require "cases/helper" require 'support/connection_helper' require 'support/ddl_helper' class MysqlConnectionTest < ActiveRecord::MysqlTestCase include ConnectionHelper include DdlHelper class Klass < ActiveRecord::Base end def setup super @connection = ActiveRecord::Base.connection end def test_mysql_reconnect_attribute_after_connection_with_reconnect_true run_without_connection do |orig_connection| ActiveRecord::Base.establish_connection(orig_connection.merge({:reconnect => true})) assert ActiveRecord::Base.connection.raw_connection.reconnect end end unless ARTest.connection_config['arunit']['socket'] def test_connect_with_url run_without_connection do ar_config = ARTest.connection_config['arunit'] url = "mysql://#{ar_config["username"]}:#{ar_config["password"]}@localhost/#{ar_config["database"]}" Klass.establish_connection(url) assert_equal ar_config['database'], Klass.connection.current_database end end end def test_mysql_reconnect_attribute_after_connection_with_reconnect_false run_without_connection do |orig_connection| ActiveRecord::Base.establish_connection(orig_connection.merge({:reconnect => false})) assert !ActiveRecord::Base.connection.raw_connection.reconnect end 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(&:verify!) 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 def test_bind_value_substitute bind_param = @connection.substitute_at('foo') assert_equal Arel.sql('?'), bind_param.to_sql end def test_exec_no_binds with_example_table do result = @connection.exec_query('SELECT id, data FROM ex') assert_equal 0, result.rows.length assert_equal 2, result.columns.length assert_equal %w{ id data }, result.columns @connection.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")') # if there are no bind parameters, it will return a string (due to # the libmysql api) result = @connection.exec_query('SELECT id, data FROM ex') assert_equal 1, result.rows.length assert_equal 2, result.columns.length assert_equal [['1', 'foo']], result.rows end end def test_exec_with_binds with_example_table do @connection.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")') result = @connection.exec_query( 'SELECT id, data FROM ex WHERE id = ?', nil, [ActiveRecord::Relation::QueryAttribute.new("id", 1, ActiveRecord::Type::Value.new)]) assert_equal 1, result.rows.length assert_equal 2, result.columns.length assert_equal [[1, 'foo']], result.rows end end def test_exec_typecasts_bind_vals with_example_table do @connection.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")') bind = ActiveRecord::Relation::QueryAttribute.new("id", "1-fuu", ActiveRecord::Type::Integer.new) result = @connection.exec_query( 'SELECT id, data FROM ex WHERE id = ?', nil, [bind]) assert_equal 1, result.rows.length assert_equal 2, result.columns.length assert_equal [[1, 'foo']], result.rows end end def test_mysql_connection_collation_is_configured assert_equal 'utf8_unicode_ci', @connection.show_variable('collation_connection') assert_equal 'utf8_general_ci', ARUnit2Model.connection.show_variable('collation_connection') end 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 run_without_connection do |orig_connection| ActiveRecord::Base.establish_connection(orig_connection.merge({:strict => false})) result = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.sql_mode" assert_equal [['']], result.rows end end def test_mysql_strict_mode_specified_default run_without_connection do |orig_connection| ActiveRecord::Base.establish_connection(orig_connection.merge({strict: :default})) 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_sql_mode_variable_overrides_strict_mode run_without_connection do |orig_connection| ActiveRecord::Base.establish_connection(orig_connection.deep_merge(variables: { 'sql_mode' => 'ansi' })) result = ActiveRecord::Base.connection.exec_query 'SELECT @@SESSION.sql_mode' assert_not_equal [['STRICT_ALL_TABLES']], result.rows 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_get_and_release_advisory_lock lock_name = "test_lock_name" got_lock = @connection.get_advisory_lock(lock_name) assert got_lock, "get_advisory_lock should have returned true but it didn't" assert_equal test_lock_free(lock_name), false, "expected the test advisory lock to be held but it wasn't" released_lock = @connection.release_advisory_lock(lock_name) assert released_lock, "expected release_advisory_lock to return true but it didn't" assert test_lock_free(lock_name), 'expected the test lock to be available after releasing' end def test_release_non_existent_advisory_lock lock_name = "fake_lock_name" released_non_existent_lock = @connection.release_advisory_lock(lock_name) assert_equal released_non_existent_lock, false, 'expected release_advisory_lock to return false when there was no lock to release' end protected def test_lock_free(lock_name) @connection.select_value("SELECT IS_FREE_LOCK('#{lock_name}');") == '1' end private def with_example_table(&block) definition ||= <<-SQL `id` int auto_increment PRIMARY KEY, `data` varchar(255) SQL super(@connection, 'ex', definition, &block) end end