* Updated gemfile

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

app/models/forum_post.rb

@@ -2,11 +2,22 @@ class ForumPost < ActiveRecord::Base
   attr_accessible :body, :topic_id
   belongs_to :creator, :class_name => "User"
   belongs_to :topic, :class_name => "ForumTopic"
+  before_validation :initialize_creator, :on => :create
+  before_validation :initialize_updater
   after_save :update_topic_updated_at
-  validates_presence_of :body, :topic_id, :creator_id
-  scope :search_body, lambda {|body| where(["text_index @@ plainto_tsquery(?)", body])}
+  validates_presence_of :body, :creator_id
+  scope :body_matches, lambda {|body| where(["text_index @@ plainto_tsquery(?)", body])}
+  search_methods :body_matches
   
   def update_topic_updated_at
-    topic.touch
+    topic.update_attributes(:updater_id => CurrentUser.id)
+  end
+  
+  def initialize_creator
+    self.creator_id = CurrentUser.id
+  end
+  
+  def initialize_updater
+    self.updater_id = CurrentUser.id
   end
 end

app/models/forum_topic.rb

@@ -1,8 +1,25 @@
 class ForumTopic < ActiveRecord::Base
-  attr_accessible :title
+  attr_accessible :title, :original_post_attributes
   belongs_to :creator, :class_name => "User"
-  has_many :posts, :class_name => "ForumPost", :order => "forum_posts.id asc"
+  belongs_to :updater, :class_name => "User"
+  has_many :posts, :class_name => "ForumPost", :order => "forum_posts.id asc", :foreign_key => "topic_id"
+  has_one :original_post, :class_name => "ForumPost", :order => "forum_posts.id asc", :foreign_key => "topic_id"
+  before_validation :initialize_creator, :on => :create
+  before_validation :initialize_updater
   validates_presence_of :title, :creator_id
-  scope :search_title, lambda {|title| where(["text_index @@ plainto_tsquery(?)", title])}
-  accepts_nested_attributes_for :posts
+  scope :title_matches, lambda {|title| where(["text_index @@ plainto_tsquery(?)", title])}
+  search_methods :title_matches
+  accepts_nested_attributes_for :original_post
+    
+  def editable_by?(user)
+    creator_id == user.id || user.is_moderator?
+  end
+
+  def initialize_creator
+    self.creator_id = CurrentUser.id
+  end
+  
+  def initialize_updater
+    self.updater_id = CurrentUser.id
+  end
 end