test-client.mjs•2.57 kB
#!/usr/bin/env node
import { spawn } from 'child_process';
import path from 'path';
import { fileURLToPath } from 'url';
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
// Start the MCP server process
const server = spawn('node', [path.join(__dirname, 'dist/index.js')], {
stdio: ['pipe', 'pipe', process.stderr]
});
console.log('Starting MCP server test...');
// Simple test message following MCP protocol
const testMessage = {
jsonrpc: '2.0',
id: '1',
method: 'hello',
params: {
client: {
name: 'test-client',
version: '1.0.0'
},
capabilities: {
prompts: {},
resources: {},
tools: {}
}
}
};
// Send the message to the server
server.stdin.write(JSON.stringify(testMessage) + '\n');
// Handle server response
let responseData = '';
server.stdout.on('data', (data) => {
const chunk = data.toString();
console.log('Received chunk:', chunk);
responseData += chunk;
if (responseData.includes('\n')) {
const messages = responseData.split('\n').filter(Boolean);
responseData = '';
for (const message of messages) {
try {
// Try to parse the response as JSON
const response = JSON.parse(message);
console.log('Server response:', JSON.stringify(response, null, 2));
// Test a tool call if hello was successful
if (response.result && response.id === '1') {
console.log('Hello successful, testing tool call...');
const toolCallMessage = {
jsonrpc: '2.0',
id: '2',
method: 'callTool',
params: {
name: 'bash',
arguments: {
command: 'ls -la'
}
}
};
server.stdin.write(JSON.stringify(toolCallMessage) + '\n');
} else if (response.id === '2') {
console.log('Tool call test completed.');
server.kill();
process.exit(0);
}
} catch (error) {
console.log('Error parsing JSON:', error.message);
console.log('Problematic message:', message);
}
}
}
});
// Handle server exit
server.on('close', (code) => {
console.log(`Server process exited with code ${code}`);
});
// Handle errors
server.on('error', (error) => {
console.error('Error:', error);
});
// Exit after 10 seconds if no response
setTimeout(() => {
console.log('Timeout: No complete response received within 10 seconds');
server.kill();
process.exit(1);
}, 10000);