feat: granular endpoints for rundown

apps/server/src/services/rundown-service/__tests__/rundownUtils.test.ts

@@ -0,0 +1,39 @@
+import { OntimeRundown } from 'ontime-types';
+import { getPaginated } from '../rundownUtils.js';
+
+describe('getPaginated', () => {
+  // mock cache so we dont run data functions
+  beforeAll(() => {
+    vi.mock('../rundownCache.js', () => ({}));
+  });
+
+  // @ts-expect-error -- we know this is not correct, but good enough for the test
+  const getData = () => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] as OntimeRundown;
+
+  it('should return the correct paginated rundown', () => {
+    const offset = 0;
+    const limit = 1;
+    const result = getPaginated(offset, limit, getData);
+
+    expect(result.rundown).toHaveLength(1);
+    expect(result.total).toBe(10);
+  });
+
+  it('should handle overflows', () => {
+    const offset = 0;
+    const limit = 20;
+    const result = getPaginated(offset, limit, getData);
+
+    expect(result.rundown).toHaveLength(10);
+    expect(result.total).toBe(10);
+  });
+
+  it('should handle out of range', () => {
+    const offset = 11;
+    const limit = Infinity;
+    const result = getPaginated(offset, limit, getData);
+
+    expect(result.rundown).toHaveLength(0);
+    expect(result.total).toBe(10);
+  });
+});