const test = require('node:test');
const assert = require('node:assert/strict');

const NodeClass = require('../../src/nodeClass');
const { makeNodeStub } = require('../helpers/factories');

test('_registerChild emits delayed registration message on output 2', () => {
  const inst = Object.create(NodeClass.prototype);
  const node = makeNodeStub();

  inst.node = node;
  inst.config = {
    functionality: {
      positionVsParent: 'downstream',
    },
  };

  const originalSetTimeout = global.setTimeout;
  const delays = [];

  global.setTimeout = (fn, ms) => {
    delays.push(ms);
    fn();
    return 1;
  };

  try {
    inst._registerChild();
  } finally {
    global.setTimeout = originalSetTimeout;
  }

  assert.deepEqual(delays, [100]);
  assert.equal(node._sent.length, 1);
  assert.equal(Array.isArray(node._sent[0]), true);
  assert.equal(node._sent[0][2].topic, 'registerChild');
  assert.equal(node._sent[0][2].payload, node.id);
  assert.equal(node._sent[0][2].positionVsParent, 'downstream');
});