Add support for resetall to create_autospec

src/pytest_mock/plugin.py

@@ -66,12 +66,20 @@ def __init__(self, config: Any) -> None:
         self.call = mock_module.call
         self.ANY = mock_module.ANY
         self.DEFAULT = mock_module.DEFAULT
-        self.create_autospec = mock_module.create_autospec
         self.sentinel = mock_module.sentinel
         self.mock_open = mock_module.mock_open
         if hasattr(mock_module, "seal"):
             self.seal = mock_module.seal
 
+    def create_autospec(
+        self, spec: Any, spec_set: bool = False, instance: bool = False, **kwargs: Any
+    ) -> MockType:
+        m: MockType = self.mock_module.create_autospec(
+            spec, spec_set, instance, **kwargs
+        )
+        self._patches_and_mocks.append((None, m))
+        return m
+
     def resetall(
         self, *, return_value: bool = False, side_effect: bool = False
     ) -> None:
@@ -102,7 +110,8 @@ def stopall(self) -> None:
         times.
         """
         for p, m in reversed(self._patches_and_mocks):
-            p.stop()
+            if p:
+                p.stop()
         self._patches_and_mocks.clear()
 
     def stop(self, mock: unittest.mock.MagicMock) -> None:

tests/test_pytest_mock.py

@@ -60,6 +60,15 @@ def ls(cls, path):
         return os.listdir(path)
 
 
+class TestObject:
+    """
+    Class that is used for testing create_autospec with child mocks
+    """
+
+    def run(self) -> str:
+        return "not mocked"
+
+
 @pytest.fixture
 def check_unix_fs_mocked(
     tmpdir: Any, mocker: MockerFixture
@@ -185,23 +194,35 @@ def test_mocker_resetall(mocker: MockerFixture) -> None:
     listdir = mocker.patch("os.listdir", return_value="foo")
     open = mocker.patch("os.open", side_effect=["bar", "baz"])
 
+    mocked_object = mocker.create_autospec(TestObject)
+    mocked_object.run.return_value = "mocked"
+
     assert listdir("/tmp") == "foo"
     assert open("/tmp/foo.txt") == "bar"
+    assert mocked_object.run() == "mocked"
     listdir.assert_called_once_with("/tmp")
     open.assert_called_once_with("/tmp/foo.txt")
+    mocked_object.run.assert_called_once()
 
     mocker.resetall()
 
     assert not listdir.called
     assert not open.called
+    assert not mocked_object.called
     assert listdir.return_value == "foo"
     assert list(open.side_effect) == ["baz"]
+    assert mocked_object.run.return_value == "mocked"
 
     mocker.resetall(return_value=True, side_effect=True)
 
     assert isinstance(listdir.return_value, mocker.Mock)
     assert open.side_effect is None
 
+    if sys.version_info >= (3, 9):
+        # The reset on child mocks have been implemented in 3.9
+        # https://bugs.python.org/issue38932
+        assert mocked_object.run.return_value != "mocked"
+
 
 class TestMockerStub:
     def test_call(self, mocker: MockerFixture) -> None: