test: allow leaked global check to be skipped

This simplifies the process of running tests on different
versions of Node, which might have a different set of
global variables.

PR-URL: https://github.com/nodejs/node/pull/27239
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/test/parallel/test-common.js b/test/parallel/test-common.js
index 62f4eb050f..ad5680bc2f 100644
--- a/test/parallel/test-common.js
+++ b/test/parallel/test-common.js
@@ -35,6 +35,17 @@ const { execFile } = require('child_process');
   }));
 }
 
+// Test for disabling leaked global detection
+{
+  const p = fixtures.path('leakedGlobal.js');
+  execFile(process.execPath, [p], {
+    env: { ...process.env, NODE_TEST_KNOWN_GLOBALS: 0 }
+  }, common.mustCall((err, stdout, stderr) => {
+    assert.strictEqual(err, null);
+    assert.strictEqual(stderr.trim(), '');
+  }));
+}
+
 // common.mustCall() tests
 assert.throws(function() {
   common.mustCall(function() {}, 'foo');