node/test/parallel/test-dotenv-node-options.js

'use strict';

const common = require('../common');
const assert = require('node:assert');
const { describe, it } = require('node:test');

if (process.config.variables.node_without_node_options) {
  common.skip('missing NODE_OPTIONS support');
}

const relativePath = '../fixtures/dotenv/node-options.env';

describe('.env supports NODE_OPTIONS', () => {

  it('should have access to permission scope', async () => {
    const code = `
      require('assert')(process.permission.has('fs.read'));
    `.trim();
    const child = await common.spawnPromisified(
      process.execPath,
      [ `--env-file=${relativePath}`, '--eval', code ],
      { cwd: __dirname },
    );
    // NODE_NO_WARNINGS is set, so `stderr` should not contain
    // "ExperimentalWarning: Permission is an experimental feature" message
    // and thus be empty
    assert.strictEqual(child.stdout, '');
    assert.strictEqual(child.stderr, '');
    assert.strictEqual(child.code, 0);
  });

  it('validate only read permissions are enabled', async () => {
    const code = `
      require('fs').writeFileSync(require('path').join(__dirname, 'should-not-write.txt'), 'hello', 'utf-8')
    `.trim();
    const child = await common.spawnPromisified(
      process.execPath,
      [ `--env-file=${relativePath}`, '--eval', code ],
      { cwd: __dirname },
    );
    assert.match(child.stderr, /Error: Access to this API has been restricted/);
    assert.match(child.stderr, /code: 'ERR_ACCESS_DENIED'/);
    assert.match(child.stderr, /permission: 'FileSystemWrite'/);
    assert.strictEqual(child.code, 1);
  });

  it('TZ environment variable', { skip: !common.hasIntl || process.config.variables.icu_small }, async () => {
    const code = `
      require('assert')(new Date().toString().includes('Hawaii'))
    `.trim();
    const child = await common.spawnPromisified(
      process.execPath,
      [ `--env-file=${relativePath}`, '--eval', code ],
      { cwd: __dirname },
    );
    assert.strictEqual(child.stderr, '');
    assert.strictEqual(child.code, 0);
  });

  it('should update UV_THREADPOOL_SIZE', async () => {
    const code = `
      require('assert').strictEqual(process.env.UV_THREADPOOL_SIZE, '5')
    `.trim();
    const child = await common.spawnPromisified(
      process.execPath,
      [ `--env-file=${relativePath}`, '--eval', code ],
      { cwd: __dirname },
    );
    assert.strictEqual(child.stderr, '');
    assert.strictEqual(child.code, 0);
  });

});