DinCoder

import { describe, it, expect, beforeAll, afterAll } from 'vitest'; import request from 'supertest'; import { McpHttpServer } from '../src/http/server.js'; import { TransportMode } from '../src/http/transport.js'; /** * Simple MCP Conformance Tests * * Basic tests to verify MCP server functionality */ describe('Simple MCP Conformance', () => { let server: McpHttpServer; let app: any; const port = 8126; beforeAll(async () => { server = new McpHttpServer({ port, transportMode: TransportMode.STATELESS }); app = (server as any).app; await server.start(); }); afterAll(async () => { await server.stop(); }); describe('Basic Endpoints', () => { it('should respond to health check', async () => { const response = await request(app) .get('/healthz'); expect(response.status).toBe(200); expect(response.body).toHaveProperty('status', 'healthy'); }); it('should have /mcp endpoint', async () => { const response = await request(app) .post('/mcp') .set('Content-Type', 'application/json') .send({}); // Send empty object to trigger validation // Should return 400 for invalid request, not 404 expect(response.status).not.toBe(404); }); it('should return 404 for unknown endpoints', async () => { const response = await request(app) .get('/unknown'); expect(response.status).toBe(404); }); }); describe('Stateless Mode Behavior', () => { it('should return info page for browser GET requests in stateless mode', async () => { const response = await request(app) .get('/mcp'); expect(response.status).toBe(200); expect(response.body).toHaveProperty('name', 'MCP DinCoder Server'); expect(response.body).toHaveProperty('transport', 'stateless'); }); it('should return 405 for DELETE /mcp in stateless mode', async () => { const response = await request(app) .delete('/mcp'); expect(response.status).toBe(405); }); }); describe('Content Type Validation', () => { it('should accept application/json', async () => { const response = await request(app) .post('/mcp') .set('Content-Type', 'application/json') .send('{}'); // Should process the request (may return error for invalid JSON-RPC) expect(response.status).not.toBe(415); // Not Unsupported Media Type }); it('should handle text/plain gracefully', async () => { const response = await request(app) .post('/mcp') .set('Content-Type', 'text/plain') .send('not json'); expect(response.status).toBe(400); // 400 Bad Request for invalid JSON }); }); describe('Protocol Headers', () => { it('should return MCP-Protocol-Version header', async () => { const response = await request(app) .post('/mcp') .set('Content-Type', 'application/json') .send({}); expect(response.headers).toHaveProperty('mcp-protocol-version'); expect(response.headers['mcp-protocol-version']).toBe('2025-03-26'); }); }); });