# frozen_string_literal: true module RuboCop module Cop module Database class EstablishConnection < RuboCop::Cop::Base MSG = "Don't establish new database connections, as this slows down " \ 'tests and may result in new connections using an incorrect configuration' def_node_matcher :establish_connection?, <<~PATTERN (send (const ...) :establish_connection ...) PATTERN def on_send(node) add_offense(node) if establish_connection?(node) end end end end end