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| | 1 | +"""Tests for the runtime-owned conversational fast path.""" |
| | 2 | + |
| | 3 | +from __future__ import annotations |
| | 4 | + |
| | 5 | +from pathlib import Path |
| | 6 | + |
| | 7 | +import pytest |
| | 8 | + |
| | 9 | +from loader.agent.loop import Agent, AgentConfig |
| | 10 | +from loader.llm.base import StreamChunk |
| | 11 | +from loader.runtime.chat_lane import CHAT_SYSTEM_PROMPT, ConversationalTurnRunner |
| | 12 | +from loader.runtime.launcher import build_runtime_launcher |
| | 13 | +from tests.helpers.runtime_harness import ScriptedBackend |
| | 14 | + |
| | 15 | + |
| | 16 | +@pytest.mark.asyncio |
| | 17 | +async def test_conversational_turn_runner_streams_and_persists_history( |
| | 18 | + temp_dir: Path, |
| | 19 | +) -> None: |
| | 20 | + agent = Agent( |
| | 21 | + backend=ScriptedBackend( |
| | 22 | + streams=[ |
| | 23 | + [ |
| | 24 | + StreamChunk(content="Hello ", is_done=False), |
| | 25 | + StreamChunk( |
| | 26 | + content="back.", |
| | 27 | + full_content="Hello back.", |
| | 28 | + is_done=True, |
| | 29 | + ), |
| | 30 | + ] |
| | 31 | + ] |
| | 32 | + ), |
| | 33 | + config=AgentConfig(auto_context=False), |
| | 34 | + project_root=temp_dir, |
| | 35 | + ) |
| | 36 | + runner = ConversationalTurnRunner(agent) |
| | 37 | + events = [] |
| | 38 | + |
| | 39 | + async def emit(event) -> None: |
| | 40 | + events.append(event) |
| | 41 | + |
| | 42 | + response = await runner.run("hello there", emit) |
| | 43 | + |
| | 44 | + assert response == "Hello back." |
| | 45 | + assert [event.type for event in events] == ["thinking", "stream", "stream", "response"] |
| | 46 | + assert agent.session.messages[-2].content == "hello there" |
| | 47 | + assert agent.session.messages[-1].content == "Hello back." |
| | 48 | + assert agent.backend.invocations[0].messages[0].content == CHAT_SYSTEM_PROMPT |
| | 49 | + |
| | 50 | + |
| | 51 | +@pytest.mark.asyncio |
| | 52 | +async def test_runtime_launcher_runs_conversational_fast_path( |
| | 53 | + temp_dir: Path, |
| | 54 | +) -> None: |
| | 55 | + agent = Agent( |
| | 56 | + backend=ScriptedBackend( |
| | 57 | + streams=[ |
| | 58 | + [ |
| | 59 | + StreamChunk(content="Quick ", is_done=False), |
| | 60 | + StreamChunk( |
| | 61 | + content="reply.", |
| | 62 | + full_content="Quick reply.", |
| | 63 | + is_done=True, |
| | 64 | + ), |
| | 65 | + ] |
| | 66 | + ] |
| | 67 | + ), |
| | 68 | + config=AgentConfig(auto_context=False), |
| | 69 | + project_root=temp_dir, |
| | 70 | + ) |
| | 71 | + launcher = build_runtime_launcher(agent) |
| | 72 | + events = [] |
| | 73 | + |
| | 74 | + async def emit(event) -> None: |
| | 75 | + events.append(event) |
| | 76 | + |
| | 77 | + response = await launcher.run_conversational("thanks", emit) |
| | 78 | + |
| | 79 | + assert response == "Quick reply." |
| | 80 | + assert any(event.type == "response" and event.content == "Quick reply." for event in events) |
