node/test/parallel/test-bootstrap-modules.js

// Flags: --expose-internals
'use strict';

// This list must be computed before we require any modules to
// to eliminate the noise.
const actualModules = new Set(process.moduleLoadList.slice());

const common = require('../common');
const assert = require('assert');

const expectedModules = new Set([
  'Internal Binding async_wrap',
  'Internal Binding blob',
  'Internal Binding buffer',
  'Internal Binding builtins',
  'Internal Binding config',
  'Internal Binding constants',
  'Internal Binding contextify',
  'Internal Binding credentials',
  'Internal Binding errors',
  'Internal Binding fs',
  'Internal Binding messaging',
  'Internal Binding mksnapshot',
  'Internal Binding module_wrap',
  'Internal Binding options',
  'Internal Binding performance',
  'Internal Binding process_methods',
  'Internal Binding string_decoder',
  'Internal Binding symbols',
  'Internal Binding task_queue',
  'Internal Binding timers',
  'Internal Binding trace_events',
  'Internal Binding types',
  'Internal Binding url',
  'Internal Binding util',
  'Internal Binding wasm_web_api',
  'Internal Binding worker',
  'NativeModule async_hooks',
  'NativeModule buffer',
  'NativeModule events',
  'NativeModule fs',
  'NativeModule internal/assert',
  'NativeModule internal/async_hooks',
  'NativeModule internal/buffer',
  'NativeModule internal/console/constructor',
  'NativeModule internal/console/global',
  'NativeModule internal/constants',
  'NativeModule internal/dns/utils',
  'NativeModule internal/errors',
  'NativeModule internal/event_target',
  'NativeModule internal/fixed_queue',
  'NativeModule internal/fs/utils',
  'NativeModule internal/idna',
  'NativeModule internal/linkedlist',
  'NativeModule internal/modules/cjs/loader',
  'NativeModule internal/modules/utils',
  'NativeModule internal/modules/esm/utils',
  'NativeModule internal/modules/helpers',
  'NativeModule internal/modules/package_json_reader',
  'NativeModule internal/modules/run_main',
  'NativeModule internal/net',
  'NativeModule internal/options',
  'NativeModule internal/perf/utils',
  'NativeModule internal/priority_queue',
  'NativeModule internal/process/execution',
  'NativeModule internal/process/per_thread',
  'NativeModule internal/process/pre_execution',
  'NativeModule internal/process/promises',
  'NativeModule internal/process/signal',
  'NativeModule internal/process/task_queues',
  'NativeModule internal/process/warning',
  'NativeModule internal/querystring',
  'NativeModule internal/source_map/source_map_cache',
  'NativeModule internal/timers',
  'NativeModule internal/url',
  'NativeModule internal/util',
  'NativeModule internal/util/debuglog',
  'NativeModule internal/util/inspect',
  'NativeModule internal/util/types',
  'NativeModule internal/v8/startup_snapshot',
  'NativeModule internal/validators',
  'NativeModule internal/vm',
  'NativeModule internal/vm/module',
  'NativeModule internal/worker/js_transferable',
  'NativeModule path',
  'NativeModule querystring',
  'NativeModule timers',
  'NativeModule url',
  'NativeModule util',
]);

if (!common.isMainThread) {
  [
    'NativeModule diagnostics_channel',
    'NativeModule internal/abort_controller',
    'NativeModule internal/error_serdes',
    'NativeModule internal/perf/event_loop_utilization',
    'NativeModule internal/process/worker_thread_only',
    'NativeModule internal/streams/add-abort-signal',
    'NativeModule internal/streams/buffer_list',
    'NativeModule internal/streams/compose',
    'NativeModule internal/streams/destroy',
    'NativeModule internal/streams/duplex',
    'NativeModule internal/streams/end-of-stream',
    'NativeModule internal/streams/from',
    'NativeModule internal/streams/legacy',
    'NativeModule internal/streams/operators',
    'NativeModule internal/streams/passthrough',
    'NativeModule internal/streams/pipeline',
    'NativeModule internal/streams/readable',
    'NativeModule internal/streams/state',
    'NativeModule internal/streams/transform',
    'NativeModule internal/streams/utils',
    'NativeModule internal/streams/writable',
    'NativeModule internal/worker',
    'NativeModule internal/worker/io',
    'NativeModule stream',
    'NativeModule stream/promises',
    'NativeModule string_decoder',
    'NativeModule worker_threads',
  ].forEach(expectedModules.add.bind(expectedModules));
}

if (common.isWindows) {
  // On Windows fs needs SideEffectFreeRegExpPrototypeExec which uses vm.
  expectedModules.add('NativeModule vm');
}

if (common.hasIntl) {
  expectedModules.add('Internal Binding icu');
} else {
  expectedModules.add('NativeModule url');
}

if (process.features.inspector) {
  expectedModules.add('Internal Binding inspector');
  expectedModules.add('NativeModule internal/inspector_async_hook');
  expectedModules.add('NativeModule internal/util/inspector');
}

const difference = (setA, setB) => {
  return new Set([...setA].filter((x) => !setB.has(x)));
};
const missingModules = difference(expectedModules, actualModules);
const extraModules = difference(actualModules, expectedModules);
const printSet = (s) => { return `${[...s].sort().join(',\n  ')}\n`; };

assert.deepStrictEqual(actualModules, expectedModules,
                       (missingModules.size > 0 ?
                         'These modules were not loaded:\n  ' +
                         printSet(missingModules) : '') +
                       (extraModules.size > 0 ?
                         'These modules were unexpectedly loaded:\n  ' +
                         printSet(extraModules) : ''));