Update zttp to 0.0.22 (#3063)

Author: Kludex

pyproject.toml

@@ -70,7 +70,7 @@ dev = [
     # Explicit optionals,
     "a2wsgi==1.10.10",
     "wsproto==1.3.2",
-    "zttp==0.0.20; python_version >= '3.12'",
+    "zttp==0.0.22; python_version >= '3.12'",
 ]
 docs = [
     "zensical==0.0.43",
@@ -84,7 +84,7 @@ exclude-newer = "7 days"
 
 [tool.uv.exclude-newer-package]
 httptools = "2026-05-26"
-zttp = "2026-07-28"
+zttp = "2026-08-13"
 
 [project.scripts]
 uvicorn = "uvicorn.main:main"

tests/protocols/test_http.py

@@ -12,7 +12,7 @@
 
 from tests.response import Response
 from uvicorn import Server
-from uvicorn._types import ASGIApplication, ASGIReceiveCallable, ASGISendCallable, Scope
+from uvicorn._types import ASGIApplication, ASGIReceiveCallable, ASGIReceiveEvent, ASGISendCallable, Scope
 from uvicorn.config import WS_PROTOCOLS, Config
 from uvicorn.lifespan.off import LifespanOff
 from uvicorn.lifespan.on import LifespanOn
@@ -387,6 +387,22 @@ async def app(scope: Scope, receive: ASGIReceiveCallable, send: ASGISendCallable
     assert b'Body: {"hello": "world"}' in protocol.transport.buffer
 
 
+async def test_bodyless_request_receive(http_protocol_cls: type[HTTPProtocol]):
+    request_message: ASGIReceiveEvent | None = None
+
+    async def app(scope: Scope, receive: ASGIReceiveCallable, send: ASGISendCallable):
+        nonlocal request_message
+        request_message = await receive()
+        response = Response(b"", status_code=204)
+        await response(scope, receive, send)
+
+    protocol = get_connected_protocol(app, http_protocol_cls)
+    protocol.data_received(SIMPLE_GET_REQUEST)
+    await protocol.loop.run_one()
+
+    assert request_message == {"type": "http.request", "body": b"", "more_body": False}
+
+
 async def test_keepalive(http_protocol_cls: type[HTTPProtocol]):
     app = Response(b"", status_code=204)