diff --git a/litellm/a2a_protocol/providers/bedrock_agentcore/handler.py b/litellm/a2a_protocol/providers/bedrock_agentcore/handler.py index 306a8871b12..da5eb522187 100644 --- a/litellm/a2a_protocol/providers/bedrock_agentcore/handler.py +++ b/litellm/a2a_protocol/providers/bedrock_agentcore/handler.py @@ -98,7 +98,7 @@ class BedrockAgentCoreA2AHandler: request_id=request_id, params=params, litellm_params=litellm_params, - method="message/send", + method="message/stream", stream=True, agent_extra_headers=agent_extra_headers, ) diff --git a/tests/test_litellm/a2a_protocol/providers/bedrock_agentcore/test_bedrock_agentcore_a2a.py b/tests/test_litellm/a2a_protocol/providers/bedrock_agentcore/test_bedrock_agentcore_a2a.py index a8fe464ec32..256d73e3612 100644 --- a/tests/test_litellm/a2a_protocol/providers/bedrock_agentcore/test_bedrock_agentcore_a2a.py +++ b/tests/test_litellm/a2a_protocol/providers/bedrock_agentcore/test_bedrock_agentcore_a2a.py @@ -605,6 +605,38 @@ class TestNonStreaming: assert result["error"]["message"] == "Bad request" +class TestStreaming: + """Streaming requests must ask AgentCore for a stream, not a single send.""" + + @pytest.mark.asyncio + async def test_streaming_request_uses_message_stream_method_and_yields_sse_events(self, httpx_transport): + from litellm.a2a_protocol.providers.bedrock_agentcore.config import ( + BedrockAgentCoreA2AConfig, + ) + + sse_body = ( + 'data: {"jsonrpc": "2.0", "id": "req-001", "result": {"kind": "task", "id": "t1"}}\n\n' + 'data: {"jsonrpc": "2.0", "id": "req-001", "result": {"kind": "status-update", "final": true}}\n\n' + ) + with respx.mock(assert_all_called=True) as router: + route = router.post(url__regex=r".*/invocations.*").mock( + return_value=httpx.Response(200, headers={"content-type": "text/event-stream"}, text=sse_body) + ) + events = [ + event + async for event in BedrockAgentCoreA2AConfig().handle_streaming( + request_id="req-001", + params=SAMPLE_PARAMS, + litellm_params=SAMPLE_LITELLM_PARAMS, + ) + ] + + sent_body = json.loads(route.calls.last.request.content) + assert sent_body["method"] == "message/stream", sent_body + assert sent_body["params"]["message"]["messageId"] == "msg-001" + assert [event["result"]["kind"] for event in events] == ["task", "status-update"] + + class TestConfigManager: """Test that config manager routes 'bedrock' correctly."""