* Updated gemfile

* Added forum post/topic unit tests
* Added forum post/topic controller tests

app/controllers/forum_topics_controller.rb

@@ -1,42 +1,53 @@
 class ForumTopicsController < ApplicationController
+  respond_to :html, :xml, :json
+  before_filter :member_only, :except => [:index, :show]
+  rescue_from User::PrivilegeError, :with => "static/access_denied"
+
   def new
     @forum_topic = ForumTopic.new
+    respond_with(@forum_topic)
   end
   
   def edit
     @forum_topic = ForumTopic.find(params[:id])
+    check_privilege(@forum_topic)
+    respond_with(@forum_topic)
   end
   
   def index
     @search = ForumTopic.search(params[:search])
     @forum_topics = @search.paginate(:page => params[:page], :order => "updated_at DESC")
+    respond_with(@forum_topics)
   end
   
   def show
     @forum_topic = ForumTopic.find(params[:id])
+    respond_with(@forum_topic)
   end
   
   def create
-    @forum_topic = ForumTopic.new(params[:forum_topic])
-    if @forum_topic.save
-      redirect_to forum_topic_path(@forum_topic)
-    else
-      render :action => "new"
-    end
+    @forum_topic = ForumTopic.create(params[:forum_topic])
+    respond_with(@forum_topic)
   end
   
   def update
     @forum_topic = ForumTopic.find(params[:id])
-    if @forum_topic.update_attributes(params[:forum_topic])
-      redirect_to forum_topic_path(@forum_topic)
-    else
-      render :action => "edit"
-    end
+    check_privilege(@forum_topic)
+    @forum_topic.update_attributes(params[:forum_topic])
+    respond_with(@forum_topic)
   end
   
   def destroy
     @forum_topic = ForumTopic.find(params[:id])
+    check_privilege(@forum_topic)
     @forum_topic.destroy
-    redirect_to forum_topics_path
-  end  
+    respond_with(@forum_topic)
+  end
+  
+  private
+    def check_privilege(forum_topic)
+      if !forum_topic.editable_by?(CurrentUser.user)
+        raise User::PrivilegeError
+      end
+    end
 end