OpenRouter Image MCP Server

import { describe, it, expect, beforeEach } from 'vitest'; import { ImageProcessor } from '../../src/utils/image-processor.js'; import { Logger } from '../../src/utils/logger.js'; describe('ImageProcessor', () => { let imageProcessor: ImageProcessor; beforeEach(() => { // Mock logger to avoid console output during tests Logger.getInstance(); imageProcessor = ImageProcessor.getInstance(); }); describe('isValidImageType', () => { it('should return true for valid image types', () => { expect(imageProcessor.isValidImageType('image/jpeg')).toBe(true); expect(imageProcessor.isValidImageType('image/png')).toBe(true); expect(imageProcessor.isValidImageType('image/webp')).toBe(true); expect(imageProcessor.isValidImageType('image/gif')).toBe(true); }); it('should return false for invalid image types', () => { expect(imageProcessor.isValidImageType('application/pdf')).toBe(false); expect(imageProcessor.isValidImageType('text/plain')).toBe(false); expect(imageProcessor.isValidImageType('video/mp4')).toBe(false); expect(imageProcessor.isValidImageType('')).toBe(false); }); }); describe('processImage', () => { it('should process base64 image data correctly', async () => { // Simple 1x1 PNG pixel in base64 const base64Png = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg=='; const result = await imageProcessor.processImage({ type: 'base64', data: base64Png, mimeType: 'image/png' }); expect(result.data).toBe(base64Png); expect(result.mimeType).toBe('image/png'); expect(result.size).toBeGreaterThan(0); }); it('should auto-detect MIME type for base64 data', async () => { const base64Png = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg=='; const result = await imageProcessor.processImage({ type: 'base64', data: base64Png }); expect(result.mimeType).toBe('image/png'); }); it('should remove data URL prefix from base64 input', async () => { const base64Png = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg=='; const dataUrl = `data:image/png;base64,${base64Png}`; const result = await imageProcessor.processImage({ type: 'base64', data: dataUrl }); expect(result.data).toBe(base64Png); expect(result.mimeType).toBe('image/png'); }); }); });