test: terminate cluster worker in infinite loop

Verify that worker.process.kill() can terminate a cluster worker stuck in an infinite loop. PR-URL: #23165 Fixes: #22703 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>
nodejs · Oct 5, 2018 · 06b5ef3 · 06b5ef3
1 parent 5836b9f
commit 06b5ef3
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/test/parallel/test-cluster-kill-infinite-loop.js b/test/parallel/test-cluster-kill-infinite-loop.js
@@ -0,0 +1,21 @@
+'use strict';
+const common = require('../common');
+const cluster = require('cluster');
+const assert = require('assert');
+
+if (cluster.isMaster) {
+  const worker = cluster.fork();
+
+  worker.on('online', common.mustCall(() => {
+    // Use worker.process.kill() instead of worker.kill() because the latter
+    // waits for a graceful disconnect, which will never happen.
+    worker.process.kill();
+  }));
+
+  worker.on('exit', common.mustCall((code, signal) => {
+    assert.strictEqual(code, null);
+    assert.strictEqual(signal, 'SIGTERM');
+  }));
+} else {
+  while (true) {}
+}