Skip to content

Commit

Permalink
test: whitelist the expected modules in test-bootstrap-modules.js
Browse files Browse the repository at this point in the history 
Be explicit on the modules that are expected to be loaded and add an
appropriate assertion failure message to help debug when the list
changes.

Fixes: #23884

PR-URL: #26531
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
  • Loading branch information
@richardlau
richardlau committed Mar 13, 2019
1 parent 5672ab7 commit 0c1e93b
Showing 1 changed file with 123 additions and 7 deletions.
130 changes: 123 additions & 7 deletions test/parallel/test-bootstrap-modules.js
View file
Expand Up @@ -3,15 +3,131 @@


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


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


const isMainThread = common.isMainThread; const expectedModules = new Set([
const kCoverageModuleCount = process.env.NODE_V8_COVERAGE ? 1 : 0; 'Internal Binding async_wrap',
const kMaxModuleCount = (isMainThread ? 65 : 88) + kCoverageModuleCount; 'Internal Binding buffer',
'Internal Binding config',
'Internal Binding constants',
'Internal Binding contextify',
'Internal Binding credentials',
'Internal Binding fs',
'Internal Binding inspector',
'Internal Binding messaging',
'Internal Binding module_wrap',
'Internal Binding native_module',
'Internal Binding options',
'Internal Binding process_methods',
'Internal Binding task_queue',
'Internal Binding timers',
'Internal Binding trace_events',
'Internal Binding types',
'Internal Binding url',
'Internal Binding util',
'NativeModule buffer',
'NativeModule events',
'NativeModule fs',
'NativeModule internal/assert',
'NativeModule internal/async_hooks',
'NativeModule internal/bootstrap/pre_execution',
'NativeModule internal/buffer',
'NativeModule internal/console/constructor',
'NativeModule internal/console/global',
'NativeModule internal/constants',
'NativeModule internal/domexception',
'NativeModule internal/encoding',
'NativeModule internal/errors',
'NativeModule internal/fixed_queue',
'NativeModule internal/fs/utils',
'NativeModule internal/idna',
'NativeModule internal/linkedlist',
'NativeModule internal/modules/cjs/helpers',
'NativeModule internal/modules/cjs/loader',
'NativeModule internal/options',
'NativeModule internal/priority_queue',
'NativeModule internal/process/execution',
'NativeModule internal/process/per_thread',
'NativeModule internal/process/promises',
'NativeModule internal/process/task_queues',
'NativeModule internal/process/warning',
'NativeModule internal/querystring',
'NativeModule internal/timers',
'NativeModule internal/url',
'NativeModule internal/util',
'NativeModule internal/util/debuglog',
'NativeModule internal/util/inspect',
'NativeModule internal/util/types',
'NativeModule internal/validators',
'NativeModule path',
'NativeModule timers',
'NativeModule url',
'NativeModule util',
'NativeModule vm',
]);


assert(list.length <= kMaxModuleCount, if (common.isMainThread) {
`Total length: ${list.length}\n` + list.join('\n') expectedModules.add('NativeModule internal/process/main_thread_only');
); expectedModules.add('NativeModule internal/process/stdio');
} else {
expectedModules.add('Internal Binding heap_utils');
expectedModules.add('Internal Binding serdes');
expectedModules.add('Internal Binding stream_wrap');
expectedModules.add('Internal Binding symbols');
expectedModules.add('Internal Binding uv');
expectedModules.add('Internal Binding v8');
expectedModules.add('Internal Binding worker');
expectedModules.add('NativeModule _stream_duplex');
expectedModules.add('NativeModule _stream_passthrough');
expectedModules.add('NativeModule _stream_readable');
expectedModules.add('NativeModule _stream_transform');
expectedModules.add('NativeModule _stream_writable');
expectedModules.add('NativeModule internal/error-serdes');
expectedModules.add('NativeModule internal/process/worker_thread_only');
expectedModules.add('NativeModule internal/stream_base_commons');
expectedModules.add('NativeModule internal/streams/buffer_list');
expectedModules.add('NativeModule internal/streams/destroy');
expectedModules.add('NativeModule internal/streams/end-of-stream');
expectedModules.add('NativeModule internal/streams/legacy');
expectedModules.add('NativeModule internal/streams/pipeline');
expectedModules.add('NativeModule internal/streams/state');
expectedModules.add('NativeModule internal/worker');
expectedModules.add('NativeModule internal/worker/io');
expectedModules.add('NativeModule module');
expectedModules.add('NativeModule stream');
expectedModules.add('NativeModule v8');
expectedModules.add('NativeModule worker_threads');
}

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

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

if (process.env.NODE_V8_COVERAGE) {
expectedModules.add('NativeModule internal/profiler');
}

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) : ''));

0 comments on commit 0c1e93b

Please sign in to comment.