.name = "changed" Ship.create!(pirate: @pirate, name: "The Black Rock") ShipPart.create!(ship: @ship, name: "Stern") assert_no_queries { @pirate.valid? } end end class TestHasManyAutosaveAssociationWhichItselfHasAutosaveAssociations < ActiveRecord::TestCase self.use_transactional_tests = false unless supports_savepoints? def setup @ship = Ship.create!(name: "The good ship Dollypop") @part = @ship.parts.create!(name: "Mast") @trinket = @part.trinkets.create!(name: "Necklace") end test "if association is not loaded and association record is saved and then in memory record attributes should be saved" do @ship.parts_attributes=[{ id: @part.id,name: "Deck" }] assert_equal 1, @ship.association(:parts).target.size assert_equal "Deck", @ship.parts[0].name end test "if association is not loaded and child doesn't change and I am saving a grandchild then in memory record should be used" do @ship.parts_attributes=[{ id: @part.id,trinkets_attributes: [{ id: @trinket.id, name: "Ruby" }] }] assert_equal 1, @ship.association(:parts).target.size assert_equal "Mast", @ship.parts[0].name assert_no_difference("@ship.parts[0].association(:trinkets).target.size") do @ship.parts[0].association(:trinkets).target.size end assert_equal "Ruby", @ship.parts[0].trinkets[0].name @ship.save assert_equal "Ruby", @ship.parts[0].trinkets[0].name end test "when grandchild changed in memory, saving parent should save grandchild" do @trinket.name = "changed" @ship.save assert_equal "changed", @trinket.reload.name end test "when grandchild changed via attributes, saving parent should save grandchild" do @ship.attributes = { parts_attributes: [{ id: @part.id, trinkets_attributes: [{ id: @trinket.id, name: "changed" }] }] } @ship.save assert_equal "changed", @trinket.reload.name end test "when grandchild marked_for_destruction via attributes, saving parent should destroy grandchild" do @ship.attributes = { parts_attributes: [{ id: @part.id, trinkets_attributes: [{ id: @trinket.id, _destroy: true }] }] } assert_difference("@part.trinkets.count", -1) { @ship.save } end test "when grandchild added via attributes, saving parent should create grandchild" do @ship.attributes = { parts_attributes: [{ id: @part.id, trinkets_attributes: [{ name: "created" }] }] } assert_difference("@part.trinkets.count", 1) { @ship.save } end test "when extra records exist for associations, validate (which calls nested_records_changed_for_autosave?) should not load them up" do @trinket.name = "changed" Ship.create!(name: "The Black Rock") ShipPart.create!(ship: @ship, name: "Stern") assert_no_queries { @ship.valid? } end test "circular references do not perform unnecessary queries" do ship = Ship.new(name: "The Black Rock") part = ship.parts.build(name: "Stern") ship.treasures.build(looter: part) assert_queries 3 do ship.save! end end test "nested singular associations are validated" do part = ShipPart.new(name: "Stern", ship_attributes: { name: nil }) assert_not part.valid? assert_equal ["Ship name can't be blank"], part.errors.full_messages end end