require "cases/helper" class TestRecord < ActiveRecord::Base end class TestDisconnectedAdapter < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @connection = ActiveRecord::Base.connection end def teardown return if in_memory_db? spec = ActiveRecord::Base.connection_config ActiveRecord::Base.establish_connection(spec) end unless in_memory_db? test "can't execute statements while disconnected" do @connection.execute "SELECT count(*) from products" @connection.disconnect! assert_raises(ActiveRecord::StatementInvalid) do @connection.execute "SELECT count(*) from products" end end end end