diff --git a/actionview/lib/action_view/digestor.rb b/actionview/lib/action_view/digestor.rb index df8059d04e9d73390f927791b99d7bbb3f4d14b2..4224346a2fbcc95faf1af439023e63f6a7463b0c 100644 --- a/actionview/lib/action_view/digestor.rb +++ b/actionview/lib/action_view/digestor.rb @@ -8,6 +8,13 @@ class Digestor @@cache = ThreadSafe::Cache.new @@digest_monitor = Monitor.new + class PerRequestDigestCacheExpiry < Struct.new(:app) # :nodoc: + def call(env) + ActionView::Digestor.cache.clear + app.call(env) + end + end + class << self # Supported options: # @@ -41,10 +48,7 @@ def compute_and_store_digest(cache_key, options) # called under @@digest_monitor Digestor end - digest = klass.new(options).digest - # Store the actual digest if config.cache_template_loading is true - @@cache[cache_key] = stored_digest = digest if ActionView::Resolver.caching? - digest + @@cache[cache_key] = stored_digest = klass.new(options).digest ensure # something went wrong or ActionView::Resolver.caching? is false, make sure not to corrupt the @@cache @@cache.delete_pair(cache_key, false) if pre_stored && !stored_digest diff --git a/actionview/lib/action_view/railtie.rb b/actionview/lib/action_view/railtie.rb index 5dc7950d6bb069c6fe67a668f10588984d662aee..e829d86c991c7200f93805d2cdfe54449f32a2ac 100644 --- a/actionview/lib/action_view/railtie.rb +++ b/actionview/lib/action_view/railtie.rb @@ -42,6 +42,14 @@ class Railtie < Rails::Railtie # :nodoc: end end + initializer "action_view.per_request_digest_cache" do |app| + ActiveSupport.on_load(:action_view) do + if app.config.consider_all_requests_local + app.middleware.use ActionView::Digestor::PerRequestDigestCacheExpiry + end + end + end + initializer "action_view.setup_action_pack" do |app| ActiveSupport.on_load(:action_controller) do ActionView::RoutingUrlFor.include(ActionDispatch::Routing::UrlFor) diff --git a/actionview/test/template/digestor_test.rb b/actionview/test/template/digestor_test.rb index f0afcdb5aefd5946d9d410f7228921a366681928..97e3c6e7b9824d8b65cdb747e72790687a4356b5 100644 --- a/actionview/test/template/digestor_test.rb +++ b/actionview/test/template/digestor_test.rb @@ -239,16 +239,6 @@ def test_dependencies_via_options_results_in_different_digest assert_not_equal digest_phone, digest_fridge_phone end - def test_cache_template_loading - resolver_before = ActionView::Resolver.caching - ActionView::Resolver.caching = false - assert_digest_difference("messages/edit", true) do - change_template("comments/_comment") - end - ensure - ActionView::Resolver.caching = resolver_before - end - def test_digest_cache_cleanup_with_recursion first_digest = digest("level/_recursion") second_digest = digest("level/_recursion") diff --git a/railties/test/application/per_request_digest_cache_test.rb b/railties/test/application/per_request_digest_cache_test.rb new file mode 100644 index 0000000000000000000000000000000000000000..3198e12662608cc21ee8bdfd44d47926868112a2 --- /dev/null +++ b/railties/test/application/per_request_digest_cache_test.rb @@ -0,0 +1,63 @@ +require 'isolation/abstract_unit' +require 'rack/test' +require 'minitest/mock' + +require 'action_view' +require 'active_support/testing/method_call_assertions' + +class PerRequestDigestCacheTest < ActiveSupport::TestCase + include ActiveSupport::Testing::Isolation + include ActiveSupport::Testing::MethodCallAssertions + include Rack::Test::Methods + + setup do + build_app + add_to_config 'config.consider_all_requests_local = true' + + app_file 'app/models/customer.rb', <<-RUBY + class Customer < Struct.new(:name, :id) + extend ActiveModel::Naming + include ActiveModel::Conversion + end + RUBY + + app_file 'config/routes.rb', <<-RUBY + Rails.application.routes.draw do + resources :customers, only: :index + end + RUBY + + app_file 'app/controllers/customers_controller.rb', <<-RUBY + class CustomersController < ApplicationController + def index + render [ Customer.new('david', 1), Customer.new('dingus', 2) ] + end + end + RUBY + + app_file 'app/views/customers/_customer.html.erb', <<-RUBY + <% cache customer do %> + <%= customer.name %> + <% end %> + RUBY + + require "#{app_path}/config/environment" + end + + teardown :teardown_app + + test "digests are reused when rendering the same template twice" do + get '/customers' + assert_equal 200, last_response.status + + assert_equal [ '8ba099b7749542fe765ff34a6824d548' ], ActionView::Digestor.cache.values + assert_equal %w(david dingus), last_response.body.split.map(&:strip) + end + + test "template digests are cleared before a request" do + assert_called(ActionView::Digestor.cache, :clear) do + get '/customers' + assert_equal 200, last_response.status + end + end +end