nodejs/test/parallel/test-async-hooks-promise.js

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'use strict';
const common = require('../common');
const assert = require('assert');
const async_hooks = require('async_hooks');
const { isMainThread } = require('worker_threads');
if (!isMainThread) {
common.skip('Worker bootstrapping works differently -> different async IDs');
}
const initCalls = [];
const resolveCalls = [];
async_hooks.createHook({
init: common.mustCall((id, type, triggerId, resource) => {
assert.strictEqual(type, 'PROMISE');
initCalls.push({ id, triggerId, resource });
}, 2),
promiseResolve: common.mustCall((id) => {
assert.strictEqual(initCalls[resolveCalls.length].id, id);
resolveCalls.push(id);
}, 2)
}).enable();
const a = Promise.resolve(42);
a.then(common.mustCall());
assert.strictEqual(initCalls[0].triggerId, 1);
assert.strictEqual(initCalls[1].triggerId, initCalls[0].id);