backend/src/generation/generation.unit.spec.ts

import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import { buildGenerationResponse } from './generation.js';

describe('buildGenerationResponse', () => {
  beforeEach(() => {
    vi.stubGlobal('crypto', { randomUUID: vi.fn(() => 'id') });
  });

  afterEach(() => {
    vi.unstubAllGlobals();
  });

  it('creates queued variants for each image', () => {
    const response = buildGenerationResponse(
      { prompt: 'Photorealistic bottle', preset: 'studio', ratio: '16:9', mode: 'product' },
      [{ originalName: 'bottle.png', mimeType: 'image/png', size: 1000 }],
    );

    expect(response).toMatchObject({
      jobId: 'id',
      provider: 'mock',
      preset: 'studio',
      ratio: '16:9',
      images: [
        {
          id: 'id',
          originalName: 'bottle.png',
          variants: [
            { id: 'id', label: 'Clean studio', status: 'queued' },
            { id: 'id', label: 'Warme food sfeer', status: 'queued' },
            { id: 'id', label: 'Premium donker', status: 'queued' },
          ],
        },
      ],
    });
  });
});