SSH MCP Server

/** * Terminal Display Fix Validation Test * * This test validates that the OSC sequence filtering fix resolves the terminal display issues: * - No more double carriage returns (CR CR) * - Commands appear inline with prompts * - No corrupted prompts (missing characters) * * Uses Villenele framework to capture real WebSocket messages and validate the fix. */ import { JestTestUtilities } from './integration/terminal-history-framework/jest-test-utilities'; import { CommandConfigurationJSON } from './integration/terminal-history-framework/flexible-command-configuration'; describe('Terminal Display Fix Validation', () => { let testUtils: JestTestUtilities; beforeAll(async () => { testUtils = new JestTestUtilities({ enableDetailedLogging: true, enableErrorDiagnostics: true, testTimeout: 45000 }); }); beforeEach(async () => { await testUtils.setupTest('terminal-display-fix-validation'); }); afterEach(async () => { await testUtils.cleanupTest(); }); test('should eliminate double carriage returns and fix prompt positioning', async () => { console.log('\n=== TERMINAL DISPLAY FIX VALIDATION ==='); console.log('Expected: Commands inline with prompts'); console.log('Expected: No double carriage returns'); console.log('Expected: Complete prompts [jsbattig@localhost ~]$'); const config: CommandConfigurationJSON = { preWebSocketCommands: [ 'ssh_connect {"name": "fix-validation", "host": "localhost", "username": "jsbattig", "keyFilePath": "~/.ssh/id_ed25519"}', 'ssh_exec {"sessionName": "fix-validation", "command": "echo \\"testing terminal fix\\""}', 'ssh_exec {"sessionName": "fix-validation", "command": "pwd"}', ], postWebSocketCommands: [ {initiator: 'mcp-client', command: 'ssh_exec {"sessionName": "fix-validation", "command": "whoami"}'}, {initiator: 'mcp-client', command: 'ssh_exec {"sessionName": "fix-validation", "command": "date"}'} ], workflowTimeout: 40000, sessionName: 'fix-validation' }; const workflowResult = await testUtils.runTerminalHistoryTest(config); expect(workflowResult.success).toBe(true); expect(workflowResult.concatenatedResponses).toBeDefined(); const rawMessages = workflowResult.concatenatedResponses!; console.log('\n=== POST-FIX WEBSOCKET MESSAGES ==='); console.log(`Message Length: ${rawMessages.length} characters`); console.log('Raw messages with escaped control chars:'); console.log(JSON.stringify(rawMessages, null, 2)); // CRITICAL VALIDATIONS: The fix should have eliminated these issues console.log('\n=== DOUBLE CARRIAGE RETURN TEST ==='); const doubleCarriageReturns = (rawMessages.match(/\r\r/g) || []).length; console.log(`Double carriage returns found: ${doubleCarriageReturns}`); expect(doubleCarriageReturns).toBe(0); // Should be ZERO after fix console.log('\n=== OSC WINDOW TITLE SEQUENCE TEST ==='); const oscSequences = (rawMessages.match(new RegExp('\\u001b\\]0;', 'g')) || []).length; console.log(`OSC window title sequences found: ${oscSequences}`); expect(oscSequences).toBe(0); // Should be ZERO after fix console.log('\n=== ISOLATED CARRIAGE RETURN TEST ==='); const isolatedCRs = (rawMessages.match(/\r(?!\n)/g) || []).length; console.log(`Isolated carriage returns found: ${isolatedCRs}`); expect(isolatedCRs).toBe(0); // Should be ZERO after fix console.log('\n=== PROMPT INTEGRITY TEST ==='); const completePrompts = (rawMessages.match(/\[jsbattig@localhost [^\]]+\]\$/g) || []).length; console.log(`Complete prompts found: ${completePrompts}`); expect(completePrompts).toBeGreaterThan(0); // Should have complete prompts console.log('\n=== CRLF COMPLIANCE TEST ==='); const hasCRLF = rawMessages.includes('\r\n'); console.log(`Contains CRLF line endings: ${hasCRLF}`); expect(hasCRLF).toBe(true); // Should maintain CRLF for xterm.js compatibility console.log('\n=== COMMAND INLINE POSITIONING TEST ==='); // Check that commands don't appear on separate lines after prompts const separateLineCommands = (rawMessages.match(/\]\$\s*\r\n\s*[a-zA-Z]/g) || []).length; console.log(`Commands on separate lines: ${separateLineCommands}`); expect(separateLineCommands).toBe(0); // Should be ZERO - commands should be inline console.log('\n=== TERMINAL DISPLAY FIX VALIDATION COMPLETE ==='); if (doubleCarriageReturns === 0 && oscSequences === 0 && isolatedCRs === 0 && separateLineCommands === 0) { console.log('✅ SUCCESS: All terminal display issues resolved!'); console.log('✅ No double carriage returns'); console.log('✅ No OSC window title sequences'); console.log('✅ No isolated carriage returns'); console.log('✅ No commands on separate lines'); } else { console.log('❌ FAILURE: Some issues remain - check the assertions above'); } }); test('should maintain proper terminal formatting for user commands', async () => { console.log('\n=== USER COMMAND FORMATTING TEST ==='); const config: CommandConfigurationJSON = { preWebSocketCommands: [ 'ssh_connect {"name": "formatting-test", "host": "localhost", "username": "jsbattig", "keyFilePath": "~/.ssh/id_ed25519"}', ], postWebSocketCommands: [ 'ssh_exec {"sessionName": "formatting-test", "command": "echo \\"Hello World\\""}', 'ssh_exec {"sessionName": "formatting-test", "command": "ls -la"}', 'ssh_exec {"sessionName": "formatting-test", "command": "echo \\"Final test command\\""}', ], workflowTimeout: 30000, sessionName: 'formatting-test' }; const workflowResult = await testUtils.runTerminalHistoryTest(config); expect(workflowResult.success).toBe(true); const rawMessages = workflowResult.concatenatedResponses!; // Use Villenele's validation helpers testUtils.expectWebSocketMessages(rawMessages) .toContainCRLF() .toHavePrompts() .toMatchCommandSequence(['echo "Hello World"', 'ls', 'echo "Final test command"']) .toNotContain('\r\r') // Should NOT contain double CR .toNotContain('\u001b]0;') // Should NOT contain OSC sequences .validate(); console.log('✅ User command formatting maintained correctly'); }); });