@@ -98,6 +98,17 @@ module ActionController #:nodoc: end end + # Check if a cached fragment from the location signified by <tt>key</tt> exists (see <tt>expire_fragment</tt> for acceptable formats) + def fragment_exist?(key, options = nil) + return unless cache_configured? + + key = fragment_cache_key(key) + + self.class.benchmark "Cached fragment exists?: #{key}" do + cache_store.exist?(key, options) + end + end + # Name can take one of three forms: # * String: This would normally take the form of a path like "pages/45/notes" # * Hash: Is treated as an implicit call to url_for, like { :controller => "pages", :action => "notes", :id => 45 } @@ -124,4 +135,4 @@ module ActionController #:nodoc: end end end -end \ No newline at end of file +end actionpack/lib/action_controller/caching/fragments.rb @@ -232,7 +232,7 @@ class ActionCacheTest < Test::Unit::TestCase get :index cached_time = content_to_cache assert_equal cached_time, @response.body - assert_cache_exists 'hostname.com/action_caching_test' + assert fragment_exist?('hostname.com/action_caching_test') reset! get :index @@ -243,7 +243,7 @@ class ActionCacheTest < Test::Unit::TestCase get :destroy cached_time = content_to_cache assert_equal cached_time, @response.body - assert_cache_does_not_exist 'hostname.com/action_caching_test/destroy' + assert !fragment_exist?('hostname.com/action_caching_test/destroy') reset! get :destroy @@ -254,7 +254,7 @@ class ActionCacheTest < Test::Unit::TestCase get :with_layout cached_time = content_to_cache assert_not_equal cached_time, @response.body - assert_cache_exists 'hostname.com/action_caching_test/with_layout' + assert fragment_exist?('hostname.com/action_caching_test/with_layout') reset! get :with_layout @@ -266,14 +266,14 @@ class ActionCacheTest < Test::Unit::TestCase def test_action_cache_conditional_options @request.env['HTTP_ACCEPT'] = 'application/json' get :index - assert_cache_does_not_exist 'hostname.com/action_caching_test' + assert !fragment_exist?('hostname.com/action_caching_test') end def test_action_cache_with_custom_cache_path get :show cached_time = content_to_cache assert_equal cached_time, @response.body - assert_cache_exists 'test.host/custom/show' + assert fragment_exist?('test.host/custom/show') reset! get :show @@ -282,11 +282,11 @@ class ActionCacheTest < Test::Unit::TestCase def test_action_cache_with_custom_cache_path_in_block get :edit - assert_cache_exists 'test.host/edit' + assert fragment_exist?('test.host/edit') reset! get :edit, :id => 1 - assert_cache_exists 'test.host/1;edit' + assert fragment_exist?('test.host/1;edit') end def test_cache_expiration @@ -395,18 +395,8 @@ class ActionCacheTest < Test::Unit::TestCase @request.host = 'hostname.com' end - def assert_cache_exists(path) - full_path = cache_path(path) - assert File.exist?(full_path), "#{full_path.inspect} does not exist." - end - - def assert_cache_does_not_exist(path) - full_path = cache_path(path) - assert !File.exist?(full_path), "#{full_path.inspect} should not exist." - end - - def cache_path(path) - File.join(FILE_STORE_PATH, 'views', path + '.cache') + def fragment_exist?(path) + @controller.fragment_exist?(path) end def read_fragment(path) @@ -450,6 +440,19 @@ class FragmentCachingTest < Test::Unit::TestCase assert_nil @controller.read_fragment('name') end + def test_fragment_exist__with_caching_enabled + @store.write('views/name', 'value') + assert @controller.fragment_exist?('name') + assert !@controller.fragment_exist?('other_name') + end + + def test_fragment_exist__with_caching_disabled + ActionController::Base.perform_caching = false + @store.write('views/name', 'value') + assert !@controller.fragment_exist?('name') + assert !@controller.fragment_exist?('other_name') + end + def test_write_fragment__with_caching_enabled assert_nil @store.read('views/name') assert_equal 'value', @controller.write_fragment('name', 'value') @@ -494,7 +497,6 @@ class FragmentCachingTest < Test::Unit::TestCase assert_equal 'generated till now -> ', buffer end - def test_fragment_for @store.write('views/expensive', 'fragment content') fragment_computed = false actionpack/test/controller/caching_test.rb @@ -87,8 +87,12 @@ module ActiveSupport def delete_matched(matcher, options = nil) log("delete matched", matcher.inspect, options) - end - + end + + def exist?(key, options = nil) + log("exist?", key, options) + end + def increment(key, amount = 1) log("incrementing", key, amount) if num = read(key) activesupport/lib/active_support/cache.rb @@ -40,13 +40,18 @@ module ActiveSupport end end + def exist?(name, options = nil) + super + File.exist?(real_file_path(name)) + end + private def real_file_path(name) '%s/%s.cache' % [@cache_path, name.gsub('?', '.').gsub(':', '.')] end def ensure_cache_path(path) - FileUtils.makedirs(path) unless File.exists?(path) + FileUtils.makedirs(path) unless File.exist?(path) end def search_dir(dir, &callback) activesupport/lib/active_support/cache/file_store.rb @@ -48,7 +48,13 @@ module ActiveSupport rescue MemCache::MemCacheError => e logger.error("MemCacheError (#{e}): #{e.message}") false - end + end + + def exist?(key, options = nil) + # Doesn't call super, cause exist? in memcache is in fact a read + # But who cares? Reading is very fast anyway + !read(key, options).nil? + end def increment(key, amount = 1) log("incrementing", key, amount) activesupport/lib/active_support/cache/mem_cache_store.rb @@ -24,7 +24,12 @@ module ActiveSupport super @data.delete_if { |k,v| k =~ matcher } end - + + def exist?(name,options = nil) + super + @data.has_key?(name) + end + def clear @data.clear end activesupport/lib/active_support/cache/memory_store.rb 17d1319c480e58e28641b243da50ae5e5eab89dc José Valim jose.valim@gmail.com http://github.com/rails/rails/commit/99860b72aebe0348f41e82d4710343498d89a84b 99860b72aebe0348f41e82d4710343498d89a84b 2008-05-19T02:38:59-07:00 2008-05-16T10:10:30-07:00 Add fragment_exist? and exist? methods to cache stores. [#203 state:resolved] Signed-off-by: Pratik Naik <pratiknaik@gmail.com> 56457862ab6ce523cfb7d6dacd9f38655ab8c715 Pratik Naik pratiknaik@gmail.com