import { describe, expect, it, vi } from "vitest";
import { IMPORT_SAFETY_TEST_TIMEOUT_MS } from "./support/import-safety.js";

const readdir = vi.fn();
const readFile = vi.fn();
const realpath = vi.fn();
const stat = vi.fn();

vi.mock("node:fs/promises", async (importOriginal) => ({
  ...(await importOriginal<typeof import("node:fs/promises")>()),
  readdir,
  readFile,
  realpath,
  stat,
}));

describe("module HTTP contract and runtime import safety", () => {
  it(
    "performs no filesystem I/O merely by importing the module runtime or the module-http contract",
    async () => {
      await import("../src/modules/index.js");
      await import("@ekklesia/contracts");

      expect(readdir).not.toHaveBeenCalled();
      expect(readFile).not.toHaveBeenCalled();
      expect(realpath).not.toHaveBeenCalled();
      expect(stat).not.toHaveBeenCalled();
    },
    IMPORT_SAFETY_TEST_TIMEOUT_MS,
  );
});