test-n8n-connection.js

#!/usr/bin/env node

// Test script to verify N8N can connect to thumbnail service
const http = require('http');

const testConnection = (hostname, port, path = '/health') => {
  return new Promise((resolve) => {
    const options = {
      hostname,
      port,
      path,
      method: 'GET',
      timeout: 5000
    };

    const req = http.request(options, (res) => {
      let data = '';
      res.on('data', (chunk) => data += chunk);
      res.on('end', () => {
        console.log(`✅ ${hostname}:${port}${path} - Status: ${res.statusCode}`);
        try {
          const response = JSON.parse(data);
          console.log(`   Response: ${JSON.stringify(response, null, 2)}`);
        } catch (e) {
          console.log(`   Raw response: ${data}`);
        }
        resolve(true);
      });
    });

    req.on('error', (e) => {
      console.log(`❌ ${hostname}:${port}${path} - Error: ${e.message}`);
      resolve(false);
    });

    req.on('timeout', () => {
      console.log(`⏰ ${hostname}:${port}${path} - Timeout after 5s`);
      req.destroy();
      resolve(false);
    });

    req.end();
  });
};

const runTests = async () => {
  console.log('🧪 Testing connections to thumbnail service...\n');
  console.log('📝 Note: To test from N8N container, run:');
  console.log('   docker exec -it n8n-n8n-1 node /path/to/test-n8n-connection.js\n');

  const tests = [
    { hostname: 'localhost', port: 3000 },
    { hostname: 'yiku-thumbnail', port: 3000 },
    { hostname: '172.18.0.1', port: 3000 },
    { hostname: '147.93.59.152', port: 3000 }
  ];

  for (const test of tests) {
    await testConnection(test.hostname, test.port);
    console.log(''); // Empty line for readability
  }

  console.log('🎯 Test completed!');
  console.log('\n🔍 To test from N8N container:');
  console.log('   1. Copy this file to N8N container: docker cp test-n8n-connection.js n8n-n8n-1:/home/node/');
  console.log('   2. Run test: docker exec -it n8n-n8n-1 node test-n8n-connection.js');
};

runTests().catch(console.error);