test-internal-nexttick-default-trigger.js

'use strict';
// Flags: --expose-internals
const common = require('../common');

// This tests ensures that the triggerId of both the internal and external
// nextTick function sets the triggerAsyncId correctly.

const assert = require('assert');
const async_hooks = require('async_hooks');
const initHooks = require('./init-hooks');
const { checkInvocations } = require('./hook-checks');
const internal = require('internal/process/next_tick');

const hooks = initHooks();
hooks.enable();

const rootAsyncId = async_hooks.executionAsyncId();

// public
process.nextTick(common.mustCall(function() {
  assert.strictEqual(async_hooks.triggerAsyncId(), rootAsyncId);
}));

// internal default
internal.nextTick(null, common.mustCall(function() {
  assert.strictEqual(async_hooks.triggerAsyncId(), rootAsyncId);
}));

// internal
internal.nextTick(rootAsyncId + 1, common.mustCall(function() {
  assert.strictEqual(async_hooks.triggerAsyncId(), rootAsyncId + 1);
}));

process.on('exit', function() {
  hooks.sanityCheck();

  const as = hooks.activitiesOfTypes('TickObject');
  checkInvocations(as[0], {
    init: 1, before: 1, after: 1, destroy: 1
  }, 'when process exits');
  checkInvocations(as[1], {
    init: 1, before: 1, after: 1, destroy: 1
  }, 'when process exits');
  checkInvocations(as[2], {
    init: 1, before: 1, after: 1, destroy: 1
  }, 'when process exits');
});