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b5b9c2e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 | """Tests for proactive memory flush on session expiry.
Verifies that:
1. _is_session_expired() works from a SessionEntry alone (no source needed)
2. The sync callback is no longer called in get_or_create_session
3. memory_flushed flag persists across save/load cycles (prevents restart re-flush)
4. The background watcher can detect expired sessions
"""
import pytest
from datetime import datetime, timedelta
from pathlib import Path
from unittest.mock import patch, MagicMock
from gateway.config import Platform, GatewayConfig, SessionResetPolicy
from gateway.session import SessionSource, SessionStore, SessionEntry
@pytest.fixture()
def idle_store(tmp_path):
"""SessionStore with a 60-minute idle reset policy."""
config = GatewayConfig(
default_reset_policy=SessionResetPolicy(mode="idle", idle_minutes=60),
)
with patch("gateway.session.SessionStore._ensure_loaded"):
s = SessionStore(sessions_dir=tmp_path, config=config)
s._db = None
s._loaded = True
return s
@pytest.fixture()
def no_reset_store(tmp_path):
"""SessionStore with no reset policy (mode=none)."""
config = GatewayConfig(
default_reset_policy=SessionResetPolicy(mode="none"),
)
with patch("gateway.session.SessionStore._ensure_loaded"):
s = SessionStore(sessions_dir=tmp_path, config=config)
s._db = None
s._loaded = True
return s
class TestIsSessionExpired:
"""_is_session_expired should detect expiry from entry alone."""
def test_idle_session_expired(self, idle_store):
entry = SessionEntry(
session_key="agent:main:telegram:dm",
session_id="sid_1",
created_at=datetime.now() - timedelta(hours=3),
updated_at=datetime.now() - timedelta(minutes=120),
platform=Platform.TELEGRAM,
chat_type="dm",
)
assert idle_store._is_session_expired(entry) is True
def test_active_session_not_expired(self, idle_store):
entry = SessionEntry(
session_key="agent:main:telegram:dm",
session_id="sid_2",
created_at=datetime.now() - timedelta(hours=1),
updated_at=datetime.now() - timedelta(minutes=10),
platform=Platform.TELEGRAM,
chat_type="dm",
)
assert idle_store._is_session_expired(entry) is False
def test_none_mode_never_expires(self, no_reset_store):
entry = SessionEntry(
session_key="agent:main:telegram:dm",
session_id="sid_3",
created_at=datetime.now() - timedelta(days=30),
updated_at=datetime.now() - timedelta(days=30),
platform=Platform.TELEGRAM,
chat_type="dm",
)
assert no_reset_store._is_session_expired(entry) is False
def test_active_processes_prevent_expiry(self, idle_store):
"""Sessions with active background processes should never expire."""
idle_store._has_active_processes_fn = lambda key: True
entry = SessionEntry(
session_key="agent:main:telegram:dm",
session_id="sid_4",
created_at=datetime.now() - timedelta(hours=5),
updated_at=datetime.now() - timedelta(hours=5),
platform=Platform.TELEGRAM,
chat_type="dm",
)
assert idle_store._is_session_expired(entry) is False
def test_daily_mode_expired(self, tmp_path):
"""Daily mode should expire sessions from before today's reset hour."""
config = GatewayConfig(
default_reset_policy=SessionResetPolicy(mode="daily", at_hour=4),
)
with patch("gateway.session.SessionStore._ensure_loaded"):
store = SessionStore(sessions_dir=tmp_path, config=config)
store._db = None
store._loaded = True
entry = SessionEntry(
session_key="agent:main:telegram:dm",
session_id="sid_5",
created_at=datetime.now() - timedelta(days=2),
updated_at=datetime.now() - timedelta(days=2),
platform=Platform.TELEGRAM,
chat_type="dm",
)
assert store._is_session_expired(entry) is True
class TestGetOrCreateSessionNoCallback:
"""get_or_create_session should NOT call a sync flush callback."""
def test_auto_reset_creates_new_session_after_flush(self, idle_store):
"""When a flushed session auto-resets, a new session_id is created."""
source = SessionSource(
platform=Platform.TELEGRAM,
chat_id="123",
chat_type="dm",
)
# Create initial session
entry1 = idle_store.get_or_create_session(source)
old_sid = entry1.session_id
# Simulate the watcher having flushed it
entry1.memory_flushed = True
# Simulate the session going idle
entry1.updated_at = datetime.now() - timedelta(minutes=120)
idle_store._save()
# Next call should auto-reset
entry2 = idle_store.get_or_create_session(source)
assert entry2.session_id != old_sid
assert entry2.was_auto_reset is True
# New session starts with memory_flushed=False
assert entry2.memory_flushed is False
def test_no_sync_callback_invoked(self, idle_store):
"""No synchronous callback should block during auto-reset."""
source = SessionSource(
platform=Platform.TELEGRAM,
chat_id="123",
chat_type="dm",
)
entry1 = idle_store.get_or_create_session(source)
entry1.updated_at = datetime.now() - timedelta(minutes=120)
idle_store._save()
# Verify no _on_auto_reset attribute
assert not hasattr(idle_store, '_on_auto_reset')
# This should NOT block (no sync LLM call)
entry2 = idle_store.get_or_create_session(source)
assert entry2.was_auto_reset is True
class TestMemoryFlushedFlag:
"""The memory_flushed flag on SessionEntry prevents double-flushing."""
def test_defaults_to_false(self):
entry = SessionEntry(
session_key="agent:main:telegram:dm:123",
session_id="sid_new",
created_at=datetime.now(),
updated_at=datetime.now(),
platform=Platform.TELEGRAM,
chat_type="dm",
)
assert entry.memory_flushed is False
def test_persists_through_save_load(self, idle_store):
"""memory_flushed=True must survive a save/load cycle (simulates restart)."""
key = "agent:main:discord:thread:789"
entry = SessionEntry(
session_key=key,
session_id="sid_flushed",
created_at=datetime.now() - timedelta(hours=5),
updated_at=datetime.now() - timedelta(hours=5),
platform=Platform.DISCORD,
chat_type="thread",
memory_flushed=True,
)
idle_store._entries[key] = entry
idle_store._save()
# Simulate restart: clear in-memory state, reload from disk
idle_store._entries.clear()
idle_store._loaded = False
idle_store._ensure_loaded()
reloaded = idle_store._entries[key]
assert reloaded.memory_flushed is True
def test_unflushed_entry_survives_restart_as_unflushed(self, idle_store):
"""An entry without memory_flushed stays False after reload."""
key = "agent:main:telegram:dm:456"
entry = SessionEntry(
session_key=key,
session_id="sid_not_flushed",
created_at=datetime.now() - timedelta(hours=2),
updated_at=datetime.now() - timedelta(hours=2),
platform=Platform.TELEGRAM,
chat_type="dm",
)
idle_store._entries[key] = entry
idle_store._save()
idle_store._entries.clear()
idle_store._loaded = False
idle_store._ensure_loaded()
reloaded = idle_store._entries[key]
assert reloaded.memory_flushed is False
def test_roundtrip_to_dict_from_dict(self):
"""to_dict/from_dict must preserve memory_flushed."""
entry = SessionEntry(
session_key="agent:main:telegram:dm:999",
session_id="sid_rt",
created_at=datetime.now(),
updated_at=datetime.now(),
platform=Platform.TELEGRAM,
chat_type="dm",
memory_flushed=True,
)
d = entry.to_dict()
assert d["memory_flushed"] is True
restored = SessionEntry.from_dict(d)
assert restored.memory_flushed is True
def test_legacy_entry_without_field_defaults_false(self):
"""Old sessions.json entries missing memory_flushed should default to False."""
data = {
"session_key": "agent:main:telegram:dm:legacy",
"session_id": "sid_legacy",
"created_at": datetime.now().isoformat(),
"updated_at": datetime.now().isoformat(),
"platform": "telegram",
"chat_type": "dm",
# no memory_flushed key
}
entry = SessionEntry.from_dict(data)
assert entry.memory_flushed is False
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