SSH MCP Server

/** * Command Timeout Debug Test - TDD Test for Systematic Issue Resolution * * PURPOSE: Reproduce and debug the command timeout issue where: * - First command works fine * - Second command shows results but browser doesn't detect completion * - Gets "⚠️ Error: Command timeout" after 30 seconds * - Terminal becomes unresponsive */ import { JestTestUtilities } from './integration/terminal-history-framework/jest-test-utilities'; describe('Command Timeout Debug', () => { const testUtils = JestTestUtilities.setupJestEnvironment('command-timeout-debug'); /** * FAILING TEST: Reproduce the exact command timeout scenario * This test should fail initially, demonstrating the timeout issue */ describe('Command Timeout Issue Reproduction', () => { it('should handle sequential commands without timeout errors', async () => { // EXPECTATION: Both commands should complete successfully without timeout // CURRENT REALITY: Second command times out even though results are visible const config = { preWebSocketCommands: [ 'ssh_connect {"name": "timeout-test", "host": "localhost", "username": "jsbattig", "keyFilePath": "/home/jsbattig/.ssh/id_ed25519"}' ], postWebSocketCommands: [ 'ssh_exec {"sessionName": "timeout-test", "command": "pwd"}', 'ssh_exec {"sessionName": "timeout-test", "command": "whoami"}' ], workflowTimeout: 45000, // Extended to allow for debug analysis sessionName: 'timeout-test' }; const result = await testUtils.runTerminalHistoryTest(config); // FIRST ASSERTION: Check that we got responses expect(result.concatenatedResponses).toBeDefined(); expect(result.concatenatedResponses.length).toBeGreaterThan(0); // SECOND ASSERTION: Check for command completion without timeout const responses = result.concatenatedResponses; // Should contain both command results expect(responses).toContain('pwd'); expect(responses).toContain('whoami'); // Should NOT contain timeout error messages expect(responses).not.toContain('Command timeout'); expect(responses).not.toContain('⚠️ Error: Command timeout'); // Should contain proper prompt completion for both commands const promptCount = (responses.match(/\[[^\]]+\]\$/g) || []).length; expect(promptCount).toBeGreaterThanOrEqual(2); // At least 2 prompts for command completion }, 60000); // 60-second Jest timeout to allow for debugging }); /** * FAILING TEST: Test prompt detection against actual format * This test validates that our regex patterns match the real prompt */ describe('Prompt Detection Validation', () => { it('should correctly detect bracket prompt format', () => { // CURRENT PROMPT FORMAT: [jsbattig@localhost ~]$ const actualPromptLine = '[jsbattig@localhost ~]$'; const promptWithSpacing = '[jsbattig@localhost ls-ssh-mcp]$ '; const promptWithPath = '[jsbattig@localhost /home/jsbattig/Dev/ls-ssh-mcp]$'; // Test the regex patterns from terminal-input-handler.ts const promptPatterns = [ /^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+:[~\/][^$]*\$\s*$/, // user@host:path$ /^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+:[~\/][^#]*#\s*$/, // user@host:path# (root) /^\[[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\s*[^\]]+\]\$\s*$/, // [user@host project]$ (bracket format) /^\[\d{2}:\d{2}:\d{2}\][^$]*\$\s*$/, // [HH:MM:SS]...$ (with timestamp) /^[>]\s*$/ // Simple > prompt (minimal) ]; // Test individual patterns const bracketPattern = /^\[[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\s*[^\]]+\]\$\s*$/; // These should pass for proper prompt detection expect(bracketPattern.test(actualPromptLine)).toBe(true); expect(bracketPattern.test(promptWithSpacing.trim())).toBe(true); expect(bracketPattern.test(promptWithPath)).toBe(true); // At least one pattern should match each format const shouldMatchActual = promptPatterns.some(pattern => pattern.test(actualPromptLine)); const shouldMatchSpacing = promptPatterns.some(pattern => pattern.test(promptWithSpacing.trim())); const shouldMatchPath = promptPatterns.some(pattern => pattern.test(promptWithPath)); expect(shouldMatchActual).toBe(true); expect(shouldMatchSpacing).toBe(true); expect(shouldMatchPath).toBe(true); }); it('should not falsely detect non-prompt lines as prompts', () => { const nonPromptLines = [ 'total 32', 'drwxrwxr-x 2 jsbattig jsbattig 4096 Jan 1 12:00 src', '-rw-rw-r-- 1 jsbattig jsbattig 1234 Jan 1 12:00 package.json', 'jsbattig', '/home/jsbattig/Dev/ls-ssh-mcp', 'Command completed successfully', 'Error: Command not found' ]; const promptPatterns = [ /^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+:[~\/][^$]*\$\s*$/, // user@host:path$ /^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+:[~\/][^#]*#\s*$/, // user@host:path# (root) /^\[[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\s*[^\]]+\]\$\s*$/, // [user@host project]$ (bracket format) /^\[\d{2}:\d{2}:\d{2}\][^$]*\$\s*$/, // [HH:MM:SS]...$ (with timestamp) /^[>]\s*$/ // Simple > prompt (minimal) ]; nonPromptLines.forEach(line => { const shouldNotMatch = promptPatterns.some(pattern => pattern.test(line)); expect(shouldNotMatch).toBe(false); }); }); }); /** * FAILING TEST: WebSocket Message Analysis * This test captures and analyzes WebSocket messages to understand completion detection */ describe('WebSocket Message Analysis', () => { it('should analyze WebSocket messages for command completion patterns', async () => { const config = { preWebSocketCommands: [ 'ssh_connect {"name": "websocket-analysis", "host": "localhost", "username": "jsbattig", "keyFilePath": "/home/jsbattig/.ssh/id_ed25519"}' ], postWebSocketCommands: [ 'ssh_exec {"sessionName": "websocket-analysis", "command": "echo test-message"}' ], workflowTimeout: 30000, sessionName: 'websocket-analysis' }; const result = await testUtils.runTerminalHistoryTest(config); // Analyze the raw responses for debug information console.log('=== WEBSOCKET MESSAGE ANALYSIS ==='); console.log('Full response length:', result.concatenatedResponses.length); console.log('Contains CRLF:', result.concatenatedResponses.includes('\r\n')); console.log('Response preview:', result.concatenatedResponses.substring(0, 500)); // Look for prompt patterns in the actual response const responses = result.concatenatedResponses; const promptMatches = responses.match(/\[[^\]]+\]\$/g); console.log('Found prompt patterns:', promptMatches); // Check for command echo and results expect(responses).toContain('echo test-message'); expect(responses).toContain('test-message'); // Should have at least one prompt for command completion expect(promptMatches).toBeTruthy(); expect(promptMatches!.length).toBeGreaterThanOrEqual(1); }); }); /** * FAILING TEST: Terminal Lock/Unlock Mechanism Debug * This test validates that terminal state management works correctly */ describe('Terminal Lock Mechanism Debug', () => { it('should properly manage terminal lock state during command execution', async () => { // This test requires manual WebSocket connection to test lock/unlock // For now, we'll test the prompt detection logic that drives unlock const testCases = [ { description: 'Standard bracket prompt', input: '[jsbattig@localhost ls-ssh-mcp]$', shouldUnlock: true }, { description: 'Prompt with trailing space', input: '[jsbattig@localhost ~]$ ', shouldUnlock: true }, { description: 'Command output line', input: 'test-message', shouldUnlock: false }, { description: 'Directory listing line', input: 'drwxrwxr-x 2 jsbattig jsbattig 4096 Jan 1 12:00 src', shouldUnlock: false } ]; testCases.forEach(testCase => { // Simulate the isPromptLine logic from terminal-input-handler.ts const trimmedOutput = testCase.input.trim(); const promptPatterns = [ /^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+:[~\/][^$]*\$\s*$/, // user@host:path$ /^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+:[~\/][^#]*#\s*$/, // user@host:path# (root) /^\[[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\s*[^\]]+\]\$\s*$/, // [user@host project]$ (bracket format) /^\[\d{2}:\d{2}:\d{2}\][^$]*\$\s*$/, // [HH:MM:SS]...$ (with timestamp) /^[>]\s*$/ // Simple > prompt (minimal) ]; const isPrompt = promptPatterns.some(pattern => pattern.test(trimmedOutput)); expect(isPrompt).toBe(testCase.shouldUnlock); }); }); }); });