From b4558c10fb8f5379ffe23860c9ad1ee7a227de44 Mon Sep 17 00:00:00 2001 From: Kasper Timm Hansen Date: Mon, 15 Feb 2016 22:47:44 +0100 Subject: Make collection caching explicit. Having collection caching that wraps templates and automatically tries to infer if they are cachable proved to be too much of a hassle. We'd rather have it be something you explicitly turn on. This removes much of the code and docs to explain the previous automatic behavior. This change also removes scoped cache keys and passing cache_options. --- actionview/test/template/render_test.rb | 55 ++++++++++++++++--------------- actionview/test/template/template_test.rb | 32 ------------------ 2 files changed, 29 insertions(+), 58 deletions(-) (limited to 'actionview/test/template') diff --git a/actionview/test/template/render_test.rb b/actionview/test/template/render_test.rb index bf811abdd0..3561114d90 100644 --- a/actionview/test/template/render_test.rb +++ b/actionview/test/template/render_test.rb @@ -628,56 +628,59 @@ class LazyViewRenderTest < ActiveSupport::TestCase end end -class CachedCollectionViewRenderTest < CachedViewRenderTest +class CachedCollectionViewRenderTest < ActiveSupport::TestCase class CachedCustomer < Customer; end - teardown do - ActionView::PartialRenderer.collection_cache.clear - end + include RenderTestCases - test "with custom key" do - customer = Customer.new("david") - key = cache_key([customer, 'key'], "test/_customer") + # Ensure view path cache is primed + setup do + view_paths = ActionController::Base.view_paths + assert_equal ActionView::OptimizedFileSystemResolver, view_paths.first.class - ActionView::PartialRenderer.collection_cache.write(key, 'Hello') + ActionView::PartialRenderer.collection_cache = ActiveSupport::Cache::MemoryStore.new - assert_equal "Hello", - @view.render(partial: "test/customer", collection: [customer], cache: ->(item) { [item, 'key'] }) + setup_view(view_paths) end - test "with caching with custom key and rendering with different key" do - customer = Customer.new("david") - key = cache_key([customer, 'key'], "test/_customer") + teardown do + GC.start + I18n.reload! + end - ActionView::PartialRenderer.collection_cache.write(key, 'Hello') + test "collection caching does not cache by default" do + customer = Customer.new("david", 1) + key = cache_key(customer, "test/_customer") - assert_equal "Hello: david", - @view.render(partial: "test/customer", collection: [customer], cache: ->(item) { [item, 'another_key'] }) + ActionView::PartialRenderer.collection_cache.write(key, 'Cached') + + assert_not_equal "Cached", + @view.render(partial: "test/customer", collection: [customer]) end - test "automatic caching with inferred cache name" do - customer = CachedCustomer.new("david") - key = cache_key(customer, "test/_cached_customer") + test "collection caching with partial that doesn't use fragment caching" do + customer = Customer.new("david", 1) + key = cache_key(customer, "test/_customer") ActionView::PartialRenderer.collection_cache.write(key, 'Cached') assert_equal "Cached", - @view.render(partial: "test/cached_customer", collection: [customer]) + @view.render(partial: "test/customer", collection: [customer], cached: true) end - test "automatic caching with as name" do - customer = CachedCustomer.new("david") - key = cache_key(customer, "test/_cached_customer_as") + test "collection caching with cached true" do + customer = CachedCustomer.new("david", 1) + key = cache_key(customer, "test/_cached_customer") ActionView::PartialRenderer.collection_cache.write(key, 'Cached') assert_equal "Cached", - @view.render(partial: "test/cached_customer_as", collection: [customer], as: :buyer) + @view.render(partial: "test/cached_customer", collection: [customer], cached: true) end private - def cache_key(names, virtual_path) + def cache_key(*names, virtual_path) digest = ActionView::Digestor.digest name: virtual_path, finder: @view.lookup_context, dependencies: [] - @view.fragment_cache_key([ *Array(names), digest ]) + @view.fragment_cache_key([ *names, digest ]) end end diff --git a/actionview/test/template/template_test.rb b/actionview/test/template/template_test.rb index 921011b073..533c1c3219 100644 --- a/actionview/test/template/template_test.rb +++ b/actionview/test/template/template_test.rb @@ -192,38 +192,6 @@ class TestERBTemplate < ActiveSupport::TestCase assert_match(/\xFC/, e.message) end - def test_not_eligible_for_collection_caching_without_cache_call - [ - "<%= 'Hello' %>", - "<% cache_customer = 42 %>", - "<% cache customer.name do %><% end %>", - "<% my_cache customer do %><% end %>" - ].each do |body| - template = new_template(body, virtual_path: "test/foo/_customer") - assert_not template.eligible_for_collection_caching?, "Template #{body.inspect} should not be eligible for collection caching" - end - end - - def test_eligible_for_collection_caching_with_cache_call_or_explicit - [ - "<% cache customer do %><% end %>", - "<% cache(customer) do %><% end %>", - "<% cache( customer) do %><% end %>", - "<% cache( customer ) do %><% end %>", - "<%cache customer do %><% end %>", - "<% cache customer do %><% end %>", - " <% cache customer do %>\n<% end %>\n", - "<%# comment %><% cache customer do %><% end %>", - "<%# comment %>\n<% cache customer do %><% end %>", - "<%# comment\n line 2\n line 3 %>\n<% cache customer do %><% end %>", - "<%# comment 1 %>\n<%# comment 2 %>\n<% cache customer do %><% end %>", - "<%# comment 1 %>\n<%# Template Collection: customer %>\n<% my_cache customer do %><% end %>" - ].each do |body| - template = new_template(body, virtual_path: "test/foo/_customer") - assert template.eligible_for_collection_caching?, "Template #{body.inspect} should be eligible for collection caching" - end - end - def with_external_encoding(encoding) old = Encoding.default_external Encoding::Converter.new old, encoding if old != encoding -- cgit v1.2.3 From b4700de1ce21599b500d43d8138184ee7ae81407 Mon Sep 17 00:00:00 2001 From: Kasper Timm Hansen Date: Thu, 18 Feb 2016 21:55:42 +0100 Subject: Instrument cached collection renders. Augments the collection caching with some instrumentation that's logged. For collections that have been cached like: ```ruby <%= render partial: 'notifications/notification', collection: @notifications, cached: true %> ``` We'll output a line showing how many cache hits we had when rendering it: ``` Rendered collection of notifications/_notification.html.erb [0 / 100 cache hits] (3396.5ms) ``` --- actionview/test/template/log_subscriber_test.rb | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) (limited to 'actionview/test/template') diff --git a/actionview/test/template/log_subscriber_test.rb b/actionview/test/template/log_subscriber_test.rb index 4776c18b0b..93a0701dcc 100644 --- a/actionview/test/template/log_subscriber_test.rb +++ b/actionview/test/template/log_subscriber_test.rb @@ -86,7 +86,7 @@ class AVLogSubscriberTest < ActiveSupport::TestCase wait assert_equal 1, @logger.logged(:info).size - assert_match(/Rendered test\/_customer.erb/, @logger.logged(:info).last) + assert_match(/Rendered collection of test\/_customer.erb \[2 times\]/, @logger.logged(:info).last) end end @@ -96,7 +96,7 @@ class AVLogSubscriberTest < ActiveSupport::TestCase wait assert_equal 1, @logger.logged(:info).size - assert_match(/Rendered customers\/_customer\.html\.erb/, @logger.logged(:info).last) + assert_match(/Rendered collection of customers\/_customer\.html\.erb \[2 times\]/, @logger.logged(:info).last) end end @@ -106,7 +106,21 @@ class AVLogSubscriberTest < ActiveSupport::TestCase wait assert_equal 1, @logger.logged(:info).size - assert_match(/Rendered collection/, @logger.logged(:info).last) + assert_match(/Rendered collection of templates/, @logger.logged(:info).last) + end + end + + def test_render_collection_with_cached_set + Rails.stub(:root, File.expand_path(FIXTURE_LOAD_PATH)) do + def @view.view_cache_dependencies; []; end + def @view.fragment_cache_key(*); 'ahoy `controller` dependency'; end + + @view.render(partial: 'customers/customer', collection: [ Customer.new('david'), Customer.new('mary') ], cached: true, + locals: { greeting: 'hi' }) + wait + + assert_equal 1, @logger.logged(:info).size + assert_match(/Rendered collection of customers\/_customer\.html\.erb \[0 \/ 2 cache hits\]/, @logger.logged(:info).last) end end end -- cgit v1.2.3 From 1a715896ae1732f2c421d436b65cfefe00900eb4 Mon Sep 17 00:00:00 2001 From: Aaron Patterson Date: Tue, 23 Feb 2016 11:55:18 -0800 Subject: clear digest cache between tests otherwise we don't get the log messages we're looking for and the tests fail intermittently. --- actionview/test/template/digestor_test.rb | 1 + 1 file changed, 1 insertion(+) (limited to 'actionview/test/template') diff --git a/actionview/test/template/digestor_test.rb b/actionview/test/template/digestor_test.rb index 9ff5f7126b..a9a6de250c 100644 --- a/actionview/test/template/digestor_test.rb +++ b/actionview/test/template/digestor_test.rb @@ -26,6 +26,7 @@ class TemplateDigestorTest < ActionView::TestCase @cwd = Dir.pwd @tmp_dir = Dir.mktmpdir + ActionView::LookupContext::DetailsKey.clear FileUtils.cp_r FixtureFinder::FIXTURES_DIR, @tmp_dir Dir.chdir @tmp_dir end -- cgit v1.2.3