SSH MCP Server

#!/usr/bin/env node const puppeteer = require('puppeteer'); async function runHeadlessTerminalTest(testUrl) { // Default to a test URL if none provided if (!testUrl) { console.log('⚠️ No URL provided. Usage: node headless-terminal-test.cjs <terminal-url>'); console.log(' Example: node headless-terminal-test.cjs http://localhost:8081/session/my-session'); process.exit(1); } console.log(`🧪 Starting headless terminal test for: ${testUrl}`); const browser = await puppeteer.launch({ headless: 'new', args: ['--no-sandbox', '--disable-setuid-sandbox'] }); try { const page = await browser.newPage(); // Set up console logging to capture any browser errors page.on('console', msg => { console.log(`🌐 Browser Console [${msg.type()}]:`, msg.text()); }); page.on('pageerror', error => { console.error(`❌ Browser Error:`, error.message); }); console.log('📄 Loading terminal page...'); await page.goto(testUrl, { waitUntil: 'networkidle0', timeout: 10000 }); // Wait for terminal to be ready console.log('⏳ Waiting for terminal initialization...'); await page.waitForSelector('.xterm', { timeout: 10000 }); await new Promise(resolve => setTimeout(resolve, 2000)); // Allow WebSocket connection to establish // Check for any JavaScript errors console.log('🔍 Checking for JavaScript errors...'); const errors = await page.evaluate(() => { return window.errors || []; }); if (errors.length > 0) { console.error('❌ JavaScript errors found:', errors); return false; } // Get initial terminal content (history replay) - FIXED: Preserve line structure console.log('📜 Checking terminal history replay...'); const initialContent = await page.evaluate(() => { const terminalElement = document.querySelector('.xterm-screen'); if (!terminalElement) return ''; // CRITICAL FIX: Get terminal content with line structure preserved const rows = terminalElement.querySelectorAll('.xterm-rows > *'); if (rows.length === 0) { // Fallback: if no rows structure, try to get inner text which preserves some formatting return terminalElement.innerText || terminalElement.textContent || ''; } // Build line-by-line content with explicit line breaks const lines = []; rows.forEach(row => { const lineContent = row.innerText || row.textContent || ''; if (lineContent.trim()) { // Only add non-empty lines lines.push(lineContent); } }); return lines.join('\n'); // Join with explicit newlines }); console.log('📜 Initial terminal content:'); console.log('---START TERMINAL CONTENT---'); console.log(initialContent); console.log('---END TERMINAL CONTENT---'); // Basic validation - look for any actual terminal content vs just CSS const hasActualContent = initialContent.length > 0 && !initialContent.startsWith('WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW') && // Not just CSS (initialContent.includes('$') || initialContent.includes('localhost') || initialContent.includes('/home')); // CRITICAL: Check for proper line separation (no concatenation) const lines = initialContent.split('\n'); const hasProperLineSeparation = lines.length > 1; const hasNoConcatenation = !initialContent.includes('pwd/home/jsbattig') && !initialContent.includes('whoamijsbattig'); console.log(`📊 Content Analysis: - Content length: ${initialContent.length} chars - Has actual terminal content: ${hasActualContent ? '✓' : '✗'} - Contains prompt indicators: ${(initialContent.includes('$') || initialContent.includes('@')) ? '✓' : '✗'} - Has proper line separation: ${hasProperLineSeparation ? '✓' : '✗'} (${lines.length} lines) - No concatenation detected: ${hasNoConcatenation ? '✓' : '✗'}`); // Test typing functionality if content looks valid AND properly formatted if (hasActualContent && hasProperLineSeparation && hasNoConcatenation) { console.log('⌨️ Testing typing functionality...'); const terminalInput = await page.waitForSelector('.xterm textarea', { timeout: 5000 }); // Focus on terminal and type a command await terminalInput.focus(); const testCommand = 'echo test-command'; console.log(`⌨️ Typing command: ${testCommand}`); await page.type('.xterm textarea', testCommand); // Wait a moment to see the typed characters await new Promise(resolve => setTimeout(resolve, 1000)); // Get content after typing (before pressing enter) const contentAfterTyping = await page.evaluate(() => { const terminalElement = document.querySelector('.xterm-screen'); return terminalElement ? terminalElement.textContent : ''; }); const showsTypedCommand = contentAfterTyping.includes(testCommand); console.log(`⌨️ Typing verification: ${showsTypedCommand ? '✓' : '✗'} Command appears while typing`); return hasActualContent && hasProperLineSeparation && hasNoConcatenation && showsTypedCommand; } else { if (!hasActualContent) { console.log('⚠️ Terminal content appears to be CSS or invalid - skipping interaction test'); } else if (!hasProperLineSeparation) { console.log('❌ CONCATENATION BUG: Terminal content lacks proper line separation'); } else if (!hasNoConcatenation) { console.log('❌ CONCATENATION BUG: Commands and results are concatenated on same line'); } return false; } } catch (error) { console.error('💥 Test failed with error:', error.message); return false; } finally { await browser.close(); } } // Check if puppeteer is available async function checkPuppeteer() { try { require('puppeteer'); return true; } catch (e) { console.log('📦 Installing puppeteer...'); const { exec } = require('child_process'); return new Promise((resolve) => { exec('npm install puppeteer', (error) => { if (error) { console.error('❌ Failed to install puppeteer:', error.message); resolve(false); } else { console.log('✅ Puppeteer installed successfully'); resolve(true); } }); }); } } // Main execution (async () => { const puppeteerAvailable = await checkPuppeteer(); if (!puppeteerAvailable) { console.error('❌ Could not install/access puppeteer'); process.exit(1); } // Get URL from command line arguments const testUrl = process.argv[2]; const success = await runHeadlessTerminalTest(testUrl); console.log(`\n🎯 HEADLESS TEST RESULT: ${success ? '✅ PASSED' : '❌ FAILED'}`); if (success) { console.log('✅ Terminal loads correctly with proper content and typing works'); } else { console.log('❌ Terminal has display issues or typing doesn\'t work'); } process.exit(success ? 0 : 1); })();