import { describe, expect, it } from 'vitest';
import { PinnedHttpRequester, type PinnedDispatchOptions } from './pinned-http-requester.js';

describe('PinnedHttpRequester', () => {
  it('pins Node lookup to the validated address and sets bounded request options', async () => {
    let captured: PinnedDispatchOptions | undefined;
    const requester = new PinnedHttpRequester({
      dispatch: async (options) => {
        captured = options;
        return { status: 200, headers: {}, body: '' };
      },
    });
    await requester.request(
      { url: 'http://device.lan:8080/api/health', method: 'GET', headers: {} },
      [{ address: '192.168.1.20', family: 4 }],
    );
    if (!captured) throw new Error('dispatch was not called');
    const dispatchOptions = captured;
    expect(dispatchOptions.followRedirects).toBe(false);
    expect(dispatchOptions.timeoutMs).toBe(5000);
    expect(dispatchOptions.maxBodyBytes).toBe(65536);
    await expect(
      new Promise((resolve, reject) =>
        dispatchOptions.lookup('device.lan', { all: false }, (error, address, family) => {
          if (error) reject(error);
          else if (Array.isArray(address))
            reject(new Error('unexpected all-address lookup result'));
          else resolve({ a: address, f: family });
        }),
      ),
    ).resolves.toEqual({ a: '192.168.1.20', f: 4 });
  });
});