fix(http): allow HEAD on root redirect

Author: sulujulianto

app/main.py

@@ -23,6 +23,6 @@
 app.add_exception_handler(RequestValidationError, validation_exception_handler)
 
 
-@app.get("/", include_in_schema=False)
+@app.api_route("/", methods=["GET", "HEAD"], include_in_schema=False)
 async def root_redirect() -> RedirectResponse:
     return RedirectResponse(url="/docs", status_code=307)

tests/test_root.py

@@ -8,3 +8,9 @@ async def test_root_redirects_to_docs(async_client: httpx.AsyncClient) -> None:
     response = await async_client.get("/", follow_redirects=False)
     assert response.status_code in (302, 307)
     assert response.headers.get("location") == "/docs"
+
+
+async def test_head_root_redirects_to_docs(async_client: httpx.AsyncClient) -> None:
+    response = await async_client.head("/", follow_redirects=False)
+    assert response.status_code in (302, 307)
+    assert response.headers.get("location") == "/docs"