import { describe, expect, it } from "vitest";

import {
  BOOT_JSON_POLICIES,
  readBoundedBootJson,
} from "../../src/bootstrap/read-bounded-boot-json.ts";

describe("bounded boot JSON admission", () => {
  it("does not call fetch when the caller signal is already aborted", async () => {
    const caller = new AbortController();
    caller.abort();
    let fetchCalls = 0;

    const outcome = await readBoundedBootJson(
      "/config.json",
      BOOT_JSON_POLICIES.RUNTIME_CONFIG,
      {
        signal: caller.signal,
        fetcher: async () => {
          fetchCalls += 1;
          return new Response("{}", {
            headers: { "content-type": "application/json" },
          });
        },
      },
    );

    expect(fetchCalls).toBe(0);
    expect(outcome).toEqual({ ok: false, failure: "FETCH_FAILED" });
  });
});