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| Current File : //home/ubuntu/node-v16.18.1/test/parallel/test-async-hooks-promise-enable-disable.js |
'use strict';
const common = require('../common');
const assert = require('assert');
const async_hooks = require('async_hooks');
const EXPECTED_INITS = 2;
let p_er = null;
let p_inits = 0;
// Not useful to place common.mustCall() around 'exit' event b/c it won't be
// able to check it anyway.
process.on('exit', (code) => {
if (code !== 0)
return;
if (p_er !== null)
throw p_er;
// Expecting exactly 2 PROMISE types to reach init.
assert.strictEqual(p_inits, EXPECTED_INITS);
});
const mustCallInit = common.mustCall(function init(id, type, tid, resource) {
if (type !== 'PROMISE')
return;
p_inits++;
}, EXPECTED_INITS);
const hook = async_hooks.createHook({
init: mustCallInit
// Enable then disable to test whether disable() actually works.
}).enable().disable().disable();
new Promise(common.mustCall((res) => {
res(42);
})).then(common.mustCall((val) => {
hook.enable().enable();
const p = new Promise((res) => res(val));
hook.disable();
return p;
})).then(common.mustCall((val2) => {
hook.enable();
const p = new Promise((res) => res(val2));
hook.disable();
return p;
})).catch((er) => p_er = er);
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