diff options
3 files changed, 40 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb index c971fbb393..512c52338e 100644 --- a/activerecord/lib/active_record/associations/association.rb +++ b/activerecord/lib/active_record/associations/association.rb @@ -232,7 +232,8 @@ module ActiveRecord def build_record(attributes, options) reflection.build_association(attributes, options) do |record| - record.assign_attributes(create_scope.except(*record.changed), :without_protection => true) + attributes = create_scope.except(*(record.changed - [reflection.foreign_key])) + record.assign_attributes(attributes, :without_protection => true) end end end diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index 3967009c82..02a7f6af78 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -130,6 +130,28 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal car.id, bulb.car_id end + def test_association_protect_foreign_key + invoice = Invoice.create + + line_item = invoice.line_items.new + assert_equal invoice.id, line_item.invoice_id + + line_item = invoice.line_items.new :invoice_id => invoice.id + 1 + assert_equal invoice.id, line_item.invoice_id + + line_item = invoice.line_items.build + assert_equal invoice.id, line_item.invoice_id + + line_item = invoice.line_items.build :invoice_id => invoice.id + 1 + assert_equal invoice.id, line_item.invoice_id + + line_item = invoice.line_items.create + assert_equal invoice.id, line_item.invoice_id + + line_item = invoice.line_items.create :invoice_id => invoice.id + 1 + assert_equal invoice.id, line_item.invoice_id + end + def test_association_conditions_bypass_attribute_protection car = Car.create(:name => 'honda') diff --git a/activerecord/test/cases/associations/has_one_associations_test.rb b/activerecord/test/cases/associations/has_one_associations_test.rb index 246877bbed..9c05b36426 100644 --- a/activerecord/test/cases/associations/has_one_associations_test.rb +++ b/activerecord/test/cases/associations/has_one_associations_test.rb @@ -448,6 +448,22 @@ class HasOneAssociationsTest < ActiveRecord::TestCase assert_equal car.id, bulb.car_id end + def test_association_protect_foreign_key + pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?") + + ship = pirate.build_ship + assert_equal pirate.id, ship.pirate_id + + ship = pirate.build_ship :pirate_id => pirate.id + 1 + assert_equal pirate.id, ship.pirate_id + + ship = pirate.create_ship + assert_equal pirate.id, ship.pirate_id + + ship = pirate.create_ship :pirate_id => pirate.id + 1 + assert_equal pirate.id, ship.pirate_id + end + def test_association_conditions_bypass_attribute_protection car = Car.create(:name => 'honda') |