describe("backup commands", () => {

let tempHome: TempHomeEnv;

function requireFirstMockArg<T>(mock: { mock: { calls: T[][] } }, label: string): T {

const call = mock.mock.calls.at(0);

if (!call) {

throw new Error(`expected ${label} call`);

}

const [arg] = call;

return arg;

}

async function mockWorkspaceBackupPlan(stateDir: string, workspaceDir: string, nowMs: number) {

vi.spyOn(backupShared, "resolveBackupPlanFromDisk").mockResolvedValue(

await resolveBackupPlanFromPaths({

expect(result.skippedVolatileCount).toBe(1);

expect(runtime.log).toHaveBeenCalledTimes(1);

const payload = vi.mocked(runtime.log).mock.calls[0]?.[0];

const payload = requireFirstMockArg(vi.mocked(runtime.log), "runtime log");

if (typeof payload !== "string") {

throw new Error("backup test expected JSON string output");

}