From 2d4de656d2ab40072ee768b7540a79fd0d7f3f2c Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sat, 17 Jan 2026 19:20:40 +0000
Subject: [PATCH] test: avoid global SIGTERM emit in child-process-bridge

---
 src/process/child-process-bridge.test.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/process/child-process-bridge.test.ts b/src/process/child-process-bridge.test.ts
index 128dae6de..d6c886d4a 100644
--- a/src/process/child-process-bridge.test.ts
+++ b/src/process/child-process-bridge.test.ts
@@ -79,6 +79,7 @@ describe("attachChildProcessBridge", () => {
   it("forwards SIGTERM to the wrapped child", async () => {
     const childPath = path.resolve(process.cwd(), "test/fixtures/child-process-bridge/child.js");
 
+    const beforeSigterm = new Set(process.listeners("SIGTERM"));
     const child = spawn(process.execPath, [childPath], {
       stdio: ["ignore", "pipe", "inherit"],
       env: process.env,
@@ -86,6 +87,8 @@ describe("attachChildProcessBridge", () => {
     const { detach } = attachChildProcessBridge(child);
     detachments.push(detach);
     children.push(child);
+    const afterSigterm = process.listeners("SIGTERM");
+    const addedSigterm = afterSigterm.find((listener) => !beforeSigterm.has(listener));
 
     if (!child.stdout) throw new Error("expected stdout");
     const portLine = await waitForLine(child.stdout);
@@ -95,7 +98,8 @@ describe("attachChildProcessBridge", () => {
     expect(await canConnect(port)).toBe(true);
 
     // Simulate systemd sending SIGTERM to the parent process.
-    process.emit("SIGTERM");
+    if (!addedSigterm) throw new Error("expected SIGTERM listener");
+    addedSigterm();
 
     await new Promise<void>((resolve, reject) => {
       const timeout = setTimeout(() => reject(new Error("timeout waiting for child exit")), 10_000);