require "cases/helper" class MysqlConnectionTest < ActiveRecord::TestCase def setup super @subscriber = SQLSubscriber.new ActiveSupport::Notifications.subscribe('sql.active_record', @subscriber) @connection = ActiveRecord::Base.connection end def teardown ActiveSupport::Notifications.unsubscribe(@subscriber) super end def test_no_automatic_reconnection_after_timeout assert @connection.active? @connection.update('set @@wait_timeout=1') sleep 2 assert !@connection.active? # Repair all fixture connections so other tests won't break. @fixture_connections.each do |c| c.verify! end end def test_successful_reconnection_after_timeout_with_manual_reconnect assert @connection.active? @connection.update('set @@wait_timeout=1') sleep 2 @connection.reconnect! assert @connection.active? end def test_successful_reconnection_after_timeout_with_verify assert @connection.active? @connection.update('set @@wait_timeout=1') sleep 2 @connection.verify! assert @connection.active? end # TODO: Below is a straight up copy/paste from mysql/connection_test.rb # I'm not sure what the correct way is to share these tests between # adapters in minitest. def test_mysql_default_in_strict_mode result = @connection.exec_query "SELECT @@SESSION.sql_mode" assert_equal [["STRICT_ALL_TABLES"]], result.rows end def test_mysql_strict_mode_disabled_dont_override_global_sql_mode run_without_connection do |orig_connection| ActiveRecord::Base.establish_connection(orig_connection.merge({:strict => false})) global_sql_mode = ActiveRecord::Base.connection.exec_query "SELECT @@GLOBAL.sql_mode" session_sql_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.sql_mode" assert_equal global_sql_mode.rows, session_sql_mode.rows end end def test_mysql_set_session_variable run_without_connection do |orig_connection| ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:default_week_format => 3}})) session_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.DEFAULT_WEEK_FORMAT" assert_equal 3, session_mode.rows.first.first.to_i end end def test_mysql_set_session_variable_to_default run_without_connection do |orig_connection| ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:default_week_format => :default}})) global_mode = ActiveRecord::Base.connection.exec_query "SELECT @@GLOBAL.DEFAULT_WEEK_FORMAT" session_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.DEFAULT_WEEK_FORMAT" assert_equal global_mode.rows, session_mode.rows end end def test_logs_name_show_variable @connection.show_variable 'foo' assert_equal "SCHEMA", @subscriber.logged[0][1] end def test_logs_name_rename_column_sql @connection.execute "CREATE TABLE `bar_baz` (`foo` varchar(255))" @subscriber.logged.clear @connection.send(:rename_column_sql, 'bar_baz', 'foo', 'foo2') assert_equal "SCHEMA", @subscriber.logged[0][1] ensure @connection.execute "DROP TABLE `bar_baz`" end private def run_without_connection original_connection = ActiveRecord::Base.remove_connection begin yield original_connection ensure ActiveRecord::Base.establish_connection(original_connection) end end end