init

node_modules/piscina/test/messages.test.ts

@@ -0,0 +1,21 @@
+import assert from 'node:assert/strict';
+import { test } from 'node:test';
+import { resolve } from 'node:path';
+import { once } from 'node:events';
+import Piscina from '..';
+
+test('Pool receive message from workers', async () => {
+  const pool = new Piscina({
+    filename: resolve(__dirname, 'fixtures/eval.js')
+  });
+
+  const messagePromise = once(pool, 'message');
+
+  const taskResult = pool.run(`
+        require('worker_threads').parentPort.postMessage("some message");
+        42
+    `);
+
+  assert.strictEqual(await taskResult, 42);
+  assert.strictEqual((await messagePromise)[0], 'some message');
+});