diff --git a/after_init.rb b/after_init.rb
index 332fcca3..ae2a2468 100644
--- a/after_init.rb
+++ b/after_init.rb
@@ -40,8 +40,8 @@ def init
                        :dmsf_folders_copy => [:new, :copy, :move],
                        :dmsf_context_menus => [:dmsf]}
       pmap.permission :file_manipulation,
-                      {:dmsf_files => [:create_revision, :lock, :unlock, :delete_revision, :obsolete_revision, :notify_activate,
-                                       :notify_deactivate, :restore],
+                      {:dmsf_files => [:create_revision, :lock, :unlock, :delete_revision, :obsolete_revision,
+                                       :notify_activate, :notify_deactivate, :restore],
                        :dmsf_upload => [:upload_files, :upload_file, :upload, :commit_files, :commit,
                                         :delete_dmsf_attachment, :delete_dmsf_link_attachment],
                        :dmsf_links => [:new, :create, :destroy, :restore, :autocomplete_for_project,
diff --git a/app/controllers/dmsf_files_controller.rb b/app/controllers/dmsf_files_controller.rb
index 532ed6c5..f7327360 100644
--- a/app/controllers/dmsf_files_controller.rb
+++ b/app/controllers/dmsf_files_controller.rb
@@ -248,7 +248,6 @@ class DmsfFilesController < ApplicationController
     if @revision
       if @revision.obsolete()
         flash[:notice] = l(:notice_revision_obsoleted)
-        log_activity('obsoleted')
       else
         flash[:error] = @revision.errors.full_messages.join(', ')
       end
diff --git a/app/models/dmsf_file_revision.rb b/app/models/dmsf_file_revision.rb
index 6be846a7..76965097 100644
--- a/app/models/dmsf_file_revision.rb
+++ b/app/models/dmsf_file_revision.rb
@@ -114,7 +114,6 @@ class DmsfFileRevision < ActiveRecord::Base
       errors[:base] << l(:error_file_is_locked)
       return false
     end
-    
     self.workflow = DmsfWorkflow::STATE_OBSOLETE
     save
   end
diff --git a/app/views/dmsf/_list_view.erb b/app/views/dmsf/_list_view.erb
index e89f32e8..d2f781bd 100644
--- a/app/views/dmsf/_list_view.erb
+++ b/app/views/dmsf/_list_view.erb
@@ -119,7 +119,7 @@
   <% end %>
   <% classes = 'dmsf_gray hascontextmenu' %>
   <% @file_links.each do |link| %>
-    <% unless link.target_file.last_revision %>
+    <% unless link.target_file && link.target_file.last_revision %>
       <% Rails.logger.error "Error: dmsf_file id #{link.target_id} has no revision!" %>
       <% next %>
     <% end %>
diff --git a/app/views/dmsf_files/show.html.erb b/app/views/dmsf_files/show.html.erb
index 3b0dee12..d95f453e 100644
--- a/app/views/dmsf_files/show.html.erb
+++ b/app/views/dmsf_files/show.html.erb
@@ -25,7 +25,7 @@
 <% html_title(l(:dmsf)) %>
 
 <div class="contextual">
-  <% if User.current.allowed_to?(:file_manipulation, @project) %>
+  <% if @file_manipulation_allowed %>
     <% unless @file.locked_for_user? %>
       <% unless @file.locked? %>
         <%= link_to(l(:button_lock), lock_dmsf_files_path(:id => @file),
@@ -64,7 +64,7 @@
 <%= render(:partial => '/dmsf/path',
   :locals => {:folder => @file.dmsf_folder, :filename => @file.title, :title => nil}) %>
 
-<% if User.current.allowed_to?(:file_manipulation, @file.project) && !@file.locked_for_user? %>
+<% if @file_manipulation_allowed && !@file.locked_for_user? %>
   <%= error_messages_for('file') %>
   <%= error_messages_for('revision') %>
   <%= render(:partial => 'file_new_revision') %>
@@ -94,7 +94,7 @@
           <%= link_to image_tag('/../../plugin_assets/redmine_dmsf/images/obsolete.png'),
             obsolete_revision_path(revision),
             :data => {:confirm => l(:text_are_you_sure)},
-            :title => l(:title_obsolete_revision) if @file_delete_allowed && (revision.workflow == DmsfWorkflow::STATE_APPROVED) %>
+            :title => l(:title_obsolete_revision) if @file_manipulation_allowed && (revision.workflow == DmsfWorkflow::STATE_APPROVED) %>
         </div>
         <i><%= l(:info_revision, :rev => revision.id) %></i>
         <%= (revision.source_revision.nil? ? l(:label_created) : l(:label_changed)).downcase %>
@@ -174,7 +174,7 @@
         </div>
       </div>
       <div id="<%= "revision_access-#{revision.id}" %>" style="display:none">
-        <%= render(:partial => 'revision_access', :locals => {:revision => revision}) if User.current.allowed_to?(:file_manipulation, @file.project) %>
+        <%= render(:partial => 'revision_access', :locals => {:revision => revision}) if @file_manipulation_allowed %>
       </div>
     </div>
   </div>
diff --git a/config/locales/cs.yml b/config/locales/cs.yml
index 655f8210..ed45d8cf 100644
--- a/config/locales/cs.yml
+++ b/config/locales/cs.yml
@@ -48,6 +48,7 @@ cs:
   notice_file_deleted: Soubor byl smazán
   error_at_least_one_revision_must_be_present: Musí existovat alespoň jedna revize
   notice_revision_deleted: Revize byla smazána
+  notice_revision_obsoleted: Revize je zastaralá
   warning_one_of_files_locked: Jeden ze souborů je zamčen
   notice_file_revision_created: vytvořena nová revize
   notice_your_preferences_were_saved: Vaše nastavení bylo uloženo
@@ -115,6 +116,7 @@ cs:
   heading_revisions: Revize
   title_download: Stáhnout
   title_delete_revision: Smazat revizi
+  title_obsolete_revision: Označit revizi jako zastaralou
   label_created: Vytvořeno
   label_changed: Změněno
   info_changed_by_user: "%{changed} uživatelem"
@@ -269,6 +271,7 @@ cs:
   title_assigned: Přiřazený
   title_approval: Schválený
   title_rejected: Zamítnutý
+  title_obsolete: Zastaralá
   dmsf_and: A
   dmsf_or: NEBO
   dmsf_new_step: Nový krok
diff --git a/config/locales/de.yml b/config/locales/de.yml
index c04c298c..4ebd1101 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -48,6 +48,7 @@ de:
   notice_file_deleted: Datei gelöscht
   error_at_least_one_revision_must_be_present: Es muss mindestens eine Version existieren
   notice_revision_deleted: Version gelöscht
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Eine der Dateien ist gesperrt
   notice_file_revision_created: Dateiversion erstellt
   notice_your_preferences_were_saved: Deine Einstellungen wurden gespeichert
@@ -115,6 +116,7 @@ de:
   heading_revisions: Versionen
   title_download: Download
   title_delete_revision: Lösche Version
+  title_obsolete_revision: Obsolete revision
   label_created: Erstellt
   label_changed: Geändert
   info_changed_by_user: "%{changed} von"
@@ -269,6 +271,7 @@ de:
   title_assigned: Zugewiesen
   title_approval: Genehmigt
   title_rejected: Abgelehnt
+  title_obsolete: Obsolete
   dmsf_and: UND
   dmsf_or: ODER
   dmsf_new_step: Neuer Schritt
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 52b69613..9c52b6f1 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -166,7 +166,6 @@ en:
   permission_display_system_folders: Display system folders
   permission_file_approval: File approval
   permission_email_documents: Email documents
-
   label_file: File
   field_folder: Folder
   error_create_cycle_in_folder_dependency: create cycle in folder dependency
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 10087622..4cb39aa2 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -48,6 +48,7 @@ fr:
   notice_file_deleted: Le fichier a été supprimé
   error_at_least_one_revision_must_be_present: Au moins une révision est requise
   notice_revision_deleted: Révision supprimée
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Un des fichiers sélectionnés est verrouillé
   notice_file_revision_created: La révision du fichier a été ajoutée
   notice_your_preferences_were_saved: Vos paramètres ont été enregistrés
@@ -115,6 +116,7 @@ fr:
   heading_revisions: Révisions
   title_download: Télécharger
   title_delete_revision: Supprimer la révision
+  title_obsolete_revision: Obsolete revision
   label_created: Créé
   label_changed: Modifié
   info_changed_by_user: "%{changed} par"
@@ -269,6 +271,7 @@ fr:
   title_assigned: Assigné
   title_approval: Approbation
   title_rejected: Rejeté
+  title_obsolete: Obsolete
   dmsf_and: ET
   dmsf_or: OU
   dmsf_new_step: Nouvelle étape
diff --git a/config/locales/hu.yml b/config/locales/hu.yml
index e564b61e..a4cfa0dc 100644
--- a/config/locales/hu.yml
+++ b/config/locales/hu.yml
@@ -48,6 +48,7 @@ hu:
   notice_file_deleted: Törölt fájl
   error_at_least_one_revision_must_be_present: Legalább egy verziónak szükséges lennie
   notice_revision_deleted: Verzió törölve
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Az egyik fájl zárolva van
   notice_file_revision_created: Fájl verzió létrehozva
   notice_your_preferences_were_saved: A preferenciái mentése kerültek
@@ -115,6 +116,7 @@ hu:
   heading_revisions: Verziók
   title_download: Letöltés
   title_delete_revision: Verzió törlése
+  title_obsolete_revision: Obsolete revision
   label_created: Létrehozott
   label_changed: Változtatott
   info_changed_by_user: "%{changed} általa"
@@ -269,6 +271,7 @@ hu:
   title_assigned: Kiosztott
   title_approval: Jóváhagyás
   title_rejected: Visszautasított
+  title_obsolete: Obsolete
   dmsf_and: ÉS
   dmsf_or: VAGY
   dmsf_new_step: Új lépés
diff --git a/config/locales/it.yml b/config/locales/it.yml
index 9a9d74fb..63b45110 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -48,6 +48,7 @@ it: # Italian strings thx 2 Matteo Arceci!
   notice_file_deleted: Il documento è stato cancellato
   error_at_least_one_revision_must_be_present: Deve essere presente almeno una revisione
   notice_revision_deleted: Revisione cancellata
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Uno dei documenti è bloccato
   notice_file_revision_created: Revisione del documento creata
   notice_your_preferences_were_saved: Le tue preferenze sono state salvate
@@ -115,6 +116,7 @@ it: # Italian strings thx 2 Matteo Arceci!
   heading_revisions: Revisioni
   title_download: Download
   title_delete_revision: Cancella revisione
+  title_obsolete_revision: Obsolete revision
   label_created: Creato
   label_changed: Modificato
   info_changed_by_user: "%{changed} da"
@@ -269,6 +271,7 @@ it: # Italian strings thx 2 Matteo Arceci!
   title_assigned: Assegnato
   title_approval: Approvazione
   title_rejected: Rifiutato
+  title_obsolete: Obsolete
   dmsf_and: AND
   dmsf_or: OR
   dmsf_new_step: Nuovo passo
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index e11bd764..a93148db 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -49,6 +49,7 @@ ja:
   error_at_least_one_revision_must_be_present: 少なくとも１つのリビジョンが必要です
   notice_revision_deleted: リビジョンを削除しました
   warning_one_of_files_locked: ファイルのうちの１つがロックされています
+  notice_revision_obsoleted: Revision obsoleted
   notice_file_revision_created: ファイルのリビジョンを作成しました
   notice_your_preferences_were_saved: あなたの設定を保存しました
   notice_your_preferences_were_not_saved: Your preferences were not saved
@@ -115,6 +116,7 @@ ja:
   heading_revisions: リビジョン
   title_download: ダウンロードします
   title_delete_revision: リビジョンを削除します
+  title_obsolete_revision: Obsolete revision
   label_created: 作成者/日時
   label_changed: 更新者/日時
   info_changed_by_user: "/ %{changed}"
@@ -269,6 +271,7 @@ ja:
   title_assigned: アサイン
   title_approval: 承認
   title_rejected: 否認
+  title_obsolete: Obsolete
   dmsf_and: AND
   dmsf_or: OR
   dmsf_new_step: 新規ステップ
diff --git a/config/locales/ko.yml b/config/locales/ko.yml
index 5abfad16..9caf138e 100644
--- a/config/locales/ko.yml
+++ b/config/locales/ko.yml
@@ -49,6 +49,7 @@ ko:
   error_at_least_one_revision_must_be_present: 적어도 한개의 수정사항이 있어야 합니다
   notice_revision_deleted: 수정사항 삭제됨
   warning_one_of_files_locked: 파일 중 한개가 잠겨있습니다
+  notice_revision_obsoleted: Revision obsoleted
   notice_file_revision_created: 수정된 파일이 생성되었습니다
   notice_your_preferences_were_saved: 사용자의 선호도가 저장되었습니다
   notice_your_preferences_were_not_saved: 사용자의 선호도는 저장되지 않았습니다
@@ -115,6 +116,7 @@ ko:
   heading_revisions: 수정
   title_download: 다운로드
   title_delete_revision: 수정사항 삭제
+  title_obsolete_revision: Obsolete revision
   label_created: 생성됨
   label_changed: 변경됨
   info_changed_by_user: "가 %{changed}함"
@@ -269,6 +271,7 @@ ko:
   title_assigned: 할당됨
   title_approval: 승인
   title_rejected: 반려
+  title_obsolete: Obsolete
   dmsf_and: 및
   dmsf_or: 혹은
   dmsf_new_step: 새로운 스텝
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index 7e68e8cb..4cf155ae 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -48,6 +48,7 @@ nl:
   notice_file_deleted: Map verwijderd
   error_at_least_one_revision_must_be_present: Er moet ten minste een revisie aanwezig zijn
   notice_revision_deleted: Revisie verwijderd
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Een van de bestanden vergrendeld
   notice_file_revision_created: Bestandsrevisie aangemaakt
   notice_your_preferences_were_saved: Uw voorkeuren zijn opgeslagen
@@ -115,6 +116,7 @@ nl:
   heading_revisions: Revisies
   title_download: Downloaden
   title_delete_revision: Verwijder revisie
+  title_obsolete_revision: Obsolete revision
   label_created: Aangemaakt
   label_changed: Gewijzigd
   info_changed_by_user: "%{changed} door"
@@ -269,6 +271,7 @@ nl:
   title_assigned: Toegewezen
   title_approval: Goedkeuring
   title_rejected: Afgewezen
+  title_obsolete: Obsolete
   dmsf_and: EN
   dmsf_or: OF
   dmsf_new_step: Nieuwe stap
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index 97c7b427..89abcd52 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -48,6 +48,7 @@ pl:
   notice_file_deleted: Plik został usunięty
   error_at_least_one_revision_must_be_present: Musi istnieć co najmniej jedna wersja
   notice_revision_deleted: Wersja usunięta
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Jeden z plików jest zablokowany
   notice_file_revision_created: Utworzono wersję pliku
   notice_your_preferences_were_saved: Twoje preferencje zostały zapisane
@@ -115,6 +116,7 @@ pl:
   heading_revisions: Wersje
   title_download: Pobierz
   title_delete_revision: Usuń wersję
+  title_obsolete_revision: Obsolete revision
   label_created: Utworzono
   label_changed: Zmieniono
   info_changed_by_user: "%{changed} przez"
@@ -269,6 +271,7 @@ pl:
   title_assigned: Przydzielony
   title_approval: Akceptacja
   title_rejected: Odrzucony
+  title_obsolete: Obsolete
   dmsf_and: AND
   dmsf_or: OR
   dmsf_new_step: Nowy krok
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index 6b85e585..b8cc7b00 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -48,6 +48,7 @@ pt-BR:
   notice_file_deleted: Arquivo excluído
   error_at_least_one_revision_must_be_present: Deve existir pelo menos uma revisão
   notice_revision_deleted: Revisão excluída
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Um dos arquivos bloqueados
   notice_file_revision_created: Revisão do arquivo criado
   notice_your_preferences_were_saved: Suas atualizações foram salvas
@@ -115,6 +116,7 @@ pt-BR:
   heading_revisions: Revisões
   title_download: Download
   title_delete_revision: Revisão excluída
+  title_obsolete_revision: Obsolete revision
   label_created: Criado
   label_changed: Alterado
   info_changed_by_user: "%{changed} por"
@@ -269,6 +271,7 @@ pt-BR:
   title_assigned: Atribuído
   title_approval: Aprovado
   title_rejected: Rejeitado
+  title_obsolete: Obsolete
   dmsf_and: E
   dmsf_or: OU
   dmsf_new_step: Novo passo
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index 627a8008..cc15bdc6 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -48,6 +48,7 @@ ru:
   notice_file_deleted: Файл удален
   error_at_least_one_revision_must_be_present: По крайней мере, одна редакция должна присутствовать
   notice_revision_deleted: Редакция удалена
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Один из файлов заблокирован
   notice_file_revision_created: Редакция файла создана
   notice_your_preferences_were_saved: Ваши настройки были сохранены
@@ -115,6 +116,7 @@ ru:
   heading_revisions: Редакции
   title_download: Скачать
   title_delete_revision: Удалить редакцию
+  title_obsolete_revision: Obsolete revision
   label_created: Создан
   label_changed: Изменен
   info_changed_by_user: "%{changed} пользователем"
@@ -269,6 +271,7 @@ ru:
   title_assigned: Назначен
   title_approval: Согласован
   title_rejected: Отклонен
+  title_obsolete: Obsolete
   dmsf_and: AND
   dmsf_or: OR
   dmsf_new_step: Новый шаг
diff --git a/config/locales/sl.yml b/config/locales/sl.yml
index cf7739b4..7961cc47 100644
--- a/config/locales/sl.yml
+++ b/config/locales/sl.yml
@@ -48,6 +48,7 @@ sl:
   notice_file_deleted: Datoteka izbrisana
   error_at_least_one_revision_must_be_present: Vsaj ena verzija mora obstajati
   notice_revision_deleted: Verzija izbrisana
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: Ena od datotek je zaklenjena
   notice_file_revision_created: Verzija datoteke kreirana
   notice_your_preferences_were_saved: Vaše nastavitve so shranjene
@@ -115,6 +116,7 @@ sl:
   heading_revisions: Verzije
   title_download: Prenesi dol
   title_delete_revision: Izbriši verzijo
+  title_obsolete_revision: Obsolete revision
   label_created: Narejeno
   label_changed: Spremenjeno
   info_changed_by_user: "%{changed} po"
@@ -269,6 +271,7 @@ sl:
   title_assigned: Assigned
   title_approval: Approval
   title_rejected: Rejected
+  title_obsolete: Obsolete
   dmsf_and: AND
   dmsf_or: OR
   dmsf_new_step: New step
diff --git a/config/locales/zh-TW.yml b/config/locales/zh-TW.yml
index ca830435..002da782 100644
--- a/config/locales/zh-TW.yml
+++ b/config/locales/zh-TW.yml
@@ -48,6 +48,7 @@ zh-TW:
   notice_file_deleted: 檔案己經被刪除了
   error_at_least_one_revision_must_be_present: 至少要有一個修訂版本存在
   notice_revision_deleted: 修訂版本己經被刪除
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: 其中一個檔案被鎖定了
   notice_file_revision_created: 檔案修訂版本己建立
   notice_your_preferences_were_saved: 您的偏好設定己經儲存
@@ -115,6 +116,7 @@ zh-TW:
   heading_revisions: 修訂版本
   title_download: 下載
   title_delete_revision: 刪除此修訂版本
+  title_obsolete_revision: Obsolete revision
   label_created: 建立者/時間
   label_changed: 修改者/時間
   info_changed_by_user: "%{changed} by"
@@ -269,6 +271,7 @@ zh-TW:
   title_assigned: Assigned
   title_approval: Approval
   title_rejected: Rejected
+  title_obsolete: Obsolete
   dmsf_and: AND
   dmsf_or: OR
   dmsf_new_step: New step
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index c68f68fe..72c8f061 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -48,6 +48,7 @@ zh:
   notice_file_deleted: 文件已删除
   error_at_least_one_revision_must_be_present: 至少一个修订版本必须存在
   notice_revision_deleted: 修订版本已删除
+  notice_revision_obsoleted: Revision obsoleted
   warning_one_of_files_locked: 其中一个文件被锁定
   notice_file_revision_created: 文件修订版本已创建
   notice_your_preferences_were_saved: 您的偏好设定已保存
@@ -115,6 +116,7 @@ zh:
   heading_revisions: 修订版本
   title_download: 下载
   title_delete_revision: 删除此修订
+  title_obsolete_revision: Obsolete revision
   label_created: 创建
   label_changed: 修改
   info_changed_by_user: "%{changed} by"
@@ -269,6 +271,7 @@ zh:
   title_assigned: Assigned
   title_approval: Approval
   title_rejected: Rejected
+  title_obsolete: Obsolete
   dmsf_and: AND
   dmsf_or: OR
   dmsf_new_step: New step
diff --git a/test/functional/dmsf_files_controller_test.rb b/test/functional/dmsf_files_controller_test.rb
index 60199561..95ebfc3e 100644
--- a/test/functional/dmsf_files_controller_test.rb
+++ b/test/functional/dmsf_files_controller_test.rb
@@ -91,5 +91,16 @@ class DmsfFilesControllerTest < RedmineDmsf::Test::TestCase
     assert_response :redirect
     assert_equal 0, flash[:error].size
   end
+
+  def test_obsolete_revision_ok
+    @role.add_permission! :file_manipulation
+    get :obsolete_revision, :id => @file.last_revision.id
+    assert_redirected_to :action => 'show', :id => @file
+  end
+
+  def test_obsolete_revision_missing_permissions
+    get :obsolete_revision, :id => @file.last_revision.id
+    assert :forbiden
+  end
   
 end
\ No newline at end of file
diff --git a/test/unit/dmsf_file_revision_test.rb b/test/unit/dmsf_file_revision_test.rb
index 578ce517..820e53e1 100644
--- a/test/unit/dmsf_file_revision_test.rb
+++ b/test/unit/dmsf_file_revision_test.rb
@@ -21,6 +21,8 @@
 require File.expand_path('../../test_helper', __FILE__)
 
 class DmsfFileRevisionTest < RedmineDmsf::Test::UnitTest
+  include Redmine::I18n
+
   fixtures :projects, :users, :email_addresses, :dmsf_folders, :dmsf_files, :dmsf_file_revisions, :roles, :members,
            :member_roles, :enabled_modules, :enumerations, :dmsf_locks, :dmsf_workflows, :dmsf_workflow_steps,
            :dmsf_workflow_step_assignments, :dmsf_workflow_step_actions
@@ -31,6 +33,8 @@ class DmsfFileRevisionTest < RedmineDmsf::Test::UnitTest
     @revision5 = DmsfFileRevision.find_by_id 5
     @revision8 = DmsfFileRevision.find_by_id 8
     @wf1 = DmsfWorkflow.find_by_id 1
+    @admin = User.find_by_id 1
+    @jsmith = User.find_by_id 2
     Setting.plugin_redmine_dmsf['dmsf_storage_directory'] = File.expand_path '../../fixtures/files', __FILE__
   end
   
@@ -40,6 +44,8 @@ class DmsfFileRevisionTest < RedmineDmsf::Test::UnitTest
     assert_kind_of DmsfFileRevision, @revision5
     assert_kind_of DmsfFileRevision, @revision8
     assert_kind_of DmsfWorkflow, @wf1
+    assert_kind_of User, @admin
+    assert_kind_of User, @jsmith
   end
 
   def test_delete_restore
@@ -223,4 +229,18 @@ class DmsfFileRevisionTest < RedmineDmsf::Test::UnitTest
     assert_equal 'ms-excel', @revision1.protocol
   end
 
+  def test_obsolete
+    assert @revision1.obsolete
+    assert_equal DmsfWorkflow::STATE_OBSOLETE, @revision1.workflow
+  end
+
+  def test_obsolete_locked
+    User.current = @admin
+    @revision1.dmsf_file.lock!
+    User.current = @jsmith
+    assert !@revision1.obsolete
+    assert_equal 1, @revision1.errors.count
+    @revision1.errors.full_messages.to_sentence.include?(l(:error_file_is_locked))
+  end
+
 end
\ No newline at end of file