Add a basic test for forum's thread reference generation.

product/ERP5/tests/testERP5Discussion.py

+# -*- coding: utf-8 -*-
 ##############################################################################
 #
 # Copyright (c) 2010 Nexedi SA and Contributors.
@@ -148,6 +149,10 @@ class TestERP5Discussion(ERP5TypeTestCase):
     self.assertSameSet([], web_section2.getDocumentValueList())
 
 
+  def test_02_ReferenceGenerationFromString(self):
+    s = "a test by ivan !@#$%^&*()[]\\é"
+    self.assertEqual('a-test-by-ivan', self.portal.Base_generateReferenceFromString(s))
+
 def test_suite():
   suite = unittest.TestSuite()
   suite.addTest(unittest.makeSuite(TestERP5Discussion))