Python mock.called方法代码示例

# 需要导入模块: import mock [as 别名]
# 或者: from mock import called [as 别名]
def test_assert_called_once_with_function_spec(self):
        def f(a, b, c, d=None):
            pass

        mock = Mock(spec=f)

        mock(1, b=2, c=3)
        mock.assert_called_once_with(1, 2, 3)
        mock.assert_called_once_with(a=1, b=2, c=3)
        self.assertRaises(AssertionError, mock.assert_called_once_with,
                          1, b=3, c=2)
        # Expected call doesn't match the spec's signature
        with self.assertRaises(AssertionError) as cm:
            mock.assert_called_once_with(e=8)
        if hasattr(cm.exception, '__cause__'):
            self.assertIsInstance(cm.exception.__cause__, TypeError)
        # Mock called more than once => always fails
        mock(4, 5, 6)
        self.assertRaises(AssertionError, mock.assert_called_once_with,
                          1, 2, 3)
        self.assertRaises(AssertionError, mock.assert_called_once_with,
                          4, 5, 6) 

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

        self.assertFalse(mock.called, "called not initialised correctly")
        self.assertEqual(mock.call_count, 0,
                         "call_count not initialised correctly")
        self.assertTrue(is_instance(mock.return_value, Mock),
                        "return_value not initialised correctly")

        self.assertEqual(mock.call_args, None,
                         "call_args not initialised correctly")
        self.assertEqual(mock.call_args_list, [],
                         "call_args_list not initialised correctly")
        self.assertEqual(mock.method_calls, [],
                          "method_calls not initialised correctly")

        # Can't use hasattr for this test as it always returns True on a mock
        self.assertNotIn('_items', mock.__dict__,
                         "default mock should not have '_items' attribute")

        self.assertIsNone(mock._mock_parent,
                          "parent not initialised correctly")
        self.assertIsNone(mock._mock_methods,
                          "methods not initialised correctly")
        self.assertEqual(mock._mock_children, {},
                         "children not initialised incorrectly") 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import called [as 别名]
def test_reset_mock(self):
        parent = Mock()
        spec = ["something"]
        mock = Mock(name="child", parent=parent, spec=spec)
        mock(sentinel.Something, something=sentinel.SomethingElse)
        something = mock.something
        mock.something()
        mock.side_effect = sentinel.SideEffect
        return_value = mock.return_value
        return_value()

        mock.reset_mock()

        self.assertEqual(mock._mock_name, "child",
                         "name incorrectly reset")
        self.assertEqual(mock._mock_parent, parent,
                         "parent incorrectly reset")
        self.assertEqual(mock._mock_methods, spec,
                         "methods incorrectly reset")

        self.assertFalse(mock.called, "called not reset")
        self.assertEqual(mock.call_count, 0, "call_count not reset")
        self.assertEqual(mock.call_args, None, "call_args not reset")
        self.assertEqual(mock.call_args_list, [], "call_args_list not reset")
        self.assertEqual(mock.method_calls, [],
                        "method_calls not initialised correctly: %r != %r" %
                        (mock.method_calls, []))
        self.assertEqual(mock.mock_calls, [])

        self.assertEqual(mock.side_effect, sentinel.SideEffect,
                          "side_effect incorrectly reset")
        self.assertEqual(mock.return_value, return_value,
                          "return_value incorrectly reset")
        self.assertFalse(return_value.called, "return value mock not reset")
        self.assertEqual(mock._mock_children, {'something': something},
                          "children reset incorrectly")
        self.assertEqual(mock.something, something,
                          "children incorrectly cleared")
        self.assertFalse(mock.something.called, "child not reset") 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import called [as 别名]
def test_call(self):
        mock = Mock()
        self.assertTrue(is_instance(mock.return_value, Mock),
                        "Default return_value should be a Mock")

        result = mock()
        self.assertEqual(mock(), result,
                         "different result from consecutive calls")
        mock.reset_mock()

        ret_val = mock(sentinel.Arg)
        self.assertTrue(mock.called, "called not set")
        self.assertEqual(mock.call_count, 1, "call_count incoreect")
        self.assertEqual(mock.call_args, ((sentinel.Arg,), {}),
                         "call_args not set")
        self.assertEqual(mock.call_args_list, [((sentinel.Arg,), {})],
                         "call_args_list not initialised correctly")

        mock.return_value = sentinel.ReturnValue
        ret_val = mock(sentinel.Arg, key=sentinel.KeyArg)
        self.assertEqual(ret_val, sentinel.ReturnValue,
                         "incorrect return value")

        self.assertEqual(mock.call_count, 2, "call_count incorrect")
        self.assertEqual(mock.call_args,
                         ((sentinel.Arg,), {'key': sentinel.KeyArg}),
                         "call_args not set")
        self.assertEqual(mock.call_args_list, [
            ((sentinel.Arg,), {}),
            ((sentinel.Arg,), {'key': sentinel.KeyArg})
        ],
            "call_args_list not set") 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import called [as 别名]
def test_attribute_access_returns_mocks(self):
        mock = Mock()
        something = mock.something
        self.assertTrue(is_instance(something, Mock), "attribute isn't a mock")
        self.assertEqual(mock.something, something,
                         "different attributes returned for same name")

        # Usage example
        mock = Mock()
        mock.something.return_value = 3

        self.assertEqual(mock.something(), 3, "method returned wrong value")
        self.assertTrue(mock.something.called,
                        "method didn't record being called") 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import called [as 别名]
def test_assert_called_with_message(self):
        mock = Mock()
        self.assertRaisesRegex(AssertionError, 'Not called',
                                mock.assert_called_with) 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import called [as 别名]
def test_assert_called_once_with_message(self):
        mock = Mock(name='geoffrey')
        self.assertRaisesRegex(AssertionError,
                     r"Expected 'geoffrey' to be called once\.",
                     mock.assert_called_once_with) 

# 需要导入模块: import mock [as 别名]
# 或者: from mock import called [as 别名]
def test_pickle(self):
        for Klass in (MagicMock, Mock, Subclass, NonCallableMagicMock):
            mock = Klass(name='foo', attribute=3)
            mock.foo(1, 2, 3)
            data = pickle.dumps(mock)
            new = pickle.loads(data)

            new.foo.assert_called_once_with(1, 2, 3)
            self.assertFalse(new.called)
            self.assertTrue(is_instance(new, Klass))
            self.assertIsInstance(new, Thing)
            self.assertIn('name="foo"', repr(new))
            self.assertEqual(new.attribute, 3)