SSH MCP Server

/** * Terminal Display Bug Reproduction Test * * This test reproduces the actual terminal display issues by capturing real WebSocket messages * from the problematic session to identify root causes. */ import { JestTestUtilities } from './integration/terminal-history-framework/jest-test-utilities'; describe('Terminal Display Bug Reproduction', () => { let testUtils: JestTestUtilities; beforeEach(async () => { testUtils = new JestTestUtilities({ enableDetailedLogging: true, enableErrorDiagnostics: true, testTimeout: 30000 }); await testUtils.setupTest('terminal-display-bug-reproduction'); }); afterEach(async () => { await testUtils.cleanupTest(); }); test('reproduce broken terminal display with post-restart-test session', async () => { console.log('🔍 Reproducing broken terminal display state...'); const config = { preWebSocketCommands: [ 'ssh_connect {"name": "post-restart-test", "host": "localhost", "username": "jsbattig", "keyFilePath": "~/.ssh/id_ed25519"}', 'ssh_exec {"sessionName": "post-restart-test", "command": "ls"}' ], postWebSocketCommands: [ {initiator: 'mcp-client', command: 'ssh_exec {"sessionName": "post-restart-test", "command": "pwd"}'} ], workflowTimeout: 30000, sessionName: 'post-restart-test' }; const result = await testUtils.runTerminalHistoryTest(config); console.log('📊 Workflow Result Analysis:'); console.log('Success:', result.success); console.log('Total Execution Time:', result.totalExecutionTime); console.log('Concatenated Responses Length:', result.concatenatedResponses.length); // Log the actual WebSocket messages to analyze the broken state console.log('\n🔍 Raw WebSocket Messages (First 1000 chars):'); console.log(result.concatenatedResponses.substring(0, 1000)); console.log('\n🔍 Raw WebSocket Messages (Hex representation for CRLF analysis):'); const hex = Buffer.from(result.concatenatedResponses.substring(0, 200)).toString('hex'); console.log(hex.match(/.{1,2}/g)?.join(' ') || hex); // Test the broken patterns we expect to find console.log('\n❌ Testing for known broken patterns:'); // Look for command on separate line (wrong) const commandOnSeparateLine = /\]\$\s*\r?\n\s*ls/.test(result.concatenatedResponses); console.log('Command on separate line (broken):', commandOnSeparateLine); // Look for corrupted prompt (missing characters) const corruptedPrompt = /sbattig@localhost/.test(result.concatenatedResponses); console.log('Corrupted prompt found:', corruptedPrompt); // Look for proper inline format (should be missing) const properInlineFormat = /\[jsbattig@localhost[^\]]*\]\$\s+ls/.test(result.concatenatedResponses); console.log('Proper inline format present:', properInlineFormat); // Detailed message validation try { testUtils.expectWebSocketMessages(result.concatenatedResponses) .toContainCRLF() .toHavePrompts() .toMatchCommandSequence(['ls', 'pwd']) .toHaveMinimumLength(10) .validate(); console.log('✅ Basic WebSocket message validation passed'); } catch (error) { console.log('❌ WebSocket message validation failed:', error instanceof Error ? error.message : String(error)); } // Document the exact broken state for debugging console.log('\n🐛 Documenting broken state for root cause analysis:'); console.log('Raw response preview:', JSON.stringify(result.concatenatedResponses.substring(0, 300))); expect(result.success).toBe(true); // Test should run successfully even if content is broken }); test('capture specific broken patterns from real session', async () => { console.log('🔍 Capturing specific broken patterns...'); const config = { preWebSocketCommands: [ 'ssh_connect {"name": "broken-pattern-test", "host": "localhost", "username": "jsbattig", "keyFilePath": "~/.ssh/id_ed25519"}', 'ssh_exec {"sessionName": "broken-pattern-test", "command": "echo test123"}' ], postWebSocketCommands: [], workflowTimeout: 30000, sessionName: 'broken-pattern-test' }; const result = await testUtils.runTerminalHistoryTest(config); console.log('\n🔍 Analyzing specific broken patterns:'); const messages = result.concatenatedResponses; // Pattern 1: Commands appearing on wrong line const lines = messages.split('\r\n'); console.log('Total lines:', lines.length); console.log('First 10 lines:'); lines.slice(0, 10).forEach((line, i) => { console.log(`Line ${i + 1}: ${JSON.stringify(line)}`); }); // Pattern 2: Look for prompt integrity const promptPattern = /\[([^\]]+)\]\$/g; const promptMatches = [...messages.matchAll(promptPattern)]; console.log('\n🔍 Prompt matches found:', promptMatches.length); promptMatches.forEach((match, i) => { console.log(`Prompt ${i + 1}: ${match[0]}`); }); // Pattern 3: Command positioning analysis const commandEchoPattern = /echo test123/g; const commandMatches = [...messages.matchAll(commandEchoPattern)]; console.log('\n🔍 Command echo matches:', commandMatches.length); expect(result.success).toBe(true); expect(messages.length).toBeGreaterThan(0); }); });