diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/CHANGELOG | 4 | ||||
| -rwxr-xr-x | activerecord/lib/active_record/base.rb | 4 | ||||
| -rw-r--r-- | activerecord/lib/active_record/callbacks.rb | 2 | ||||
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb | 56 | ||||
| -rw-r--r-- | activerecord/lib/active_record/fixtures.rb | 12 | ||||
| -rw-r--r-- | activerecord/lib/active_record/transactions.rb | 137 | ||||
| -rw-r--r-- | activerecord/test/cases/active_schema_test_mysql.rb | 8 | ||||
| -rw-r--r-- | activerecord/test/cases/active_schema_test_postgresql.rb | 1 | ||||
| -rw-r--r-- | activerecord/test/cases/adapter_test.rb | 8 | ||||
| -rwxr-xr-x | activerecord/test/cases/base_test.rb | 17 | ||||
| -rw-r--r-- | activerecord/test/cases/transaction_callbacks_test.rb | 240 | ||||
| -rw-r--r-- | activerecord/test/cases/transactions_test.rb | 33 |
12 files changed, 495 insertions, 27 deletions
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG index 348248e849..7d5e550a7c 100644 --- a/activerecord/CHANGELOG +++ b/activerecord/CHANGELOG @@ -1,5 +1,7 @@ *Rails 3.0.0 [beta 4] (June 8th, 2010)* +* Fixed that ActiveRecord::Base.compute_type would swallow NoMethodError #4751 [Andrew Bloomgarden, Andrew White] + * Add index length support for MySQL. #1852 [Emili Parreno, Pratik Naik] Example: @@ -12,6 +14,8 @@ * find_or_create_by_attr(value, ...) works when attr is protected. #4457 [Santiago Pastorino, Marc-André Lafortune] +* New callbacks: after_commit and after_rollback. Do expensive operations like image thumbnailing after_commit instead of after_save. #2991 [Brian Durand] + * Serialized attributes are not converted to YAML if they are any of the formats that can be serialized to XML (like Hash, Array and Strings). [José Valim] * Destroy uses optimistic locking. If lock_version on the record you're destroying doesn't match lock_version in the database, a StaleObjectError is raised. #1966 [Curtis Hawthorne] diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index aa2826fb33..7cff6d9f1a 100755 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -1219,7 +1219,9 @@ module ActiveRecord #:nodoc: begin constant = candidate.constantize return constant if candidate == constant.to_s - rescue NameError + rescue NameError => e + # We don't want to swallow NoMethodError < NameError errors + raise e unless e.instance_of?(NameError) rescue ArgumentError end end diff --git a/activerecord/lib/active_record/callbacks.rb b/activerecord/lib/active_record/callbacks.rb index 498836aca4..44fee12001 100644 --- a/activerecord/lib/active_record/callbacks.rb +++ b/activerecord/lib/active_record/callbacks.rb @@ -31,7 +31,7 @@ module ActiveRecord # class CreditCard < ActiveRecord::Base # # Strip everything but digits, so the user can specify "555 234 34" or # # "5552-3434" or both will mean "55523434" - # def before_validation_on_create + # before_validation(:on => :create) do # self.number = number.gsub(/[^0-9]/, "") if attribute_present?("number") # end # end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index 0c87e052c4..b9fb452eee 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -122,6 +122,8 @@ module ActiveRecord requires_new = options[:requires_new] || !last_transaction_joinable transaction_open = false + @_current_transaction_records ||= [] + begin if block_given? if requires_new || open_transactions == 0 @@ -132,6 +134,7 @@ module ActiveRecord end increment_open_transactions transaction_open = true + @_current_transaction_records.push([]) end yield end @@ -141,8 +144,10 @@ module ActiveRecord decrement_open_transactions if open_transactions == 0 rollback_db_transaction + rollback_transaction_records(true) else rollback_to_savepoint + rollback_transaction_records(false) end end raise unless database_transaction_rollback.is_a?(ActiveRecord::Rollback) @@ -157,20 +162,35 @@ module ActiveRecord begin if open_transactions == 0 commit_db_transaction + commit_transaction_records else release_savepoint + save_point_records = @_current_transaction_records.pop + unless save_point_records.blank? + @_current_transaction_records.push([]) if @_current_transaction_records.empty? + @_current_transaction_records.last.concat(save_point_records) + end end rescue Exception => database_transaction_rollback if open_transactions == 0 rollback_db_transaction + rollback_transaction_records(true) else rollback_to_savepoint + rollback_transaction_records(false) end raise end end end + # Register a record with the current transaction so that its after_commit and after_rollback callbacks + # can be called. + def add_transaction_record(record) + last_batch = @_current_transaction_records.last + last_batch << record if last_batch + end + # Begins the transaction (and turns off auto-committing). def begin_db_transaction() end @@ -268,6 +288,42 @@ module ActiveRecord limit.to_i end end + + # Send a rollback message to all records after they have been rolled back. If rollback + # is false, only rollback records since the last save point. + def rollback_transaction_records(rollback) #:nodoc + if rollback + records = @_current_transaction_records.flatten + @_current_transaction_records.clear + else + records = @_current_transaction_records.pop + end + + unless records.blank? + records.uniq.each do |record| + begin + record.rolledback!(rollback) + rescue Exception => e + record.logger.error(e) if record.respond_to?(:logger) + end + end + end + end + + # Send a commit message to all records after they have been committed. + def commit_transaction_records #:nodoc + records = @_current_transaction_records.flatten + @_current_transaction_records.clear + unless records.blank? + records.uniq.each do |record| + begin + record.committed! + rescue Exception => e + record.logger.error(e) if record.respond_to?(:logger) + end + end + end + end end end end diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index 8099aaa7f7..82270c56b3 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -787,16 +787,14 @@ class Fixture #:nodoc: end def key_list - columns = @fixture.keys.collect{ |column_name| @connection.quote_column_name(column_name) } - columns.join(", ") + @fixture.keys.map { |column_name| @connection.quote_column_name(column_name) }.join(', ') end def value_list - list = @fixture.inject([]) do |fixtures, (key, value)| - col = model_class.columns_hash[key] if model_class.respond_to?(:ancestors) && model_class.ancestors.include?(ActiveRecord::Base) - fixtures << @connection.quote(value, col).gsub('[^\]\\n', "\n").gsub('[^\]\\r', "\r") - end - list * ', ' + cols = (model_class && model_class < ActiveRecord::Base) ? model_class.columns_hash : {} + @fixture.map do |key, value| + @connection.quote(value, cols[key]).gsub('[^\]\\n', "\n").gsub('[^\]\\r', "\r") + end.join(', ') end def find diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb index 3f2c1911e7..620758f5af 100644 --- a/activerecord/lib/active_record/transactions.rb +++ b/activerecord/lib/active_record/transactions.rb @@ -8,6 +8,10 @@ module ActiveRecord class TransactionError < ActiveRecordError # :nodoc: end + included do + define_callbacks :commit, :rollback, :terminator => "result == false", :scope => [:kind, :name] + end + # Transactions are protective blocks where SQL statements are only permanent # if they can all succeed as one atomic action. The classic example is a # transfer between two accounts where you can only have a deposit if the @@ -72,7 +76,7 @@ module ActiveRecord # # Both +save+ and +destroy+ come wrapped in a transaction that ensures # that whatever you do in validations or callbacks will happen under its - # protected cover. So you can use validations to check for values that + # protected cover. So you can use validations to check for values that # the transaction depends on or you can raise exceptions in the callbacks # to rollback, including <tt>after_*</tt> callbacks. # @@ -158,6 +162,21 @@ module ActiveRecord # http://dev.mysql.com/doc/refman/5.0/en/savepoints.html # for more information about savepoints. # + # === Callbacks + # + # There are two types of callbacks associated with committing and rolling back transactions: + # +after_commit+ and +after_rollback+. + # + # +after_commit+ callbacks are called on every record saved or destroyed within a + # transaction immediately after the transaction is committed. +after_rollback+ callbacks + # are called on every record saved or destroyed within a transaction immediately after the + # transaction or savepoint is rolled back. + # + # These callbacks are useful for interacting with other systems since you will be guaranteed + # that the callback is only executed when the database is in a permanent state. For example, + # +after_commit+ is a good spot to put in a hook to clearing a cache since clearing it from + # within a transaction could trigger the cache to be regenerated before the database is updated. + # # === Caveats # # If you're on MySQL, then do not use DDL operations in nested transactions @@ -182,6 +201,24 @@ module ActiveRecord # See the ConnectionAdapters::DatabaseStatements#transaction API docs. connection.transaction(options, &block) end + + def after_commit(*args, &block) + options = args.last + if options.is_a?(Hash) && options[:on] + options[:if] = Array.wrap(options[:if]) + options[:if] << "transaction_include_action?(:#{options[:on]})" + end + set_callback(:commit, :after, *args, &block) + end + + def after_rollback(*args, &block) + options = args.last + if options.is_a?(Hash) && options[:on] + options[:if] = Array.wrap(options[:if]) + options[:if] << "transaction_include_action?(:#{options[:on]})" + end + set_callback(:rollback, :after, *args, &block) + end end # See ActiveRecord::Transactions::ClassMethods for detailed documentation. @@ -205,19 +242,36 @@ module ActiveRecord # Reset id and @new_record if the transaction rolls back. def rollback_active_record_state! - id_present = has_attribute?(self.class.primary_key) - previous_id = id - previous_new_record = new_record? + remember_transaction_record_state yield rescue Exception - @new_record = previous_new_record - if id_present - self.id = previous_id - else - @attributes.delete(self.class.primary_key) - @attributes_cache.delete(self.class.primary_key) - end + restore_transaction_record_state raise + ensure + clear_transaction_record_state + end + + # Call the after_commit callbacks + def committed! #:nodoc: + _run_commit_callbacks + ensure + clear_transaction_record_state + end + + # Call the after rollback callbacks. The restore_state argument indicates if the record + # state should be rolled back to the beginning or just to the last savepoint. + def rolledback!(force_restore_state = false) #:nodoc: + _run_rollback_callbacks + ensure + restore_transaction_record_state(force_restore_state) + end + + # Add the record to the current transaction so that the :after_rollback and :after_commit callbacks + # can be called. + def add_to_transaction + if self.class.connection.add_transaction_record(self) + remember_transaction_record_state + end end # Executes +method+ within a transaction and captures its return value as a @@ -229,10 +283,71 @@ module ActiveRecord def with_transaction_returning_status status = nil self.class.transaction do + add_to_transaction status = yield raise ActiveRecord::Rollback unless status end status end + + protected + + # Save the new record state and id of a record so it can be restored later if a transaction fails. + def remember_transaction_record_state #:nodoc + @_start_transaction_state ||= {} + unless @_start_transaction_state.include?(:new_record) + @_start_transaction_state[:id] = id if has_attribute?(self.class.primary_key) + @_start_transaction_state[:new_record] = @new_record + end + unless @_start_transaction_state.include?(:destroyed) + @_start_transaction_state[:destroyed] = @destroyed + end + @_start_transaction_state[:level] = (@_start_transaction_state[:level] || 0) + 1 + end + + # Clear the new record state and id of a record. + def clear_transaction_record_state #:nodoc + if defined?(@_start_transaction_state) + @_start_transaction_state[:level] = (@_start_transaction_state[:level] || 0) - 1 + remove_instance_variable(:@_start_transaction_state) if @_start_transaction_state[:level] < 1 + end + end + + # Restore the new record state and id of a record that was previously saved by a call to save_record_state. + def restore_transaction_record_state(force = false) #:nodoc + if defined?(@_start_transaction_state) + @_start_transaction_state[:level] = (@_start_transaction_state[:level] || 0) - 1 + if @_start_transaction_state[:level] < 1 + restore_state = remove_instance_variable(:@_start_transaction_state) + if restore_state + @new_record = restore_state[:new_record] + @destroyed = restore_state[:destroyed] + if restore_state[:id] + self.id = restore_state[:id] + else + @attributes.delete(self.class.primary_key) + @attributes_cache.delete(self.class.primary_key) + end + end + end + end + end + + # Determine if a record was created or destroyed in a transaction. State should be one of :new_record or :destroyed. + def transaction_record_state(state) #:nodoc + @_start_transaction_state[state] if defined?(@_start_transaction_state) + end + + # Determine if a transaction included an action for :create, :update, or :destroy. Used in filtering callbacks. + def transaction_include_action?(action) #:nodoc + case action + when :create + transaction_record_state(:new_record) + when :destroy + destroyed? + when :update + !(transaction_record_state(:new_record) || destroyed?) + end + end end end diff --git a/activerecord/test/cases/active_schema_test_mysql.rb b/activerecord/test/cases/active_schema_test_mysql.rb index 3526f49afd..d7431e5158 100644 --- a/activerecord/test/cases/active_schema_test_mysql.rb +++ b/activerecord/test/cases/active_schema_test_mysql.rb @@ -4,6 +4,7 @@ class ActiveSchemaTest < ActiveRecord::TestCase def setup ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do alias_method :execute_without_stub, :execute + remove_method :execute def execute(sql, name = nil) return sql end end end @@ -66,7 +67,7 @@ class ActiveSchemaTest < ActiveRecord::TestCase assert_equal "DROP TABLE `otherdb`.`people`", drop_table('otherdb.people') end - def test_add_timestamps + def test_add_timestamps with_real_execute do begin ActiveRecord::Base.connection.create_table :delete_me do |t| @@ -79,8 +80,8 @@ class ActiveSchemaTest < ActiveRecord::TestCase end end end - - def test_remove_timestamps + + def test_remove_timestamps with_real_execute do begin ActiveRecord::Base.connection.create_table :delete_me do |t| @@ -106,6 +107,7 @@ class ActiveSchemaTest < ActiveRecord::TestCase ensure #before finishing, we restore the alias to the mock-up method ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do + remove_method :execute alias_method :execute, :execute_with_stub end end diff --git a/activerecord/test/cases/active_schema_test_postgresql.rb b/activerecord/test/cases/active_schema_test_postgresql.rb index af80f724f2..4f04c6735c 100644 --- a/activerecord/test/cases/active_schema_test_postgresql.rb +++ b/activerecord/test/cases/active_schema_test_postgresql.rb @@ -4,6 +4,7 @@ class PostgresqlActiveSchemaTest < Test::Unit::TestCase def setup ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.class_eval do alias_method :real_execute, :execute + remove_method :execute def execute(sql, name = nil) sql end end end diff --git a/activerecord/test/cases/adapter_test.rb b/activerecord/test/cases/adapter_test.rb index 0152b7be2a..fc08c2178a 100644 --- a/activerecord/test/cases/adapter_test.rb +++ b/activerecord/test/cases/adapter_test.rb @@ -145,13 +145,13 @@ class AdapterTest < ActiveRecord::TestCase def test_add_limit_offset_should_sanitize_sql_injection_for_limit_without_comas sql_inject = "1 select * from schema" - assert_no_match /schema/, @connection.add_limit_offset!("", :limit=>sql_inject) - assert_no_match /schema/, @connection.add_limit_offset!("", :limit=>sql_inject, :offset=>7) + assert_no_match(/schema/, @connection.add_limit_offset!("", :limit=>sql_inject)) + assert_no_match(/schema/, @connection.add_limit_offset!("", :limit=>sql_inject, :offset=>7)) end def test_add_limit_offset_should_sanitize_sql_injection_for_limit_with_comas sql_inject = "1, 7 procedure help()" - assert_no_match /procedure/, @connection.add_limit_offset!("", :limit=>sql_inject) - assert_no_match /procedure/, @connection.add_limit_offset!("", :limit=>sql_inject, :offset=>7) + assert_no_match(/procedure/, @connection.add_limit_offset!("", :limit=>sql_inject)) + assert_no_match(/procedure/, @connection.add_limit_offset!("", :limit=>sql_inject, :offset=>7)) end end diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb index 36c572b5e7..5c175de6d4 100755 --- a/activerecord/test/cases/base_test.rb +++ b/activerecord/test/cases/base_test.rb @@ -2334,6 +2334,23 @@ class BasicsTest < ActiveRecord::TestCase assert !Minimalistic.new.freeze.dup.frozen? end + def test_compute_type_success + assert_equal Author, ActiveRecord::Base.send(:compute_type, 'Author') + end + + def test_compute_type_nonexistent_constant + assert_raises NameError do + ActiveRecord::Base.send :compute_type, 'NonexistentModel' + end + end + + def test_compute_type_no_method_error + String.any_instance.stubs(:constantize).raises(NoMethodError) + assert_raises NoMethodError do + ActiveRecord::Base.send :compute_type, 'InvalidModel' + end + end + protected def with_env_tz(new_tz = 'US/Eastern') old_tz, ENV['TZ'] = ENV['TZ'], new_tz diff --git a/activerecord/test/cases/transaction_callbacks_test.rb b/activerecord/test/cases/transaction_callbacks_test.rb new file mode 100644 index 0000000000..ebc16653cb --- /dev/null +++ b/activerecord/test/cases/transaction_callbacks_test.rb @@ -0,0 +1,240 @@ +require "cases/helper" +require 'models/topic' +require 'models/reply' + +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_not_raise_errors + 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!";} + + @first.save! + assert_equal :commit, @first.last_after_transaction_error + + Topic.transaction do + @first.save! + raise ActiveRecord::Rollback + end + + assert_equal :rollback, @first.last_after_transaction_error + end +end diff --git a/activerecord/test/cases/transactions_test.rb b/activerecord/test/cases/transactions_test.rb index 00f3b527d7..958a4e4f94 100644 --- a/activerecord/test/cases/transactions_test.rb +++ b/activerecord/test/cases/transactions_test.rb @@ -320,6 +320,33 @@ class TransactionTest < ActiveRecord::TestCase end end + def test_restore_active_record_state_for_all_records_in_a_transaction + topic_1 = Topic.new(:title => 'test_1') + topic_2 = Topic.new(:title => 'test_2') + Topic.transaction do + assert topic_1.save + assert topic_2.save + @first.save + @second.destroy + assert_equal false, topic_1.new_record? + assert_not_nil topic_1.id + assert_equal false, topic_2.new_record? + assert_not_nil topic_2.id + assert_equal false, @first.new_record? + assert_not_nil @first.id + assert_equal true, @second.destroyed? + raise ActiveRecord::Rollback + end + + assert_equal true, topic_1.new_record? + assert_nil topic_1.id + assert_equal true, topic_2.new_record? + assert_nil topic_2.id + assert_equal false, @first.new_record? + assert_not_nil @first.id + assert_equal false, @second.destroyed? + end + if current_adapter?(:PostgreSQLAdapter) && defined?(PGconn::PQTRANS_IDLE) def test_outside_transaction_works assert Topic.connection.outside_transaction? @@ -382,6 +409,12 @@ 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) |