mirror of https://github.com/nodejs/node.git
39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
'use strict';
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// Flags: --expose-internals
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const common = require('../common');
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const assert = require('assert');
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const async_hooks = require('internal/async_hooks');
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const initHooks = require('./init-hooks');
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const expectedId = async_hooks.newAsyncId();
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const expectedTriggerId = async_hooks.newAsyncId();
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const expectedType = 'test_emit_before_after_type';
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// Verify that if there is no registered hook, then nothing will happen.
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async_hooks.emitBefore(expectedId, expectedTriggerId);
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async_hooks.emitAfter(expectedId);
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const chkBefore = common.mustCall((id) => assert.strictEqual(id, expectedId));
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const chkAfter = common.mustCall((id) => assert.strictEqual(id, expectedId));
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const checkOnce = (fn) => {
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let called = false;
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return (...args) => {
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if (called) return;
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called = true;
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fn(...args);
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};
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};
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initHooks({
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onbefore: checkOnce(chkBefore),
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onafter: checkOnce(chkAfter),
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allowNoInit: true,
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}).enable();
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async_hooks.emitInit(expectedId, expectedType, expectedTriggerId);
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async_hooks.emitBefore(expectedId, expectedTriggerId);
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async_hooks.emitAfter(expectedId);
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