fix: should catch process.kill error correctly

e2e/runner/test/processKill.test.ts

@@ -1,13 +1,13 @@
 import { dirname, join } from 'node:path';
 import { fileURLToPath } from 'node:url';
-import { expect, it } from '@rstest/core';
+import { it } from '@rstest/core';
 import { runRstestCli } from '../../scripts/';
 
 const __filename = fileURLToPath(import.meta.url);
 
 const __dirname = dirname(__filename);
-it('should catch `Worker exited unexpectedly` error correctly', async () => {
-  const { cli } = await runRstestCli({
+it('should catch `process.kill` error correctly', async () => {
+  const { cli, expectExecFailed, expectLog } = await runRstestCli({
     command: 'rstest',
     args: ['run', 'processKill.test.ts', '--disableConsoleIntercept'],
     options: {
@@ -16,10 +16,12 @@ it('should catch `Worker exited unexpectedly` error correctly', async () => {
       },
     },
   });
-  await cli.exec;
-  expect(cli.exec.process?.exitCode).toBe(1);
+  await expectExecFailed();
 
   const logs = cli.stdout.split('\n').filter(Boolean);
 
-  expect(logs.find((log) => log.includes('Test Files 1 failed'))).toBeDefined();
+  expectLog('Test Files 1 failed', logs);
+
+  expectLog('FAIL  processKill.test.ts > process.kill', logs);
+  expectLog(/process.kill unexpectedly called/, logs);
 });

packages/core/src/runtime/worker/index.ts

@@ -275,7 +275,18 @@ const runInPool = async (
     throw new Error(`process.exit unexpectedly called with "${code}"`);
   };
 
+  const kill = process.kill.bind(process);
+  process.kill = (pid: number, signal?: NodeJS.Signals) => {
+    if (pid === -1 || Math.abs(pid) === process.pid) {
+      throw new Error(
+        `process.kill unexpectedly called with "${pid}" and "${signal}"`,
+      );
+    }
+    return kill(pid, signal);
+  };
+
   cleanups.push(() => {
+    process.kill = kill;
     process.exit = exit;
   });