node/test/parallel/test-diagnostics-channel-tracing-channel-promise-early-exit.js
Stephen Belanger 4f3cf4e89a
diagnostics_channel: early-exit tracing channel trace methods
PR-URL: https://github.com/nodejs/node/pull/51915
Reviewed-By: Yagiz Nizipli <yagiz.nizipli@sentry.io>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
2024-03-07 03:03:32 +00:00

22 lines
522 B
JavaScript

'use strict';
const common = require('../common');
const dc = require('diagnostics_channel');
const channel = dc.tracingChannel('test');
const handlers = {
start: common.mustNotCall(),
end: common.mustNotCall(),
asyncStart: common.mustNotCall(),
asyncEnd: common.mustNotCall(),
error: common.mustNotCall()
};
// While subscribe occurs _before_ the promise resolves,
// no async events should be published.
channel.tracePromise(() => {
return new Promise(setImmediate);
}, {});
channel.subscribe(handlers);