* Updated gemfile

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

test/unit/forum_post_test.rb

@@ -2,12 +2,47 @@ require_relative '../test_helper'
 
 class ForumPostTest < ActiveSupport::TestCase
   context "A forum post" do
+    setup do
+      @user = Factory.create(:user)
+      CurrentUser.user = @user
+      CurrentUser.ip_addr = "127.0.0.1"
+      @topic = Factory.create(:forum_topic)
+    end
+    
+    teardown do
+      CurrentUser.user = nil
+      CurrentUser.ip_addr = nil
+    end
+    
     should "update its parent when saved" do
-      topic = Factory.create(:forum_topic)
-      sleep 2
-      post = Factory.create(:forum_post, :topic_id => topic.id)
-      topic.reload
-      assert(topic.updated_at > 1.second.ago)
+      sleep 1
+      post = Factory.create(:forum_post, :topic_id => @topic.id)
+      @topic.reload
+      assert(@topic.updated_at > 1.second.ago)
+    end
+    
+    should "be searchable by body content" do
+      post = Factory.create(:forum_post, :topic_id => @topic.id, :body => "xxx")
+      assert_equal(1, ForumPost.body_matches("xxx").count)
+      assert_equal(0, ForumPost.body_matches("aaa").count)
+    end
+    
+    should "initialize its creator" do
+      post = Factory.create(:forum_post, :topic_id => @topic.id)
+      assert_equal(@user.id, post.creator_id)
+    end
+    
+    context "updated by a second user" do
+      setup do
+        @post = Factory.create(:forum_post, :topic_id => @topic.id)
+        @second_user = Factory.create(:user)
+        CurrentUser.user = @second_user
+      end
+      
+      should "record its updater" do
+        @post.update_attributes(:body => "abc")
+        assert_equal(@second_user.id, @post.updater_id)
+      end
     end
   end
 end