Keep track of issue description changes (#746).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4954 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/journals_controller_test.rb

@@ -1,5 +1,5 @@
-# redMine - project management software
-# Copyright (C) 2006-2008  Jean-Philippe Lang
+# Redmine - project management software
+# Copyright (C) 2006-2011  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -38,6 +38,19 @@ class JournalsControllerTest < ActionController::TestCase
     assert_equal 'application/atom+xml', @response.content_type
   end
   
+  def test_diff
+    get :diff, :id => 3, :detail_id => 4
+    assert_response :success
+    assert_template 'diff'
+    
+    assert_tag 'span',
+      :attributes => {:class => 'diff_out'},
+      :content => /removed/
+    assert_tag 'span',
+      :attributes => {:class => 'diff_in'},
+      :content => /added/
+  end
+  
   def test_reply_to_issue
     @request.session[:user_id] = 2
     get :new, :id => 6