Python mock.side_effect方法代码示例

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def configure_mock(self, **kwargs):
        """Set attributes on the mock through keyword arguments.

        Attributes plus return values and side effects can be set on child
        mocks using standard dot notation and unpacking a dictionary in the
        method call:

        >>> attrs = {'method.return_value': 3, 'other.side_effect': KeyError}
        >>> mock.configure_mock(**attrs)"""
        for arg, val in sorted(kwargs.items(),
                               # we sort on the number of dots so that
                               # attributes are set before we set attributes on
                               # attributes
                               key=lambda entry: entry[0].count('.')):
            args = arg.split('.')
            final = args.pop()
            obj = self
            for entry in args:
                obj = getattr(obj, entry)
            setattr(obj, final, val) 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def test_autospec_side_effect(self):
        # Test for issue17826
        results = [1, 2, 3]
        def effect():
            return results.pop()
        def f():
            pass

        mock = create_autospec(f)
        mock.side_effect = [1, 2, 3]
        self.assertEqual([mock(), mock(), mock()], [1, 2, 3],
                          "side effect not used correctly in create_autospec")
        # Test where side effect is a callable
        results = [1, 2, 3]
        mock = create_autospec(f)
        mock.side_effect = effect
        self.assertEqual([mock(), mock(), mock()], [3, 2, 1],
                          "callable side effect not used correctly") 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def test_configure_mock(self):
        mock = Mock(foo='bar')
        self.assertEqual(mock.foo, 'bar')

        mock = MagicMock(foo='bar')
        self.assertEqual(mock.foo, 'bar')

        kwargs = {'side_effect': KeyError, 'foo.bar.return_value': 33,
                  'foo': MagicMock()}
        mock = Mock(**kwargs)
        self.assertRaises(KeyError, mock)
        self.assertEqual(mock.foo.bar(), 33)
        self.assertIsInstance(mock.foo, MagicMock)

        mock = Mock()
        mock.configure_mock(**kwargs)
        self.assertRaises(KeyError, mock)
        self.assertEqual(mock.foo.bar(), 33)
        self.assertIsInstance(mock.foo, MagicMock) 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def test_side_effect_iterator(self):
        mock = Mock(side_effect=iter([1, 2, 3]))
        self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
        self.assertRaises(StopIteration, mock)

        mock = MagicMock(side_effect=['a', 'b', 'c'])
        self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
        self.assertRaises(StopIteration, mock)

        mock = Mock(side_effect='ghi')
        self.assertEqual([mock(), mock(), mock()], ['g', 'h', 'i'])
        self.assertRaises(StopIteration, mock)

        class Foo(object):
            pass
        mock = MagicMock(side_effect=Foo)
        self.assertIsInstance(mock(), Foo)

        mock = Mock(side_effect=Iter())
        self.assertEqual([mock(), mock(), mock(), mock()],
                         ['this', 'is', 'an', 'iter'])
        self.assertRaises(StopIteration, mock) 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def test_side_effect_setting_iterator(self):
        mock = Mock()
        mock.side_effect = iter([1, 2, 3])
        self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
        self.assertRaises(StopIteration, mock)
        side_effect = mock.side_effect
        self.assertIsInstance(side_effect, type(iter([])))

        mock.side_effect = ['a', 'b', 'c']
        self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
        self.assertRaises(StopIteration, mock)
        side_effect = mock.side_effect
        self.assertIsInstance(side_effect, type(iter([])))

        this_iter = Iter()
        mock.side_effect = this_iter
        self.assertEqual([mock(), mock(), mock(), mock()],
                         ['this', 'is', 'an', 'iter'])
        self.assertRaises(StopIteration, mock)
        self.assertIs(mock.side_effect, this_iter) 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def _set_return_value(mock, method, name):
    fixed = _return_values.get(name, DEFAULT)
    if fixed is not DEFAULT:
        method.return_value = fixed
        return

    return_calulator = _calculate_return_value.get(name)
    if return_calulator is not None:
        try:
            return_value = return_calulator(mock)
        except AttributeError:
            # XXXX why do we return AttributeError here?
            #      set it as a side_effect instead?
            # Answer: it makes magic mocks work on pypy?!
            return_value = AttributeError(name)
        method.return_value = return_value
        return

    side_effector = _side_effect_methods.get(name)
    if side_effector is not None:
        method.side_effect = side_effector(mock) 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def _setup_func(funcopy, mock):
    funcopy.mock = mock

    # can't use isinstance with mocks
    if not _is_instance_mock(mock):
        return

    def assert_called_with(*args, **kwargs):
        return mock.assert_called_with(*args, **kwargs)
    def assert_called_once_with(*args, **kwargs):
        return mock.assert_called_once_with(*args, **kwargs)
    def assert_has_calls(*args, **kwargs):
        return mock.assert_has_calls(*args, **kwargs)
    def assert_any_call(*args, **kwargs):
        return mock.assert_any_call(*args, **kwargs)
    def reset_mock():
        funcopy.method_calls = _CallList()
        funcopy.mock_calls = _CallList()
        mock.reset_mock()
        ret = funcopy.return_value
        if _is_instance_mock(ret) and not ret is mock:
            ret.reset_mock()

    funcopy.called = False
    funcopy.call_count = 0
    funcopy.call_args = None
    funcopy.call_args_list = _CallList()
    funcopy.method_calls = _CallList()
    funcopy.mock_calls = _CallList()

    funcopy.return_value = mock.return_value
    funcopy.side_effect = mock.side_effect
    funcopy._mock_children = mock._mock_children

    funcopy.assert_called_with = assert_called_with
    funcopy.assert_called_once_with = assert_called_once_with
    funcopy.assert_has_calls = assert_has_calls
    funcopy.assert_any_call = assert_any_call
    funcopy.reset_mock = reset_mock

    mock._mock_delegate = funcopy 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def __get_side_effect(self):
        delegated = self._mock_delegate
        if delegated is None:
            return self._mock_side_effect
        sf = delegated.side_effect
        if (sf is not None and not callable(sf)
                and not isinstance(sf, _MockIter) and not _is_exception(sf)):
            sf = _MockIter(sf)
            delegated.side_effect = sf
        return sf 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def __set_side_effect(self, value):
        value = _try_iter(value)
        delegated = self._mock_delegate
        if delegated is None:
            self._mock_side_effect = value
        else:
            delegated.side_effect = value 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def __init__(self, spec=None, side_effect=None, return_value=DEFAULT,
                 wraps=None, name=None, spec_set=None, parent=None,
                 _spec_state=None, _new_name='', _new_parent=None, **kwargs):
        self.__dict__['_mock_return_value'] = return_value

        _safe_super(CallableMixin, self).__init__(
            spec, wraps, name, spec_set, parent,
            _spec_state, _new_name, _new_parent, **kwargs
        )

        self.side_effect = side_effect 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def test_side_effect(self):
        mock = Mock()

        def effect(*args, **kwargs):
            raise SystemError('kablooie')

        mock.side_effect = effect
        self.assertRaises(SystemError, mock, 1, 2, fish=3)
        mock.assert_called_with(1, 2, fish=3)

        results = [1, 2, 3]
        def effect():
            return results.pop()
        mock.side_effect = effect

        self.assertEqual([mock(), mock(), mock()], [3, 2, 1],
                          "side effect not used correctly")

        mock = Mock(side_effect=sentinel.SideEffect)
        self.assertEqual(mock.side_effect, sentinel.SideEffect,
                          "side effect in constructor not used")

        def side_effect():
            return DEFAULT
        mock = Mock(side_effect=side_effect, return_value=sentinel.RETURN)
        self.assertEqual(mock(), sentinel.RETURN) 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import side_effect [as 别名]
def test_autospec_side_effect_exception(self):
        # Test for issue 23661
        def f():
            pass

        mock = create_autospec(f)
        mock.side_effect = ValueError('Bazinga!')
        self.assertRaisesRegex(ValueError, 'Bazinga!', mock)