import { describe, expect, it, vi } from "vitest";
import { defineModuleRuntime } from "../src/index.js";

describe("defineModuleRuntime", () => {
  it("defines a frozen server runtime without duplicating the static manifest", async () => {
    const start = vi.fn();
    const runtime = defineModuleRuntime({
      id: "example",
      start,
      version: "0.1.0",
    });

    expect(runtime).toEqual({ id: "example", start, version: "0.1.0" });
    expect(Object.isFrozen(runtime)).toBe(true);
  });

  it("rejects invalid runtime definitions", () => {
    expect(() =>
      defineModuleRuntime({
        id: "Not Valid",
        version: "0.1.0",
      }),
    ).toThrow("Invalid Ekklesia module runtime definition.");
  });
});