guardz-generator-mcp/dist/test-mcp.js

MCP (Model Context Protocol) Server for TypeScript Type Guard Generation - Generate runtime validation functions from TypeScript types

#!/usr/bin/env node
/**
 * Test script for Guardz Generator MCP Server
 *
 * This script tests the basic functionality of the MCP server by:
 * 1. Starting the server
 * 2. Sending a tools/list request
 * 3. Sending a generate_type_guards request
 * 4. Verifying the responses
 */
import { spawn } from 'child_process';
import { writeFileSync, unlinkSync } from 'fs';
import { join } from 'path';
const TEST_INTERFACE = `
interface TestUser {
  id: string;
  name: string;
  email: string;
  age?: number;
}
`;
const TEST_FILE_PATH = join(process.cwd(), 'test-user.ts');
// Create test file
writeFileSync(TEST_FILE_PATH, TEST_INTERFACE);
console.log('🧪 Testing Guardz Generator MCP Server...\n');
// Start the MCP server
const serverProcess = spawn('node', ['dist/mcp-guardz-generator.js'], {
    stdio: ['pipe', 'pipe', 'pipe'],
});
let serverStarted = false;
let serverOutput = '';
serverProcess.stdout.on('data', data => {
    serverOutput += data.toString();
});
serverProcess.stderr.on('data', data => {
    const output = data.toString();
    if (output.includes('Guardz Generator MCP Server started')) {
        serverStarted = true;
        console.log('✅ MCP server started successfully');
    }
});
// Test sequence
setTimeout(() => {
    if (!serverStarted) {
        console.log('❌ MCP server failed to start');
        serverProcess.kill();
        process.exit(1);
    }
    console.log('\n2. Testing tools/list request...');
    const listRequest = {
        jsonrpc: '2.0',
        id: 1,
        method: 'tools/list',
    };
    serverProcess.stdin.write(JSON.stringify(listRequest) + '\n');
    setTimeout(() => {
        if (serverOutput.includes('generate_type_guards')) {
            console.log('✅ Tools list request successful');
        }
        else {
            console.log('❌ Tools list request failed');
        }
        console.log('\n3. Testing generate_type_guards request...');
        const generateRequest = {
            jsonrpc: '2.0',
            id: 2,
            method: 'tools/call',
            params: {
                name: 'generate_type_guards',
                arguments: {
                    files: [TEST_FILE_PATH],
                    postProcess: false,
                    verbose: true,
                },
            },
        };
        serverProcess.stdin.write(JSON.stringify(generateRequest) + '\n');
        setTimeout(async () => {
            if (serverOutput.includes('Successfully generated') ||
                serverOutput.includes('Error')) {
                console.log('✅ Generate type guards request processed');
            }
            else {
                console.log('❌ Generate type guards request failed');
            }
            serverProcess.kill();
            try {
                unlinkSync(TEST_FILE_PATH);
            }
            catch {
                // Ignore cleanup errors
            }
            console.log('\n🎉 MCP server test completed!');
            console.log('\nServer output:');
            console.log(serverOutput);
        }, 2000);
    }, 1000);
}, 2000);
// Handle process termination
process.on('SIGINT', () => {
    serverProcess.kill();
    process.exit(0);
});
process.on('SIGTERM', () => {
    serverProcess.kill();
    process.exit(0);
});
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