OpenRouter Image MCP Server

import { describe, it, expect, beforeEach, afterEach } from 'vitest'; import { Config } from '../../src/config/index.js'; describe('Config', () => { let originalEnv: NodeJS.ProcessEnv; beforeEach(() => { // Store original environment originalEnv = { ...process.env }; // Clear any existing instance by resetting the singleton (Config as any).instance = undefined; // Set required environment variables for testing process.env.OPENROUTER_API_KEY = 'test-api-key'; process.env.OPENROUTER_MODEL = 'test-model'; process.env.LOG_LEVEL = 'info'; // Set explicit log level for testing }); afterEach(() => { // Restore original environment process.env = originalEnv; // Reset singleton instance (Config as any).instance = undefined; }); it('should throw error when OPENROUTER_API_KEY is missing', () => { delete process.env.OPENROUTER_API_KEY; expect(() => { Config.getInstance(); }).toThrow('OPENROUTER_API_KEY environment variable is required'); }); it('should use default values when optional environment variables are not set', () => { // Remove the model to test default behavior delete process.env.OPENROUTER_MODEL; const config = Config.getInstance(); const openRouterConfig = config.getOpenRouterConfig(); const serverConfig = config.getServerConfig(); expect(openRouterConfig.model).toBe('anthropic/claude-3.5-sonnet'); expect(openRouterConfig.baseUrl).toBe('https://openrouter.ai/api/v1'); expect(serverConfig.port).toBe(3000); expect(serverConfig.logLevel).toBe('info'); expect(serverConfig.retryAttempts).toBe(3); expect(serverConfig.maxImageSize).toBe(10485760); }); it('should use custom values when environment variables are set', () => { // Reset singleton and set custom environment variables (Config as any).instance = undefined; process.env.OPENROUTER_MODEL = 'custom-model'; process.env.OPENROUTER_BASE_URL = 'https://custom.api.com'; process.env.PORT = '8080'; process.env.LOG_LEVEL = 'debug'; process.env.RETRY_ATTEMPTS = '5'; process.env.MAX_IMAGE_SIZE = '20971520'; const config = Config.getInstance(); const openRouterConfig = config.getOpenRouterConfig(); const serverConfig = config.getServerConfig(); expect(openRouterConfig.model).toBe('custom-model'); expect(openRouterConfig.baseUrl).toBe('https://custom.api.com'); expect(serverConfig.port).toBe(8080); expect(serverConfig.logLevel).toBe('debug'); expect(serverConfig.retryAttempts).toBe(5); expect(serverConfig.maxImageSize).toBe(20971520); }); it('should return singleton instance', () => { const config1 = Config.getInstance(); const config2 = Config.getInstance(); expect(config1).toBe(config2); }); });