From d17a9cc0d8affb9e22950c5c5c9673accc7492f8 Mon Sep 17 00:00:00 2001
From: Idan Attias <idana@wix.com>
Date: Tue, 5 Nov 2019 13:06:06 +0200
Subject: [PATCH] jest-utils: add a getter for process.domain

Fixes #7247: Explicitly copy domain to new process
---
 .../jest-util/src/__tests__/createProcessObject.test.ts   | 8 ++++++++
 packages/jest-util/src/createProcessObject.ts             | 6 ++++++
 2 files changed, 14 insertions(+)

diff --git a/packages/jest-util/src/__tests__/createProcessObject.test.ts b/packages/jest-util/src/__tests__/createProcessObject.test.ts
index c1658f793983..1af70c531084 100644
--- a/packages/jest-util/src/__tests__/createProcessObject.test.ts
+++ b/packages/jest-util/src/__tests__/createProcessObject.test.ts
@@ -6,6 +6,7 @@
  */
 
 import {EventEmitter} from 'events';
+import * as domain from 'domain';
 
 let createProcessObject;
 
@@ -105,3 +106,10 @@ it('checks that process.env works as expected in Windows platforms', () => {
   expect(fake.hasOwnProperty('PROP_STRING')).toBe(false);
   expect(fake.hasOwnProperty('PROP_string')).toBe(false);
 });
+
+test('allows retrieving the current domain', () => {
+  const aDomain = domain.create();
+  process.domain = aDomain;
+
+  expect(createProcessObject().domain).toEqual(aDomain);
+});
diff --git a/packages/jest-util/src/createProcessObject.ts b/packages/jest-util/src/createProcessObject.ts
index 53d18dd43cb5..e04f48a5a3b5 100644
--- a/packages/jest-util/src/createProcessObject.ts
+++ b/packages/jest-util/src/createProcessObject.ts
@@ -112,5 +112,11 @@ export default function() {
   newProcess.env = createProcessEnv();
   newProcess.send = () => {};
 
+  Object.defineProperty(newProcess, 'domain', {
+    get() {
+      return process.domain;
+    },
+  });
+
   return newProcess;
 }