test/parallel/test-global.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// persons to whom the Software is furnished to do so, subject to the
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//
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// in all copies or substantial portions of the Software.
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// This test cannot run in strict mode because it tests that `baseFoo` is
// treated as a global without being declared with `var`/`let`/`const`.

/* eslint-disable strict */
const common = require('../common');
const fixtures = require('../common/fixtures');

const assert = require('assert');
const { builtinModules } = require('module');

// Load all modules to actually cover most code parts.
builtinModules.forEach((moduleName) => {
  if (!moduleName.includes('/')) {
    try {
      // This could throw for e.g., crypto if the binary is not compiled
      // accordingly.
      require(moduleName);
    } catch {}
  }
});

{
  const expected = [
    'global',
    'queueMicrotask',
    'clearImmediate',
    'clearInterval',
    'clearTimeout',
    'setImmediate',
    'setInterval',
    'setTimeout'
  ];
  assert.deepStrictEqual(new Set(Object.keys(global)), new Set(expected));
}

common.allowGlobals('bar', 'foo');

baseFoo = 'foo'; // eslint-disable-line no-undef
global.baseBar = 'bar';

assert.strictEqual(global.baseFoo, 'foo',
                   `x -> global.x failed: global.baseFoo = ${global.baseFoo}`);

assert.strictEqual(baseBar, // eslint-disable-line no-undef
                   'bar',
                   // eslint-disable-next-line no-undef
                   `global.x -> x failed: baseBar = ${baseBar}`);

const mod = require(fixtures.path('global', 'plain'));
const fooBar = mod.fooBar;

assert.strictEqual(fooBar.foo, 'foo');

assert.strictEqual(fooBar.bar, 'bar');

assert.strictEqual(Object.prototype.toString.call(global), '[object global]');