render with cache options are passed on to cache.write

lib/render_caching/controller_additions.rb

@@ -2,15 +2,15 @@ module RenderCaching
   module ControllerAdditions
     private
 
-    def render_with_cache(key = nil)
+    def render_with_cache(key = nil, options = nil)
       key ||= request.request_uri
       body = Rails.cache.read(key)
       if body
         render :text => body
       else
         yield if block_given?
         render unless performed?
-        Rails.cache.write(key, response.body)
+        Rails.cache.write(key, response.body, options)
       end
     end
   end

spec/render_caching/controller_additions_spec.rb

@@ -74,4 +74,9 @@ def self.cache
     Rails.cache.write('some_key', 'page content')
     render_with_cache('some_key') { violated('block was executed') }
   end
+
+  it "should pass options to cache write call" do
+    Rails.cache.expects(:write).with('some_key', @response.body, :expires_in => 5)
+    render_with_cache('some_key', :expires_in => 5)
+  end
 end