Simplified tests.

tests/test_dependency_overrides_background_tasks.py

@@ -18,17 +18,14 @@ def background_task_fixture():
     return background_task
 
 
+class BackgroundTasksOverride(BackgroundTasks):
+    pass
+
+
 app = FastAPI()
 
-router = APIRouter()
 
-
-@app.get("/app")
-def app_background_tasks(background_tasks: BackgroundTasks):
-    background_tasks.add_task(background_task, type(background_tasks))
-
-
-@app.get("/overrides")
+@app.get("/endpoint")
 def app_overrides(background_tasks: BackgroundTasks):
     background_tasks.add_task(background_task, type(background_tasks))
 
@@ -42,6 +39,14 @@ def nested_dependency_override(nested: str = Depends(nested_dependency)):
     pass
 
 
+@app.get("/specify-background-tasks-dependency-with-subclass-of-BackgroundTasks")
+def explicit_background_tasks_dependency(background_tasks: BackgroundTasksOverride):
+    background_tasks.add_task(background_task, type(background_tasks))
+
+
+router = APIRouter()
+
+
 @router.get("/router-endpoint")
 def router_endpoint(background_tasks: BackgroundTasks):
     background_tasks.add_task(background_task, type(background_tasks))
@@ -60,18 +65,21 @@ def override_background_tasks(app, override_with):
 
 
 def test_normal_app_uses_standard_background_tasks():
-    client.get("/app")
+    client.get("/endpoint")
 
     background_task.assert_called_once_with(BackgroundTasks)
 
 
 @pytest.mark.parametrize(
-    "url", ["/overrides", "/nested-dependency-override", "/router-endpoint"]
+    "url",
+    [
+        "/endpoint",
+        "/nested-dependency-override",
+        "/router-endpoint",
+        "/specify-background-tasks-dependency-with-subclass-of-BackgroundTasks",
+    ],
 )
 def test_app_uses_background_task_override(url):
-    class BackgroundTasksOverride(BackgroundTasks):
-        pass
-
     background_task.reset_mock()
 
     with override_background_tasks(app, BackgroundTasksOverride):