fix: address widget review feedback

packages/request-handler/src/immich.spec.ts

@@ -0,0 +1,50 @@
+import { beforeEach, describe, expect, test, vi } from "vitest";
+
+import { immichAlbumsRequestHandler } from "./immich";
+
+const mocks = vi.hoisted(() => ({
+  createIntegrationAsync: vi.fn(),
+}));
+
+vi.mock("@homarr/integrations", () => ({
+  createIntegrationAsync: mocks.createIntegrationAsync,
+}));
+
+const integration = {
+  id: "immich-integration",
+  kind: "immich",
+} as Parameters<typeof immichAlbumsRequestHandler.handler>[0];
+
+const albums = [
+  { id: "upstream-first", albumName: "Zebra", assetCount: 1 },
+  { id: "second-b", albumName: "Beta", assetCount: 10 },
+  { id: "second-a", albumName: "Alpha", assetCount: 10 },
+];
+
+describe("immichAlbumsRequestHandler", () => {
+  beforeEach(() => {
+    immichAlbumsRequestHandler.invalidateCache();
+    mocks.createIntegrationAsync.mockReset();
+  });
+
+  test("sorts deterministically before caching a limited response", async () => {
+    const getAlbumsAsync = vi.fn().mockResolvedValue(albums);
+    mocks.createIntegrationAsync.mockResolvedValue({ getAlbumsAsync });
+
+    const first = await immichAlbumsRequestHandler.handler(integration, { limit: 2 }).getDataAsync();
+    const cached = await immichAlbumsRequestHandler.handler(integration, { limit: 2 }).getDataAsync();
+
+    expect(first.data.map(({ id }) => id)).toStrictEqual(["second-a", "second-b"]);
+    expect(cached.data).toStrictEqual(first.data);
+    expect(getAlbumsAsync).toHaveBeenCalledOnce();
+  });
+
+  test("preserves upstream order when no limit is requested", async () => {
+    const getAlbumsAsync = vi.fn().mockResolvedValue(albums);
+    mocks.createIntegrationAsync.mockResolvedValue({ getAlbumsAsync });
+
+    const result = await immichAlbumsRequestHandler.handler(integration, {}).getDataAsync();
+
+    expect(result.data).toStrictEqual(albums);
+  });
+});