import { readFile } from "node:fs/promises";
import { describe, expect, it } from "vitest";

describe("registry governance manifest", () => {
  it("declares exactly nine single-owner registries and impact labels", async () => {
    const governance = JSON.parse(
      await readFile("config/contracts/registry-governance.json", "utf8"),
    );
    const registries =
      /** @type {Array<{registryId: string, owner: string}>} */ (
        governance.registries
      );
    expect(governance.registries).toHaveLength(9);
    expect(new Set(registries.map((entry) => entry.registryId)).size).toBe(
      9,
    );
    expect(registries.every((entry) => entry.owner)).toBe(true);
    expect(governance.compatibilityImpact.allowed).toEqual([
      "none",
      "additive",
      "behavior-change",
      "breaking",
    ]);
  });
});