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nodejs/test/parallel/test-async-hooks-promise.js
Anna Henningsen b605b15346
async_hooks: support promise resolve hook
Add a `promiseResolve()` hook.

PR-URL: https://github.com/nodejs/node/pull/15296
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
2017-09-23 15:52:03 +02:00

29 lines
936 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const async_hooks = require('async_hooks');
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);
const b = a.then(common.mustCall());
assert.strictEqual(initCalls[0].triggerId, 1);
assert.strictEqual(initCalls[0].resource.parentId, undefined);
assert.strictEqual(initCalls[0].resource.promise, a);
assert.strictEqual(initCalls[1].triggerId, initCalls[0].id);
assert.strictEqual(initCalls[1].resource.parentId, initCalls[0].id);
assert.strictEqual(initCalls[1].resource.promise, b);