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66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
from typing import Any, Mapping, Sequence
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import pytest
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from agnext.application import SingleThreadedAgentRuntime
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from agnext.core import BaseAgent, CancellationToken
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class StatefulAgent(BaseAgent):
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def __init__(self) -> None:
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super().__init__("A stateful agent", [])
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self.state = 0
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@property
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def subscriptions(self) -> Sequence[type]:
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return []
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async def on_message(self, message: Any, cancellation_token: CancellationToken) -> None:
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raise NotImplementedError
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def save_state(self) -> Mapping[str, Any]:
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return {"state": self.state}
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def load_state(self, state: Mapping[str, Any]) -> None:
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self.state = state["state"]
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@pytest.mark.asyncio
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async def test_agent_can_save_state() -> None:
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runtime = SingleThreadedAgentRuntime()
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agent1_id = await runtime.register_and_get("name1", StatefulAgent)
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agent1: StatefulAgent = await runtime.try_get_underlying_agent_instance(agent1_id, type=StatefulAgent)
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assert agent1.state == 0
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agent1.state = 1
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assert agent1.state == 1
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agent1_state = agent1.save_state()
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agent1.state = 2
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assert agent1.state == 2
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agent1.load_state(agent1_state)
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assert agent1.state == 1
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@pytest.mark.asyncio
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async def test_runtime_can_save_state() -> None:
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runtime = SingleThreadedAgentRuntime()
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agent1_id = await runtime.register_and_get("name1", StatefulAgent)
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agent1: StatefulAgent = await runtime.try_get_underlying_agent_instance(agent1_id, type=StatefulAgent)
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assert agent1.state == 0
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agent1.state = 1
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assert agent1.state == 1
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runtime_state = await runtime.save_state()
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runtime2 = SingleThreadedAgentRuntime()
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agent2_id = await runtime2.register_and_get("name1", StatefulAgent)
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agent2: StatefulAgent = await runtime2.try_get_underlying_agent_instance(agent2_id, type=StatefulAgent)
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await runtime2.load_state(runtime_state)
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assert agent2.state == 1
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