Files
certificate-system/backend/tests/test_db_backup.py

54 lines
2.0 KiB
Python

import json
from datetime import datetime, timezone
import pytest
from app.services import db_backup
def test_list_database_backups_reads_metadata(tmp_path, monkeypatch):
backup = tmp_path / "certificate_system_20260623_120000.sqlite3"
backup.write_bytes(b"sqlite-data")
metadata = {
"filename": backup.name,
"database_type": "sqlite",
"created_at": datetime(2026, 6, 23, 12, 0, tzinfo=timezone.utc).isoformat(),
"reason": "manual",
}
backup.with_name(f"{backup.name}.json").write_text(json.dumps(metadata), encoding="utf-8")
monkeypatch.setattr(db_backup, "_backup_dir", lambda: tmp_path)
items = db_backup.list_database_backups()
assert items[0]["filename"] == backup.name
assert items[0]["database_type"] == "sqlite"
assert items[0]["reason"] == "manual"
assert items[0]["size_label"] == "11 B"
def test_resolve_backup_path_rejects_path_traversal(tmp_path, monkeypatch):
monkeypatch.setattr(db_backup, "_backup_dir", lambda: tmp_path)
with pytest.raises(db_backup.BackupError):
db_backup._resolve_backup_path("../certificate_system_20260623_120000.sqlite3")
def test_backup_target_does_not_overwrite_existing_file(tmp_path, monkeypatch):
created_at = datetime(2026, 6, 23, 12, 0, tzinfo=timezone.utc)
existing = tmp_path / "certificate_system_20260623_120000.sqlite3"
existing.write_bytes(b"old")
monkeypatch.setattr(db_backup, "_backup_dir", lambda: tmp_path)
target = db_backup._backup_target("sqlite", "manual", created_at)
assert target.name == "certificate_system_20260623_120000_2.sqlite3"
def test_restore_requires_exact_confirmation(tmp_path, monkeypatch):
backup = tmp_path / "certificate_system_20260623_120000.sqlite3"
backup.write_bytes(b"sqlite-data")
monkeypatch.setattr(db_backup, "_backup_dir", lambda: tmp_path)
with pytest.raises(db_backup.BackupError, match="确认文本不正确"):
db_backup.restore_database_backup(backup.name, "RESTORE wrong-file")