refactor: cleanup

sdk/node/test/support.mts

@@ -0,0 +1,22 @@
+import { DonutClient } from "../src/index.mts";
+import { FakeDonut } from "./fake-donut.mts";
+
+export const TOKEN = "test-token-abc123";
+
+/** Start a fake app, point a client at it, and always shut the server down. */
+export async function withClient<T>(
+  work: (client: DonutClient, fake: FakeDonut) => Promise<T>,
+): Promise<T> {
+  const fake = await new FakeDonut().start();
+  try {
+    const client = new DonutClient({
+      token: TOKEN,
+      port: fake.port,
+      timeoutMs: 5_000,
+      env: {},
+    });
+    return await work(client, fake);
+  } finally {
+    await fake.stop();
+  }
+}