1 files changed, 33 insertions, 0 deletions
diff --git a/tests/node_compat/test/common/index.js b/tests/node_compat/test/common/index.js
index 9f5b4814c..2ebb22da2 100644
--- a/tests/node_compat/test/common/index.js
+++ b/tests/node_compat/test/common/index.js
@@ -11,10 +11,12 @@
  */
 'use strict';
 const assert = require("assert");
+const { spawn } = require('child_process');
 const path = require("path");
 const util = require("util");
 const tmpdir = require("./tmpdir");
 
+
 function platformTimeout(ms) {
   return ms;
 }
@@ -442,6 +444,36 @@ const pwdCommand = isWindows ?
   ['cmd.exe', ['/d', '/c', 'cd']] :
   ['pwd', []];
 
+  function spawnPromisified(...args) {
+    let stderr = '';
+    let stdout = '';
+  
+    const child = spawn(...args);
+    child.stderr.setEncoding('utf8');
+    child.stderr.on('data', (data) => { stderr += data; });
+    child.stdout.setEncoding('utf8');
+    child.stdout.on('data', (data) => { stdout += data; });
+  
+    return new Promise((resolve, reject) => {
+      child.on('close', (code, signal) => {
+        resolve({
+          code,
+          signal,
+          stderr,
+          stdout,
+        });
+      });
+      child.on('error', (code, signal) => {
+        reject({
+          code,
+          signal,
+          stderr,
+          stdout,
+        });
+      });
+    });
+  }
+
 module.exports = {
   allowGlobals,
   expectsError,
@@ -464,6 +496,7 @@ module.exports = {
   printSkipMessage,
   pwdCommand,
   skipIfDumbTerminal,
+  spawnPromisified,
   isDumbTerminal,
   isWindows,
   isAIX,