JezK
Edit File: nested_attributes_test.rb
require "cases/helper" require "models/pirate" require "models/ship" require "models/bird" require "models/parrot" require "models/treasure" module AssertRaiseWithMessage def assert_raise_with_message(expected_exception, expected_message) begin error_raised = false yield rescue expected_exception => error error_raised = true actual_message = error.message end assert error_raised assert_equal expected_message, actual_message end end class TestNestedAttributesInGeneral < ActiveRecord::TestCase include AssertRaiseWithMessage def teardown Pirate.accepts_nested_attributes_for :ship, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? } end def test_base_should_have_an_empty_reject_new_nested_attributes_procs assert_equal Hash.new, ActiveRecord::Base.reject_new_nested_attributes_procs end def test_should_add_a_proc_to_reject_new_nested_attributes_procs [:parrots, :birds].each do |name| assert_instance_of Proc, Pirate.reject_new_nested_attributes_procs[name] end end def test_should_raise_an_ArgumentError_for_non_existing_associations assert_raise_with_message ArgumentError, "No association found for name `honesty'. Has it been defined yet?" do Pirate.accepts_nested_attributes_for :honesty end 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') assert_no_difference('Ship.count') do pirate.update_attributes(:ship_attributes => { '_delete' => true }) end end def test_a_model_should_respond_to_underscore_delete_and_return_if_it_is_marked_for_destruction ship = Ship.create!(:name => 'Nights Dirty Lightning') assert !ship._delete ship.mark_for_destruction assert ship._delete 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_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.new_record? assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name end def test_should_not_build_a_new_record_if_there_is_no_id_and_delete_is_truthy @ship.destroy @pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_delete => '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.new_record? 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_delete_is_truthy @pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_delete => '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_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_delete_an_existing_record_if_there_is_a_matching_id_and_delete_is_truthy @pirate.ship.destroy [1, '1', true, 'true'].each do |truth| @pirate.reload.create_ship(:name => 'Mister Pablo') assert_difference('Ship.count', -1) do @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => truth }) end end end def test_should_not_delete_an_existing_record_if_delete_is_not_truthy [nil, '0', 0, 'false', false].each do |not_truth| assert_no_difference('Ship.count') do @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => not_truth }) end end end def test_should_not_delete_an_existing_record_if_allow_destroy_is_false Pirate.accepts_nested_attributes_for :ship, :allow_destroy => false, :reject_if => proc { |attributes| attributes.empty? } assert_no_difference('Ship.count') do @pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => '1' }) end Pirate.accepts_nested_attributes_for :ship, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? } end def test_should_also_work_with_a_HashWithIndifferentAccess @pirate.ship_attributes = HashWithIndifferentAccess.new(:id => @ship.id, :name => 'Davy Jones Gold Dagger') assert !@pirate.ship.new_record? assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name end def test_should_work_with_update_attributes_as_well @pirate.update_attributes({ :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 assert_no_difference('Ship.count') do @pirate.attributes = { :ship_attributes => { :id => @ship.id, :_delete => '1' } } end assert_difference('Ship.count', -1) do @pirate.save end end def test_should_automatically_enable_autosave_on_the_association assert Pirate.reflect_on_association(:ship).options[:autosave] 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.new_record? assert_equal 'Arr', @ship.pirate.catchphrase end def test_should_not_build_a_new_record_if_there_is_no_id_and_delete_is_truthy @pirate.destroy @ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_delete => '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.new_record? 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_delete_is_truthy @ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_delete => '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_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_delete_an_existing_record_if_there_is_a_matching_id_and_delete_is_truthy @ship.pirate.destroy [1, '1', true, 'true'].each do |truth| @ship.reload.create_pirate(:catchphrase => 'Arr') assert_difference('Pirate.count', -1) do @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => truth }) end end end def test_should_not_delete_an_existing_record_if_delete_is_not_truthy [nil, '0', 0, 'false', false].each do |not_truth| assert_no_difference('Pirate.count') do @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => not_truth }) end end end def test_should_not_delete_an_existing_record_if_allow_destroy_is_false Ship.accepts_nested_attributes_for :pirate, :allow_destroy => false, :reject_if => proc { |attributes| attributes.empty? } assert_no_difference('Pirate.count') do @ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => '1' }) end Ship.accepts_nested_attributes_for :pirate, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? } end def test_should_work_with_update_attributes_as_well @ship.update_attributes({ :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 assert_no_difference('Pirate.count') do @ship.attributes = { :pirate_attributes => { :id => @ship.pirate.id, '_delete' => true } } end assert_difference('Pirate.count', -1) { @ship.save } end def test_should_automatically_enable_autosave_on_the_association assert Ship.reflect_on_association(:pirate).options[:autosave] end end module NestedAttributesOnACollectionAssociationTests include AssertRaiseWithMessage def test_should_define_an_attribute_writer_method_for_the_association assert_respond_to @pirate, association_setter 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_attributes @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, HashWithIndifferentAccess.new('foo' => 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_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_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.new_record? assert_equal 'Grace OMalley', @pirate.send(@association_name).first.name assert @pirate.send(@association_name).last.new_record? assert_equal 'Privateers Greed', @pirate.send(@association_name).last.name end def test_should_not_assign_delete_key_to_a_record assert_nothing_raised ActiveRecord::UnknownAttributeError do @pirate.send(association_setter, { 'foo' => { '_delete' => '0' }}) end end def test_should_ignore_new_associated_records_with_truthy_delete_attribute @pirate.send(@association_name).destroy_all @pirate.reload.attributes = { association_getter => { 'foo' => { :name => 'Grace OMalley' }, 'bar' => { :name => 'Privateers Greed', '_delete' => '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).length") do @pirate.attributes = @alternate_params end end def test_should_sort_the_hash_by_the_keys_before_building_new_associated_models attributes = ActiveSupport::OrderedHash.new 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, ActiveSupport::OrderedHash.new) } assert_raise_with_message ArgumentError, 'Hash or Array expected, got String ("foo")' do @pirate.send(association_setter, "foo") end end def test_should_work_with_update_attributes_as_well @pirate.update_attributes(: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_attributes @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, '_delete' => 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']['_delete'] = false_variable assert_no_difference('@pirate.send(@association_name).count') do @pirate.update_attributes(@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, '_delete' => 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 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