python类side_effect()的实例源码

def test_exceptional_side_effect(self):
        mock = Mock(side_effect=AttributeError)
        self.assertRaises(AttributeError, mock)

        mock = Mock(side_effect=AttributeError('foo'))
        self.assertRaises(AttributeError, mock)

def test_side_effect_iterator_exceptions(self):
        for Klass in Mock, MagicMock:
            iterable = (ValueError, 3, KeyError, 6)
            m = Klass(side_effect=iterable)
            self.assertRaises(ValueError, m)
            self.assertEqual(m(), 3)
            self.assertRaises(KeyError, m)
            self.assertEqual(m(), 6)

def test_side_effect_iterator_default(self):
        mock = Mock(return_value=2)
        mock.side_effect = iter([1, DEFAULT])
        self.assertEqual([mock(), mock()], [1, 2])