node-postgres/packages/pg/test/integration/client/async-stack-trace-tests.js

'use strict'
var helper = require('../test-helper')
var pg = helper.pg

process.on('unhandledRejection', function (e) {
  console.error(e, e.stack)
  process.exit(1)
})

const suite = new helper.Suite()

// these tests will only work for if --async-stack-traces is on, which is the default starting in node 16.
const NODE_MAJOR_VERSION = +process.versions.node.split('.')[0];
if (NODE_MAJOR_VERSION >= 16) {
  suite.testAsync('promise API async stack trace in pool', async function outerFunction() {
    async function innerFunction() {
      const pool = new pg.Pool()
      await pool.query('SELECT test from nonexistent');
    }
    try {
      await innerFunction();
      throw Error("should have errored");
    } catch (e) {
      const stack = e.stack;
      if(!e.stack.includes("innerFunction") || !e.stack.includes("outerFunction")) {
        throw Error("async stack trace does not contain wanted values: " + stack);
      }
    }
  })

  suite.testAsync('promise API async stack trace in client', async function outerFunction() {
    async function innerFunction() {
      const client = new pg.Client()
      await client.connect();
      try {
        await client.query('SELECT test from nonexistent');
      } finally {
        client.end();
      }
    }
    try {
      await innerFunction();
      throw Error("should have errored");
    } catch (e) {
      const stack = e.stack;
      if(!e.stack.includes("innerFunction") || !e.stack.includes("outerFunction")) {
        throw Error("async stack trace does not contain wanted values: " + stack);
      }
    }
  })
}