hermes-agent/tests/test_trajectory_compressor_async.py

200 lines
7.7 KiB
Python

"""Tests for trajectory_compressor AsyncOpenAI event loop binding.
The AsyncOpenAI client was created once at __init__ time and stored as an
instance attribute. When process_directory() calls asyncio.run() — which
creates and closes a fresh event loop — the client's internal httpx
transport remains bound to the now-closed loop. A second call to
process_directory() would fail with "Event loop is closed".
The fix creates the AsyncOpenAI client lazily via _get_async_client() so
each asyncio.run() gets a client bound to the current loop.
"""
import types
from types import SimpleNamespace
from unittest.mock import MagicMock, patch
import pytest
class TestAsyncClientLazyCreation:
"""trajectory_compressor.py — _get_async_client()"""
def test_async_client_none_after_init(self):
"""async_client should be None after __init__ (not eagerly created)."""
from trajectory_compressor import TrajectoryCompressor
comp = TrajectoryCompressor.__new__(TrajectoryCompressor)
comp.config = MagicMock()
comp.config.base_url = "https://api.example.com/v1"
comp.config.api_key_env = "TEST_API_KEY"
comp._use_call_llm = False
comp.async_client = None
comp._async_client_api_key = "test-key"
assert comp.async_client is None
def test_get_async_client_creates_new_client(self):
"""_get_async_client() should create a fresh AsyncOpenAI instance."""
from trajectory_compressor import TrajectoryCompressor
comp = TrajectoryCompressor.__new__(TrajectoryCompressor)
comp.config = MagicMock()
comp.config.base_url = "https://api.example.com/v1"
comp._async_client_api_key = "test-key"
comp.async_client = None
mock_async_openai = MagicMock()
with patch("openai.AsyncOpenAI", mock_async_openai):
client = comp._get_async_client()
mock_async_openai.assert_called_once_with(
api_key="test-key",
base_url="https://api.example.com/v1",
)
assert comp.async_client is not None
def test_get_async_client_creates_fresh_each_call(self):
"""Each call to _get_async_client() creates a NEW client instance,
so it binds to the current event loop."""
from trajectory_compressor import TrajectoryCompressor
comp = TrajectoryCompressor.__new__(TrajectoryCompressor)
comp.config = MagicMock()
comp.config.base_url = "https://api.example.com/v1"
comp._async_client_api_key = "test-key"
comp.async_client = None
call_count = 0
instances = []
def mock_constructor(**kwargs):
nonlocal call_count
call_count += 1
instance = MagicMock()
instances.append(instance)
return instance
with patch("openai.AsyncOpenAI", side_effect=mock_constructor):
client1 = comp._get_async_client()
client2 = comp._get_async_client()
# Should have created two separate instances
assert call_count == 2
assert instances[0] is not instances[1]
class TestSourceLineVerification:
"""Verify the actual source has the lazy pattern applied."""
@staticmethod
def _read_file() -> str:
import os
base = os.path.dirname(os.path.dirname(__file__))
with open(os.path.join(base, "trajectory_compressor.py")) as f:
return f.read()
def test_no_eager_async_openai_in_init(self):
"""__init__ should NOT create AsyncOpenAI eagerly."""
src = self._read_file()
# The old pattern: self.async_client = AsyncOpenAI(...) in _init_summarizer
# should not exist — only self.async_client = None
lines = src.split("\n")
for i, line in enumerate(lines, 1):
if "self.async_client = AsyncOpenAI(" in line and "_get_async_client" not in lines[max(0,i-3):i+1]:
# Allow it inside _get_async_client method
# Check if we're inside _get_async_client by looking at context
context = "\n".join(lines[max(0,i-20):i+1])
if "_get_async_client" not in context:
pytest.fail(
f"Line {i}: AsyncOpenAI created eagerly outside _get_async_client()"
)
def test_get_async_client_method_exists(self):
"""_get_async_client method should exist."""
src = self._read_file()
assert "def _get_async_client(self)" in src
@pytest.mark.asyncio
async def test_generate_summary_async_custom_client_forces_kimi_temperature():
from trajectory_compressor import CompressionConfig, TrajectoryCompressor, TrajectoryMetrics
config = CompressionConfig(
summarization_model="kimi-for-coding",
temperature=0.3,
summary_target_tokens=100,
max_retries=1,
)
compressor = TrajectoryCompressor.__new__(TrajectoryCompressor)
compressor.config = config
compressor.logger = MagicMock()
compressor._use_call_llm = False
async_client = MagicMock()
async_client.chat.completions.create = MagicMock(return_value=SimpleNamespace(
choices=[SimpleNamespace(message=SimpleNamespace(content="[CONTEXT SUMMARY]: summary"))]
))
compressor._get_async_client = MagicMock(return_value=async_client)
metrics = TrajectoryMetrics()
result = await compressor._generate_summary_async("tool output", metrics)
assert result.startswith("[CONTEXT SUMMARY]:")
assert async_client.chat.completions.create.call_args.kwargs["temperature"] == 0.6
@pytest.mark.asyncio
async def test_generate_summary_async_public_moonshot_kimi_k2_5_forces_temperature_1():
from trajectory_compressor import CompressionConfig, TrajectoryCompressor, TrajectoryMetrics
config = CompressionConfig(
summarization_model="kimi-k2.5",
base_url="https://api.moonshot.ai/v1",
temperature=0.3,
summary_target_tokens=100,
max_retries=1,
)
compressor = TrajectoryCompressor.__new__(TrajectoryCompressor)
compressor.config = config
compressor.logger = MagicMock()
compressor._use_call_llm = False
async_client = MagicMock()
async_client.chat.completions.create = MagicMock(return_value=SimpleNamespace(
choices=[SimpleNamespace(message=SimpleNamespace(content="[CONTEXT SUMMARY]: summary"))]
))
compressor._get_async_client = MagicMock(return_value=async_client)
metrics = TrajectoryMetrics()
result = await compressor._generate_summary_async("tool output", metrics)
assert result.startswith("[CONTEXT SUMMARY]:")
assert async_client.chat.completions.create.call_args.kwargs["temperature"] == 1.0
@pytest.mark.asyncio
async def test_generate_summary_async_public_moonshot_cn_kimi_k2_5_forces_temperature_1():
from trajectory_compressor import CompressionConfig, TrajectoryCompressor, TrajectoryMetrics
config = CompressionConfig(
summarization_model="kimi-k2.5",
base_url="https://api.moonshot.cn/v1",
temperature=0.3,
summary_target_tokens=100,
max_retries=1,
)
compressor = TrajectoryCompressor.__new__(TrajectoryCompressor)
compressor.config = config
compressor.logger = MagicMock()
compressor._use_call_llm = False
async_client = MagicMock()
async_client.chat.completions.create = MagicMock(return_value=SimpleNamespace(
choices=[SimpleNamespace(message=SimpleNamespace(content="[CONTEXT SUMMARY]: summary"))]
))
compressor._get_async_client = MagicMock(return_value=async_client)
metrics = TrajectoryMetrics()
result = await compressor._generate_summary_async("tool output", metrics)
assert result.startswith("[CONTEXT SUMMARY]:")
assert async_client.chat.completions.create.call_args.kwargs["temperature"] == 1.0