Files
hermes-agent/tests/test_honcho_startup_fail_open.py
2026-06-01 20:13:42 -07:00

358 lines
12 KiB
Python

"""Regression tests for Honcho startup fail-open behavior."""
from __future__ import annotations
import json
import threading
import time
from types import SimpleNamespace
from plugins.memory.honcho import HonchoMemoryProvider
class _FakeHonchoConfig(SimpleNamespace):
def resolve_session_name(self, **kwargs):
return "test-session"
def _configured_hybrid_config() -> _FakeHonchoConfig:
return _FakeHonchoConfig(
enabled=True,
api_key=None,
base_url="http://127.0.0.1:8000",
recall_mode="hybrid",
init_on_session_start=False,
dialectic_depth=1,
dialectic_depth_levels=None,
reasoning_heuristic=True,
reasoning_level_cap="high",
context_tokens=None,
message_max_chars=25000,
session_strategy="per-directory",
)
def _configured_tools_config(*, init_on_session_start: bool = False) -> _FakeHonchoConfig:
cfg = _configured_hybrid_config()
cfg.recall_mode = "tools"
cfg.init_on_session_start = init_on_session_start
return cfg
def test_honcho_hybrid_initialize_returns_without_waiting_for_session_init(monkeypatch):
"""Slow Honcho session creation must not block agent startup."""
provider = HonchoMemoryProvider()
cfg = _configured_hybrid_config()
started = threading.Event()
release = threading.Event()
monkeypatch.setattr(
"plugins.memory.honcho.client.HonchoClientConfig.from_global_config",
lambda: cfg,
)
def slow_session_init(self, cfg, session_id, **kwargs):
started.set()
release.wait(timeout=5)
self._session_initialized = True
monkeypatch.setattr(HonchoMemoryProvider, "_do_session_init", slow_session_init)
start = time.perf_counter()
provider.initialize("session-1", platform="cli")
elapsed = time.perf_counter() - start
try:
assert elapsed < 0.5
assert started.wait(timeout=1)
assert provider._session_key == "test-session"
finally:
release.set()
init_thread = getattr(provider, "_init_thread", None)
if init_thread:
init_thread.join(timeout=1)
def test_honcho_background_init_rechecks_state_after_lock_race():
"""Startup should not spawn/crash if init completes while waiting for lock."""
provider = HonchoMemoryProvider()
provider._config = _configured_hybrid_config()
provider._lazy_init_kwargs = {"platform": "cli"}
provider._lazy_init_session_id = "session-1"
class RacingLock:
def __enter__(self):
provider._session_initialized = True
provider._lazy_init_kwargs = None
return self
def __exit__(self, exc_type, exc, tb):
return False
provider._init_lock = RacingLock()
provider._start_session_init_background()
assert provider._init_thread is None
assert provider._session_initialized is True
def test_honcho_prefetch_returns_without_waiting_for_first_context_fetch():
"""First-turn context injection must fail open when Honcho is slow."""
provider = HonchoMemoryProvider()
cfg = _configured_hybrid_config()
cfg.timeout = 0.1
fetch_started = threading.Event()
class SlowManager:
def get_prefetch_context(self, session_key, user_message=None):
fetch_started.set()
time.sleep(5)
return {"representation": "late"}
def prefetch_context(self, session_key, user_message=None):
fetch_started.set()
def pop_context_result(self, session_key):
return {}
provider._config = cfg
provider._manager = SlowManager()
provider._session_key = "test-session"
provider._session_initialized = True
provider._turn_count = 1
start = time.perf_counter()
result = provider.prefetch("what do you know about me?")
elapsed = time.perf_counter() - start
assert result == ""
assert elapsed < 0.5
assert fetch_started.is_set()
def test_honcho_sync_turn_does_not_start_network_write_before_session_init():
"""Session-end sync must not create a blocking writer before init finishes."""
provider = HonchoMemoryProvider()
cfg = _configured_hybrid_config()
get_started = threading.Event()
background_started = threading.Event()
release_init = threading.Event()
class SlowManager:
def get_or_create(self, session_key):
get_started.set()
time.sleep(5)
return SimpleNamespace()
def _flush_session(self, session):
pass
provider._config = cfg
provider._manager = SlowManager()
provider._session_key = "test-session"
provider._session_initialized = False
provider._start_session_init_background = background_started.set
provider._init_thread = threading.Thread(
target=lambda: release_init.wait(timeout=5), daemon=True
)
provider._init_thread.start()
try:
provider.sync_turn("hello", "world")
assert provider._sync_thread is None
assert background_started.is_set()
assert not get_started.wait(timeout=0.1)
finally:
release_init.set()
provider._init_thread.join(timeout=1)
def test_honcho_sync_turn_waits_for_full_background_startup(monkeypatch):
"""Manager assignment alone is not readiness while background init continues."""
provider = HonchoMemoryProvider()
cfg = _configured_hybrid_config()
session_created = threading.Event()
migration_started = threading.Event()
release_migration = threading.Event()
get_calls = []
class StartupManager:
def __init__(self, *args, **kwargs):
pass
def get_or_create(self, session_key):
get_calls.append(session_key)
session_created.set()
return SimpleNamespace(messages=[])
def migrate_memory_files(self, session_key, mem_dir):
migration_started.set()
release_migration.wait(timeout=5)
def prefetch_context(self, session_key, user_message=None):
pass
def _flush_session(self, session):
pass
monkeypatch.setattr(
"plugins.memory.honcho.client.HonchoClientConfig.from_global_config",
lambda: cfg,
)
monkeypatch.setattr("plugins.memory.honcho.client.get_honcho_client", lambda cfg: object())
monkeypatch.setattr("plugins.memory.honcho.session.HonchoSessionManager", StartupManager)
provider.initialize("session-1", platform="cli")
try:
assert session_created.wait(timeout=1)
assert migration_started.wait(timeout=1)
assert provider._manager is not None
assert provider._session_initialized is False
provider.sync_turn("hello", "world")
assert provider._sync_thread is None
assert get_calls == ["test-session"]
finally:
release_migration.set()
init_thread = getattr(provider, "_init_thread", None)
if init_thread:
init_thread.join(timeout=1)
if provider._prefetch_thread:
provider._prefetch_thread.join(timeout=1)
assert provider._session_initialized is True
def test_honcho_system_prompt_advertises_active_while_background_init_runs(monkeypatch):
"""Prompt metadata should not require a completed network session."""
provider = HonchoMemoryProvider()
cfg = _configured_hybrid_config()
release = threading.Event()
monkeypatch.setattr(
"plugins.memory.honcho.client.HonchoClientConfig.from_global_config",
lambda: cfg,
)
def slow_session_init(self, cfg, session_id, **kwargs):
release.wait(timeout=5)
self._session_initialized = True
monkeypatch.setattr(HonchoMemoryProvider, "_do_session_init", slow_session_init)
provider.initialize("session-1", platform="cli")
try:
prompt = provider.system_prompt_block()
assert "Honcho Memory" in prompt
assert "hybrid mode" in prompt
finally:
release.set()
init_thread = getattr(provider, "_init_thread", None)
if init_thread:
init_thread.join(timeout=1)
def test_honcho_tools_eager_init_still_ready_on_return(monkeypatch):
"""tools + initOnSessionStart=true keeps its ready-on-return contract."""
provider = HonchoMemoryProvider()
cfg = _configured_tools_config(init_on_session_start=True)
monkeypatch.setattr(
"plugins.memory.honcho.client.HonchoClientConfig.from_global_config",
lambda: cfg,
)
def fake_session_init(self, cfg, session_id, **kwargs):
self._manager = SimpleNamespace()
self._session_key = "test-session"
self._session_initialized = True
monkeypatch.setattr(HonchoMemoryProvider, "_do_session_init", fake_session_init)
provider.initialize("session-1", platform="cli")
assert provider._session_initialized is True
assert provider._manager is not None
assert provider._init_thread is None
def test_honcho_tools_eager_init_failure_does_not_leave_ready_manager(monkeypatch):
"""Failed eager tools startup must not leave hooks seeing a ready session."""
provider = HonchoMemoryProvider()
cfg = _configured_tools_config(init_on_session_start=True)
monkeypatch.setattr(
"plugins.memory.honcho.client.HonchoClientConfig.from_global_config",
lambda: cfg,
)
def failing_session_init(self, cfg, session_id, **kwargs):
self._manager = SimpleNamespace()
self._session_key = "test-session"
raise RuntimeError("boom")
monkeypatch.setattr(HonchoMemoryProvider, "_do_session_init", failing_session_init)
provider.initialize("session-1", platform="cli")
assert provider._session_initialized is False
assert provider._manager is None
background_started = threading.Event()
provider._start_session_init_background = background_started.set
provider.sync_turn("hello", "world")
provider.on_memory_write("add", "user", "prefers safe Honcho startup")
assert provider._sync_thread is None
assert not background_started.is_set()
result = json.loads(provider.handle_tool_call("honcho_profile", {"peer": "user"}))
assert "could not be initialized" in result["error"]
assert provider._manager is None
def test_honcho_tools_lazy_hooks_do_not_prestart_background_init(monkeypatch):
"""tools lazy mode lets the first tool call own session initialization."""
provider = HonchoMemoryProvider()
cfg = _configured_tools_config(init_on_session_start=False)
monkeypatch.setattr(
"plugins.memory.honcho.client.HonchoClientConfig.from_global_config",
lambda: cfg,
)
provider.initialize("session-1", platform="cli")
background_started = threading.Event()
provider._start_session_init_background = background_started.set
provider.prefetch("what do you know?")
provider.queue_prefetch("what do you know?")
provider.sync_turn("hello", "world")
provider.on_memory_write("add", "user", "prefers fail-open memory")
assert not background_started.is_set()
assert provider._session_initialized is False
class ToolManager:
def get_peer_card(self, session_key, peer="user"):
return ["ready"]
init_calls = []
def fake_session_init(self, cfg, session_id, **kwargs):
init_calls.append(session_id)
self._manager = ToolManager()
self._session_key = "test-session"
self._session_initialized = True
monkeypatch.setattr(HonchoMemoryProvider, "_do_session_init", fake_session_init)
result = json.loads(provider.handle_tool_call("honcho_profile", {"peer": "user"}))
assert result == {"result": ["ready"]}
assert init_calls == ["session-1"]
assert not background_started.is_set()