require "cases/helper" require 'models/developer' module ActiveRecord module ConnectionAdapters class Mysql2Adapter class ExplainTest < ActiveRecord::TestCase fixtures :developers def test_explain_for_one_query explain = Developer.where(:id => 1).explain assert_match %(developers | const), explain end def test_explain_with_eager_loading explain = Developer.where(:id => 1).includes(:audit_logs).explain assert_match %(developers | const), explain assert_match %(audit_logs | ALL), explain end end end end end