require "cases/helper" require "models/developer" require "active_support/log_subscriber/test_helper" class LogSubscriberTest < ActiveRecord::TestCase include ActiveSupport::LogSubscriber::TestHelper include ActiveSupport::BufferedLogger::Severity def setup @old_logger = ActiveRecord::Base.logger @using_identity_map = ActiveRecord::IdentityMap.enabled? ActiveRecord::IdentityMap.enabled = false super ActiveRecord::LogSubscriber.attach_to(:active_record) end def teardown super ActiveRecord::LogSubscriber.log_subscribers.pop ActiveRecord::Base.logger = @old_logger ActiveRecord::IdentityMap.enabled = @using_identity_map end def set_logger(logger) ActiveRecord::Base.logger = logger end def test_schema_statements_are_ignored event = Struct.new(:duration, :payload) logger = Class.new(ActiveRecord::LogSubscriber) { attr_accessor :debugs def initialize @debugs = [] super end def debug message @debugs << message end }.new assert_equal 0, logger.debugs.length logger.sql(event.new(0, { :sql => 'hi mom!' })) assert_equal 1, logger.debugs.length logger.sql(event.new(0, { :sql => 'hi mom!', :name => 'foo' })) assert_equal 2, logger.debugs.length logger.sql(event.new(0, { :sql => 'hi mom!', :name => 'SCHEMA' })) assert_equal 2, logger.debugs.length end def test_basic_query_logging Developer.all wait assert_equal 1, @logger.logged(:debug).size assert_match(/Developer Load/, @logger.logged(:debug).last) assert_match(/SELECT .*?FROM .?developers.?/i, @logger.logged(:debug).last) end def test_cached_queries ActiveRecord::Base.cache do Developer.all Developer.all end wait assert_equal 2, @logger.logged(:debug).size assert_match(/CACHE/, @logger.logged(:debug).last) assert_match(/SELECT .*?FROM .?developers.?/i, @logger.logged(:debug).last) end def test_basic_query_doesnt_log_when_level_is_not_debug @logger.level = INFO Developer.all wait assert_equal 0, @logger.logged(:debug).size end def test_cached_queries_doesnt_log_when_level_is_not_debug @logger.level = INFO ActiveRecord::Base.cache do Developer.all Developer.all end wait assert_equal 0, @logger.logged(:debug).size end def test_initializes_runtime Thread.new { assert_equal 0, ActiveRecord::LogSubscriber.runtime }.join end end