import pytest import strands @pytest.fixture def agent(): return strands.Agent() @pytest.mark.asyncio async def test_stream_async(agent): stream = agent.stream_async("hello") exp_message = "" async for event in stream: if "event" in event and "contentBlockDelta" in event["event"]: exp_message += event["event"]["contentBlockDelta"]["delta"]["text"] tru_message = agent.messages[-1]["content"][0]["text"] assert tru_message == exp_message