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131 lines
5.0 KiB
Python
131 lines
5.0 KiB
Python
"""Tests for structured tool-event progress metadata emitted by AgentLoop."""
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from pathlib import Path
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from unittest.mock import AsyncMock, MagicMock
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import pytest
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from nanobot.agent.loop import AgentLoop
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from nanobot.bus.events import InboundMessage
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from nanobot.bus.queue import MessageBus
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from nanobot.providers.base import LLMResponse, ToolCallRequest
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def _make_loop(tmp_path: Path) -> AgentLoop:
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bus = MessageBus()
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provider = MagicMock()
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provider.get_default_model.return_value = "test-model"
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return AgentLoop(bus=bus, provider=provider, workspace=tmp_path, model="test-model")
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class TestToolEventProgress:
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"""_run_agent_loop emits structured tool_events via on_progress."""
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@pytest.mark.asyncio
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async def test_start_and_finish_events_emitted(self, tmp_path: Path) -> None:
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loop = _make_loop(tmp_path)
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tool_call = ToolCallRequest(id="call1", name="custom_tool", arguments={"path": "foo.txt"})
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calls = iter([
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LLMResponse(content="Visible", tool_calls=[tool_call]),
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LLMResponse(content="Done", tool_calls=[]),
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])
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loop.provider.chat_with_retry = AsyncMock(side_effect=lambda *a, **kw: next(calls))
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loop.tools.get_definitions = MagicMock(return_value=[])
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loop.tools.prepare_call = MagicMock(return_value=(None, {"path": "foo.txt"}, None))
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loop.tools.execute = AsyncMock(return_value="ok")
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progress: list[tuple[str, bool, list[dict] | None]] = []
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async def on_progress(
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content: str,
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*,
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tool_hint: bool = False,
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tool_events: list[dict] | None = None,
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) -> None:
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progress.append((content, tool_hint, tool_events))
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final_content, _, _, _, _ = await loop._run_agent_loop([], on_progress=on_progress)
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assert final_content == "Done"
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assert progress == [
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("Visible", False, None),
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(
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'custom_tool("foo.txt")',
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True,
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[{
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"version": 1,
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"phase": "start",
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"call_id": "call1",
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"name": "custom_tool",
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"arguments": {"path": "foo.txt"},
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"result": None,
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"error": None,
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"files": [],
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"embeds": [],
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}],
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),
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(
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"",
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False,
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[{
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"version": 1,
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"phase": "end",
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"call_id": "call1",
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"name": "custom_tool",
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"arguments": {"path": "foo.txt"},
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"result": "ok",
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"error": None,
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"files": [],
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"embeds": [],
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}],
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),
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]
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@pytest.mark.asyncio
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async def test_bus_progress_forwards_tool_events_to_outbound_metadata(self, tmp_path: Path) -> None:
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"""When run() handles a bus message, _tool_events lands in OutboundMessage metadata."""
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bus = MessageBus()
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provider = MagicMock()
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provider.get_default_model.return_value = "test-model"
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loop = AgentLoop(bus=bus, provider=provider, workspace=tmp_path, model="test-model")
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tool_call = ToolCallRequest(id="tc1", name="exec", arguments={"command": "ls"})
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calls = iter([
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LLMResponse(content="", tool_calls=[tool_call]),
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LLMResponse(content="Done", tool_calls=[]),
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])
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loop.provider.chat_with_retry = AsyncMock(side_effect=lambda *a, **kw: next(calls))
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loop.tools.get_definitions = MagicMock(return_value=[])
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loop.tools.prepare_call = MagicMock(return_value=(None, {"command": "ls"}, None))
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loop.tools.execute = AsyncMock(return_value="file.txt")
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msg = InboundMessage(
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channel="telegram",
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sender_id="u1",
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chat_id="chat1",
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content="run ls",
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)
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await loop._dispatch(msg)
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# Drain all outbound messages and find the one carrying _tool_events
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outbound = []
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while bus.outbound_size > 0:
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outbound.append(await bus.consume_outbound())
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tool_event_msgs = [m for m in outbound if m.metadata and m.metadata.get("_tool_events")]
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assert tool_event_msgs, "expected at least one outbound message with _tool_events"
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start_msgs = [m for m in tool_event_msgs if m.metadata["_tool_events"][0]["phase"] == "start"]
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finish_msgs = [m for m in tool_event_msgs if m.metadata["_tool_events"][0]["phase"] in ("end", "error")]
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assert start_msgs, "expected a start-phase tool event"
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assert finish_msgs, "expected a finish-phase tool event"
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start = start_msgs[0].metadata["_tool_events"][0]
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assert start["name"] == "exec"
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assert start["call_id"] == "tc1"
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assert start["result"] is None
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finish = finish_msgs[0].metadata["_tool_events"][0]
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assert finish["phase"] == "end"
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assert finish["result"] == "file.txt"
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