* Updated gemfile

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

test/unit/forum_topic_test.rb

@@ -1,4 +1,46 @@
 require_relative '../test_helper'
 
 class ForumTopicTest < ActiveSupport::TestCase
+  context "A forum topic" do
+    setup do
+      @user = Factory.create(:user)
+      CurrentUser.user = @user
+      CurrentUser.ip_addr = "127.0.0.1"
+      @topic = Factory.create(:forum_topic, :title => "xxx")
+    end
+    
+    teardown do
+      CurrentUser.user = nil
+      CurrentUser.ip_addr = nil
+    end
+    
+    context "constructed with nested attributes for its original post" do
+      should "create a matching forum post" do
+        assert_difference(["ForumTopic.count", "ForumPost.count"], 1) do
+          @topic = Factory.create(:forum_topic, :title => "abc", :original_post_attributes => {:body => "abc"})
+       end 
+      end
+    end
+    
+    should "be searchable by title" do
+      assert_equal(1, ForumTopic.title_matches("xxx").count)
+      assert_equal(0, ForumTopic.title_matches("aaa").count)
+    end
+    
+    should "initialize its creator" do
+      assert_equal(@user.id, @topic.creator_id)
+    end
+    
+    context "updated by a second user" do
+      setup do
+        @second_user = Factory.create(:user)
+        CurrentUser.user = @second_user
+      end
+      
+      should "record its updater" do
+        @topic.update_attributes(:title => "abc")
+        assert_equal(@second_user.id, @topic.updater_id)
+      end
+    end
+  end
 end