vibe/tests/acp/test_multi_session.py
Clément Sirieix b23f49e5f4
v2.9.5 (#676)
Co-authored-by: Clément Drouin <clement.drouin@mistral.ai>
Co-authored-by: Kim-Adeline Miguel <51720070+kimadeline@users.noreply.github.com>
Co-authored-by: Mathias Gesbert <mathias.gesbert@mistral.ai>
Co-authored-by: allansimon-mistral <allan.simon@ext.mistral.ai>
Co-authored-by: Mistral Vibe <vibe@mistral.ai>
2026-05-07 13:55:56 +02:00

117 lines
4.4 KiB
Python

from __future__ import annotations
import asyncio
from pathlib import Path
from uuid import uuid4
from acp import PROTOCOL_VERSION, RequestError
from acp.schema import TextContentBlock
import pytest
from pytest import raises
from tests.mock.utils import mock_llm_chunk
from tests.stubs.fake_backend import FakeBackend
from vibe.acp.acp_agent_loop import VibeAcpAgentLoop
from vibe.core.types import Role
class TestMultiSessionCore:
@pytest.mark.asyncio
async def test_different_sessions_use_different_agents(
self, acp_agent_loop: VibeAcpAgentLoop
) -> None:
await acp_agent_loop.initialize(protocol_version=PROTOCOL_VERSION)
session1_response = await acp_agent_loop.new_session(
cwd=str(Path.cwd()), mcp_servers=[]
)
session1 = acp_agent_loop.sessions[session1_response.session_id]
session2_response = await acp_agent_loop.new_session(
cwd=str(Path.cwd()), mcp_servers=[]
)
session2 = acp_agent_loop.sessions[session2_response.session_id]
assert session1.id != session2.id
# Each agent loop should be independent
assert session1.agent_loop is not session2.agent_loop
assert id(session1.agent_loop) != id(session2.agent_loop)
@pytest.mark.asyncio
async def test_error_on_nonexistent_session(
self, acp_agent_loop: VibeAcpAgentLoop
) -> None:
await acp_agent_loop.initialize(protocol_version=PROTOCOL_VERSION)
await acp_agent_loop.new_session(cwd=str(Path.cwd()), mcp_servers=[])
fake_session_id = "fake-session-id-" + str(uuid4())
with raises(RequestError) as exc_info:
await acp_agent_loop.prompt(
session_id=fake_session_id,
prompt=[TextContentBlock(type="text", text="Hello, world!")],
)
assert isinstance(exc_info.value, RequestError)
assert exc_info.value.code == -32602
assert "Session not found" in str(exc_info.value)
@pytest.mark.asyncio
async def test_simultaneous_message_processing(
self, acp_agent_loop: VibeAcpAgentLoop, backend: FakeBackend
) -> None:
await acp_agent_loop.initialize(protocol_version=PROTOCOL_VERSION)
session1_response = await acp_agent_loop.new_session(
cwd=str(Path.cwd()), mcp_servers=[]
)
session1 = acp_agent_loop.sessions[session1_response.session_id]
session2_response = await acp_agent_loop.new_session(
cwd=str(Path.cwd()), mcp_servers=[]
)
session2 = acp_agent_loop.sessions[session2_response.session_id]
backend._streams = [
[mock_llm_chunk(content="Response 1")],
[mock_llm_chunk(content="Response 2")],
]
async def run_session1():
await acp_agent_loop.prompt(
session_id=session1.id,
prompt=[TextContentBlock(type="text", text="Prompt for session 1")],
)
async def run_session2():
await acp_agent_loop.prompt(
session_id=session2.id,
prompt=[TextContentBlock(type="text", text="Prompt for session 2")],
)
await asyncio.gather(run_session1(), run_session2())
user_message1 = next(
(msg for msg in session1.agent_loop.messages if msg.role == Role.user), None
)
assert user_message1 is not None
assert user_message1.content == "Prompt for session 1"
user_message2 = next(
(msg for msg in session2.agent_loop.messages if msg.role == Role.user), None
)
assert user_message2 is not None
assert user_message2.content == "Prompt for session 2"
# Backend stream order is non-deterministic under asyncio.gather, so
# assert that both sessions received distinct responses from the
# expected set rather than pinning a specific assignment.
assistant_message1 = next(
(msg for msg in session1.agent_loop.messages if msg.role == Role.assistant),
None,
)
assistant_message2 = next(
(msg for msg in session2.agent_loop.messages if msg.role == Role.assistant),
None,
)
assert assistant_message1 is not None
assert assistant_message2 is not None
assert {assistant_message1.content, assistant_message2.content} == {
"Response 1",
"Response 2",
}