'Parsing a single-direction mode setting with multiple modes and no
parameters, results in all modes falling into the same direction group.'

def test_singleDirection(self):

    (added, removed) = irc.parseModes('+stn', [])
    self.assertEqual(added, [('s', None), ('t', None), ('n', None)])
    self.assertEqual(removed, [])
    (added, removed) = irc.parseModes('-nt', [])
    self.assertEqual(added, [])
    self.assertEqual(removed, [('n', None), ('t', None)])
