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_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(ActiveRecord::RecordNotFound) { 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_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(ActiveRecord::RecordNotFound) { 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.stubs(:id).returns('ABC1X') @pirate.ship_attributes = { :id => @ship.id, :name => 'Davy Jones Gold Dagger' } assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name 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.stubs(:id).returns('ABC1X') @ship.pirate_attributes = { :id => @pirate.id, :catchphrase => 'Arr' } assert_equal 'Arr', @ship.pirate.catchphrase 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(ActiveRecord::RecordNotFound) { @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(ActiveRecord::RecordNotFound) { @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(ActiveRecord::RecordNotFound) { 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_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).send(: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).send(: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).send(: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).send(: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.stubs(:id).returns('ABC1X') @child_2.stubs(:id).returns('ABC2X') @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 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_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 ActiveRecord::UnknownAttributeError 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(ArgumentError) { @pirate.send(association_setter, {}) } assert_nothing_raised(ArgumentError) { @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(NoMethodError) { @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_fixtures = 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_fixtures = 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