fix(v8/node): Enforce that ContextLines integration does not leave open file handles (#14997)

v8 backport of #14995

Author: AbhiPrasad

CHANGELOG.md

@@ -10,7 +10,7 @@
 
 - "You miss 100 percent of the chances you don't take. — Wayne Gretzky" — Michael Scott
 
-Work in this release was contributed by @HHK1. Thank you for your contribution!
+Work in this release was contributed by @HHK1 and @mstrokin. Thank you for your contribution!
 
 ## 8.48.0
 

dev-packages/node-integration-tests/suites/contextLines/instrument.mjs renamed to dev-packages/node-integration-tests/suites/contextLines/filename-with-spaces/instrument.mjs

@@ -1,6 +1,6 @@
 import { join } from 'path';
-import { conditionalTest } from '../../utils';
-import { createRunner } from '../../utils/runner';
+import { conditionalTest } from '../../../utils';
+import { createRunner } from '../../../utils/runner';
 
 conditionalTest({ min: 18 })('ContextLines integration in ESM', () => {
   test('reads encoded context lines from filenames with spaces', done => {

dev-packages/node-integration-tests/suites/contextLines/scenario with space.cjs renamed to dev-packages/node-integration-tests/suites/contextLines/filename-with-spaces/scenario with space.cjs

@@ -0,0 +1,5 @@
+import * as Sentry from '@sentry/node';
+
+export function captureException(i: number): void {
+  Sentry.captureException(new Error(`error in loop ${i}`));
+}

dev-packages/node-integration-tests/suites/contextLines/scenario with space.mjs renamed to dev-packages/node-integration-tests/suites/contextLines/filename-with-spaces/scenario with space.mjs

@@ -0,0 +1,7 @@
+import { captureException } from './nested-file';
+
+export function runSentry(): void {
+  for (let i = 0; i < 10; i++) {
+    captureException(i);
+  }
+}

dev-packages/node-integration-tests/suites/contextLines/test.ts renamed to dev-packages/node-integration-tests/suites/contextLines/filename-with-spaces/test.ts

@@ -0,0 +1,30 @@
+import { execSync } from 'node:child_process';
+import * as path from 'node:path';
+
+import { loggingTransport } from '@sentry-internal/node-integration-tests';
+import * as Sentry from '@sentry/node';
+
+Sentry.init({
+  dsn: 'https://public@dsn.ingest.sentry.io/1337',
+  release: '1.0',
+  transport: loggingTransport,
+});
+
+import { runSentry } from './other-file';
+
+runSentry();
+
+const lsofOutput = execSync(`lsof -p ${process.pid}`, { encoding: 'utf8' });
+const lsofTable = lsofOutput.split('\n');
+const mainPath = __dirname.replace(`${path.sep}suites${path.sep}contextLines${path.sep}memory-leak`, '');
+const numberOfLsofEntriesWithMainPath = lsofTable.filter(entry => entry.includes(mainPath));
+
+// There should only be a single entry with the main path, otherwise we are leaking file handles from the
+// context lines integration.
+if (numberOfLsofEntriesWithMainPath.length > 1) {
+  // eslint-disable-next-line no-console
+  console.error('Leaked file handles detected');
+  // eslint-disable-next-line no-console
+  console.error(lsofTable);
+  process.exit(1);
+}

dev-packages/node-integration-tests/suites/contextLines/memory-leak/nested-file.ts

@@ -0,0 +1,17 @@
+import { conditionalTest } from '../../../utils';
+import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
+
+conditionalTest({ min: 18 })('ContextLines integration in CJS', () => {
+  afterAll(() => {
+    cleanupChildProcesses();
+  });
+
+  // Regression test for: https://github.com/getsentry/sentry-javascript/issues/14892
+  test('does not leak open file handles', done => {
+    createRunner(__dirname, 'scenario.ts')
+      .expectN(10, {
+        event: {},
+      })
+      .start(done);
+  });
+});