From c8915ec335887e07a967f2688d30c800b80ee256 Mon Sep 17 00:00:00 2001 From: Vipul A M Date: Tue, 16 Feb 2016 23:26:33 +0530 Subject: Added log "Rendering ...", when starting to render a template, to log that we have started to render something, at the very beginning. This helps to easily identify queries from controller vs views Fixes #23710 --- actionview/lib/action_view/log_subscriber.rb | 9 +++++++++ actionview/lib/action_view/renderer/template_renderer.rb | 1 + actionview/test/template/log_subscriber_test.rb | 9 ++++++--- 3 files changed, 16 insertions(+), 3 deletions(-) (limited to 'actionview') diff --git a/actionview/lib/action_view/log_subscriber.rb b/actionview/lib/action_view/log_subscriber.rb index aa38db2a3a..2d59033cb3 100644 --- a/actionview/lib/action_view/log_subscriber.rb +++ b/actionview/lib/action_view/log_subscriber.rb @@ -30,6 +30,15 @@ module ActionView end end + + def start_rendering(event) + info do + message = "Rendering #{from_rails_root(event.payload[:identifier])}" + message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout] + message + end + end + def logger ActionView::Base.logger end diff --git a/actionview/lib/action_view/renderer/template_renderer.rb b/actionview/lib/action_view/renderer/template_renderer.rb index 9d15bbfca7..fd550d95e1 100644 --- a/actionview/lib/action_view/renderer/template_renderer.rb +++ b/actionview/lib/action_view/renderer/template_renderer.rb @@ -50,6 +50,7 @@ module ActionView view, locals = @view, locals || {} render_with_layout(layout_name, locals) do |layout| + ActiveSupport::Notifications.instrument("start_rendering.action_view", identifier: template.identifier, layout: layout.try(:virtual_path)) instrument(:template, :identifier => template.identifier, :layout => layout.try(:virtual_path)) do template.render(view, locals) { |*name| view._layout_for(*name) } end diff --git a/actionview/test/template/log_subscriber_test.rb b/actionview/test/template/log_subscriber_test.rb index 93a0701dcc..7683444bf0 100644 --- a/actionview/test/template/log_subscriber_test.rb +++ b/actionview/test/template/log_subscriber_test.rb @@ -35,7 +35,8 @@ class AVLogSubscriberTest < ActiveSupport::TestCase @view.render(:file => "test/hello_world") wait - assert_equal 1, @logger.logged(:info).size + assert_equal 2, @logger.logged(:info).size + assert_match(/Rendering test\/hello_world\.erb/, @logger.logged(:info).first) assert_match(/Rendered test\/hello_world\.erb/, @logger.logged(:info).last) end end @@ -45,7 +46,8 @@ class AVLogSubscriberTest < ActiveSupport::TestCase @view.render(:text => "TEXT") wait - assert_equal 1, @logger.logged(:info).size + assert_equal 2, @logger.logged(:info).size + assert_match(/Rendering text template/, @logger.logged(:info).first) assert_match(/Rendered text template/, @logger.logged(:info).last) end end @@ -55,7 +57,8 @@ class AVLogSubscriberTest < ActiveSupport::TestCase @view.render(:inline => "<%= 'TEXT' %>") wait - assert_equal 1, @logger.logged(:info).size + assert_equal 2, @logger.logged(:info).size + assert_match(/Rendering inline template/, @logger.logged(:info).first) assert_match(/Rendered inline template/, @logger.logged(:info).last) end end -- cgit v1.2.3