🦭 Add seal shortcut to mocker fixture

README.rst

@@ -81,6 +81,7 @@ Also, as a convenience, these names from the ``mock`` module are accessible dire
 * `call <https://docs.python.org/3/library/unittest.mock.html#call>`_ *(Version 1.1)*
 * `sentinel <https://docs.python.org/3/library/unittest.mock.html#sentinel>`_ *(Version 1.2)*
 * `mock_open <https://docs.python.org/3/library/unittest.mock.html#mock-open>`_
+* `seal <https://docs.python.org/3/library/unittest.mock.html#unittest.mock.seal>`_ *(Version ???)*
 
 It is also possible to use mocking functionality from fixtures of other scopes using
 the appropriate mock fixture:

src/pytest_mock/plugin.py

@@ -65,6 +65,8 @@ def __init__(self, config: Any) -> None:
         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 resetall(self) -> None:
         """Call reset_mock() on all patchers started by this fixture."""

tests/test_pytest_mock.py

@@ -152,6 +152,12 @@ def test_mock_patch_dict_resetall(mocker: MockerFixture) -> None:
         "NonCallableMock",
         "PropertyMock",
         "sentinel",
+        pytest.param(
+            "seal",
+            marks=pytest.mark.skipif(
+                sys.version_info < (3, 7), reason="seal is present on 3.7 and above"
+            ),
+        ),
     ],
 )
 def test_mocker_aliases(name: str, pytestconfig: Any) -> None: