denoland-deno/cli/tests/node_compat/test/parallel/test-child-process-exec-env.js

// deno-fmt-ignore-file
// deno-lint-ignore-file

// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
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'use strict';
const { isWindows } = require('../common');
const assert = require('assert');
const exec = require('child_process').exec;
const debug = require('util').debuglog('test');

let success_count = 0;
let error_count = 0;
let response = '';
let child;

function after(err, stdout, stderr) {
  if (err) {
    error_count++;
    debug(`error!: ${err.code}`);
    debug(`stdout: ${JSON.stringify(stdout)}`);
    debug(`stderr: ${JSON.stringify(stderr)}`);
    assert.strictEqual(err.killed, false);
  } else {
    success_count++;
    assert.notStrictEqual(stdout, '');
  }
}

if (!isWindows) {
  child = exec('/usr/bin/env', { env: { 'HELLO': 'WORLD' } }, after);
} else {
  child = exec('set',
               { env: { ...process.env, 'HELLO': 'WORLD' } },
               after);
}

child.stdout.setEncoding('utf8');
child.stdout.on('data', function(chunk) {
  response += chunk;
});

process.on('exit', function() {
  debug('response: ', response);
  assert.strictEqual(success_count, 1);
  assert.strictEqual(error_count, 0);
  assert.ok(response.includes('HELLO=WORLD'));
});