node/test/sequential/test-init.js

'use strict';
(function() {
  const assert = require('assert');
  const child = require('child_process');
  const util = require('util');
  const common = require('../common');
  if (process.env['TEST_INIT']) {
    util.print('Loaded successfully!');
  } else {
    // change CWD as we do this test so its not dependant on current CWD
    // being in the test folder
    process.chdir(__dirname);

    // slow but simple
    var envCopy = JSON.parse(JSON.stringify(process.env));
    envCopy.TEST_INIT = 1;

    child.exec('"' + process.execPath + '" test-init', {env: envCopy},
        function(err, stdout, stderr) {
          assert.equal(stdout, 'Loaded successfully!',
                       '`node test-init` failed!');
        });
    child.exec('"' + process.execPath + '" test-init.js', {env: envCopy},
        function(err, stdout, stderr) {
          assert.equal(stdout, 'Loaded successfully!',
                       '`node test-init.js` failed!');
        });

    // test-init-index is in fixtures dir as requested by ry, so go there
    process.chdir(common.fixturesDir);

    child.exec('"' + process.execPath + '" test-init-index', {env: envCopy},
        function(err, stdout, stderr) {
          assert.equal(stdout, 'Loaded successfully!',
                       '`node test-init-index failed!');
        });

    // ensures that `node fs` does not mistakenly load the native 'fs' module
    // instead of the desired file and that the fs module loads as
    // expected in node
    process.chdir(common.fixturesDir + '/test-init-native/');

    child.exec('"' + process.execPath + '" fs', {env: envCopy},
        function(err, stdout, stderr) {
          assert.equal(stdout, 'fs loaded successfully',
                       '`node fs` failed!');
        });
  }
})();