def test_get_kw_re_string(self): re_string = get_kw_re_string('1') self.assertEqual(re_string, '(?i)(.*1)') re_string = get_kw_re_string('123') self.assertEqual(re_string, '(?i)(.*1.*2.*3)') re_string = get_kw_re_string(123) self.assertEqual(re_string, '(?i)(.*1.*2.*3)')