def test___str__(self):
col = Column(flags=COLUMN_SCALAR, type=ShortText)
self.assertRaises(TypeError, col.__str__)
col = Column(flags=COLUMN_SCALAR, type=ShortText)
col.tablename = 'tb1'
self.assertRaises(TypeError, col.__str__)
col = Column(flags=COLUMN_SCALAR, type=ShortText)
col.name = 'name1'
self.assertRaises(TypeError, col.__str__)
col = Column(flags=COLUMN_VECTOR, type=ShortText)
col.tablename = 'tb2'
col.name = 'name2'
self.assertEqual(col.__str__(), 'column_create --table tb2 ' \
'--name name2 --flags COLUMN_VECTOR --type ShortText')
