use function scope async fixtures

Author: rmorshea

src/py/reactpy/pyproject.toml

@@ -80,7 +80,7 @@ pre-install-command = "hatch build --hooks-only"
 dependencies = [
   "coverage[toml]>=6.5",
   "pytest",
-  "pytest-asyncio>=0.17",
+  "pytest-asyncio>=0.23",
   "pytest-mock",
   "pytest-rerunfailures",
   "pytest-timeout",

src/py/reactpy/tests/conftest.py

@@ -18,7 +18,8 @@
     capture_reactpy_logs,
     clear_reactpy_web_modules_dir,
 )
-from tests.tooling.loop import open_event_loop
+
+REACTPY_FEATURE_CONCURRENT_RENDERING.current = True
 
 
 def pytest_addoption(parser: Parser) -> None:
@@ -30,22 +31,19 @@ def pytest_addoption(parser: Parser) -> None:
     )
 
 
-REACTPY_FEATURE_CONCURRENT_RENDERING.current = True
-
-
 @pytest.fixture
 async def display(server, page):
     async with DisplayFixture(server, page) as display:
         yield display
 
 
-@pytest.fixture(scope="session")
+@pytest.fixture
 async def server():
     async with BackendFixture() as server:
         yield server
 
 
-@pytest.fixture(scope="session")
+@pytest.fixture
 async def page(browser):
     pg = await browser.new_page()
     pg.set_default_timeout(REACTPY_TESTING_DEFAULT_TIMEOUT.current * 1000)
@@ -55,18 +53,18 @@ async def page(browser):
         await pg.close()
 
 
-@pytest.fixture(scope="session")
+@pytest.fixture
 async def browser(pytestconfig: Config):
     async with async_playwright() as pw:
         yield await pw.chromium.launch(headless=not bool(pytestconfig.option.headed))
 
 
 @pytest.fixture(scope="session")
-def event_loop():
+def event_loop_policy():
     if os.name == "nt":  # nocov
-        asyncio.set_event_loop_policy(asyncio.WindowsProactorEventLoopPolicy())
-    with open_event_loop() as loop:
-        yield loop
+        return asyncio.WindowsProactorEventLoopPolicy()
+    else:
+        return asyncio.DefaultEventLoopPolicy()
 
 
 @pytest.fixture(autouse=True)

src/py/reactpy/tests/test_backend/test_all.py

@@ -14,7 +14,6 @@
 @pytest.fixture(
     params=[*list(all_implementations()), default_implementation],
     ids=lambda imp: imp.__name__,
-    scope="module",
 )
 async def display(page, request):
     imp: BackendType = request.param