From 3a84d397fb9807f099c5ed7a6840ad512f8959c4 Mon Sep 17 00:00:00 2001
From: kumarvishwajeettrivedi <kumarvishwajeettrivedi@gmail.com>
Date: Sun, 23 Nov 2025 00:08:20 +0530
Subject: [PATCH] Test: Add coverage for BackgroundTasks collection and pragma
 for unreachable code

---
 fastapi/routing.py                 |  2 +-
 tests/test_issue_11215_coverage.py | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 tests/test_issue_11215_coverage.py

diff --git a/fastapi/routing.py b/fastapi/routing.py
index 012a79b4c..9d6759ba4 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -412,7 +412,7 @@ def get_request_handler(
                     # solved_result.background_tasks is always BackgroundTasks (from dependencies/utils.py)
                     if isinstance(solved_result.background_tasks, BackgroundTasks):
                         combined_tasks.tasks.extend(solved_result.background_tasks.tasks)
-                    elif isinstance(solved_result.background_tasks, BackgroundTask):
+                    elif isinstance(solved_result.background_tasks, BackgroundTask):  # pragma: no cover
                          # Should not happen for BackgroundTasks dependency but safe to handle
                         combined_tasks.tasks.append(solved_result.background_tasks)
                         
diff --git a/tests/test_issue_11215_coverage.py b/tests/test_issue_11215_coverage.py
new file mode 100644
index 000000000..a1134aecf
--- /dev/null
+++ b/tests/test_issue_11215_coverage.py
@@ -0,0 +1,26 @@
+from fastapi import BackgroundTasks, FastAPI
+from fastapi.testclient import TestClient
+from starlette.background import BackgroundTasks as StarletteBackgroundTasks
+from starlette.responses import Response
+
+app = FastAPI()
+
+@app.get("/")
+def endpoint(tasks: BackgroundTasks):
+    tasks.add_task(lambda: print("Dependency task"))
+    
+    response_tasks = StarletteBackgroundTasks()
+    response_tasks.add_task(lambda: print("Response task"))
+    
+    return Response(
+        content="Custom response",
+        background=response_tasks,
+    )
+
+client = TestClient(app)
+
+def test_issue_11215_response_background_tasks_collection(capsys):
+    client.get("/")
+    captured = capsys.readouterr()
+    assert "Dependency task" in captured.out
+    assert "Response task" in captured.out