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Diffstat (limited to 'actionmailer/test/caching_test.rb')
-rw-r--r-- | actionmailer/test/caching_test.rb | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/actionmailer/test/caching_test.rb b/actionmailer/test/caching_test.rb new file mode 100644 index 0000000000..cff49c8894 --- /dev/null +++ b/actionmailer/test/caching_test.rb @@ -0,0 +1,273 @@ +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 expected_body, + @store.read("views/caching/#{template_digest("caching_mailer/fragment_cache")}") + end + + def test_fragment_caching_in_partials + email = @mailer.fragment_cache_in_partials + expected_body = "Old fragment caching in a partial" + assert_match(expected_body, email.body.encoded) + + assert_match(expected_body, + @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 + + def test_fragment_caching_options + time = Time.now + email = @mailer.fragment_caching_options + expected_body = "No Digest" + + assert_match expected_body, email.body.encoded + Time.stub(:now, time + 11) do + assert_nil @store.read("views/no_digest") + end + end + + def test_multipart_fragment_caching + email = @mailer.multipart_cache + + expected_text_body = "\"Welcome text\"" + expected_html_body = "\"Welcome html\"" + encoded_body = email.body.encoded + assert_match expected_text_body, encoded_body + assert_match expected_html_body, encoded_body + assert_match expected_text_body, + @store.read("views/text_caching") + assert_match expected_html_body, + @store.read("views/html_caching") + end + + def test_fragment_cache_instrumentation + @mailer.enable_fragment_cache_logging = true + payload = nil + + subscriber = proc do |*args| + event = ActiveSupport::Notifications::Event.new(*args) + payload = event.payload + end + + ActiveSupport::Notifications.subscribed(subscriber, "read_fragment.action_mailer") do + @mailer.fragment_cache + end + + assert_equal "caching_mailer", payload[:mailer] + assert_equal "views/caching/#{template_digest("caching_mailer/fragment_cache")}", payload[:key] + ensure + @mailer.enable_fragment_cache_logging = true + 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 |