Fixed that git diff displays deleted files as /dev/null (#11868).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10424 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/repositories_git_controller_test.rb

@@ -384,6 +384,16 @@ class RepositoriesGitControllerTest < ActionController::TestCase
       end
     end
 
+    def test_diff_should_show_filenames
+      get :diff, :id => PRJ_ID, :rev => 'deff712f05a90d96edbd70facc47d944be5897e3', :type => 'inline'
+      assert_response :success
+      assert_template 'diff'
+      # modified file
+      assert_select 'th.filename', :text => 'sources/watchers_controller.rb'
+      # deleted file
+      assert_select 'th.filename', :text => 'test.txt'
+    end
+
     def test_save_diff_type
       @request.session[:user_id] = 1 # admin
       user = User.find(1)