ersatztv/web/src/api/fillerPresets.test.ts

import { beforeEach, describe, expect, it, vi } from 'vitest';
import {
  createFillerPreset,
  deleteFillerPreset,
  getFillerPreset,
  updateFillerPreset,
  type CreateFillerPresetRequest
} from './fillerPresets';

function jsonResponse(body: unknown, status = 200): Response {
  return new Response(JSON.stringify(body), {
    headers: { 'Content-Type': 'application/json' },
    status
  });
}

function noContent(): Response {
  return new Response(null, { status: 204 });
}

const sampleRequest: CreateFillerPresetRequest = {
  allowWatermarks: true,
  collectionId: 5,
  collectionType: 'Collection',
  count: 3,
  duration: null,
  expression: null,
  fillerKind: 'PreRoll',
  fillerMode: 'Count',
  mediaItemId: null,
  multiCollectionId: null,
  name: 'Intro',
  padToNearestMinute: null,
  playlistId: null,
  smartCollectionId: null,
  useChaptersAsMediaItems: false
};

describe('filler presets api client', () => {
  beforeEach(() => {
    window.localStorage.clear();
    vi.restoreAllMocks();
  });

  it('getFillerPreset fetches a preset by id', async () => {
    const fetchMock = vi.spyOn(window, 'fetch').mockResolvedValue(jsonResponse({ id: 4, name: 'Intro' }));

    await expect(getFillerPreset(4)).resolves.toMatchObject({ id: 4 });
    expect(fetchMock).toHaveBeenCalledWith('/api/filler-presets/4', expect.objectContaining({ method: 'GET' }));
  });

  it('createFillerPreset POSTs the request body', async () => {
    const fetchMock = vi.spyOn(window, 'fetch').mockResolvedValue(jsonResponse({ id: 7, name: 'Intro' }, 201));

    await expect(createFillerPreset(sampleRequest)).resolves.toMatchObject({ id: 7 });

    const [url, init] = fetchMock.mock.calls[0];
    expect(url).toBe('/api/filler-presets');
    expect(init).toMatchObject({ method: 'POST' });
    expect(JSON.parse(String(init?.body)).fillerKind).toBe('PreRoll');
  });

  it('updateFillerPreset PUTs to the id route', async () => {
    const fetchMock = vi.spyOn(window, 'fetch').mockResolvedValue(jsonResponse({ id: 3, name: 'Intro' }));

    await updateFillerPreset(3, sampleRequest);

    const [url, init] = fetchMock.mock.calls[0];
    expect(url).toBe('/api/filler-presets/3');
    expect(init).toMatchObject({ method: 'PUT' });
  });

  it('deleteFillerPreset issues a DELETE and resolves on 204', async () => {
    const fetchMock = vi.spyOn(window, 'fetch').mockResolvedValue(noContent());

    await expect(deleteFillerPreset(9)).resolves.toBeUndefined();
    expect(fetchMock).toHaveBeenCalledWith('/api/filler-presets/9', expect.objectContaining({ method: 'DELETE' }));
  });
});