require "cases/helper" require 'models/owner' require 'models/pet' require 'models/topic' class TransactionCallbacksTest < ActiveRecord::TestCase self.use_transactional_fixtures = false fixtures :topics, :owners, :pets class ReplyWithCallbacks < ActiveRecord::Base self.table_name = :topics belongs_to :topic, foreign_key: "parent_id" validates_presence_of :content after_commit :do_after_commit, on: :create def history @history ||= [] end def do_after_commit history << :commit_on_create end end class TopicWithCallbacks < ActiveRecord::Base self.table_name = :topics has_many :replies, class_name: "ReplyWithCallbacks", foreign_key: "parent_id" after_commit { |record| record.do_after_commit(nil) } after_commit(on: :create) { |record| record.do_after_commit(:create) } after_commit(on: :update) { |record| record.do_after_commit(:update) } after_commit(on: :destroy) { |record| record.do_after_commit(:destroy) } after_rollback { |record| record.do_after_rollback(nil) } after_rollback(on: :create) { |record| record.do_after_rollback(:create) } after_rollback(on: :update) { |record| record.do_after_rollback(:update) } after_rollback(on: :destroy) { |record| record.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 = TopicWithCallbacks.find(1) 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 add_transaction_execution_blocks @first @first.save! assert_equal [:commit_on_update], @first.history end def test_only_call_after_commit_on_destroy_after_transaction_commits_for_destroyed_record add_transaction_execution_blocks @first @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) add_transaction_execution_blocks new_record new_record.save! assert_equal [:commit_on_create], new_record.history end def test_only_call_after_commit_on_create_after_transaction_commits_for_new_record_if_create_succeeds_creating_through_association topic = TopicWithCallbacks.create!(:title => "New topic", :written_on => Date.today) reply = topic.replies.create assert_equal [], reply.history end def test_only_call_after_commit_on_update_after_transaction_commits_for_existing_record_on_touch add_transaction_execution_blocks @first @first.touch assert_equal [:commit_on_update], @first.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 add_transaction_execution_blocks @first Topic.transaction do @first.save! raise ActiveRecord::Rollback end assert_equal [:rollback_on_update], @first.history end def test_only_call_after_rollback_on_update_after_transaction_rollsback_for_existing_record_on_touch add_transaction_execution_blocks @first Topic.transaction do @first.touch 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 add_transaction_execution_blocks @first 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) add_transaction_execution_blocks new_record 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.class.connection.singleton_class.send(:alias_method, :real_method_commit_db_transaction, :commit_db_transaction) begin @first.class.connection.singleton_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.class.connection.singleton_class.send(:remove_method, :commit_db_transaction) @first.class.connection.singleton_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)} second = TopicWithCallbacks.find(3) 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 = TopicWithCallbacks.find(3) 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 def test_after_rollback_callbacks_should_validate_on_condition assert_raise(ArgumentError) { Topic.after_rollback(on: :save) } end def test_after_commit_callbacks_should_validate_on_condition assert_raise(ArgumentError) { Topic.after_commit(on: :save) } end def test_saving_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_call_callbacks_on_the_parent_object pet = Pet.first owner = pet.owner flag = false owner.on_after_commit do flag = true end pet.name = "Fluffy the Third" pet.save assert flag end private def add_transaction_execution_blocks(record) record.after_commit_block(:create) { |r| r.history << :commit_on_create } record.after_commit_block(:update) { |r| r.history << :commit_on_update } record.after_commit_block(:destroy) { |r| r.history << :commit_on_destroy } record.after_rollback_block(:create) { |r| r.history << :rollback_on_create } record.after_rollback_block(:update) { |r| r.history << :rollback_on_update } record.after_rollback_block(:destroy) { |r| r.history << :rollback_on_destroy } end end class CallbacksOnMultipleActionsTest < ActiveRecord::TestCase self.use_transactional_fixtures = false class TopicWithCallbacksOnMultipleActions < ActiveRecord::Base self.table_name = :topics after_commit(on: [:create, :destroy]) { |record| record.history << :create_and_destroy } after_commit(on: [:create, :update]) { |record| record.history << :create_and_update } after_commit(on: [:update, :destroy]) { |record| record.history << :update_and_destroy } def clear_history @history = [] end def history @history ||= [] end end def test_after_commit_on_multiple_actions topic = TopicWithCallbacksOnMultipleActions.new topic.save assert_equal [:create_and_update, :create_and_destroy], topic.history topic.clear_history topic.approved = true topic.save assert_equal [:update_and_destroy, :create_and_update], topic.history topic.clear_history topic.destroy assert_equal [:update_and_destroy, :create_and_destroy], topic.history end end