web: load the news list on /aktuelt a page at a time

web/tests/smoke/smoke.test.ts

@@ -167,6 +167,24 @@ describe("events api", () => {
   });
 });
 
+describe("news api", () => {
+  test("pages through the articles for \"load more\" on /aktuelt", async () => {
+    const res = await fetch(app("/api/v1/news?offset=0&limit=5"));
+    expect(res.status).toBe(200);
+    const body = (await res.json()) as {
+      news: Array<{ slug: string }>;
+      total: number;
+    };
+    expect(body.total).toBe(1);
+    expect(body.news.map((n) => n.slug)).toEqual([SLUGS.news]);
+  });
+
+  test("rejects a limit that is too large", async () => {
+    const res = await fetch(app("/api/v1/news?limit=1000"));
+    expect(res.status).toBe(400);
+  });
+});
+
 describe("image optimizer", () => {
   test("optimizes a CMS-hosted image", async () => {
     const src = encodeURIComponent(mock("/media/pig.png"));