import { readFileSync } from "node:fs";
import { describe, expect, test } from "vitest";

describe("supervision parity", () => {
  test("has exactly one runtime callsite for runSupervisor", () => {
    const daemonRunner = readFileSync(
      new URL("./supervisor-entrypoint.ts", import.meta.url),
      "utf8",
    );
    const devRunner = readFileSync(new URL("./dev-runner.ts", import.meta.url), "utf8");

    const daemonRunnerCalls = (daemonRunner.match(/\brunSupervisor\s*\(/g) ?? []).length;
    const devRunnerCalls = (devRunner.match(/\brunSupervisor\s*\(/g) ?? []).length;

    expect(daemonRunnerCalls + devRunnerCalls).toBe(1);
  });
});