SSH MCP Server

/** * Terminal Locking Fix Validation Test * Final validation that the terminal locking issue has been completely fixed */ import { JestTestUtilities } from './integration/terminal-history-framework/jest-test-utilities'; describe('Terminal Locking Fix Validation', () => { const testUtils = JestTestUtilities.setupJestEnvironment('terminal-locking-fix-validation'); it('FINAL VALIDATION: Terminal now behaves like a normal console without artificial locking', async () => { // ARRANGE - Test the complete natural terminal flow const config = { preWebSocketCommands: [ 'ssh_connect {"name": "fix-validation-test", "host": "localhost", "username": "jsbattig", "keyFilePath": "~/.ssh/id_ed25519"}', 'ssh_exec {"sessionName": "fix-validation-test", "command": "echo BEFORE_WEBSOCKET_SUCCESS"}' ], postWebSocketCommands: [ {initiator: 'mcp-client', command: 'ssh_exec {"sessionName": "fix-validation-test", "command": "pwd"}'}, {initiator: 'mcp-client', command: 'ssh_exec {"sessionName": "fix-validation-test", "command": "echo AFTER_WEBSOCKET_SUCCESS"}'}, {initiator: 'mcp-client', command: 'ssh_exec {"sessionName": "fix-validation-test", "command": "whoami"}'} ], workflowTimeout: 25000, sessionName: 'fix-validation-test' }; // ACT - Execute the complete terminal workflow const startTime = Date.now(); const result = await testUtils.runTerminalHistoryTest(config); const totalTime = Date.now() - startTime; // ASSERT - All success criteria must be met // ✅ 1. No artificial locking UI or timeout messages expect(result.concatenatedResponses).not.toContain('Terminal locked - command executing'); expect(result.concatenatedResponses).not.toContain('⚠ Error: Command timeout'); expect(result.concatenatedResponses).not.toContain('terminal-locked'); // ✅ 2. Commands execute and results appear immediately expect(result.success).toBe(true); expect(result.concatenatedResponses).toContain('BEFORE_WEBSOCKET_SUCCESS'); expect(result.concatenatedResponses).toContain('AFTER_WEBSOCKET_SUCCESS'); expect(result.concatenatedResponses).toContain('pwd'); expect(result.concatenatedResponses).toContain('whoami'); // ✅ 3. Natural prompt appearance with bracket format expect(result.concatenatedResponses).toMatch(/\[jsbattig@localhost[^\]]*\]\$/); // ✅ 4. No artificial locking UI or timeout messages testUtils.expectWebSocketMessages(result.concatenatedResponses) .toNotContain('Terminal locked') .toNotContain('Command timeout') .toNotContain('terminal-locked') .validate(); // ✅ 5. Proper terminal formatting with CRLF testUtils.expectWebSocketMessages(result.concatenatedResponses) .toContainCRLF() .toHavePrompts() .toMatchCommandSequence(['echo', 'pwd', 'whoami']) .validate(); // ✅ 6. Performance - no artificial timeout delays expect(totalTime).toBeLessThan(20000); // Should complete in under 20 seconds // SUCCESS REPORT console.log('🎉 TERMINAL LOCKING FIX VALIDATION: COMPLETE SUCCESS!'); console.log(''); console.log('📊 VALIDATION RESULTS:'); console.log(` ✅ No artificial locking messages: PASSED`); console.log(` ✅ Commands execute naturally: PASSED`); console.log(` ✅ Bracket prompt format: PASSED`); console.log(` ✅ CRLF line endings: PASSED`); console.log(` ✅ Performance (${totalTime}ms < 20000ms): PASSED`); console.log(` ✅ All commands present: PASSED`); console.log(''); console.log('🚀 TERMINAL BEHAVIOR: Natural console flow achieved!'); console.log('🔧 FIX SUMMARY:'); console.log(' • Removed artificial locking mechanism from submitCommand()'); console.log(' • Eliminated timeout-based unlocking and error messages'); console.log(' • Simplified handleTerminalOutput() to natural write-only'); console.log(' • Removed prompt detection complexity that was causing fragmentation'); console.log(''); console.log('📄 TERMINAL OUTPUT SAMPLE:'); console.log(result.concatenatedResponses.substring(0, 400) + '...'); }); it('BEFORE vs AFTER: Comparison with the old broken behavior', () => { console.log(''); console.log('📋 TERMINAL BEHAVIOR: BEFORE vs AFTER FIX'); console.log(''); console.log('❌ BEFORE (Broken):'); console.log(' 1. User types command and presses Enter'); console.log(' 2. Terminal shows "Terminal locked - command executing"'); console.log(' 3. Command executes but terminal stays locked'); console.log(' 4. "⚠ Error: Command timeout" appears after 30 seconds'); console.log(' 5. User has to wait for artificial timeout to type again'); console.log(''); console.log('✅ AFTER (Fixed):'); console.log(' 1. User types command and presses Enter'); console.log(' 2. Command executes and results appear immediately'); console.log(' 3. New prompt appears naturally when command completes'); console.log(' 4. User can immediately type next command'); console.log(' 5. No artificial locking UI or timeout messages'); console.log(''); console.log('🔍 ROOT CAUSE IDENTIFIED:'); console.log(' • Prompt detection was failing due to WebSocket message fragmentation'); console.log(' • Bracket prompts like "[jsbattig@localhost ls-ssh-mcp]$" arrive in'); console.log(' multiple messages, so isPromptLine() never saw complete prompt'); console.log(' • Terminal stayed locked forever waiting for prompt detection'); console.log(' • Timeout mechanism kicked in as fallback, creating poor UX'); console.log(''); console.log('💡 SOLUTION IMPLEMENTED:'); console.log(' • Removed artificial locking mechanism completely'); console.log(' • Let terminal flow naturally like standard SSH clients'); console.log(' • Eliminated complexity that was causing the core problem'); // This test always passes - it's just for documentation expect(true).toBe(true); }); });