SSH MCP Server

/** * VILLENELE BUG REPRODUCTION: Double Prompt at Session Initialization * * This test reproduces the specific issue reported: * "[jsbattig@localhost ~]$ [jsbattig@localhost ~]$ " - two prompts on first line * * Expected behavior: Single clean prompt at session initialization * Actual behavior: Duplicate prompt at the beginning of terminal history * * ROOT CAUSE: Shell initialization is still generating duplicate prompts * despite PS1 export filtering being implemented. */ import { JestTestUtilities } from './integration/terminal-history-framework/jest-test-utilities.js'; describe('Double Prompt Initialization Bug - Villenele Reproduction', () => { const testSessionName = 'double-prompt-bug-test'; const testUtils = JestTestUtilities.setupJestEnvironment('double-prompt-initialization-bug'); describe('BUG REPRODUCTION: Double Prompt at Session Start', () => { it('should reproduce the double prompt issue at session initialization', async () => { // This test specifically looks for the reported bug pattern const config = { preWebSocketCommands: [ 'ssh_connect {"name": "' + testSessionName + '", "host": "localhost", "username": "jsbattig", "keyFilePath": "~/.ssh/id_ed25519"}', ], postWebSocketCommands: [ 'ssh_exec {"sessionName": "' + testSessionName + '", "command": "whoami"}', 'ssh_exec {"sessionName": "' + testSessionName + '", "command": "pwd"}' ], workflowTimeout: 30000, sessionName: testSessionName }; const result = await testUtils.runTerminalHistoryTest(config); console.log('=== DOUBLE PROMPT BUG ANALYSIS ==='); console.log('Full terminal output:'); console.log(JSON.stringify(result.concatenatedResponses)); console.log('======================================'); // ANALYZE FIRST LINE FOR DOUBLE PROMPT PATTERN const lines = result.concatenatedResponses.split(/\r?\n/); const firstLine = lines[0] || ''; console.log('🔍 FIRST LINE ANALYSIS:'); console.log(` First line: "${firstLine}"`); console.log(` Length: ${firstLine.length} characters`); // DETECT SPECIFIC DOUBLE PROMPT PATTERN const doublePromptPattern = /\[jsbattig@localhost [^\]]+\]\$ \[jsbattig@localhost [^\]]+\]\$/; const hasDoublePrompt = doublePromptPattern.test(firstLine); if (hasDoublePrompt) { console.log('❌ DOUBLE PROMPT DETECTED on first line!'); console.log(' Pattern: [user@host dir]$ [user@host dir]$'); console.log(' Expected: [user@host dir]$ (single prompt)'); } else { console.log('✅ NO DOUBLE PROMPT: First line is clean'); } // COUNT ALL BRACKET PROMPTS IN FIRST LINE const promptsInFirstLine = (firstLine.match(/\[jsbattig@localhost [^\]]+\]\$/g) || []).length; console.log(`📊 PROMPT COUNT IN FIRST LINE: ${promptsInFirstLine}`); if (promptsInFirstLine > 1) { console.log('❌ MULTIPLE PROMPTS IN FIRST LINE'); console.log(' This indicates initialization duplication issue'); } else if (promptsInFirstLine === 1) { console.log('✅ SINGLE PROMPT IN FIRST LINE'); } else { console.log('⚠️ NO PROMPTS IN FIRST LINE (unexpected)'); } // ANALYZE INITIALIZATION BEHAVIOR console.log('🔬 INITIALIZATION SEQUENCE ANALYSIS:'); const firstFewLines = lines.slice(0, 5); firstFewLines.forEach((line, i) => { const promptCount = (line.match(/\[jsbattig@localhost [^\]]+\]\$/g) || []).length; console.log(` Line ${i + 1}: "${line}" (${promptCount} prompts)`); }); // DETAILED PATTERN ANALYSIS console.log('🔍 DETAILED PATTERN DETECTION:'); // Look for specific reported pattern: "[jsbattig@localhost ~]$ [jsbattig@localhost ~]$ " const exactReportedPattern = /\[jsbattig@localhost ~\]\$ \[jsbattig@localhost ~\]\$ ?$/; if (exactReportedPattern.test(firstLine)) { console.log('🎯 EXACT REPORTED BUG PATTERN MATCHED!'); console.log(' "[jsbattig@localhost ~]$ [jsbattig@localhost ~]$ "'); } // ASSERTIONS FOR BUG VALIDATION // The test should demonstrate the bug exists (expecting failure until fixed) console.log('📋 TEST RESULTS:'); console.log(` Double prompt detected: ${hasDoublePrompt}`); console.log(` Prompts in first line: ${promptsInFirstLine}`); console.log(` Expected behavior: Single prompt at initialization`); console.log(` Actual behavior: ${promptsInFirstLine > 1 ? 'Multiple prompts' : 'Single prompt'}`); // DOCUMENT THE BUG FOR FIXING if (hasDoublePrompt || promptsInFirstLine > 1) { console.log('🐛 BUG CONFIRMED: Double prompt initialization issue reproduced'); console.log(' Next step: Identify and fix root cause in SSH shell initialization'); } else { console.log('✅ BUG NOT REPRODUCED: Initialization appears clean'); } // For now, we're documenting the bug - this test may fail until root cause is fixed expect(promptsInFirstLine).toBeLessThanOrEqual(1); // Should be exactly 1, never more }, 45000); it('should show clean terminal flow after the initial double prompt issue', async () => { // This test validates that despite the initialization issue, // the rest of the terminal interaction works correctly const config = { preWebSocketCommands: [ 'ssh_connect {"name": "' + testSessionName + '-flow", "host": "localhost", "username": "jsbattig", "keyFilePath": "~/.ssh/id_ed25519"}', ], postWebSocketCommands: [ 'ssh_exec {"sessionName": "' + testSessionName + '-flow", "command": "echo \\"test-command-1\\""}', 'ssh_exec {"sessionName": "' + testSessionName + '-flow", "command": "echo \\"test-command-2\\""}', 'ssh_exec {"sessionName": "' + testSessionName + '-flow", "command": "pwd"}' ], workflowTimeout: 45000, sessionName: testSessionName + '-flow' }; const result = await testUtils.runTerminalHistoryTest(config); console.log('=== TERMINAL FLOW AFTER INITIALIZATION ==='); const lines = result.concatenatedResponses.split(/\r?\n/); // Skip the potentially problematic first line and analyze the rest let commandLines = 0; let responseLines = 0; let cleanFlowFound = false; for (let i = 1; i < lines.length - 1; i++) { const line = lines[i]; const nextLine = lines[i + 1]; // Look for clean command/response patterns if (line.includes('[jsbattig@localhost') && line.includes('echo') && nextLine && (nextLine.includes('test-command-') || nextLine.includes('/home/jsbattig'))) { commandLines++; responseLines++; cleanFlowFound = true; console.log(`✅ Clean flow found: "${line}" → "${nextLine}"`); } } console.log(`📊 FLOW ANALYSIS RESULTS:`); console.log(` Clean command/response pairs: ${Math.min(commandLines, responseLines)}`); console.log(` Clean flow detected: ${cleanFlowFound}`); // Validate that despite initialization issues, the terminal flow works expect(cleanFlowFound).toBe(true); expect(result.concatenatedResponses).toContain('test-command-1'); expect(result.concatenatedResponses).toContain('test-command-2'); expect(result.concatenatedResponses).toContain('/home/jsbattig'); console.log('✅ Terminal flow validation PASSED (despite potential initialization issue)'); }, 60000); }); });