}

async function expectPathMissing(targetPath: string): Promise<void> {

await expect(fs.access(targetPath)).rejects.toMatchObject({ code: "ENOENT" });

try {

await fs.access(targetPath);

} catch (error) {

expect((error as NodeJS.ErrnoException).code).toBe("ENOENT");

return;

}

throw new Error(`Expected path to be missing: ${targetPath}`);

}

async function expectCurrentPidOwnsLock(params: {

staleMs: 60_000,

});

const raw = await fs.readFile(lockPath, "utf8");

expect(JSON.parse(raw)).toMatchObject({ pid: process.pid });

const payload = JSON.parse(raw) as { pid?: unknown };

expect(payload.pid).toBe(process.pid);

await lock.release();

});

});