fix: Revert breaking changes for detectOpenHandles

CHANGELOG.md

@@ -7,7 +7,7 @@
 - `[jest-config]` [**BREAKING**] Add `mts` and `cts` to default `moduleFileExtensions` config ([#14369](https://github.com/facebook/jest/pull/14369))
 - `[jest-config]` [**BREAKING**] Update `testMatch` and `testRegex` default option for supporting `mjs`, `cjs`, `mts`, and `cts` ([#14584](https://github.com/jestjs/jest/pull/14584))
 - `[jest-config]` Loads config file from provided path in `package.json` ([#14044](https://github.com/facebook/jest/pull/14044))
-- `[@jest/core]` [**BREAKING**] Group together open handles with the same stack trace ([#13417](https://github.com/jestjs/jest/pull/13417), & [#14543](https://github.com/jestjs/jest/pull/14543))
+- `[@jest/core]` Group together open handles with the same stack trace ([#13417](https://github.com/jestjs/jest/pull/13417), & [#14789](https://github.com/jestjs/jest/pull/14789))
 - `[@jest/core]` Add `perfStats` to surface test setup overhead ([#14622](https://github.com/jestjs/jest/pull/14622))
 - `[@jest/core]` [**BREAKING**] Changed `--filter` to accept an object with shape `{ filtered: Array<string> }` to match [documentation](https://jestjs.io/docs/cli#--filterfile) ([#13319](https://github.com/jestjs/jest/pull/13319))
 - `[@jest/core, @jest/test-sequencer]` [**BREAKING**] Exposes `globalConfig` & `contexts` to `TestSequencer` ([#14535](https://github.com/jestjs/jest/pull/14535), & [#14543](https://github.com/jestjs/jest/pull/14543))

e2e/__tests__/__snapshots__/detectOpenHandles.ts.snap

@@ -19,7 +19,7 @@ exports[`prints message about flag on slow tests with a custom timeout 1`] = `
 exports[`prints out info about open handlers 1`] = `
 "Jest has detected the following 1 open handle potentially keeping Jest from exiting:
 
-  ●  DNSCHANNEL,TCPSERVERWRAP
+  ●  TCPSERVERWRAP
 
       12 | const app = new Server();
       13 |

packages/jest-core/src/__tests__/collectHandles.test.js

@@ -32,10 +32,8 @@ describe('collectHandles', () => {
   it('should not collect the PerformanceObserver open handle', async () => {
     const handleCollector = collectHandles();
 
-    let obs = new PerformanceObserver((list, observer) => {});
+    const obs = new PerformanceObserver((list, observer) => {});
     obs.observe({entryTypes: ['mark']});
-    obs.disconnect();
-    obs = null;
 
     const openHandles = await handleCollector();
 
@@ -47,12 +45,9 @@ describe('collectHandles', () => {
   it('should not collect the DNSCHANNEL open handle', async () => {
     const handleCollector = collectHandles();
 
-    let resolver = new dns.Resolver();
+    const resolver = new dns.Resolver();
     resolver.getServers();
 
-    // We must drop references to it
-    resolver = null;
-
     const openHandles = await handleCollector();
 
     expect(openHandles).not.toContainEqual(
@@ -141,11 +136,10 @@ describe('collectHandles', () => {
     );
   });
 
-  it('should not be false positives for some special objects such as `TLSWRAP`', async () => {
+  it('should not collect the `TLSWRAP` open handle', async () => {
     const handleCollector = collectHandles();
 
     const socket = new TLSSocket();
-    socket.destroy();
 
     const openHandles = await handleCollector();
 

packages/jest-core/src/collectHandles.ts

@@ -82,7 +82,20 @@ export default function collectHandles(): HandleCollectionResult {
       // Skip resources that should not generally prevent the process from
       // exiting, not last a meaningfully long time, or otherwise shouldn't be
       // tracked.
-      if (type === 'PROMISE') {
+      if (
+        [
+          'PROMISE',
+          'TIMERWRAP',
+          'ELDHISTOGRAM',
+          'PerformanceObserver',
+          'RANDOMBYTESREQUEST',
+          'DNSCHANNEL',
+          'ZLIB',
+          'SIGNREQUEST',
+          'TLSWRAP',
+          'TCPWRAP',
+        ].includes(type)
+      ) {
         return;
       }
       const error = new ErrorWithStack(type, initHook, 100);
@@ -136,8 +149,6 @@ export default function collectHandles(): HandleCollectionResult {
       await asyncSleep(30);
 
       if (activeHandles.size > 0) {
-        // For some special objects such as `TLSWRAP`.
-        // Ref: https://github.com/jestjs/jest/issues/11665
         runGC();
 
         await asyncSleep(0);