it("schedules SIGUSR1 restart", async () => {

const kill = vi.spyOn(process, "kill").mockImplementation(() => true);

const restartSignalKillCalls = () =>

kill.mock.calls.filter(

([pid, signal]) => pid === process.pid && (signal === "SIGUSR1" || signal === undefined),

);

const sigusr1Handler = vi.fn();

process.on("SIGUSR1", sigusr1Handler);

const stateDir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-test-"));

delayMs: 0,

});

expect(kill).not.toHaveBeenCalled();

expect(restartSignalKillCalls()).toHaveLength(0);

expect(sigusr1Handler).not.toHaveBeenCalled();

await vi.waitFor(() => expect(sigusr1Handler).toHaveBeenCalledTimes(1), {

interval: 1,

timeout: 1_000,

});

expect(kill).not.toHaveBeenCalled();

expect(restartSignalKillCalls()).toHaveLength(0);

const sentinelPath = path.join(stateDir, "restart-sentinel.json");

const raw = await fs.readFile(sentinelPath, "utf-8");