def testPref(self): # {{{
pref = EvervimPref._instance = None
pref = EvervimPref.getInstance()
self.assertIsNone(pref.workdir)
self.assertIsNone(pref.devtoken)
self.assertIsNone(pref.sortnotebooks)
self.assertIsNone(pref.sorttags)
self.assertIsNone(pref.xmlindent)
self.assertIsNone(pref.usemarkdown)
self.assertRaises(AttributeError, lambda: pref.zzzzzzzzzzzz)
self.assertRaises(RuntimeError, lambda: EvervimPref())
