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9aa5185 | 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 | """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. _pre_flushed_sessions tracking works correctly
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_cleans_pre_flushed_marker(self, idle_store):
"""When a session auto-resets, the pre_flushed marker should be discarded."""
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
idle_store._pre_flushed_sessions.add(old_sid)
# 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
# The old session_id should be removed from pre_flushed
assert old_sid not in idle_store._pre_flushed_sessions
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 TestPreFlushedSessionsTracking:
"""The _pre_flushed_sessions set should prevent double-flushing."""
def test_starts_empty(self, idle_store):
assert len(idle_store._pre_flushed_sessions) == 0
def test_add_and_check(self, idle_store):
idle_store._pre_flushed_sessions.add("sid_old")
assert "sid_old" in idle_store._pre_flushed_sessions
assert "sid_other" not in idle_store._pre_flushed_sessions
def test_discard_on_reset(self, idle_store):
"""discard should remove without raising if not present."""
idle_store._pre_flushed_sessions.add("sid_a")
idle_store._pre_flushed_sessions.discard("sid_a")
assert "sid_a" not in idle_store._pre_flushed_sessions
# discard on non-existent should not raise
idle_store._pre_flushed_sessions.discard("sid_nonexistent")
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