diff options
Diffstat (limited to 'actionview')
6 files changed, 25 insertions, 17 deletions
diff --git a/actionview/lib/action_view/helpers/cache_helper.rb b/actionview/lib/action_view/helpers/cache_helper.rb index 15ab7e304f..c3aecadcd6 100644 --- a/actionview/lib/action_view/helpers/cache_helper.rb +++ b/actionview/lib/action_view/helpers/cache_helper.rb @@ -8,10 +8,9 @@ module ActionView # fragments, and so on. This method takes a block that contains # the content you wish to cache. # - # The best way to use this is by doing key-based cache expiration - # on top of a cache store like Memcached that'll automatically - # kick out old entries. For more on key-based expiration, see: - # http://signalvnoise.com/posts/3113-how-key-based-cache-expiration-works + # The best way to use this is by doing recyclable key-based cache expiration + # on top of a cache store like Memcached or Redis that'll automatically + # kick out old entries. # # When using this method, you list the cache dependency as the name of the cache, like so: # @@ -23,10 +22,14 @@ module ActionView # This approach will assume that when a new topic is added, you'll touch # the project. The cache key generated from this call will be something like: # - # views/projects/123-20120806214154/7a1156131a6928cb0026877f8b749ac9 - # ^class ^id ^updated_at ^template tree digest + # views/template/action.html.erb:7a1156131a6928cb0026877f8b749ac9/projects/123 + # ^template path ^template tree digest ^class ^id # - # The cache is thus automatically bumped whenever the project updated_at is touched. + # This cache key is stable, but it's combined with a cache version derived from the project + # record. When the project updated_at is touched, the #cache_version changes, even + # if the key stays stable. This means that unlike a traditional key-based cache expiration + # approach, you won't be generating cache trash, unused keys, simply because the dependent + # record is updated. # # If your template cache depends on multiple sources (try to avoid this to keep things simple), # you can name all these dependencies as part of an array: @@ -217,10 +220,15 @@ module ActionView def fragment_name_with_digest(name, virtual_path) virtual_path ||= @virtual_path + if virtual_path name = controller.url_for(name).split("://").last if name.is_a?(Hash) - digest = Digestor.digest name: virtual_path, finder: lookup_context, dependencies: view_cache_dependencies - [ name, digest ] + + if digest = Digestor.digest(name: virtual_path, finder: lookup_context, dependencies: view_cache_dependencies).presence + [ "#{virtual_path}:#{digest}", name ] + else + [ virtual_path, name ] + end else name end diff --git a/actionview/lib/action_view/renderer/partial_renderer/collection_caching.rb b/actionview/lib/action_view/renderer/partial_renderer/collection_caching.rb index 1fbe209200..847256ac78 100644 --- a/actionview/lib/action_view/renderer/partial_renderer/collection_caching.rb +++ b/actionview/lib/action_view/renderer/partial_renderer/collection_caching.rb @@ -38,7 +38,7 @@ module ActionView end def expanded_cache_key(key) - key = @view.fragment_cache_key(@view.cache_fragment_name(key, virtual_path: @template.virtual_path)) + key = @view.combined_fragment_cache_key(@view.cache_fragment_name(key, virtual_path: @template.virtual_path)) key.frozen? ? key.dup : key # #read_multi & #write may require mutability, Dalli 2.6.0. end diff --git a/actionview/test/activerecord/relation_cache_test.rb b/actionview/test/activerecord/relation_cache_test.rb index 43f7242ee9..fbab512c41 100644 --- a/actionview/test/activerecord/relation_cache_test.rb +++ b/actionview/test/activerecord/relation_cache_test.rb @@ -10,7 +10,7 @@ class RelationCacheTest < ActionView::TestCase def test_cache_relation_other cache(Project.all) { concat("Hello World") } - assert_equal "Hello World", controller.cache_store.read("views/projects-#{Project.count}/") + assert_equal "Hello World", controller.cache_store.read("views/path/projects-#{Project.count}") end def view_cache_dependencies; end diff --git a/actionview/test/template/log_subscriber_test.rb b/actionview/test/template/log_subscriber_test.rb index 7f358add7e..584666d54b 100644 --- a/actionview/test/template/log_subscriber_test.rb +++ b/actionview/test/template/log_subscriber_test.rb @@ -39,7 +39,7 @@ class AVLogSubscriberTest < ActiveSupport::TestCase def set_view_cache_dependencies def @view.view_cache_dependencies; []; end - def @view.fragment_cache_key(*); "ahoy `controller` dependency"; end + def @view.combined_fragment_cache_key(*); "ahoy `controller` dependency"; end end def test_render_file_template diff --git a/actionview/test/template/render_test.rb b/actionview/test/template/render_test.rb index 3f66ab3ed3..fef78807d1 100644 --- a/actionview/test/template/render_test.rb +++ b/actionview/test/template/render_test.rb @@ -10,8 +10,8 @@ module RenderTestCases @view = Class.new(ActionView::Base) do def view_cache_dependencies; end - def fragment_cache_key(key) - ActiveSupport::Cache.expand_cache_key(key, :views) + def combined_fragment_cache_key(key) + [ :views, key ] end end.new(paths, @assigns) @@ -718,6 +718,6 @@ class CachedCollectionViewRenderTest < ActiveSupport::TestCase private def cache_key(*names, virtual_path) digest = ActionView::Digestor.digest name: virtual_path, finder: @view.lookup_context, dependencies: [] - @view.fragment_cache_key([ *names, digest ]) + @view.combined_fragment_cache_key([ "#{virtual_path}:#{digest}", *names ]) end end diff --git a/actionview/test/template/url_helper_test.rb b/actionview/test/template/url_helper_test.rb index 6adfa95dd1..58d903b1c8 100644 --- a/actionview/test/template/url_helper_test.rb +++ b/actionview/test/template/url_helper_test.rb @@ -615,8 +615,8 @@ class UrlHelperTest < ActiveSupport::TestCase def test_mail_to_with_special_characters assert_dom_equal( - %{<a href="mailto:%23%21%24%25%26%27%2A%2B-%2F%3D%3F%5E_%60%7B%7D%7C%7E@example.org">#!$%&'*+-/=?^_`{}|~@example.org</a>}, - mail_to("#!$%&'*+-/=?^_`{}|~@example.org") + %{<a href="mailto:%23%21%24%25%26%27%2A%2B-%2F%3D%3F%5E_%60%7B%7D%7C@example.org">#!$%&'*+-/=?^_`{}|@example.org</a>}, + mail_to("#!$%&'*+-/=?^_`{}|@example.org") ) end |