feat: centralize application framework primitives

packages/queue/test/queue.test.ts

@@ -5,8 +5,27 @@ import {
   cronToInterval,
   defineWorkflow,
   memoryQueueStore,
+  defineWorker,
+  runWorker,
 } from "../src/index.ts";
 
+test("durable queues batch enqueue and worker lifecycle are idempotent", async () => {
+  const queue = createDurableQueue();
+  const seen: number[] = [];
+  const worker = runWorker(
+    queue,
+    defineWorker<number>({ name: "number", handler: (job) => void seen.push(job.data) }),
+  );
+  await worker.start();
+  await worker.start();
+  const jobs = await queue.addBatch("number", [{ data: 1 }, { data: 2 }]);
+  expect(jobs).toHaveLength(2);
+  await queue.drain();
+  expect(seen).toEqual([1, 2]);
+  await worker.stop();
+  expect(worker.running).toBe(false);
+});
+
 test("processes a job", async () => {
   const queue = createQueue();
   const done: string[] = [];