#!/usr/bin/env node
import { spawn } from 'child_process';
import { writeFileSync, unlinkSync } from 'fs';
import path from 'path';
async function testMCPStaticAnalysis() {
console.log('🧪 Testing MCP Static Analysis Tool');
console.log('===================================\n');
// Create a test file with various issues
const testCode = `
function complexFunction(data) {
const password = "hardcoded123";
console.log("Starting processing");
if (data) {
if (data.length > 0) {
if (data[0]) {
if (data[0].value) {
console.log("Deep nesting");
return data[0].value;
}
}
}
}
// SQL injection vulnerability
const query = "SELECT * FROM users WHERE id = " + userId;
// XSS vulnerability
document.getElementById("content").innerHTML = userInput + "<script>";
return null;
}
// Duplicate code
if (true) {
console.log("duplicate");
}
if (true) {
console.log("duplicate");
}
`;
const testFile = path.join(process.cwd(), 'mcp-test-file.js');
writeFileSync(testFile, testCode);
console.log('📁 Created test file:', testFile);
try {
// Test the MCP tool
console.log('\n🔍 Testing detect-errors tool...');
const mcpRequest = {
jsonrpc: "2.0",
id: 1,
method: "tools/call",
params: {
name: "detect-errors",
arguments: {
source: "staticAnalysis",
files: [testFile],
includeWarnings: true
}
}
};
console.log('📤 Sending MCP request:', JSON.stringify(mcpRequest, null, 2));
// Spawn the MCP server process
const serverProcess = spawn('node', ['dist/index.js'], {
stdio: ['pipe', 'pipe', 'pipe'],
cwd: process.cwd()
});
let responseData = '';
let errorData = '';
serverProcess.stdout.on('data', (data) => {
responseData += data.toString();
});
serverProcess.stderr.on('data', (data) => {
errorData += data.toString();
});
// Send the request
serverProcess.stdin.write(JSON.stringify(mcpRequest) + '\n');
// Wait for response
await new Promise((resolve) => {
setTimeout(() => {
serverProcess.kill();
resolve();
}, 5000);
});
console.log('\n📥 Server response:');
if (responseData) {
try {
const response = JSON.parse(responseData);
console.log(JSON.stringify(response, null, 2));
if (response.result && response.result.content) {
const content = response.result.content[0];
if (content.text) {
const errors = JSON.parse(content.text);
console.log(`\n✅ Found ${errors.length} static analysis issues:`);
errors.forEach((error, i) => {
console.log(` ${i + 1}. ${error.severity}: ${error.message}`);
console.log(` File: ${error.stackTrace[0]?.location?.file || 'unknown'}`);
console.log(` Line: ${error.stackTrace[0]?.location?.line || 'unknown'}`);
});
}
}
} catch (parseError) {
console.log('Raw response:', responseData);
}
}
if (errorData) {
console.log('\n📋 Server logs:');
console.log(errorData);
}
} catch (error) {
console.error('❌ Test failed:', error.message);
} finally {
// Clean up
unlinkSync(testFile);
console.log('\n🧹 Cleaned up test file');
}
}
testMCPStaticAnalysis().catch(console.error);
