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| Current File : //home/ubuntu/node-v16.18.1/test/async-hooks/test-emit-before-after.js |
'use strict';
// Flags: --expose-internals
const common = require('../common');
const assert = require('assert');
const async_hooks = require('internal/async_hooks');
const initHooks = require('./init-hooks');
const expectedId = async_hooks.newAsyncId();
const expectedTriggerId = async_hooks.newAsyncId();
const expectedType = 'test_emit_before_after_type';
// Verify that if there is no registered hook, then nothing will happen.
async_hooks.emitBefore(expectedId, expectedTriggerId);
async_hooks.emitAfter(expectedId);
const chkBefore = common.mustCall((id) => assert.strictEqual(id, expectedId));
const chkAfter = common.mustCall((id) => assert.strictEqual(id, expectedId));
const checkOnce = (fn) => {
let called = false;
return (...args) => {
if (called) return;
called = true;
fn(...args);
};
};
initHooks({
onbefore: checkOnce(chkBefore),
onafter: checkOnce(chkAfter),
allowNoInit: true
}).enable();
async_hooks.emitInit(expectedId, expectedType, expectedTriggerId);
async_hooks.emitBefore(expectedId, expectedTriggerId);
async_hooks.emitAfter(expectedId);
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