Files
hermes-webui/tests/test_session_db_sidecar_reconciliation.py
T

429 lines
16 KiB
Python

import json
import sqlite3
from api.session_recovery import recover_missing_sidecars_from_state_db, audit_session_recovery
def _make_state_db(path, *, sid="state_only_001", source="webui", messages=2):
conn = sqlite3.connect(path)
conn.execute(
"CREATE TABLE sessions (id TEXT PRIMARY KEY, source TEXT, title TEXT, model TEXT, started_at REAL, message_count INTEGER, parent_session_id TEXT)"
)
conn.execute(
"CREATE TABLE messages (id INTEGER PRIMARY KEY AUTOINCREMENT, session_id TEXT, role TEXT, content TEXT, timestamp REAL)"
)
conn.execute(
"INSERT INTO sessions (id, source, title, model, started_at, message_count, parent_session_id) VALUES (?, ?, ?, ?, ?, ?, ?)",
(sid, source, "Recovered from DB", "openai/gpt-5", 1234.0, messages, "parent-1"),
)
for i in range(messages):
conn.execute(
"INSERT INTO messages (session_id, role, content, timestamp) VALUES (?, ?, ?, ?)",
(sid, "user" if i % 2 == 0 else "assistant", f"message {i + 1}", 1234.0 + i),
)
conn.commit()
conn.close()
return sid
def _write_index(path, entries):
(path / "_index.json").write_text(json.dumps(entries), encoding="utf-8")
def test_recover_missing_sidecars_from_state_db_materializes_webui_row(tmp_path):
sid = _make_state_db(tmp_path / "state.db")
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 1
sidecar = tmp_path / f"{sid}.json"
assert sidecar.exists()
data = json.loads(sidecar.read_text(encoding="utf-8"))
assert data["session_id"] == sid
assert data["title"] == "Recovered from DB"
assert data["model"] == "openai/gpt-5"
assert data["parent_session_id"] == "parent-1"
assert data["source_tag"] == "webui"
assert data["session_source"] == "webui"
assert data["message_count"] == 2
assert [m["content"] for m in data["messages"]] == ["message 1", "message 2"]
def test_recovered_sidecar_derives_message_count_from_materialized_rows(tmp_path, monkeypatch):
"""Recovery must not copy a stale state.db summary into a live sidecar.
`Session.save()` relies on sidecar `message_count` for both #1558 guards.
A recovery row whose denormalized DB count says zero but whose canonical
message rows contain five messages must therefore refuse an empty active
snapshot and preserve a five-message backup on a later shrink.
"""
import api.models as models
sid = _make_state_db(tmp_path / "state.db", sid="recovered_stale_count", messages=5)
with sqlite3.connect(tmp_path / "state.db") as conn:
conn.execute("UPDATE sessions SET message_count = 0 WHERE id = ?", (sid,))
assert recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")["materialized"] == 1
sidecar = tmp_path / f"{sid}.json"
assert json.loads(sidecar.read_text(encoding="utf-8"))["message_count"] == 5
monkeypatch.setattr(models, "SESSION_DIR", tmp_path)
monkeypatch.setattr(models, "SESSION_INDEX_FILE", tmp_path / "_index.json")
active_empty = models.Session(
session_id=sid,
title="Recovered from DB",
workspace=str(tmp_path),
model="openai/gpt-5",
messages=[],
active_stream_id="a" * 32,
pending_user_message="still typing",
)
active_empty.save()
assert len(json.loads(sidecar.read_text(encoding="utf-8"))["messages"]) == 5
shrinking = models.Session(
session_id=sid,
title="Recovered from DB",
workspace=str(tmp_path),
model="openai/gpt-5",
messages=[{"role": "user", "content": f"replacement {i}"} for i in range(3)],
)
shrinking.save()
backup = sidecar.with_suffix(".json.bak")
assert len(json.loads(backup.read_text(encoding="utf-8"))["messages"]) == 5
def test_recover_missing_sidecars_from_state_db_skips_deleted_webui_tombstone(tmp_path, monkeypatch):
import api.models as _m
monkeypatch.setattr(_m, "SESSION_DIR", tmp_path)
sid = _make_state_db(tmp_path / "state.db", sid="deleted_webui_001")
_write_index(tmp_path, [
{
"session_id": sid,
"source_tag": "webui",
"raw_source": "webui",
"session_source": "webui",
}
])
# A genuine delete records the DURABLE tombstone; only that suppresses repair.
_m._record_webui_deleted_session_tombstone(sid)
try:
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 0
assert not (tmp_path / f"{sid}.json").exists()
finally:
_m._clear_webui_deleted_session_tombstone(sid)
def test_recover_missing_sidecars_index_only_no_tombstone_is_repairable(tmp_path, monkeypatch):
"""A crash that loses the sidecar (index intact, NO durable tombstone) must
still be recovered from state.db — the index heuristic alone must not
suppress repair (#5504 Codex/Opus finding; matches origin/master behavior)."""
import api.models as _m
monkeypatch.setattr(_m, "SESSION_DIR", tmp_path)
sid = _make_state_db(tmp_path / "state.db", sid="crashed_webui_001")
_write_index(tmp_path, [
{
"session_id": sid,
"source_tag": "webui",
"raw_source": "webui",
"session_source": "webui",
}
])
# No durable tombstone recorded (this is a crash, not a delete).
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 1
assert (tmp_path / f"{sid}.json").exists()
def test_audit_reports_deleted_webui_tombstone_is_unsafe(tmp_path, monkeypatch):
import api.models as _m
monkeypatch.setattr(_m, "SESSION_DIR", tmp_path)
sid = _make_state_db(tmp_path / "state.db", sid="deleted_webui_001")
_write_index(tmp_path, [
{
"session_id": sid,
"source_tag": "webui",
"raw_source": "webui",
"session_source": "webui",
}
])
_m._record_webui_deleted_session_tombstone(sid)
try:
report = audit_session_recovery(tmp_path, state_db_path=tmp_path / "state.db")
assert any(
item["session_id"] == sid
and item["kind"] == "state_db_deleted_webui_tombstone"
and item["category"] == "unsafe_to_repair"
and item["recommendation"] == "deleted_session_skipped"
for item in report["items"]
)
assert not any(
item["session_id"] == sid and item["kind"] == "state_db_missing_sidecar"
for item in report["items"]
)
assert not any(
item["session_id"] == sid and item["category"] == "repairable"
for item in report["items"]
)
finally:
_m._clear_webui_deleted_session_tombstone(sid)
def test_audit_no_double_count_when_bak_and_state_db_row_both_survive(tmp_path, monkeypatch):
"""A deleted session with BOTH a surviving .json.bak AND a state.db row must
yield EXACTLY ONE deleted-webui-tombstone audit item, not two (#5504 SILENT
finding — the orphan-.bak branch and the state.db missing-sidecar loop both
used to emit it)."""
import api.models as _m
import json as _json
monkeypatch.setattr(_m, "SESSION_DIR", tmp_path)
sid = _make_state_db(tmp_path / "state.db", sid="deleted_both_001")
# Plant a surviving orphan .bak (no live sidecar) for the same sid.
(tmp_path / f"{sid}.json.bak").write_text(
_json.dumps({"session_id": sid, "messages": [{"role": "user", "content": "x"}]}),
encoding="utf-8",
)
_m._record_webui_deleted_session_tombstone(sid)
try:
report = audit_session_recovery(tmp_path, state_db_path=tmp_path / "state.db")
tombstone_items = [
item for item in report["items"]
if item["session_id"] == sid
and item["kind"] == "state_db_deleted_webui_tombstone"
]
assert len(tombstone_items) == 1, (
f"expected exactly one tombstone audit item, got {len(tombstone_items)}"
)
finally:
_m._clear_webui_deleted_session_tombstone(sid)
def test_recover_missing_sidecars_skips_durable_delete_tombstone_without_index(tmp_path, monkeypatch):
import api.models as _m
sid = _make_state_db(tmp_path / "state.db", sid="durable_deleted_001")
monkeypatch.setattr(_m, "SESSION_DIR", tmp_path)
_m._record_webui_deleted_session_tombstone(sid)
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
report = audit_session_recovery(tmp_path, state_db_path=tmp_path / "state.db")
assert result["materialized"] == 0
assert not (tmp_path / f"{sid}.json").exists()
assert any(
item["session_id"] == sid
and item["kind"] == "state_db_deleted_webui_tombstone"
and item["category"] == "unsafe_to_repair"
and item["recommendation"] == "deleted_session_skipped"
for item in report["items"]
)
assert not any(
item["session_id"] == sid and item["category"] == "repairable"
for item in report["items"]
)
def test_audit_skips_index_missing_file_when_durable_delete_tombstone_survives(tmp_path, monkeypatch):
import api.models as _m
sid = "durable_deleted_index_001"
_write_index(tmp_path, [
{
"session_id": sid,
"source_tag": "webui",
"raw_source": "webui",
"session_source": "webui",
}
])
monkeypatch.setattr(_m, "SESSION_DIR", tmp_path)
_m._record_webui_deleted_session_tombstone(sid)
report = audit_session_recovery(tmp_path)
assert not any(
item["session_id"] == sid and item["kind"] == "index_missing_file"
for item in report["items"]
)
assert not any(
item["session_id"] == sid and item["category"] == "repairable"
for item in report["items"]
)
def test_audit_skips_orphan_backup_when_durable_delete_tombstone_survives(tmp_path, monkeypatch):
import api.models as _m
sid = _make_state_db(tmp_path / "state.db", sid="durable_deleted_backup_001")
(tmp_path / f"{sid}.json.bak").write_text(
json.dumps(
{
"session_id": sid,
"messages": [{"role": "user", "content": "deleted"}],
}
),
encoding="utf-8",
)
monkeypatch.setattr(_m, "SESSION_DIR", tmp_path)
_m._record_webui_deleted_session_tombstone(sid)
report = audit_session_recovery(tmp_path, state_db_path=tmp_path / "state.db")
assert any(
item["session_id"] == sid
and item["kind"] == "state_db_deleted_webui_tombstone"
and item["category"] == "unsafe_to_repair"
and item["recommendation"] == "deleted_session_skipped"
for item in report["items"]
)
assert not any(
item["session_id"] == sid and item["kind"] == "orphan_backup"
for item in report["items"]
)
assert not any(
item["session_id"] == sid and item["category"] == "repairable"
for item in report["items"]
)
def test_recover_missing_sidecars_from_state_db_skips_existing_sidecar(tmp_path):
sid = _make_state_db(tmp_path / "state.db")
existing = tmp_path / f"{sid}.json"
existing.write_text(json.dumps({"session_id": sid, "messages": [{"role": "user", "content": "keep"}]}), encoding="utf-8")
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 0
assert json.loads(existing.read_text(encoding="utf-8"))["messages"][0]["content"] == "keep"
def test_audit_reports_state_db_row_missing_sidecar(tmp_path):
sid = _make_state_db(tmp_path / "state.db")
report = audit_session_recovery(tmp_path, state_db_path=tmp_path / "state.db")
assert any(
item["session_id"] == sid
and item["kind"] == "state_db_missing_sidecar"
and item["category"] == "repairable"
and item["recommendation"] == "materialize_from_state_db"
for item in report["items"]
)
def test_empty_state_db_webui_row_is_unsafe_not_materialized(tmp_path):
sid = _make_state_db(tmp_path / "state.db", sid="empty_state_row", messages=0)
audit = audit_session_recovery(tmp_path, state_db_path=tmp_path / "state.db")
assert any(
item["session_id"] == sid
and item["kind"] == "state_db_orphan_webui_row"
and item["category"] == "unsafe_to_repair"
and item["recommendation"] == "manual_review"
for item in audit["items"]
)
assert not any(
item["session_id"] == sid and item["kind"] == "state_db_missing_sidecar"
for item in audit["items"]
)
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 0
assert not (tmp_path / f"{sid}.json").exists()
def test_recover_missing_sidecars_from_state_db_ignores_subagent_row(tmp_path):
sid = _make_state_db(tmp_path / "state.db", sid="subagent_001", source="subagent")
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 0
assert not (tmp_path / f"{sid}.json").exists()
report = audit_session_recovery(tmp_path, state_db_path=tmp_path / "state.db")
assert not any(item["session_id"] == sid for item in report["items"])
def test_recover_missing_sidecars_from_state_db_ignores_read_only_index_row(tmp_path):
sid = _make_state_db(tmp_path / "state.db", sid="read_only_index_001")
_write_index(tmp_path, [
{
"session_id": sid,
"source_tag": "",
"raw_source": "",
"session_source": "",
"read_only": True,
}
])
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 1
sidecar = tmp_path / f"{sid}.json"
assert sidecar.exists()
data = json.loads(sidecar.read_text(encoding="utf-8"))
assert data["session_id"] == sid
assert data["source_tag"] == "webui"
assert data["session_source"] == "webui"
def test_materialized_sidecar_round_trips_through_session_load(tmp_path, monkeypatch):
"""Schema parity guard: a materialized sidecar must be readable by Session.load
and the resulting Session must have the same messages we put in state.db.
Catches future schema drift where the hardcoded 35-key dict in
_state_db_row_to_sidecar() falls out of sync with what Session.__init__
expects. See Opus review on PR #2041 for context.
"""
import api.models as _m
sid = _make_state_db(tmp_path / "state.db", sid="rt_001", messages=3)
monkeypatch.setattr(_m, "SESSION_DIR", tmp_path)
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 1
loaded = _m.Session.load(sid)
assert loaded is not None, "Session.load returned None for materialized sidecar"
assert loaded.session_id == sid
assert len(loaded.messages) == 3
assert [m["content"] for m in loaded.messages] == [
"message 1",
"message 2",
"message 3",
]
assert loaded.model == "openai/gpt-5"
assert loaded.parent_session_id == "parent-1"
def test_recover_missing_sidecars_uses_per_process_tmp_suffix(tmp_path):
"""The tmp filename used during reconciliation must include pid/tid so
concurrent calls cannot corrupt each other's writes. See Opus review on
PR #2041 (matches Session.save() pattern at api/models.py:484).
"""
import os
import threading
_make_state_db(tmp_path / "state.db", sid="tmp_suffix_001", messages=1)
# Snapshot the directory before, run reconciliation, then check no
# generic ".json.reconcile.tmp" residue exists — it must have a
# pid.tid suffix and be cleaned up after.
result = recover_missing_sidecars_from_state_db(tmp_path, tmp_path / "state.db")
assert result["materialized"] == 1
# No leftover tmp files
leftover = list(tmp_path.glob("*.reconcile.tmp*"))
assert leftover == [], f"Reconciliation left tmp residue: {leftover}"
# And the source explicitly references pid + tid in the suffix
from pathlib import Path
src = (Path(__file__).resolve().parent.parent / "api" / "session_recovery.py").read_text(encoding="utf-8")
assert "os.getpid()" in src and "threading.current_thread().ident" in src, (
".reconcile.tmp suffix must include pid + tid for concurrency safety"
)