hermes-agent/tests/gateway/test_retry_replacement.py

152 lines
6.2 KiB
Python

"""Regression tests for /retry replacement semantics."""
from unittest.mock import AsyncMock, MagicMock
import pytest
from gateway.config import GatewayConfig
from gateway.platforms.base import MessageEvent, MessageType
from gateway.run import GatewayRunner
from gateway.session import SessionStore
@pytest.mark.asyncio
async def test_gateway_retry_replaces_last_user_turn_in_transcript(tmp_path, monkeypatch):
# Pin DEFAULT_DB_PATH so SessionDB() doesn't write to the real ~/.hermes/state.db.
# (Module-level constant snapshot, see test_load_transcript_db_only.)
import hermes_state
monkeypatch.setattr(hermes_state, "DEFAULT_DB_PATH", tmp_path / "state.db")
config = GatewayConfig()
store = SessionStore(sessions_dir=tmp_path, config=config)
session_id = "retry_session"
store._db.create_session(session_id=session_id, source="test")
for msg in [
{"role": "session_meta", "tools": []},
{"role": "user", "content": "first question"},
{"role": "assistant", "content": "first answer"},
{"role": "user", "content": "retry me"},
{"role": "assistant", "content": "old answer"},
]:
store.append_to_transcript(session_id, msg)
gw = GatewayRunner.__new__(GatewayRunner)
gw.config = config
gw.session_store = store
session_entry = MagicMock(session_id=session_id)
session_entry.last_prompt_tokens = 111
gw.session_store.get_or_create_session = MagicMock(return_value=session_entry)
async def fake_handle_message(event):
assert event.text == "retry me"
transcript_before = store.load_transcript(session_id)
assert [m.get("content") for m in transcript_before if m.get("role") == "user"] == [
"first question"
]
store.append_to_transcript(session_id, {"role": "user", "content": event.text})
store.append_to_transcript(session_id, {"role": "assistant", "content": "new answer"})
return "new answer"
gw._handle_message = AsyncMock(side_effect=fake_handle_message)
result = await gw._handle_retry_command(
MessageEvent(text="/retry", message_type=MessageType.TEXT, source=MagicMock())
)
assert result == "new answer"
transcript_after = store.load_transcript(session_id)
assert [m.get("content") for m in transcript_after if m.get("role") == "user"] == [
"first question",
"retry me",
]
assert [m.get("content") for m in transcript_after if m.get("role") == "assistant"] == [
"first answer",
"new answer",
]
@pytest.mark.asyncio
async def test_gateway_retry_preserves_archived_compaction_rows_when_probe_fails(
tmp_path, monkeypatch
):
"""/retry must not DELETE archives when an existence probe would fail.
With compression.in_place (the default, #38763) archive_and_compact()
keeps the pre-compaction transcript on disk as active=0/compacted=1 rows
under the same session id. /retry used to persist its truncation via a
bare rewrite_transcript(), whose replace_messages(active_only=False)
DELETEs every row for the session and reinserts only the truncated live
tail, wiping the archived history permanently (same class as #61145;
#57803 named this call site as a residual gap). /retry never intends to
purge archived history, so it must pass active_only=True unconditionally:
a separate existence probe can fail open or race with the rewrite.
"""
import hermes_state
monkeypatch.setattr(hermes_state, "DEFAULT_DB_PATH", tmp_path / "state.db")
config = GatewayConfig()
store = SessionStore(sessions_dir=tmp_path, config=config)
session_id = "retry_archived_session"
store._db.create_session(session_id=session_id, source="test")
store._db.append_message(session_id=session_id, role="user", content="old question")
store._db.append_message(session_id=session_id, role="assistant", content="old answer")
# In-place compaction: the two rows above are soft-archived and the
# compacted transcript becomes the live set under the same id.
store._db.archive_and_compact(
session_id,
[
{"role": "user", "content": "first question"},
{"role": "assistant", "content": "first answer"},
{"role": "user", "content": "retry me"},
{"role": "assistant", "content": "old answer"},
],
)
assert store._db.has_archived_messages(session_id) is True
# A failed preflight lookup must not turn this data-preservation path back
# into a destructive full-history rewrite. The write itself still works.
archived_probe = MagicMock(side_effect=OSError("transient archive lookup failure"))
monkeypatch.setattr(store._db, "has_archived_messages", archived_probe)
gw = GatewayRunner.__new__(GatewayRunner)
gw.config = config
gw.session_store = store
session_entry = MagicMock(session_id=session_id)
session_entry.last_prompt_tokens = 111
gw.session_store.get_or_create_session = MagicMock(return_value=session_entry)
async def fake_handle_message(event):
assert event.text == "retry me"
store.append_to_transcript(session_id, {"role": "user", "content": event.text})
store.append_to_transcript(session_id, {"role": "assistant", "content": "new answer"})
return "new answer"
gw._handle_message = AsyncMock(side_effect=fake_handle_message)
result = await gw._handle_retry_command(
MessageEvent(text="/retry", message_type=MessageType.TEXT, source=MagicMock())
)
assert result == "new answer"
archived_probe.assert_not_called()
# The archived pre-compaction rows survive the rewrite untouched.
archived = [
m for m in store._db.get_messages(session_id, include_inactive=True)
if not m["active"]
]
assert [(m["role"], m["content"]) for m in archived] == [
("user", "old question"),
("assistant", "old answer"),
]
assert all(m["compacted"] == 1 for m in archived)
# The live set reflects the truncation plus the retried exchange.
transcript_after = store.load_transcript(session_id)
assert [m.get("content") for m in transcript_after if m.get("role") == "user"] == [
"first question",
"retry me",
]