mcp-image-server/dist/services/__tests__/image-generation-service.openai.mock.test.js

Servidor MCP para geração de imagens e ícones, integrado ao Vibecoding.

import { jest } from '@jest/globals';
import { writeFile } from 'fs/promises';
import { ImageGenerationService } from '../image-generation-service.js';
describe('ImageGenerationService (OpenAI mock manual)', () => {
    it('deve gerar imagem e salvar arquivo (mock manual)', async () => {
        // Cria uma instância e substitui manualmente o openai por um mock
        const service = new ImageGenerationService();
        service.openai = {
            images: {
                generate: jest.fn().mockResolvedValue({
                    data: [{ url: 'https://fake-url.com/fake-image.png' }]
                })
            }
        };
        jest.spyOn(service, 'downloadImage').mockResolvedValue(Buffer.from('fake'));
        jest.spyOn(service, 'processImage').mockResolvedValue(Buffer.from('fake'));
        jest.spyOn({ writeFile }, 'writeFile').mockResolvedValue(undefined);
        const result = await service.generateImage({ prompt: 'mock', width: 128, height: 128, format: 'png' });
        expect(result).toHaveProperty('filePath');
        expect(result).toHaveProperty('filename');
        expect(result.format).toBe('png');
        expect(result.width).toBe(128);
        expect(result.height).toBe(128);
    });
});