node/test/parallel/test-error-aggregateTwoErrors.js
Antoine du Hamel 104dac79cc lib: aggregate errors to avoid error swallowing
Uses `AggregateError` if there are more than one error with the message
of the outer error to preserve the current behaviour, or returns the
logical OR comparison of the two parameters.

PR-URL: https://github.com/nodejs/node/pull/37460
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
2021-03-19 12:43:03 +01:00

60 lines
1.6 KiB
JavaScript

// Flags: --expose-internals
'use strict';
require('../common');
const assert = require('assert');
const { aggregateTwoErrors } = require('internal/errors');
assert.strictEqual(aggregateTwoErrors(null, null), null);
{
const err = new Error();
assert.strictEqual(aggregateTwoErrors(null, err), err);
}
{
const err = new Error();
assert.strictEqual(aggregateTwoErrors(err, null), err);
}
{
const err0 = new Error('original');
const err1 = new Error('second error');
err0.code = 'ERR0';
err1.code = 'ERR1';
const chainedError = aggregateTwoErrors(err1, err0);
assert.strictEqual(chainedError.message, err0.message);
assert.strictEqual(chainedError.code, err0.code);
assert.deepStrictEqual(chainedError.errors, [err0, err1]);
}
{
const err0 = new Error('original');
const err1 = new Error('second error');
const err2 = new Error('third error');
err0.code = 'ERR0';
err1.code = 'ERR1';
err2.code = 'ERR2';
const chainedError = aggregateTwoErrors(err2, aggregateTwoErrors(err1, err0));
assert.strictEqual(chainedError.message, err0.message);
assert.strictEqual(chainedError.code, err0.code);
assert.deepStrictEqual(chainedError.errors, [err0, err1, err2]);
}
{
const err0 = new Error('original');
const err1 = new Error('second error');
err0.code = 'ERR0';
err1.code = 'ERR1';
const chainedError = aggregateTwoErrors(null, aggregateTwoErrors(err1, err0));
assert.strictEqual(chainedError.message, err0.message);
assert.strictEqual(chainedError.code, err0.code);
assert.deepStrictEqual(chainedError.errors, [err0, err1]);
}