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/fixtures/journal_details.yml

@@ -20,3 +20,10 @@ journal_details_003:
   value: "6"
   prop_key: fixed_version_id
   journal_id: 4
+journal_details_004:
+  old_value: "This word was removed and an other was"
+  property: attr
+  id: 4
+  value: "This word was and an other was added"
+  prop_key: description
+  journal_id: 3

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

test/unit/issue_test.rb

@@ -1,5 +1,5 @@
-# redMine - project management software
-# Copyright (C) 2006-2007  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
@@ -621,6 +621,27 @@ class IssueTest < ActiveSupport::TestCase
     assert ActionMailer::Base.deliveries.empty?
   end
   
+  def test_journalized_description
+    i = Issue.first
+    old_description = i.description
+    new_description = "This is the new description"
+    
+    i.init_journal(User.find(2))
+    i.description = new_description
+    assert_difference 'Journal.count', 1 do
+      assert_difference 'JournalDetail.count', 1 do
+        i.save!
+      end
+    end
+    
+    detail = JournalDetail.first(:order => 'id DESC')
+    assert_equal i, detail.journal.journalized
+    assert_equal 'attr', detail.property
+    assert_equal 'description', detail.prop_key
+    assert_equal old_description, detail.old_value
+    assert_equal new_description, detail.value
+  end
+  
   def test_saving_twice_should_not_duplicate_journal_details
     i = Issue.find(:first)
     i.init_journal(User.find(2), 'Some notes')