diff options
Diffstat (limited to 'activerecord/test/cases/transactions_test.rb')
| -rw-r--r-- | activerecord/test/cases/transactions_test.rb | 196 |
1 files changed, 73 insertions, 123 deletions
diff --git a/activerecord/test/cases/transactions_test.rb b/activerecord/test/cases/transactions_test.rb index a9ccd00fac..0d0de455b3 100644 --- a/activerecord/test/cases/transactions_test.rb +++ b/activerecord/test/cases/transactions_test.rb @@ -91,18 +91,14 @@ class TransactionTest < ActiveRecord::TestCase end def test_raising_exception_in_callback_rollbacks_in_save - add_exception_raising_after_save_callback_to_topic - - begin - @first.approved = true - @first.save - flunk - rescue => e - assert_equal "Make the transaction rollback", e.message - assert !Topic.find(1).approved? - ensure - remove_exception_raising_after_save_callback_to_topic + def @first.after_save_for_transaction + raise 'Make the transaction rollback' end + + @first.approved = true + e = assert_raises(RuntimeError) { @first.save } + assert_equal "Make the transaction rollback", e.message + assert !Topic.find(1).approved? end def test_update_attributes_should_rollback_on_failure @@ -125,85 +121,85 @@ class TransactionTest < ActiveRecord::TestCase end def test_cancellation_from_before_destroy_rollbacks_in_destroy - add_cancelling_before_destroy_with_db_side_effect_to_topic - begin - nbooks_before_destroy = Book.count - status = @first.destroy - assert !status - assert_nothing_raised(ActiveRecord::RecordNotFound) { @first.reload } - assert_equal nbooks_before_destroy, Book.count - ensure - remove_cancelling_before_destroy_with_db_side_effect_to_topic - end + add_cancelling_before_destroy_with_db_side_effect_to_topic @first + nbooks_before_destroy = Book.count + status = @first.destroy + assert !status + @first.reload + assert_equal nbooks_before_destroy, Book.count end - def test_cancellation_from_before_filters_rollbacks_in_save - %w(validation save).each do |filter| - send("add_cancelling_before_#{filter}_with_db_side_effect_to_topic") - begin - nbooks_before_save = Book.count - original_author_name = @first.author_name - @first.author_name += '_this_should_not_end_up_in_the_db' - status = @first.save - assert !status - assert_equal original_author_name, @first.reload.author_name - assert_equal nbooks_before_save, Book.count - ensure - send("remove_cancelling_before_#{filter}_with_db_side_effect_to_topic") - end + %w(validation save).each do |filter| + define_method("test_cancellation_from_before_filters_rollbacks_in_#{filter}") do + send("add_cancelling_before_#{filter}_with_db_side_effect_to_topic", @first) + nbooks_before_save = Book.count + original_author_name = @first.author_name + @first.author_name += '_this_should_not_end_up_in_the_db' + status = @first.save + assert !status + assert_equal original_author_name, @first.reload.author_name + assert_equal nbooks_before_save, Book.count end - end - def test_cancellation_from_before_filters_rollbacks_in_save! - %w(validation save).each do |filter| - send("add_cancelling_before_#{filter}_with_db_side_effect_to_topic") + define_method("test_cancellation_from_before_filters_rollbacks_in_#{filter}!") do + send("add_cancelling_before_#{filter}_with_db_side_effect_to_topic", @first) + nbooks_before_save = Book.count + original_author_name = @first.author_name + @first.author_name += '_this_should_not_end_up_in_the_db' + begin - nbooks_before_save = Book.count - original_author_name = @first.author_name - @first.author_name += '_this_should_not_end_up_in_the_db' @first.save! - flunk - rescue - assert_equal original_author_name, @first.reload.author_name - assert_equal nbooks_before_save, Book.count - ensure - send("remove_cancelling_before_#{filter}_with_db_side_effect_to_topic") + rescue ActiveRecord::RecordInvalid, ActiveRecord::RecordNotSaved end + + assert_equal original_author_name, @first.reload.author_name + assert_equal nbooks_before_save, Book.count end end def test_callback_rollback_in_create - new_topic = Topic.new( - :title => "A new topic", - :author_name => "Ben", - :author_email_address => "ben@example.com", - :written_on => "2003-07-16t15:28:11.2233+01:00", - :last_read => "2004-04-15", - :bonus_time => "2005-01-30t15:28:00.00+01:00", - :content => "Have a nice day", - :approved => false) + topic = Class.new(Topic) { + def after_create_for_transaction + raise 'Make the transaction rollback' + end + } + + new_topic = topic.new(:title => "A new topic", + :author_name => "Ben", + :author_email_address => "ben@example.com", + :written_on => "2003-07-16t15:28:11.2233+01:00", + :last_read => "2004-04-15", + :bonus_time => "2005-01-30t15:28:00.00+01:00", + :content => "Have a nice day", + :approved => false) + new_record_snapshot = !new_topic.persisted? id_present = new_topic.has_attribute?(Topic.primary_key) id_snapshot = new_topic.id # Make sure the second save gets the after_create callback called. 2.times do - begin - add_exception_raising_after_create_callback_to_topic - new_topic.approved = true - new_topic.save - flunk - rescue => e - assert_equal "Make the transaction rollback", e.message - assert_equal new_record_snapshot, !new_topic.persisted?, "The topic should have its old persisted value" - assert_equal id_snapshot, new_topic.id, "The topic should have its old id" - assert_equal id_present, new_topic.has_attribute?(Topic.primary_key) - ensure - remove_exception_raising_after_create_callback_to_topic - end + new_topic.approved = true + e = assert_raises(RuntimeError) { new_topic.save } + assert_equal "Make the transaction rollback", e.message + assert_equal new_record_snapshot, !new_topic.persisted?, "The topic should have its old persisted value" + assert_equal id_snapshot, new_topic.id, "The topic should have its old id" + assert_equal id_present, new_topic.has_attribute?(Topic.primary_key) end end + def test_callback_rollback_in_create_with_record_invalid_exception + topic = Class.new(Topic) { + def after_create_for_transaction + raise ActiveRecord::RecordInvalid.new(Author.new) + end + } + + new_topic = topic.create(:title => "A new topic") + assert !new_topic.persisted?, "The topic should not be persisted" + assert_nil new_topic.id, "The topic should not have an ID" + end + def test_nested_explicit_transactions Topic.transaction do Topic.transaction do @@ -461,62 +457,16 @@ class TransactionTest < ActiveRecord::TestCase end private - def define_callback_method(callback_method) - define_method(callback_method) do - self.history << [callback_method, :method] - end - end - def add_exception_raising_after_save_callback_to_topic - Topic.class_eval <<-eoruby, __FILE__, __LINE__ + 1 - remove_method(:after_save_for_transaction) - def after_save_for_transaction - raise 'Make the transaction rollback' - end - eoruby - end - - def remove_exception_raising_after_save_callback_to_topic - Topic.class_eval <<-eoruby, __FILE__, __LINE__ + 1 - remove_method :after_save_for_transaction - def after_save_for_transaction; end - eoruby - end - - def add_exception_raising_after_create_callback_to_topic - Topic.class_eval <<-eoruby, __FILE__, __LINE__ + 1 - remove_method(:after_create_for_transaction) - def after_create_for_transaction - raise 'Make the transaction rollback' - end - eoruby - end - - def remove_exception_raising_after_create_callback_to_topic - Topic.class_eval <<-eoruby, __FILE__, __LINE__ + 1 - remove_method :after_create_for_transaction - def after_create_for_transaction; end - eoruby - end - - %w(validation save destroy).each do |filter| - define_method("add_cancelling_before_#{filter}_with_db_side_effect_to_topic") do - Topic.class_eval <<-eoruby, __FILE__, __LINE__ + 1 - remove_method :before_#{filter}_for_transaction - def before_#{filter}_for_transaction - Book.create - false - end - eoruby - end - - define_method("remove_cancelling_before_#{filter}_with_db_side_effect_to_topic") do - Topic.class_eval <<-eoruby, __FILE__, __LINE__ + 1 - remove_method :before_#{filter}_for_transaction - def before_#{filter}_for_transaction; end - eoruby + %w(validation save destroy).each do |filter| + define_method("add_cancelling_before_#{filter}_with_db_side_effect_to_topic") do |topic| + meta = class << topic; self; end + meta.send("define_method", "before_#{filter}_for_transaction") do + Book.create + false end end + end end class TransactionsWithTransactionalFixturesTest < ActiveRecord::TestCase |