require "cases/helper" require 'models/topic' class TransactionCallbacksTest < ActiveRecord::TestCase self.use_transactional_fixtures = false fixtures :topics class TopicWithCallbacks < ActiveRecord::Base set_table_name :topics after_commit{|record| record.send(:do_after_commit, nil)} after_commit(:on => :create){|record| record.send(:do_after_commit, :create)} after_commit(:on => :update){|record| record.send(:do_after_commit, :update)} after_commit(:on => :destroy){|record| record.send(:do_after_commit, :destroy)} after_rollback{|record| record.send(:do_after_rollback, nil)} after_rollback(:on => :create){|record| record.send(:do_after_rollback, :create)} after_rollback(:on => :update){|record| record.send(:do_after_rollback, :update)} after_rollback(:on => :destroy){|record| record.send(:do_after_rollback, :destroy)} def history @history ||= [] end def after_commit_block(on = nil, &block) @after_commit ||= {} @after_commit[on] ||= [] @after_commit[on] << block end def after_rollback_block(on = nil, &block) @after_rollback ||= {} @after_rollback[on] ||= [] @after_rollback[on] << block end def do_after_commit(on) blocks = @after_commit[on] if defined?(@after_commit) blocks.each{|b| b.call(self)} if blocks end def do_after_rollback(on) blocks = @after_rollback[on] if defined?(@after_rollback) blocks.each{|b| b.call(self)} if blocks end end def setup @first, @second = TopicWithCallbacks.find(1, 3).sort_by { |t| t.id } end def test_call_after_commit_after_transaction_commits @first.after_commit_block{|r| r.history << :after_commit} @first.after_rollback_block{|r| r.history << :after_rollback} @first.save! assert_equal [:after_commit], @first.history end def test_only_call_after_commit_on_update_after_transaction_commits_for_existing_record @first.after_commit_block(:create){|r| r.history << :commit_on_create} @first.after_commit_block(:update){|r| r.history << :commit_on_update} @first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy} @first.after_rollback_block(:create){|r| r.history << :rollback_on_create} @first.after_rollback_block(:update){|r| r.history << :rollback_on_update} @first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy} @first.save! assert_equal [:commit_on_update], @first.history end def test_only_call_after_commit_on_destroy_after_transaction_commits_for_destroyed_record @first.after_commit_block(:create){|r| r.history << :commit_on_create} @first.after_commit_block(:update){|r| r.history << :commit_on_update} @first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy} @first.after_rollback_block(:create){|r| r.history << :rollback_on_create} @first.after_rollback_block(:update){|r| r.history << :rollback_on_update} @first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy} @first.destroy assert_equal [:commit_on_destroy], @first.history end def test_only_call_after_commit_on_create_after_transaction_commits_for_new_record @new_record = TopicWithCallbacks.new(:title => "New topic", :written_on => Date.today) @new_record.after_commit_block(:create){|r| r.history << :commit_on_create} @new_record.after_commit_block(:update){|r| r.history << :commit_on_update} @new_record.after_commit_block(:destroy){|r| r.history << :commit_on_destroy} @new_record.after_rollback_block(:create){|r| r.history << :rollback_on_create} @new_record.after_rollback_block(:update){|r| r.history << :rollback_on_update} @new_record.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy} @new_record.save! assert_equal [:commit_on_create], @new_record.history end def test_call_after_rollback_after_transaction_rollsback @first.after_commit_block{|r| r.history << :after_commit} @first.after_rollback_block{|r| r.history << :after_rollback} Topic.transaction do @first.save! raise ActiveRecord::Rollback end assert_equal [:after_rollback], @first.history end def test_only_call_after_rollback_on_update_after_transaction_rollsback_for_existing_record @first.after_commit_block(:create){|r| r.history << :commit_on_create} @first.after_commit_block(:update){|r| r.history << :commit_on_update} @first.after_commit_block(:destroy){|r| r.history << :commit_on_destroy} @first.after_rollback_block(:create){|r| r.history << :rollback_on_create} @first.after_rollback_block(:update){|r| r.history << :rollback_on_update} @first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy} Topic.transaction do @first.save! raise ActiveRecord::Rollback end assert_equal [:rollback_on_update], @first.history end def test_only_call_after_rollback_on_destroy_after_transaction_rollsback_for_destroyed_record @first.after_commit_block(:create){|r| r.history << :commit_on_create} @first.after_commit_block(:update){|r| r.history << :commit_on_update} @first.after_commit_block(:destroy){|r| r.history << :commit_on_update} @first.after_rollback_block(:create){|r| r.history << :rollback_on_create} @first.after_rollback_block(:update){|r| r.history << :rollback_on_update} @first.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy} Topic.transaction do @first.destroy raise ActiveRecord::Rollback end assert_equal [:rollback_on_destroy], @first.history end def test_only_call_after_rollback_on_create_after_transaction_rollsback_for_new_record @new_record = TopicWithCallbacks.new(:title => "New topic", :written_on => Date.today) @new_record.after_commit_block(:create){|r| r.history << :commit_on_create} @new_record.after_commit_block(:update){|r| r.history << :commit_on_update} @new_record.after_commit_block(:destroy){|r| r.history << :commit_on_destroy} @new_record.after_rollback_block(:create){|r| r.history << :rollback_on_create} @new_record.after_rollback_block(:update){|r| r.history << :rollback_on_update} @new_record.after_rollback_block(:destroy){|r| r.history << :rollback_on_destroy} Topic.transaction do @new_record.save! raise ActiveRecord::Rollback end assert_equal [:rollback_on_create], @new_record.history end def test_call_after_rollback_when_commit_fails @first.connection.class.send(:alias_method, :real_method_commit_db_transaction, :commit_db_transaction) begin @first.connection.class.class_eval do def commit_db_transaction; raise "boom!"; end end @first.after_commit_block{|r| r.history << :after_commit} @first.after_rollback_block{|r| r.history << :after_rollback} assert !@first.save rescue nil assert_equal [:after_rollback], @first.history ensure @first.connection.class.send(:remove_method, :commit_db_transaction) @first.connection.class.send(:alias_method, :commit_db_transaction, :real_method_commit_db_transaction) end end def test_only_call_after_rollback_on_records_rolled_back_to_a_savepoint def @first.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end def @first.commits(i=0); @commits ||= 0; @commits += i if i; end @first.after_rollback_block{|r| r.rollbacks(1)} @first.after_commit_block{|r| r.commits(1)} def @second.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end def @second.commits(i=0); @commits ||= 0; @commits += i if i; end @second.after_rollback_block{|r| r.rollbacks(1)} @second.after_commit_block{|r| r.commits(1)} Topic.transaction do @first.save! Topic.transaction(:requires_new => true) do @second.save! raise ActiveRecord::Rollback end end assert_equal 1, @first.commits assert_equal 0, @first.rollbacks assert_equal 0, @second.commits assert_equal 1, @second.rollbacks end def test_only_call_after_rollback_on_records_rolled_back_to_a_savepoint_when_release_savepoint_fails def @first.rollbacks(i=0); @rollbacks ||= 0; @rollbacks += i if i; end def @first.commits(i=0); @commits ||= 0; @commits += i if i; end @first.after_rollback_block{|r| r.rollbacks(1)} @first.after_commit_block{|r| r.commits(1)} Topic.transaction do @first.save Topic.transaction(:requires_new => true) do @first.save! raise ActiveRecord::Rollback end Topic.transaction(:requires_new => true) do @first.save! raise ActiveRecord::Rollback end end assert_equal 1, @first.commits assert_equal 2, @first.rollbacks end def test_after_transaction_callbacks_should_prevent_callbacks_from_being_called def @first.last_after_transaction_error=(e); @last_transaction_error = e; end def @first.last_after_transaction_error; @last_transaction_error; end @first.after_commit_block{|r| r.last_after_transaction_error = :commit; raise "fail!";} @first.after_rollback_block{|r| r.last_after_transaction_error = :rollback; raise "fail!";} @second.after_commit_block{|r| r.history << :after_commit} @second.after_rollback_block{|r| r.history << :after_rollback} Topic.transaction do @first.save! @second.save! end assert_equal :commit, @first.last_after_transaction_error assert_equal [:after_commit], @second.history @second.history.clear Topic.transaction do @first.save! @second.save! raise ActiveRecord::Rollback end assert_equal :rollback, @first.last_after_transaction_error assert_equal [:after_rollback], @second.history end end class TransactionObserverCallbacksTest < ActiveRecord::TestCase self.use_transactional_fixtures = false fixtures :topics class TopicWithObserverAttached < ActiveRecord::Base set_table_name :topics def history @history ||= [] end end class TopicWithObserverAttachedObserver < ActiveRecord::Observer def after_commit(record) record.history.push "after_commit" end def after_rollback(record) record.history.push "after_rollback" end end def test_after_commit_called assert TopicWithObserverAttachedObserver.instance, 'should have observer' topic = TopicWithObserverAttached.new topic.save! assert_equal %w{ after_commit }, topic.history end def test_after_rollback_called assert TopicWithObserverAttachedObserver.instance, 'should have observer' topic = TopicWithObserverAttached.new Topic.transaction do topic.save! raise ActiveRecord::Rollback end assert_equal %w{ after_rollback }, topic.history end end