Use Item.ihook instead of Config.hook

Author: tjkuson

pytest_asyncio/plugin.py

@@ -246,7 +246,7 @@ def _collect_hook_loop_factories(
     config: Config,
     item: Item,
 ) -> dict[str, LoopFactory] | None:
-    hook_caller = config.hook.pytest_asyncio_loop_factories
+    hook_caller = item.ihook.pytest_asyncio_loop_factories
     if not hook_caller.get_hookimpls():
         return None
 

tests/test_loop_factory_parametrization.py

@@ -352,6 +352,47 @@ def pytest_asyncio_loop_factories(config, item):
             return {"sub": SubCustomEventLoop}
         """),
     )
+    subdir.joinpath("test_sub.py").write_text(
+        dedent("""\
+        import asyncio
+        import pytest
+
+        pytest_plugins = "pytest_asyncio"
+
+        @pytest.mark.asyncio
+        async def test_uses_sub_loop():
+            assert type(asyncio.get_running_loop()).__name__ == "SubCustomEventLoop"
+        """),
+    )
+    result = pytester.runpytest("--asyncio-mode=strict")
+    result.assert_outcomes(passed=1)
+
+
+def test_nested_conftest_hook_respects_conftest_locality(
+    pytester: Pytester,
+) -> None:
+    pytester.makeini("[pytest]\nasyncio_default_fixture_loop_scope = function")
+    pytester.makeconftest(dedent("""\
+        import asyncio
+
+        class RootCustomEventLoop(asyncio.SelectorEventLoop):
+            pass
+
+        def pytest_asyncio_loop_factories(config, item):
+            return {"root": RootCustomEventLoop}
+        """))
+    subdir = pytester.mkdir("subdir")
+    subdir.joinpath("conftest.py").write_text(
+        dedent("""\
+        import asyncio
+
+        class SubCustomEventLoop(asyncio.SelectorEventLoop):
+            pass
+
+        def pytest_asyncio_loop_factories(config, item):
+            return {"sub": SubCustomEventLoop}
+        """),
+    )
     pytester.makepyfile(
         test_root=dedent("""\
             import asyncio
@@ -360,8 +401,10 @@ def pytest_asyncio_loop_factories(config, item):
             pytest_plugins = "pytest_asyncio"
 
             @pytest.mark.asyncio
-            async def test_uses_sub_loop():
-                assert type(asyncio.get_running_loop()).__name__ == "SubCustomEventLoop"
+            async def test_root_uses_root_loop():
+                assert (
+                    type(asyncio.get_running_loop()).__name__ == "RootCustomEventLoop"
+                )
             """),
     )
     subdir.joinpath("test_sub.py").write_text(
@@ -372,7 +415,7 @@ async def test_uses_sub_loop():
         pytest_plugins = "pytest_asyncio"
 
         @pytest.mark.asyncio
-        async def test_uses_sub_loop():
+        async def test_sub_uses_sub_loop():
             assert type(asyncio.get_running_loop()).__name__ == "SubCustomEventLoop"
         """),
     )