require 'cases/helper' require 'models/bird' require 'models/company' require 'models/customer' require 'models/developer' require 'models/invoice' require 'models/line_item' require 'models/order' require 'models/parrot' require 'models/person' require 'models/pirate' require 'models/post' require 'models/reader' require 'models/ship' require 'models/ship_part' require 'models/treasure' class TestAutosaveAssociationsInGeneral < ActiveRecord::TestCase def test_autosave_should_be_a_valid_option_for_has_one assert base.valid_keys_for_has_one_association.include?(:autosave) end def test_autosave_should_be_a_valid_option_for_belongs_to assert base.valid_keys_for_belongs_to_association.include?(:autosave) end def test_autosave_should_be_a_valid_option_for_has_many assert base.valid_keys_for_has_many_association.include?(:autosave) end def test_autosave_should_be_a_valid_option_for_has_and_belongs_to_many assert base.valid_keys_for_has_and_belongs_to_many_association.include?(:autosave) end def test_should_not_add_the_same_callbacks_multiple_times_for_has_one assert_no_difference_when_adding_callbacks_twice_for Pirate, :ship end def test_should_not_add_the_same_callbacks_multiple_times_for_belongs_to assert_no_difference_when_adding_callbacks_twice_for Ship, :pirate end def test_should_not_add_the_same_callbacks_multiple_times_for_has_many assert_no_difference_when_adding_callbacks_twice_for Pirate, :birds end def test_should_not_add_the_same_callbacks_multiple_times_for_has_and_belongs_to_many assert_no_difference_when_adding_callbacks_twice_for Pirate, :parrots end private def base ActiveRecord::Base end def assert_no_difference_when_adding_callbacks_twice_for(model, association_name) reflection = model.reflect_on_association(association_name) assert_no_difference "callbacks_for_model(#{model.name}).length" do model.send(:add_autosave_association_callbacks, reflection) end end def callbacks_for_model(model) model.instance_variables.grep(/_callbacks$/).map do |ivar| model.instance_variable_get(ivar) end.flatten end end class TestDefaultAutosaveAssociationOnAHasOneAssociation < ActiveRecord::TestCase def test_should_save_parent_but_not_invalid_child firm = Firm.new(:name => 'GlobalMegaCorp') assert firm.valid? firm.build_account_using_primary_key assert !firm.build_account_using_primary_key.valid? assert firm.save assert firm.account_using_primary_key.new_record? end def test_save_fails_for_invalid_has_one firm = Firm.find(:first) assert firm.valid? firm.account = Account.new assert !firm.account.valid? assert !firm.valid? assert !firm.save assert_equal "is invalid", firm.errors.on("account") end def test_save_succeeds_for_invalid_has_one_with_validate_false firm = Firm.find(:first) assert firm.valid? firm.unvalidated_account = Account.new assert !firm.unvalidated_account.valid? assert firm.valid? assert firm.save end def test_build_before_child_saved firm = Firm.find(1) account = firm.account.build("credit_limit" => 1000) assert_equal account, firm.account assert account.new_record? assert firm.save assert_equal account, firm.account assert !account.new_record? end def test_build_before_either_saved firm = Firm.new("name" => "GlobalMegaCorp") firm.account = account = Account.new("credit_limit" => 1000) assert_equal account, firm.account assert account.new_record? assert firm.save assert_equal account, firm.account assert !account.new_record? end def test_assignment_before_parent_saved firm = Firm.new("name" => "GlobalMegaCorp") firm.account = a = Account.find(1) assert firm.new_record? assert_equal a, firm.account assert firm.save assert_equal a, firm.account assert_equal a, firm.account(true) end def test_assignment_before_either_saved firm = Firm.new("name" => "GlobalMegaCorp") firm.account = a = Account.new("credit_limit" => 1000) assert firm.new_record? assert a.new_record? assert_equal a, firm.account assert firm.save assert !firm.new_record? assert !a.new_record? assert_equal a, firm.account assert_equal a, firm.account(true) end def test_not_resaved_when_unchanged firm = Firm.find(:first, :include => :account) firm.name += '-changed' assert_queries(1) { firm.save! } firm = Firm.find(:first) firm.account = Account.find(:first) assert_queries(Firm.partial_updates? ? 0 : 1) { firm.save! } firm = Firm.find(:first).clone firm.account = Account.find(:first) assert_queries(2) { firm.save! } firm = Firm.find(:first).clone firm.account = Account.find(:first).clone assert_queries(2) { firm.save! } end end class TestDefaultAutosaveAssociationOnABelongsToAssociation < ActiveRecord::TestCase def test_should_save_parent_but_not_invalid_child client = Client.new(:name => 'Joe (the Plumber)') assert client.valid? client.build_firm assert !client.firm.valid? assert client.save assert client.firm.new_record? end def test_save_fails_for_invalid_belongs_to assert log = AuditLog.create(:developer_id => 0, :message => "") log.developer = Developer.new assert !log.developer.valid? assert !log.valid? assert !log.save assert_equal "is invalid", log.errors.on("developer") end def test_save_succeeds_for_invalid_belongs_to_with_validate_false assert log = AuditLog.create(:developer_id => 0, :message=> "") log.unvalidated_developer = Developer.new assert !log.unvalidated_developer.valid? assert log.valid? assert log.save end def test_assignment_before_parent_saved client = Client.find(:first) apple = Firm.new("name" => "Apple") client.firm = apple assert_equal apple, client.firm assert apple.new_record? assert client.save assert apple.save assert !apple.new_record? assert_equal apple, client.firm assert_equal apple, client.firm(true) end def test_assignment_before_either_saved final_cut = Client.new("name" => "Final Cut") apple = Firm.new("name" => "Apple") final_cut.firm = apple assert final_cut.new_record? assert apple.new_record? assert final_cut.save assert !final_cut.new_record? assert !apple.new_record? assert_equal apple, final_cut.firm assert_equal apple, final_cut.firm(true) end def test_store_two_association_with_one_save num_orders = Order.count num_customers = Customer.count order = Order.new customer1 = order.billing = Customer.new customer2 = order.shipping = Customer.new assert order.save assert_equal customer1, order.billing assert_equal customer2, order.shipping order.reload assert_equal customer1, order.billing assert_equal customer2, order.shipping assert_equal num_orders +1, Order.count assert_equal num_customers +2, Customer.count end def test_store_association_in_two_relations_with_one_save num_orders = Order.count num_customers = Customer.count order = Order.new customer = order.billing = order.shipping = Customer.new assert order.save assert_equal customer, order.billing assert_equal customer, order.shipping order.reload assert_equal customer, order.billing assert_equal customer, order.shipping assert_equal num_orders +1, Order.count assert_equal num_customers +1, Customer.count end def test_store_association_in_two_relations_with_one_save_in_existing_object num_orders = Order.count num_customers = Customer.count order = Order.create customer = order.billing = order.shipping = Customer.new assert order.save assert_equal customer, order.billing assert_equal customer, order.shipping order.reload assert_equal customer, order.billing assert_equal customer, order.shipping assert_equal num_orders +1, Order.count assert_equal num_customers +1, Customer.count end def test_store_association_in_two_relations_with_one_save_in_existing_object_with_values num_orders = Order.count num_customers = Customer.count order = Order.create customer = order.billing = order.shipping = Customer.new assert order.save assert_equal customer, order.billing assert_equal customer, order.shipping order.reload customer = order.billing = order.shipping = Customer.new assert order.save order.reload assert_equal customer, order.billing assert_equal customer, order.shipping assert_equal num_orders +1, Order.count assert_equal num_customers +2, Customer.count end end class TestDefaultAutosaveAssociationOnAHasManyAssociation < ActiveRecord::TestCase fixtures :companies, :people def test_invalid_adding firm = Firm.find(1) assert !(firm.clients_of_firm << c = Client.new) assert c.new_record? assert !firm.valid? assert !firm.save assert c.new_record? end def test_invalid_adding_before_save no_of_firms = Firm.count no_of_clients = Client.count new_firm = Firm.new("name" => "A New Firm, Inc") new_firm.clients_of_firm.concat([c = Client.new, Client.new("name" => "Apple")]) assert c.new_record? assert !c.valid? assert !new_firm.valid? assert !new_firm.save assert c.new_record? assert new_firm.new_record? end def test_invalid_adding_with_validate_false firm = Firm.find(:first) client = Client.new firm.unvalidated_clients_of_firm << client assert firm.valid? assert !client.valid? assert firm.save assert client.new_record? end def test_valid_adding_with_validate_false no_of_clients = Client.count firm = Firm.find(:first) client = Client.new("name" => "Apple") assert firm.valid? assert client.valid? assert client.new_record? firm.unvalidated_clients_of_firm << client assert firm.save assert !client.new_record? assert_equal no_of_clients+1, Client.count end def test_invalid_build new_client = companies(:first_firm).clients_of_firm.build assert new_client.new_record? assert !new_client.valid? assert_equal new_client, companies(:first_firm).clients_of_firm.last assert !companies(:first_firm).save assert new_client.new_record? assert_equal 1, companies(:first_firm).clients_of_firm(true).size end def test_adding_before_save no_of_firms = Firm.count no_of_clients = Client.count new_firm = Firm.new("name" => "A New Firm, Inc") c = Client.new("name" => "Apple") new_firm.clients_of_firm.push Client.new("name" => "Natural Company") assert_equal 1, new_firm.clients_of_firm.size new_firm.clients_of_firm << c assert_equal 2, new_firm.clients_of_firm.size assert_equal no_of_firms, Firm.count # Firm was not saved to database. assert_equal no_of_clients, Client.count # Clients were not saved to database. assert new_firm.save assert !new_firm.new_record? assert !c.new_record? assert_equal new_firm, c.firm assert_equal no_of_firms+1, Firm.count # Firm was saved to database. assert_equal no_of_clients+2, Client.count # Clients were saved to database. assert_equal 2, new_firm.clients_of_firm.size assert_equal 2, new_firm.clients_of_firm(true).size end def test_assign_ids firm = Firm.new("name" => "Apple") firm.client_ids = [companies(:first_client).id, companies(:second_client).id] firm.save firm.reload assert_equal 2, firm.clients.length assert firm.clients.include?(companies(:second_client)) end def test_assign_ids_for_through_a_belongs_to post = Post.new(:title => "Assigning IDs works!", :body => "You heared it here first, folks!") post.person_ids = [people(:david).id, people(:michael).id] post.save post.reload assert_equal 2, post.people.length assert post.people.include?(people(:david)) end def test_build_before_save company = companies(:first_firm) new_client = assert_no_queries { company.clients_of_firm.build("name" => "Another Client") } assert !company.clients_of_firm.loaded? company.name += '-changed' assert_queries(2) { assert company.save } assert !new_client.new_record? assert_equal 2, company.clients_of_firm(true).size end def test_build_many_before_save company = companies(:first_firm) new_clients = assert_no_queries { company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) } company.name += '-changed' assert_queries(3) { assert company.save } assert_equal 3, company.clients_of_firm(true).size end def test_build_via_block_before_save company = companies(:first_firm) new_client = assert_no_queries { company.clients_of_firm.build {|client| client.name = "Another Client" } } assert !company.clients_of_firm.loaded? company.name += '-changed' assert_queries(2) { assert company.save } assert !new_client.new_record? assert_equal 2, company.clients_of_firm(true).size end def test_build_many_via_block_before_save company = companies(:first_firm) new_clients = assert_no_queries do company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) do |client| client.name = "changed" end end company.name += '-changed' assert_queries(3) { assert company.save } assert_equal 3, company.clients_of_firm(true).size end def test_replace_on_new_object firm = Firm.new("name" => "New Firm") firm.clients = [companies(:second_client), Client.new("name" => "New Client")] assert firm.save firm.reload assert_equal 2, firm.clients.length assert firm.clients.include?(Client.find_by_name("New Client")) end end class TestDefaultAutosaveAssociationOnNewRecord < ActiveRecord::TestCase def test_autosave_new_record_on_belongs_to_can_be_disabled_per_relationship new_account = Account.new("credit_limit" => 1000) new_firm = Firm.new("name" => "some firm") assert new_firm.new_record? new_account.firm = new_firm new_account.save! assert !new_firm.new_record? new_account = Account.new("credit_limit" => 1000) new_autosaved_firm = Firm.new("name" => "some firm") assert new_autosaved_firm.new_record? new_account.unautosaved_firm = new_autosaved_firm new_account.save! assert new_autosaved_firm.new_record? end def test_autosave_new_record_on_has_one_can_be_disabled_per_relationship firm = Firm.new("name" => "some firm") account = Account.new("credit_limit" => 1000) assert account.new_record? firm.account = account firm.save! assert !account.new_record? firm = Firm.new("name" => "some firm") account = Account.new("credit_limit" => 1000) firm.unautosaved_account = account assert account.new_record? firm.unautosaved_account = account firm.save! assert account.new_record? end def test_autosave_new_record_on_has_many_can_be_disabled_per_relationship firm = Firm.new("name" => "some firm") account = Account.new("credit_limit" => 1000) assert account.new_record? firm.accounts << account firm.save! assert !account.new_record? firm = Firm.new("name" => "some firm") account = Account.new("credit_limit" => 1000) assert account.new_record? firm.unautosaved_accounts << account firm.save! assert account.new_record? end end class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?") @ship = @pirate.create_ship(:name => 'Nights Dirty Lightning') end # reload def test_a_marked_for_destruction_record_should_not_be_be_marked_after_reload @pirate.mark_for_destruction @pirate.ship.mark_for_destruction assert !@pirate.reload.marked_for_destruction? assert !@pirate.ship.marked_for_destruction? end # has_one def test_should_destroy_a_child_association_as_part_of_the_save_transaction_if_it_was_marked_for_destroyal assert !@pirate.ship.marked_for_destruction? @pirate.ship.mark_for_destruction id = @pirate.ship.id assert @pirate.ship.marked_for_destruction? assert Ship.find_by_id(id) @pirate.save assert_nil @pirate.reload.ship assert_nil Ship.find_by_id(id) end def test_should_skip_validation_on_a_child_association_if_marked_for_destruction @pirate.ship.name = '' assert !@pirate.valid? @pirate.ship.mark_for_destruction @pirate.ship.expects(:valid?).never assert_difference('Ship.count', -1) { @pirate.save! } end def test_a_child_marked_for_destruction_should_not_be_destroyed_twice @pirate.ship.mark_for_destruction assert @pirate.save @pirate.ship.expects(:destroy).never assert @pirate.save end def test_should_rollback_destructions_if_an_exception_occurred_while_saving_a_child # Stub the save method of the @pirate.ship instance to destroy and then raise an exception class << @pirate.ship def save(*args) super destroy raise 'Oh noes!' end end assert_raise(RuntimeError) { assert !@pirate.save } assert_not_nil @pirate.reload.ship end # belongs_to def test_should_destroy_a_parent_association_as_part_of_the_save_transaction_if_it_was_marked_for_destroyal assert !@ship.pirate.marked_for_destruction? @ship.pirate.mark_for_destruction id = @ship.pirate.id assert @ship.pirate.marked_for_destruction? assert Pirate.find_by_id(id) @ship.save assert_nil @ship.reload.pirate assert_nil Pirate.find_by_id(id) end def test_should_skip_validation_on_a_parent_association_if_marked_for_destruction @ship.pirate.catchphrase = '' assert !@ship.valid? @ship.pirate.mark_for_destruction @ship.pirate.expects(:valid?).never assert_difference('Pirate.count', -1) { @ship.save! } end def test_a_parent_marked_for_destruction_should_not_be_destroyed_twice @ship.pirate.mark_for_destruction assert @ship.save @ship.pirate.expects(:destroy).never assert @ship.save end def test_should_rollback_destructions_if_an_exception_occurred_while_saving_a_parent # Stub the save method of the @ship.pirate instance to destroy and then raise an exception class << @ship.pirate def save(*args) super destroy raise 'Oh noes!' end end assert_raise(RuntimeError) { assert !@ship.save } assert_not_nil @ship.reload.pirate end # has_many & has_and_belongs_to %w{ parrots birds }.each do |association_name| define_method("test_should_destroy_#{association_name}_as_part_of_the_save_transaction_if_they_were_marked_for_destroyal") do 2.times { |i| @pirate.send(association_name).create!(:name => "#{association_name}_#{i}") } assert !@pirate.send(association_name).any? { |child| child.marked_for_destruction? } @pirate.send(association_name).each { |child| child.mark_for_destruction } klass = @pirate.send(association_name).first.class ids = @pirate.send(association_name).map(&:id) assert @pirate.send(association_name).all? { |child| child.marked_for_destruction? } ids.each { |id| assert klass.find_by_id(id) } @pirate.save assert @pirate.reload.send(association_name).empty? ids.each { |id| assert_nil klass.find_by_id(id) } end define_method("test_should_skip_validation_on_the_#{association_name}_association_if_marked_for_destruction") do 2.times { |i| @pirate.send(association_name).create!(:name => "#{association_name}_#{i}") } children = @pirate.send(association_name) children.each { |child| child.name = '' } assert !@pirate.valid? children.each do |child| child.mark_for_destruction child.expects(:valid?).never end assert_difference("#{association_name.classify}.count", -2) { @pirate.save! } end define_method("test_should_skip_validation_on_the_#{association_name}_association_if_destroyed") do @pirate.send(association_name).create!(:name => "#{association_name}_1") children = @pirate.send(association_name) children.each { |child| child.name = '' } assert !@pirate.valid? children.each { |child| child.destroy } assert @pirate.valid? end define_method("test_a_child_marked_for_destruction_should_not_be_destroyed_twice_while_saving_#{association_name}") do @pirate.send(association_name).create!(:name => "#{association_name}_1") children = @pirate.send(association_name) children.each { |child| child.mark_for_destruction } assert @pirate.save children.each { |child| child.expects(:destroy).never } assert @pirate.save end define_method("test_should_rollback_destructions_if_an_exception_occurred_while_saving_#{association_name}") do 2.times { |i| @pirate.send(association_name).create!(:name => "#{association_name}_#{i}") } before = @pirate.send(association_name).map { |c| c.mark_for_destruction ; c } # Stub the destroy method of the the second child to raise an exception class << before.last def destroy(*args) super raise 'Oh noes!' end end assert_raise(RuntimeError) { assert !@pirate.save } assert before.first.frozen? # the first child was indeed destroyed assert_equal before, @pirate.reload.send(association_name) end # Add and remove callbacks tests for association collections. %w{ method proc }.each do |callback_type| define_method("test_should_run_add_callback_#{callback_type}s_for_#{association_name}") do association_name_with_callbacks = "#{association_name}_with_#{callback_type}_callbacks" pirate = Pirate.new(:catchphrase => "Arr") pirate.send(association_name_with_callbacks).build(:name => "Crowe the One-Eyed") expected = [ "before_adding_#{callback_type}_#{association_name.singularize}_", "after_adding_#{callback_type}_#{association_name.singularize}_" ] assert_equal expected, pirate.ship_log end define_method("test_should_run_remove_callback_#{callback_type}s_for_#{association_name}") do association_name_with_callbacks = "#{association_name}_with_#{callback_type}_callbacks" @pirate.send(association_name_with_callbacks).create!(:name => "Crowe the One-Eyed") @pirate.send(association_name_with_callbacks).each { |c| c.mark_for_destruction } child_id = @pirate.send(association_name_with_callbacks).first.id @pirate.ship_log.clear @pirate.save expected = [ "before_removing_#{callback_type}_#{association_name.singularize}_#{child_id}", "after_removing_#{callback_type}_#{association_name.singularize}_#{child_id}" ] assert_equal expected, @pirate.ship_log end end end end class TestAutosaveAssociationOnAHasOneAssociation < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?") @ship = @pirate.create_ship(:name => 'Nights Dirty Lightning') end def test_should_still_work_without_an_associated_model @ship.destroy @pirate.reload.catchphrase = "Arr" @pirate.save assert 'Arr', @pirate.reload.catchphrase end def test_should_automatically_save_the_associated_model @pirate.ship.name = 'The Vile Insanity' @pirate.save assert_equal 'The Vile Insanity', @pirate.reload.ship.name end def test_should_automatically_save_bang_the_associated_model @pirate.ship.name = 'The Vile Insanity' @pirate.save! assert_equal 'The Vile Insanity', @pirate.reload.ship.name end def test_should_automatically_validate_the_associated_model @pirate.ship.name = '' assert !@pirate.valid? assert_equal "can't be blank", @pirate.errors.on(:"ship.name") end def test_should_merge_errors_on_the_associated_models_onto_the_parent_even_if_it_is_not_valid @pirate.ship.name = nil @pirate.catchphrase = nil assert !@pirate.valid? assert @pirate.errors.full_messages.include?("Name can't be blank") assert @pirate.errors.full_messages.include?("Catchphrase can't be blank") end def test_should_still_allow_to_bypass_validations_on_the_associated_model @pirate.catchphrase = '' @pirate.ship.name = '' @pirate.save(false) assert_equal ['', ''], [@pirate.reload.catchphrase, @pirate.ship.name] end def test_should_allow_to_bypass_validations_on_associated_models_at_any_depth 2.times { |i| @pirate.ship.parts.create!(:name => "part #{i}") } @pirate.catchphrase = '' @pirate.ship.name = '' @pirate.ship.parts.each { |part| part.name = '' } @pirate.save(false) values = [@pirate.reload.catchphrase, @pirate.ship.name, *@pirate.ship.parts.map(&:name)] assert_equal ['', '', '', ''], values end def test_should_still_raise_an_ActiveRecordRecord_Invalid_exception_if_we_want_that @pirate.ship.name = '' assert_raise(ActiveRecord::RecordInvalid) do @pirate.save! end end def test_should_not_save_and_return_false_if_a_callback_cancelled_saving pirate = Pirate.new(:catchphrase => 'Arr') ship = pirate.build_ship(:name => 'The Vile Insanity') ship.cancel_save_from_callback = true assert_no_difference 'Pirate.count' do assert_no_difference 'Ship.count' do assert !pirate.save end end end def test_should_rollback_any_changes_if_an_exception_occurred_while_saving before = [@pirate.catchphrase, @pirate.ship.name] @pirate.catchphrase = 'Arr' @pirate.ship.name = 'The Vile Insanity' # Stub the save method of the @pirate.ship instance to raise an exception class << @pirate.ship def save(*args) super raise 'Oh noes!' end end assert_raise(RuntimeError) { assert !@pirate.save } assert_equal before, [@pirate.reload.catchphrase, @pirate.ship.name] end def test_should_not_load_the_associated_model assert_queries(1) { @pirate.catchphrase = 'Arr'; @pirate.save! } end end class TestAutosaveAssociationOnABelongsToAssociation < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @ship = Ship.create(:name => 'Nights Dirty Lightning') @pirate = @ship.create_pirate(:catchphrase => "Don' botharrr talkin' like one, savvy?") end def test_should_still_work_without_an_associated_model @pirate.destroy @ship.reload.name = "The Vile Insanity" @ship.save assert 'The Vile Insanity', @ship.reload.name end def test_should_automatically_save_the_associated_model @ship.pirate.catchphrase = 'Arr' @ship.save assert_equal 'Arr', @ship.reload.pirate.catchphrase end def test_should_automatically_save_bang_the_associated_model @ship.pirate.catchphrase = 'Arr' @ship.save! assert_equal 'Arr', @ship.reload.pirate.catchphrase end def test_should_automatically_validate_the_associated_model @ship.pirate.catchphrase = '' assert !@ship.valid? assert_equal "can't be blank", @ship.errors.on(:"pirate.catchphrase") end def test_should_merge_errors_on_the_associated_model_onto_the_parent_even_if_it_is_not_valid @ship.name = nil @ship.pirate.catchphrase = nil assert !@ship.valid? assert @ship.errors.full_messages.include?("Name can't be blank") assert @ship.errors.full_messages.include?("Catchphrase can't be blank") end def test_should_still_allow_to_bypass_validations_on_the_associated_model @ship.pirate.catchphrase = '' @ship.name = '' @ship.save(false) assert_equal ['', ''], [@ship.reload.name, @ship.pirate.catchphrase] end def test_should_still_raise_an_ActiveRecordRecord_Invalid_exception_if_we_want_that @ship.pirate.catchphrase = '' assert_raise(ActiveRecord::RecordInvalid) do @ship.save! end end def test_should_not_save_and_return_false_if_a_callback_cancelled_saving ship = Ship.new(:name => 'The Vile Insanity') pirate = ship.build_pirate(:catchphrase => 'Arr') pirate.cancel_save_from_callback = true assert_no_difference 'Ship.count' do assert_no_difference 'Pirate.count' do assert !ship.save end end end def test_should_rollback_any_changes_if_an_exception_occurred_while_saving before = [@ship.pirate.catchphrase, @ship.name] @ship.pirate.catchphrase = 'Arr' @ship.name = 'The Vile Insanity' # Stub the save method of the @ship.pirate instance to raise an exception class << @ship.pirate def save(*args) super raise 'Oh noes!' end end assert_raise(RuntimeError) { assert !@ship.save } assert_equal before, [@ship.pirate.reload.catchphrase, @ship.reload.name] end def test_should_not_load_the_associated_model assert_queries(1) { @ship.name = 'The Vile Insanity'; @ship.save! } end end module AutosaveAssociationOnACollectionAssociationTests def test_should_automatically_save_the_associated_models new_names = ['Grace OMalley', 'Privateers Greed'] @pirate.send(@association_name).each_with_index { |child, i| child.name = new_names[i] } @pirate.save assert_equal new_names, @pirate.reload.send(@association_name).map(&:name) end def test_should_automatically_save_bang_the_associated_models new_names = ['Grace OMalley', 'Privateers Greed'] @pirate.send(@association_name).each_with_index { |child, i| child.name = new_names[i] } @pirate.save! assert_equal new_names, @pirate.reload.send(@association_name).map(&:name) end def test_should_automatically_validate_the_associated_models @pirate.send(@association_name).each { |child| child.name = '' } assert !@pirate.valid? assert @pirate.errors.full_messages.include?("Name can't be blank") assert @pirate.errors.on(@association_name).blank? end def test_should_not_use_default_invalid_error_on_associated_models @pirate.send(@association_name).build(:name => '') assert !@pirate.valid? assert_equal "can't be blank", @pirate.errors.on("#{@association_name}.name") assert @pirate.errors.on(@association_name).blank? end def test_should_merge_errors_on_the_associated_models_onto_the_parent_even_if_it_is_not_valid @pirate.send(@association_name).each { |child| child.name = '' } @pirate.catchphrase = nil assert !@pirate.valid? assert_equal "can't be blank", @pirate.errors.on("#{@association_name}.name") assert !@pirate.errors.on(:catchphrase).blank? end def test_should_allow_to_bypass_validations_on_the_associated_models_on_update @pirate.catchphrase = '' @pirate.send(@association_name).each { |child| child.name = '' } assert @pirate.save(false) assert_equal ['', '', ''], [ @pirate.reload.catchphrase, @pirate.send(@association_name).first.name, @pirate.send(@association_name).last.name ] end def test_should_validation_the_associated_models_on_create assert_no_difference("#{ @association_name == :birds ? 'Bird' : 'Parrot' }.count") do 2.times { @pirate.send(@association_name).build } @pirate.save(true) end end def test_should_allow_to_bypass_validations_on_the_associated_models_on_create assert_difference("#{ @association_name == :birds ? 'Bird' : 'Parrot' }.count", +2) do 2.times { @pirate.send(@association_name).build } @pirate.save(false) end end def test_should_not_save_and_return_false_if_a_callback_cancelled_saving_in_either_create_or_update @pirate.catchphrase = 'Changed' @child_1.name = 'Changed' @child_1.cancel_save_from_callback = true assert !@pirate.save assert_equal "Don' botharrr talkin' like one, savvy?", @pirate.reload.catchphrase assert_equal "Posideons Killer", @child_1.reload.name new_pirate = Pirate.new(:catchphrase => 'Arr') new_child = new_pirate.send(@association_name).build(:name => 'Grace OMalley') new_child.cancel_save_from_callback = true assert_no_difference 'Pirate.count' do assert_no_difference "#{new_child.class.name}.count" do assert !new_pirate.save end end end def test_should_rollback_any_changes_if_an_exception_occurred_while_saving before = [@pirate.catchphrase, *@pirate.send(@association_name).map(&:name)] new_names = ['Grace OMalley', 'Privateers Greed'] @pirate.catchphrase = 'Arr' @pirate.send(@association_name).each_with_index { |child, i| child.name = new_names[i] } # Stub the save method of the first child instance to raise an exception class << @pirate.send(@association_name).first def save(*args) super raise 'Oh noes!' end end assert_raise(RuntimeError) { assert !@pirate.save } assert_equal before, [@pirate.reload.catchphrase, *@pirate.send(@association_name).map(&:name)] end def test_should_still_raise_an_ActiveRecordRecord_Invalid_exception_if_we_want_that @pirate.send(@association_name).each { |child| child.name = '' } assert_raise(ActiveRecord::RecordInvalid) do @pirate.save! end end def test_should_not_load_the_associated_models_if_they_were_not_loaded_yet assert_queries(1) { @pirate.catchphrase = 'Arr'; @pirate.save! } @pirate.send(@association_name).class # hack to load the target assert_queries(3) do @pirate.catchphrase = 'Yarr' new_names = ['Grace OMalley', 'Privateers Greed'] @pirate.send(@association_name).each_with_index { |child, i| child.name = new_names[i] } @pirate.save! end end end class TestAutosaveAssociationOnAHasManyAssociation < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @association_name = :birds @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?") @child_1 = @pirate.birds.create(:name => 'Posideons Killer') @child_2 = @pirate.birds.create(:name => 'Killer bandita Dionne') end include AutosaveAssociationOnACollectionAssociationTests end class TestAutosaveAssociationOnAHasAndBelongsToManyAssociation < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @association_name = :parrots @habtm = true @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?") @child_1 = @pirate.parrots.create(:name => 'Posideons Killer') @child_2 = @pirate.parrots.create(:name => 'Killer bandita Dionne') end include AutosaveAssociationOnACollectionAssociationTests end class TestAutosaveAssociationValidationsOnAHasManyAssocication < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?") @pirate.birds.create(:name => 'cookoo') end test "should automatically validate associations" do assert @pirate.valid? @pirate.birds.each { |bird| bird.name = '' } assert !@pirate.valid? end end class TestAutosaveAssociationValidationsOnAHasOneAssocication < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?") @pirate.create_ship(:name => 'titanic') end test "should automatically validate associations with :validate => true" do assert @pirate.valid? @pirate.ship.name = '' assert !@pirate.valid? end test "should not automatically validate associations without :validate => true" do assert @pirate.valid? @pirate.non_validated_ship.name = '' assert @pirate.valid? end end class TestAutosaveAssociationValidationsOnABelongsToAssocication < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?") end test "should automatically validate associations with :validate => true" do assert @pirate.valid? @pirate.parrot = Parrot.new(:name => '') assert !@pirate.valid? end test "should not automatically validate associations without :validate => true" do assert @pirate.valid? @pirate.non_validated_parrot = Parrot.new(:name => '') assert @pirate.valid? end end class TestAutosaveAssociationValidationsOnAHABTMAssocication < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?") end test "should automatically validate associations with :validate => true" do assert @pirate.valid? @pirate.parrots = [ Parrot.new(:name => 'popuga') ] @pirate.parrots.each { |parrot| parrot.name = '' } assert !@pirate.valid? end test "should not automatically validate associations without :validate => true" do assert @pirate.valid? @pirate.non_validated_parrots = [ Parrot.new(:name => 'popuga') ] @pirate.non_validated_parrots.each { |parrot| parrot.name = '' } assert @pirate.valid? end end class TestAutosaveAssociationValidationMethodsGeneration < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @pirate = Pirate.new end test "should generate validation methods for has_many associations" do assert @pirate.respond_to?(:validate_associated_records_for_birds) end test "should generate validation methods for has_one associations with :validate => true" do assert @pirate.respond_to?(:validate_associated_records_for_ship) end test "should not generate validation methods for has_one associations without :validate => true" do assert !@pirate.respond_to?(:validate_associated_records_for_non_validated_ship) end test "should generate validation methods for belongs_to associations with :validate => true" do assert @pirate.respond_to?(:validate_associated_records_for_parrot) end test "should not generate validation methods for belongs_to associations without :validate => true" do assert !@pirate.respond_to?(:validate_associated_records_for_non_validated_parrot) end test "should generate validation methods for HABTM associations with :validate => true" do assert @pirate.respond_to?(:validate_associated_records_for_parrots) end test "should not generate validation methods for HABTM associations without :validate => true" do assert !@pirate.respond_to?(:validate_associated_records_for_non_validated_parrots) end end class TestAutosaveAssociationWithTouch < ActiveRecord::TestCase def test_autosave_with_touch_should_not_raise_system_stack_error invoice = Invoice.create assert_nothing_raised { invoice.line_items.create(:amount => 10) } end end