Files
BanGUI/backend/tests/test_db.py

59 lines
1.9 KiB
Python

import asyncio
from pathlib import Path
import aiosqlite
from app.db import open_db
async def test_open_db_applies_hardening_pragmas(tmp_path: Path) -> None:
database_path = str(tmp_path / "bangui_test.db")
db = await open_db(database_path)
try:
async with db.execute("PRAGMA journal_mode;") as cursor:
row = await cursor.fetchone()
assert row is not None and row[0].lower() == "wal"
async with db.execute("PRAGMA foreign_keys;") as cursor:
row = await cursor.fetchone()
assert row is not None and row[0] == 1
async with db.execute("PRAGMA busy_timeout;") as cursor:
row = await cursor.fetchone()
assert row is not None and row[0] == 5000
finally:
await db.close()
async def test_open_db_respects_busy_timeout_for_concurrent_writes(tmp_path: Path) -> None:
database_path = str(tmp_path / "bangui_lock.db")
connection_a = await open_db(database_path)
try:
await connection_a.execute(
"CREATE TABLE IF NOT EXISTS test_lock (id INTEGER PRIMARY KEY, value TEXT);"
)
await connection_a.commit()
await connection_a.execute("BEGIN EXCLUSIVE;")
async def write_after_lock() -> None:
connection_b = await open_db(database_path)
try:
await connection_b.execute(
"INSERT INTO test_lock (value) VALUES ('locked');"
)
await connection_b.commit()
finally:
await connection_b.close()
task = asyncio.create_task(write_after_lock())
await asyncio.sleep(0.1)
await connection_a.commit()
await task
async with connection_a.execute("SELECT value FROM test_lock;") as cursor:
row = await cursor.fetchone()
assert row is not None and row[0] == "locked"
finally:
await connection_a.close()