Checkout of Instiki Trunk 1/21/2007.

vendor/rails/actionpack/test/controller/caching_filestore.rb

@@ -0,0 +1,74 @@
+require 'fileutils'
+require File.dirname(__FILE__) + '/../abstract_unit'
+
+class TestLogDevice < Logger::LogDevice
+  attr :last_message, true
+  
+  def initialize
+    @last_message=String.new
+  end
+  
+  def write(message)
+    @last_message << message
+  end
+
+  def clear
+    @last_message = String.new
+  end
+end
+
+#setup our really sophisticated logger
+TestLog = TestLogDevice.new
+RAILS_DEFAULT_LOGGER = Logger.new(TestLog)
+ActionController::Base.logger = RAILS_DEFAULT_LOGGER
+
+def use_store
+  #generate a random key to ensure the cache is always in a different location
+  RANDOM_KEY = rand(99999999).to_s
+  FILE_STORE_PATH = File.dirname(__FILE__) + '/../temp/' + RANDOM_KEY
+  ActionController::Base.perform_caching = true
+  ActionController::Base.fragment_cache_store = :file_store, FILE_STORE_PATH
+end
+
+class TestController < ActionController::Base
+  caches_action :render_to_cache, :index
+ 
+  def render_to_cache
+    render_text "Render Cached"
+  end
+  alias :index :render_to_cache
+end
+
+class FileStoreTest < Test::Unit::TestCase
+  def setup
+    @request    = ActionController::TestRequest.new
+    @response   = ActionController::TestResponse.new
+    @controller = TestController.new
+    @request.host = "hostname.com"
+  end
+  
+  def teardown
+    FileUtils.rm_rf(FILE_STORE_PATH)
+  end
+
+  def test_render_cached
+    assert_fragment_cached { get :render_to_cache }
+    assert_fragment_hit { get :render_to_cache }
+  end
+
+
+  private
+    def assert_fragment_cached
+      yield
+      assert(TestLog.last_message.include?("Cached fragment:"), "--ERROR-- FileStore write failed ----")
+      assert(!TestLog.last_message.include?("Couldn't create cache directory:"), "--ERROR-- FileStore create directory failed ----")
+      TestLog.clear
+    end
+    
+    def assert_fragment_hit
+      yield
+      assert(TestLog.last_message.include?("Fragment read:"), "--ERROR-- Fragment not found in FileStore ----")
+      assert(!TestLog.last_message.include?("Cached fragment:"), "--ERROR-- Did cache ----")
+      TestLog.clear
+    end
+end