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test: test async-hook triggerId properties
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Add tests for checking the behavior of async_hooks.triggerId.
It should return different ids when called in callbacks having
different ancestry paths.
It should return the same id when called in callbacks having
the same ancestry path.

PR-URL: #13328
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
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dszakallas authored and addaleax committed Jun 3, 2017
1 parent fc102d0 commit ab92e59
Showing 1 changed file with 28 additions and 0 deletions.
28 changes: 28 additions & 0 deletions test/parallel/test-async-wrap-trigger-id.js
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'use strict';
require('../common');

const assert = require('assert');
const async_hooks = require('async_hooks');
const triggerId = async_hooks.triggerId;

const triggerId0 = triggerId();
let triggerId1;

process.nextTick(() => {
process.nextTick(() => {
triggerId1 = triggerId();
assert.notStrictEqual(
triggerId0,
triggerId1,
'Async resources having different causal ancestry ' +
'should have different triggerIds');
});
process.nextTick(() => {
const triggerId2 = triggerId();
assert.strictEqual(
triggerId1,
triggerId2,
'Async resources having the same causal ancestry ' +
'should have the same triggerId');
});
});

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