nanobot/tests/agent/test_dream_session.py
2026-06-04 19:41:32 +08:00

69 lines
2.5 KiB
Python

"""Tests for Dream session key generation and rotation."""
from datetime import datetime, timedelta
from unittest.mock import patch
from nanobot.agent.memory import MemoryStore
class TestDreamSessionKey:
def test_contains_timestamp(self):
key = MemoryStore.dream_session_key()
assert key.startswith("dream:")
ts_part = key.split(":", 1)[1]
datetime.strptime(ts_part, "%Y%m%d-%H%M%S")
def test_unique_across_calls(self):
now = datetime(2026, 5, 28, 10, 0, 0)
with patch("nanobot.agent.memory.datetime") as mock_dt:
mock_dt.now.side_effect = [now, now + timedelta(seconds=1)]
k1 = MemoryStore.dream_session_key()
k2 = MemoryStore.dream_session_key()
assert k1 != k2
class TestPruneDreamSessions:
def test_keeps_n_most_recent(self, tmp_path):
sessions_dir = tmp_path / "sessions"
sessions_dir.mkdir()
for i in range(15):
key = f"dream:20260528-{100000 + i:06d}"
safe_key = key.replace(":", "_")
path = sessions_dir / f"{safe_key}.jsonl"
path.write_text(
f'{{"_type": "metadata", "key": "{key}", '
f'"created_at": "2026-05-28T10:00:{i:02d}", '
f'"updated_at": "2026-05-28T10:00:{i:02d}"}}\n',
encoding="utf-8",
)
normal_path = sessions_dir / "telegram_123.jsonl"
normal_path.write_text('{"_type": "metadata"}\n', encoding="utf-8")
MemoryStore.prune_dream_sessions(sessions_dir, keep=10)
dream_files = sorted(sessions_dir.glob("dream_*.jsonl"))
assert len(dream_files) == 10
remaining_keys = [f.stem for f in dream_files]
assert "dream_20260528-100000" not in remaining_keys
assert "dream_20260528-100014" in remaining_keys
assert normal_path.exists()
def test_noop_when_under_limit(self, tmp_path):
sessions_dir = tmp_path / "sessions"
sessions_dir.mkdir()
for i in range(3):
key = f"dream:20260528-{100000 + i:06d}"
safe_key = key.replace(":", "_")
(sessions_dir / f"{safe_key}.jsonl").write_text("{}", encoding="utf-8")
MemoryStore.prune_dream_sessions(sessions_dir, keep=10)
assert len(list(sessions_dir.glob("dream_*.jsonl"))) == 3
def test_empty_dir_noop(self, tmp_path):
sessions_dir = tmp_path / "sessions"
sessions_dir.mkdir()
MemoryStore.prune_dream_sessions(sessions_dir, keep=10)
assert list(sessions_dir.iterdir()) == []