Fix compatibility with pytest 8.1 (FixtureDef signature changed)

Author: youtux

src/pytest_bdd/compat.py

@@ -3,19 +3,27 @@
 from collections.abc import Sequence
 from importlib.metadata import version
 
-from _pytest.fixtures import FixtureDef, FixtureManager
+from _pytest.fixtures import FixtureDef as _FixtureDef
+from _pytest.fixtures import FixtureManager
 from _pytest.nodes import Node
 from packaging.version import parse as parse_version
 
 pytest_version = parse_version(version("pytest"))
 
+__all__ = ["getfixturedefs", "FixtureDef"]
 
 if pytest_version.release >= (8, 1):
 
-    def getfixturedefs(fixturemanager: FixtureManager, fixturename: str, node: Node) -> Sequence[FixtureDef] | None:
+    def getfixturedefs(fixturemanager: FixtureManager, fixturename: str, node: Node) -> Sequence[_FixtureDef] | None:
         return fixturemanager.getfixturedefs(fixturename, node)
 
+    def FixtureDef(fixturemanager, **kwargs):
+        kwargs.setdefault("config", fixturemanager.config)
+        return _FixtureDef(**kwargs)
+
 else:
 
     def getfixturedefs(fixturemanager: FixtureManager, fixturename: str, node: Node) -> Sequence[FixtureDef] | None:
         return fixturemanager.getfixturedefs(fixturename, node.nodeid)
+
+    FixtureDef = _FixtureDef

src/pytest_bdd/steps.py

@@ -42,9 +42,10 @@ def _(article):
 from typing import Any, Callable, Iterable, Literal, TypeVar
 
 import pytest
-from _pytest.fixtures import FixtureDef, FixtureRequest
+from _pytest.fixtures import FixtureRequest
 from typing_extensions import ParamSpec
 
+from . import compat
 from .parser import Step
 from .parsers import StepParser, get_parser
 from .types import GIVEN, THEN, WHEN
@@ -210,7 +211,7 @@ def inject_fixture(request: FixtureRequest, arg: str, value: Any) -> None:
     :param value: argument value
     """
 
-    fd = FixtureDef(
+    fd = compat.FixtureDef(
         fixturemanager=request._fixturemanager,
         baseid=None,
         argname=arg,
@@ -224,6 +225,7 @@ def inject_fixture(request: FixtureRequest, arg: str, value: Any) -> None:
     add_fixturename = arg not in request.fixturenames
 
     def fin() -> None:
+        # TODO: Still required?
         request._fixturemanager._arg2fixturedefs[arg].remove(fd)
 
         if old_fd is not None: