fix test lifespan on prod

Author: adhami3310

reflex/testing.py

@@ -23,7 +23,7 @@
 from http.server import SimpleHTTPRequestHandler
 from importlib.util import find_spec
 from pathlib import Path
-from typing import TYPE_CHECKING, Any, Literal, TypeVar
+from typing import TYPE_CHECKING, Any, Literal, Self, TypeVar
 
 import uvicorn
 
@@ -131,7 +131,7 @@ def create(
             Callable[[], None] | types.ModuleType | str | functools.partial[Any] | None
         ) = None,
         app_name: str | None = None,
-    ) -> AppHarness:
+    ) -> Self:
         """Create an AppHarness instance at root.
 
         Args:
@@ -453,7 +453,7 @@ def consume_frontend_output():
         self.frontend_output_thread = threading.Thread(target=consume_frontend_output)
         self.frontend_output_thread.start()
 
-    def start(self) -> AppHarness:
+    def start(self) -> Self:
         """Start the backend in a new thread and dev frontend as a separate process.
 
         Returns:
@@ -482,7 +482,7 @@ def get_app_global_source(key: str, value: Any):
             return f"{key} = {value!r}"
         return inspect.getsource(value)
 
-    def __enter__(self) -> AppHarness:
+    def __enter__(self) -> Self:
         """Contextmanager protocol for `start()`.
 
         Returns:

tests/integration/test_lifespan.py

@@ -99,7 +99,9 @@ def index():
 
 
 @pytest.fixture(
-    params=[False, True], ids=["no_api_transformer", "mount_api_transformer"]
+    scope="session",
+    params=[False, True],
+    ids=["no_api_transformer", "mount_api_transformer"],
 )
 def mount_api_transformer(request: pytest.FixtureRequest) -> bool:
     """Whether to use api_transformer in the app.
@@ -113,7 +115,9 @@ def mount_api_transformer(request: pytest.FixtureRequest) -> bool:
     return request.param
 
 
-@pytest.fixture(params=[False, True], ids=["no_fastapi", "mount_cached_fastapi"])
+@pytest.fixture(
+    scope="session", params=[False, True], ids=["no_fastapi", "mount_cached_fastapi"]
+)
 def mount_cached_fastapi(request: pytest.FixtureRequest) -> bool:
     """Whether to use cached FastAPI in the app (app.api).
 
@@ -126,22 +130,26 @@ def mount_cached_fastapi(request: pytest.FixtureRequest) -> bool:
     return request.param
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def lifespan_app(
-    tmp_path, mount_api_transformer: bool, mount_cached_fastapi: bool
+    tmp_path_factory: pytest.TempPathFactory,
+    app_harness_env: type[AppHarness],
+    mount_api_transformer: bool,
+    mount_cached_fastapi: bool,
 ) -> Generator[AppHarness, None, None]:
     """Start LifespanApp app at tmp_path via AppHarness.
 
     Args:
-        tmp_path: pytest tmp_path fixture
+        tmp_path_factory: pytest tmp_path_factory fixture
+        app_harness_env: AppHarness environment
         mount_api_transformer: Whether to mount the API transformer.
         mount_cached_fastapi: Whether to mount the cached FastAPI app.
 
     Yields:
         running AppHarness instance
     """
-    with AppHarness.create(
-        root=tmp_path,
+    with app_harness_env.create(
+        root=tmp_path_factory.mktemp("lifespan_app"),
         app_source=functools.partial(
             LifespanApp,
             mount_cached_fastapi=mount_cached_fastapi,