node/test/parallel/test-child-process-spawn-error.js

// Copyright Joyent, Inc. and other Node contributors.
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'use strict';
const common = require('../common');
const spawn = require('child_process').spawn;
const assert = require('assert');

const enoentPath = 'foo123';
const spawnargs = ['bar'];
assert.strictEqual(common.fileExists(enoentPath), false);

const enoentChild = spawn(enoentPath, spawnargs);
enoentChild.on('error', common.mustCall(function(err) {
  assert.strictEqual(err.code, 'ENOENT');
  assert.strictEqual(err.errno, 'ENOENT');
  assert.strictEqual(err.syscall, `spawn ${enoentPath}`);
  assert.strictEqual(err.path, enoentPath);
  assert.deepStrictEqual(err.spawnargs, spawnargs);
}));