diff options
Diffstat (limited to 'actionmailer')
10 files changed, 277 insertions, 1 deletions
diff --git a/actionmailer/CHANGELOG.md b/actionmailer/CHANGELOG.md index 1531f2b471..604e332dad 100644 --- a/actionmailer/CHANGELOG.md +++ b/actionmailer/CHANGELOG.md @@ -1,3 +1,11 @@ +## Rails 5.0.0.beta3 (February 24, 2016) ## + +* Add support to fragment cache in Action Mailer. + + Now you can use fragment caching in your mailers views. + + *Stan Lo* + * Reset `ActionMailer::Base.deliveries` after every test in `ActionDispatch::IntegrationTest`. diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb index 4259eb0bee..559cd06d91 100644 --- a/actionmailer/lib/action_mailer/base.rb +++ b/actionmailer/lib/action_mailer/base.rb @@ -430,6 +430,7 @@ module ActionMailer include AbstractController::Translation include AbstractController::AssetPaths include AbstractController::Callbacks + include AbstractController::Caching include ActionView::Layouts @@ -947,6 +948,18 @@ module ActionMailer container.add_part(part) end + # This and #instrument_name is for caching instrument + def instrument_payload(key) + { + mailer: mailer_name, + key: key + } + end + + def instrument_name + "action_mailer" + end + ActiveSupport.run_load_hooks(:action_mailer, self) end end diff --git a/actionmailer/lib/action_mailer/gem_version.rb b/actionmailer/lib/action_mailer/gem_version.rb index a1ee5fb238..cbe5fc3e64 100644 --- a/actionmailer/lib/action_mailer/gem_version.rb +++ b/actionmailer/lib/action_mailer/gem_version.rb @@ -8,7 +8,7 @@ module ActionMailer MAJOR = 5 MINOR = 0 TINY = 0 - PRE = "beta2" + PRE = "beta3" STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".") end diff --git a/actionmailer/lib/action_mailer/railtie.rb b/actionmailer/lib/action_mailer/railtie.rb index ae89492b0f..215d0199af 100644 --- a/actionmailer/lib/action_mailer/railtie.rb +++ b/actionmailer/lib/action_mailer/railtie.rb @@ -25,6 +25,7 @@ module ActionMailer options.javascripts_dir ||= paths["public/javascripts"].first options.stylesheets_dir ||= paths["public/stylesheets"].first options.show_previews = Rails.env.development? if options.show_previews.nil? + options.cache_store ||= Rails.cache if options.show_previews options.preview_path ||= defined?(Rails.root) ? "#{Rails.root}/test/mailers/previews" : nil diff --git a/actionmailer/test/caching_test.rb b/actionmailer/test/caching_test.rb new file mode 100644 index 0000000000..b4344eb167 --- /dev/null +++ b/actionmailer/test/caching_test.rb @@ -0,0 +1,229 @@ +require 'fileutils' +require 'abstract_unit' +require 'mailers/base_mailer' +require 'mailers/caching_mailer' + +CACHE_DIR = 'test_cache' +# Don't change '/../temp/' cavalierly or you might hose something you don't want hosed +FILE_STORE_PATH = File.join(File.dirname(__FILE__), '/../temp/', CACHE_DIR) + +class FragmentCachingMailer < ActionMailer::Base + abstract! + + def some_action; end +end + +class BaseCachingTest < ActiveSupport::TestCase + def setup + super + @store = ActiveSupport::Cache::MemoryStore.new + @mailer = FragmentCachingMailer.new + @mailer.perform_caching = true + @mailer.cache_store = @store + end + + def test_fragment_cache_key + assert_equal 'views/what a key', @mailer.fragment_cache_key('what a key') + end +end + +class FragmentCachingTest < BaseCachingTest + def test_read_fragment_with_caching_enabled + @store.write('views/name', 'value') + assert_equal 'value', @mailer.read_fragment('name') + end + + def test_read_fragment_with_caching_disabled + @mailer.perform_caching = false + @store.write('views/name', 'value') + assert_nil @mailer.read_fragment('name') + end + + def test_fragment_exist_with_caching_enabled + @store.write('views/name', 'value') + assert @mailer.fragment_exist?('name') + assert !@mailer.fragment_exist?('other_name') + end + + def test_fragment_exist_with_caching_disabled + @mailer.perform_caching = false + @store.write('views/name', 'value') + assert !@mailer.fragment_exist?('name') + assert !@mailer.fragment_exist?('other_name') + end + + def test_write_fragment_with_caching_enabled + assert_nil @store.read('views/name') + assert_equal 'value', @mailer.write_fragment('name', 'value') + assert_equal 'value', @store.read('views/name') + end + + def test_write_fragment_with_caching_disabled + assert_nil @store.read('views/name') + @mailer.perform_caching = false + assert_equal 'value', @mailer.write_fragment('name', 'value') + assert_nil @store.read('views/name') + end + + def test_expire_fragment_with_simple_key + @store.write('views/name', 'value') + @mailer.expire_fragment 'name' + assert_nil @store.read('views/name') + end + + def test_expire_fragment_with_regexp + @store.write('views/name', 'value') + @store.write('views/another_name', 'another_value') + @store.write('views/primalgrasp', 'will not expire ;-)') + + @mailer.expire_fragment(/name/) + + assert_nil @store.read('views/name') + assert_nil @store.read('views/another_name') + assert_equal 'will not expire ;-)', @store.read('views/primalgrasp') + end + + def test_fragment_for + @store.write('views/expensive', 'fragment content') + fragment_computed = false + + view_context = @mailer.view_context + + buffer = 'generated till now -> '.html_safe + buffer << view_context.send(:fragment_for, 'expensive') { fragment_computed = true } + + assert !fragment_computed + assert_equal 'generated till now -> fragment content', buffer + end + + def test_html_safety + assert_nil @store.read('views/name') + content = 'value'.html_safe + assert_equal content, @mailer.write_fragment('name', content) + + cached = @store.read('views/name') + assert_equal content, cached + assert_equal String, cached.class + + html_safe = @mailer.read_fragment('name') + assert_equal content, html_safe + assert html_safe.html_safe? + end +end + +class FunctionalFragmentCachingTest < BaseCachingTest + def setup + super + @store = ActiveSupport::Cache::MemoryStore.new + @mailer = CachingMailer.new + @mailer.perform_caching = true + @mailer.cache_store = @store + end + + def test_fragment_caching + email = @mailer.fragment_cache + expected_body = "\"Welcome\"" + + assert_match expected_body, email.body.encoded + assert_match "\"Welcome\"", + @store.read("views/caching/#{template_digest("caching_mailer/fragment_cache")}") + end + + def test_fragment_caching_in_partials + email = @mailer.fragment_cache_in_partials + assert_match(/Old fragment caching in a partial/, email.body.encoded) + + assert_match("Old fragment caching in a partial", + @store.read("views/caching/#{template_digest("caching_mailer/_partial")}")) + end + + def test_skip_fragment_cache_digesting + email = @mailer.skip_fragment_cache_digesting + expected_body = "No Digest" + + assert_match expected_body, email.body.encoded + assert_match expected_body, @store.read("views/no_digest") + end + + private + + def template_digest(name) + ActionView::Digestor.digest(name: name, finder: @mailer.lookup_context) + end +end + +class CacheHelperOutputBufferTest < BaseCachingTest + + class MockController + def read_fragment(name, options) + return false + end + + def write_fragment(name, fragment, options) + fragment + end + end + + def setup + super + end + + def test_output_buffer + output_buffer = ActionView::OutputBuffer.new + controller = MockController.new + cache_helper = Class.new do + def self.controller; end; + def self.output_buffer; end; + def self.output_buffer=; end; + end + cache_helper.extend(ActionView::Helpers::CacheHelper) + + cache_helper.stub :controller, controller do + cache_helper.stub :output_buffer, output_buffer do + assert_called_with cache_helper, :output_buffer=, [output_buffer.class.new(output_buffer)] do + assert_nothing_raised do + cache_helper.send :fragment_for, 'Test fragment name', 'Test fragment', &Proc.new{ nil } + end + end + end + end + end + + def test_safe_buffer + output_buffer = ActiveSupport::SafeBuffer.new + controller = MockController.new + cache_helper = Class.new do + def self.controller; end; + def self.output_buffer; end; + def self.output_buffer=; end; + end + cache_helper.extend(ActionView::Helpers::CacheHelper) + + cache_helper.stub :controller, controller do + cache_helper.stub :output_buffer, output_buffer do + assert_called_with cache_helper, :output_buffer=, [output_buffer.class.new(output_buffer)] do + assert_nothing_raised do + cache_helper.send :fragment_for, 'Test fragment name', 'Test fragment', &Proc.new{ nil } + end + end + end + end + end +end + +class ViewCacheDependencyTest < BaseCachingTest + class NoDependenciesMailer < ActionMailer::Base + end + class HasDependenciesMailer < ActionMailer::Base + view_cache_dependency { "trombone" } + view_cache_dependency { "flute" } + end + + def test_view_cache_dependencies_are_empty_by_default + assert NoDependenciesMailer.new.view_cache_dependencies.empty? + end + + def test_view_cache_dependencies_are_listed_in_declaration_order + assert_equal %w(trombone flute), HasDependenciesMailer.new.view_cache_dependencies + end +end diff --git a/actionmailer/test/fixtures/caching_mailer/_partial.html.erb b/actionmailer/test/fixtures/caching_mailer/_partial.html.erb new file mode 100644 index 0000000000..8e965f52b4 --- /dev/null +++ b/actionmailer/test/fixtures/caching_mailer/_partial.html.erb @@ -0,0 +1,3 @@ +<% cache :caching do %> + Old fragment caching in a partial +<% end %> diff --git a/actionmailer/test/fixtures/caching_mailer/fragment_cache.html.erb b/actionmailer/test/fixtures/caching_mailer/fragment_cache.html.erb new file mode 100644 index 0000000000..90189627da --- /dev/null +++ b/actionmailer/test/fixtures/caching_mailer/fragment_cache.html.erb @@ -0,0 +1,3 @@ +<% cache :caching do %> +"Welcome" +<% end %> diff --git a/actionmailer/test/fixtures/caching_mailer/fragment_cache_in_partials.html.erb b/actionmailer/test/fixtures/caching_mailer/fragment_cache_in_partials.html.erb new file mode 100644 index 0000000000..2957d083e8 --- /dev/null +++ b/actionmailer/test/fixtures/caching_mailer/fragment_cache_in_partials.html.erb @@ -0,0 +1 @@ +<%= render "partial" %> diff --git a/actionmailer/test/fixtures/caching_mailer/skip_fragment_cache_digesting.html.erb b/actionmailer/test/fixtures/caching_mailer/skip_fragment_cache_digesting.html.erb new file mode 100644 index 0000000000..0d52429a81 --- /dev/null +++ b/actionmailer/test/fixtures/caching_mailer/skip_fragment_cache_digesting.html.erb @@ -0,0 +1,3 @@ +<%= cache :no_digest, skip_digest: true do %> + No Digest +<% end %> diff --git a/actionmailer/test/mailers/caching_mailer.rb b/actionmailer/test/mailers/caching_mailer.rb new file mode 100644 index 0000000000..345d267a36 --- /dev/null +++ b/actionmailer/test/mailers/caching_mailer.rb @@ -0,0 +1,15 @@ +class CachingMailer < ActionMailer::Base + self.mailer_name = "caching_mailer" + + def fragment_cache + mail(subject: "welcome", template_name: "fragment_cache") + end + + def fragment_cache_in_partials + mail(subject: "welcome", template_name: "fragment_cache_in_partials") + end + + def skip_fragment_cache_digesting + mail(subject: "welcome", template_name: "skip_fragment_cache_digesting") + end +end |