Index: sessions_controller_test.rb
===================================================================
--- sessions_controller_test.rb	(revision 17403)
+++ sessions_controller_test.rb	(working copy)
@@ -45,6 +45,19 @@
     assert_not_equal created.to_i, token.updated_on.to_i
     assert token.updated_on > created
   end
+  
+  def test_session_token_should_be_updated_only_once_per_minute
+    token = Token.create!(:user_id => 2, :action => 'session', :created_on => 1.second.ago, :updated_on => 1.second.ago)
+    updated = token.reload.updated_on
+    
+    get :index, :session => {
+      :user_id => 2,
+      :tk => token.value
+    }
+    assert_response :success
+    token.reload
+    assert_equal updated.to_i, token.updated_on.to_i
+  end
 
   def test_user_session_should_not_be_reset_if_lifetime_and_timeout_disabled
     created = 2.years.ago