SSH MCP Server

/** * Comprehensive Echo Validator Test Suite * * Tests covering all 18 acceptance criteria from 04_Story_ComprehensiveEchoValidation.md * Uses enhanced Villenele testing infrastructure with real SSH connections and WebSocket testing. * * CRITICAL: Zero mocks - all tests use real system integration * Tests should PASS to demonstrate echo fix effectiveness */ import { ComprehensiveEchoValidator, ComprehensiveValidationReport } from '../src/comprehensive-echo-validator'; describe('Comprehensive Echo Validation - Story 04', () => { let validator: ComprehensiveEchoValidator; let validationReport: ComprehensiveValidationReport; beforeAll(async () => { validator = new ComprehensiveEchoValidator({ enablePerformanceMonitoring: true, enableStresstesting: true, maxConcurrentSessions: 2, extendedOperationCount: 25, // Reduced for test performance sessionName: 'comprehensive-echo-test', timeout: 120000 }); }, 150000); afterAll(async () => { // Cleanup handled by validator internally }); describe('Complete Validation Execution', () => { /** * Execute comprehensive validation covering all 18 acceptance criteria */ test('Execute comprehensive echo validation', async () => { validationReport = await validator.executeComprehensiveValidation(); // Basic validation execution success expect(validationReport).toBeDefined(); expect(validationReport.validationTimestamp).toBeGreaterThan(0); expect(validationReport.overallValid).toBe(true); // Ensure all validation categories were executed expect(Object.keys(validationReport.commandTypeValidation)).toHaveLength(6); expect(validationReport.crossProtocolValidation.browserOnly).toBeDefined(); expect(validationReport.crossProtocolValidation.mcpOnly).toBeDefined(); expect(validationReport.crossProtocolValidation.interleaved).toBeDefined(); expect(validationReport.edgeCaseValidation.rapidExecution).toBeDefined(); expect(validationReport.edgeCaseValidation.longRunning).toBeDefined(); expect(validationReport.edgeCaseValidation.interactive).toBeDefined(); console.log('Comprehensive Echo Validation Report:'); console.log('====================================='); console.log(`Overall Valid: ${validationReport.overallValid}`); console.log(`Total Tests: ${validationReport.summary.totalTestsRun}`); console.log(`Tests Passed: ${validationReport.summary.totalTestsPassed}`); console.log(`Success Rate: ${(validationReport.summary.successRate * 100).toFixed(2)}%`); console.log(`Critical Issues: ${validationReport.summary.criticalIssues.length}`); console.log(`Regression Issues: ${validationReport.summary.regressionIssues.length}`); }, 180000); }); describe('AC 4.1-4.3: Comprehensive Echo Fix Validation', () => { /** * AC 4.1: All command types echo validation */ test('AC 4.1: All command types should display exactly once', () => { expect(validationReport).toBeDefined(); const commandTypes = ['basic', 'fileOperations', 'textProcessing', 'system']; for (const commandType of commandTypes) { const typeResult = validationReport.commandTypeValidation[commandType]; expect(typeResult).toBeDefined(); expect(typeResult.overallValid).toBe(true); // Verify browser commands show single echo const browserCommands = typeResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Browser command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.1: Command type '${commandType}' - ${browserCommands.length} browser commands validated`); } }); /** * AC 4.2: Command complexity echo validation */ test('AC 4.2: Command complexity should not affect echo fix', () => { expect(validationReport).toBeDefined(); const complexResult = validationReport.commandTypeValidation['complex']; expect(complexResult).toBeDefined(); expect(complexResult.overallValid).toBe(true); // Verify complex commands work correctly const browserComplexCommands = complexResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserComplexCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Complex browser command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.2: ${browserComplexCommands.length} complex browser commands validated`); }); /** * AC 4.3: Special character and formatting echo validation */ test('AC 4.3: Special characters should display correctly', () => { expect(validationReport).toBeDefined(); const specialResult = validationReport.commandTypeValidation['specialCharacters']; expect(specialResult).toBeDefined(); expect(specialResult.overallValid).toBe(true); // Verify special character commands work correctly const browserSpecialCommands = specialResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserSpecialCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Special character browser command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.3: ${browserSpecialCommands.length} special character browser commands validated`); }); }); describe('AC 4.4-4.6: Cross-Protocol Echo Validation', () => { /** * AC 4.4: Browser-only command sequences validation */ test('AC 4.4: Browser-only sequence should maintain echo fix throughout', () => { expect(validationReport).toBeDefined(); const browserOnlyResult = validationReport.crossProtocolValidation.browserOnly; expect(browserOnlyResult).toBeDefined(); expect(browserOnlyResult.overallValid).toBe(true); expect(browserOnlyResult.totalCommands).toBe(8); // All commands should be browser commands const browserCommands = browserOnlyResult.commandResults.filter(r => r.initiator === 'browser'); expect(browserCommands).toHaveLength(8); // All browser commands should display exactly once for (const cmd of browserCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Browser sequence command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.4: Browser-only sequence - 8 commands validated successfully`); }); /** * AC 4.5: MCP-only command sequences validation */ test('AC 4.5: MCP-only sequence should maintain baseline behavior', () => { expect(validationReport).toBeDefined(); const mcpOnlyResult = validationReport.crossProtocolValidation.mcpOnly; expect(mcpOnlyResult).toBeDefined(); expect(mcpOnlyResult.overallValid).toBe(true); expect(mcpOnlyResult.totalCommands).toBe(7); // All commands should be MCP commands const mcpCommands = mcpOnlyResult.commandResults.filter(r => r.initiator === 'mcp-client'); expect(mcpCommands).toHaveLength(7); // All MCP commands should maintain baseline behavior for (const cmd of mcpCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ MCP sequence command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.5: MCP-only sequence - 7 commands validated successfully`); }); /** * AC 4.6: Interleaved browser-MCP command sequences validation */ test('AC 4.6: Interleaved sequence should handle mixed protocols correctly', () => { expect(validationReport).toBeDefined(); const interleavedResult = validationReport.crossProtocolValidation.interleaved; expect(interleavedResult).toBeDefined(); expect(interleavedResult.overallValid).toBe(true); expect(interleavedResult.totalCommands).toBe(9); // Verify mixed command initiators const browserCommands = interleavedResult.commandResults.filter(r => r.initiator === 'browser'); const mcpCommands = interleavedResult.commandResults.filter(r => r.initiator === 'mcp-client'); expect(browserCommands.length).toBeGreaterThan(0); expect(mcpCommands.length).toBeGreaterThan(0); expect(browserCommands.length + mcpCommands.length).toBe(9); // All commands should display correctly regardless of interleaving for (const cmd of interleavedResult.commandResults) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Interleaved command failed: ${cmd.command} (${cmd.initiator}) - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.6: Interleaved sequence - ${browserCommands.length} browser + ${mcpCommands.length} MCP commands validated`); }); }); describe('AC 4.7-4.9: Edge Case and Stress Testing', () => { /** * AC 4.7: Rapid command execution echo validation */ test('AC 4.7: Rapid execution should not affect echo fix', () => { expect(validationReport).toBeDefined(); const rapidResult = validationReport.edgeCaseValidation.rapidExecution; expect(rapidResult).toBeDefined(); expect(rapidResult.overallValid).toBe(true); // Verify rapid execution maintains echo fix const browserCommands = rapidResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Rapid execution command failed: ${cmd.command} - ${cmd.errorMessage}`); } } // Performance check expect(rapidResult.performanceMetrics.averageCommandTime).toBeLessThan(10000); // 10s max per command console.log(`✅ AC 4.7: Rapid execution - ${browserCommands.length} commands validated`); }); /** * AC 4.8: Long-running command echo validation */ test('AC 4.8: Long-running commands should maintain echo fix', () => { expect(validationReport).toBeDefined(); const longRunningResult = validationReport.edgeCaseValidation.longRunning; expect(longRunningResult).toBeDefined(); expect(longRunningResult.overallValid).toBe(true); // Verify long-running commands maintain echo fix for (const cmd of longRunningResult.commandResults) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Long-running command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.8: Long-running commands - ${longRunningResult.totalCommands} commands validated`); }); /** * AC 4.9: Interactive command scenario validation */ test('AC 4.9: Interactive scenarios should maintain echo fix', () => { expect(validationReport).toBeDefined(); const interactiveResult = validationReport.edgeCaseValidation.interactive; expect(interactiveResult).toBeDefined(); expect(interactiveResult.overallValid).toBe(true); // Verify interactive scenarios maintain echo fix for (const cmd of interactiveResult.commandResults) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Interactive command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.9: Interactive scenarios - ${interactiveResult.totalCommands} commands validated`); }); }); describe('AC 4.10-4.12: Command State Sync Integration Testing', () => { /** * AC 4.10: Echo validation with command gating scenarios */ test('AC 4.10: Command gating should not affect echo fix', () => { expect(validationReport).toBeDefined(); const gatingResult = validationReport.commandStateSyncValidation.gatingScenarios; expect(gatingResult).toBeDefined(); expect(gatingResult.overallValid).toBe(true); // Verify gating scenarios maintain echo fix const browserCommands = gatingResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Gating scenario command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.10: Command gating scenarios - ${browserCommands.length} browser commands validated`); }); /** * AC 4.11: Echo validation with command cancellation scenarios */ test('AC 4.11: Command cancellation should not affect echo fix', () => { expect(validationReport).toBeDefined(); const cancellationResult = validationReport.commandStateSyncValidation.cancellationScenarios; expect(cancellationResult).toBeDefined(); expect(cancellationResult.overallValid).toBe(true); // Verify cancellation scenarios maintain echo fix const browserCommands = cancellationResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Cancellation scenario command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.11: Command cancellation scenarios - ${browserCommands.length} browser commands validated`); }); /** * AC 4.12: Echo validation with nuclear fallback scenarios */ test('AC 4.12: Nuclear fallback should not affect echo fix', () => { expect(validationReport).toBeDefined(); const nuclearResult = validationReport.commandStateSyncValidation.nuclearFallback; expect(nuclearResult).toBeDefined(); expect(nuclearResult.overallValid).toBe(true); // Verify nuclear fallback scenarios maintain echo fix const browserCommands = nuclearResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Nuclear fallback command failed: ${cmd.command} - ${cmd.errorMessage}`); } } console.log(`✅ AC 4.12: Nuclear fallback scenarios - ${browserCommands.length} browser commands validated`); }); }); describe('AC 4.13-4.15: Performance and Stability Validation', () => { /** * AC 4.13: Extended operation echo stability (25+ commands) */ test('AC 4.13: Extended operations should maintain echo fix stability', () => { expect(validationReport).toBeDefined(); const extendedResult = validationReport.performanceValidation.extendedOperation; expect(extendedResult).toBeDefined(); expect(extendedResult.overallValid).toBe(true); expect(extendedResult.totalCommands).toBeGreaterThanOrEqual(25); // Verify extended operation maintains echo fix throughout const browserCommands = extendedResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Extended operation command failed: ${cmd.command} - ${cmd.errorMessage}`); } } // Performance validation expect(extendedResult.performanceMetrics.averageCommandTime).toBeLessThan(15000); // 15s max average console.log(`✅ AC 4.13: Extended operation - ${extendedResult.totalCommands} commands, ${browserCommands.length} browser commands validated`); console.log(`Performance: ${extendedResult.performanceMetrics.averageCommandTime.toFixed(0)}ms average per command`); }); /** * AC 4.14: Concurrent session echo validation */ test('AC 4.14: Concurrent sessions should maintain echo fix', () => { expect(validationReport).toBeDefined(); const concurrentResults = validationReport.performanceValidation.concurrentSessions; expect(concurrentResults).toBeDefined(); expect(concurrentResults.length).toBeGreaterThan(0); // Verify each concurrent session maintains echo fix for (let i = 0; i < concurrentResults.length; i++) { const sessionResult = concurrentResults[i]; expect(sessionResult.overallValid).toBe(true); const browserCommands = sessionResult.commandResults.filter(r => r.initiator === 'browser'); for (const cmd of browserCommands) { expect(cmd.echoCount).toBe(1); expect(cmd.isValid).toBe(true); if (!cmd.isValid) { console.log(`❌ Concurrent session ${i + 1} command failed: ${cmd.command} - ${cmd.errorMessage}`); } } } console.log(`✅ AC 4.14: ${concurrentResults.length} concurrent sessions validated`); }); /** * AC 4.15: System resource usage validation */ test('AC 4.15: Resource usage should be within acceptable limits', () => { expect(validationReport).toBeDefined(); const resourceUsage = validationReport.performanceValidation.resourceUsage; expect(resourceUsage).toBeDefined(); expect(resourceUsage.connectionStability).toBe(true); // Validate resource usage expect(resourceUsage.memoryUsage).toBeDefined(); expect(resourceUsage.memoryUsage!).toBeLessThan(500 * 1024 * 1024); // 500MB max expect(resourceUsage.errorCount).toBe(0); console.log(`✅ AC 4.15: Resource usage - Memory: ${(resourceUsage.memoryUsage! / 1024 / 1024).toFixed(2)}MB, Errors: ${resourceUsage.errorCount}`); }); }); describe('AC 4.16-4.18: Regression Prevention and Documentation', () => { /** * AC 4.16: Echo validation test suite integration */ test('AC 4.16: Test suite should integrate successfully', () => { expect(validationReport).toBeDefined(); expect(validationReport.overallValid).toBe(true); // This test itself proves successful test suite integration console.log(`✅ AC 4.16: Test suite integration successful - ${validationReport.summary.totalTestsRun} tests executed`); }); /** * AC 4.17: Echo fix effectiveness documentation */ test('AC 4.17: Echo fix effectiveness should be documented', () => { expect(validationReport).toBeDefined(); // Verify comprehensive reporting expect(validationReport.summary.successRate).toBeGreaterThanOrEqual(0.95); // 95% success rate expect(validationReport.summary.regressionIssues).toHaveLength(0); // No regressions // Document effectiveness evidence const evidence = { totalCommandsValidated: validationReport.summary.totalTestsRun, successRate: `${(validationReport.summary.successRate * 100).toFixed(2)}%`, browserCommandsValidated: countBrowserCommands(validationReport), doubleEchoIssuesFound: validationReport.summary.regressionIssues.length, criticalIssues: validationReport.summary.criticalIssues.length }; console.log('✅ AC 4.17: Echo Fix Effectiveness Evidence:'); console.log(` Total Commands Validated: ${evidence.totalCommandsValidated}`); console.log(` Success Rate: ${evidence.successRate}`); console.log(` Browser Commands Validated: ${evidence.browserCommandsValidated}`); console.log(` Double Echo Issues Found: ${evidence.doubleEchoIssuesFound}`); console.log(` Critical Issues: ${evidence.criticalIssues}`); }); /** * AC 4.18: Long-term echo validation monitoring */ test('AC 4.18: Validation framework should support long-term monitoring', () => { expect(validationReport).toBeDefined(); // Verify comprehensive monitoring capabilities expect(validationReport.validationTimestamp).toBeGreaterThan(0); expect(validationReport.summary).toBeDefined(); expect(validationReport.performanceValidation.resourceUsage).toBeDefined(); // Framework supports monitoring by providing: // 1. Timestamped validation reports // 2. Performance metrics tracking // 3. Regression detection // 4. Resource usage monitoring // 5. Comprehensive command coverage console.log(`✅ AC 4.18: Long-term monitoring framework established`); console.log(` Validation timestamp: ${new Date(validationReport.validationTimestamp).toISOString()}`); console.log(` Monitoring categories: ${Object.keys(validationReport.commandTypeValidation).length} command types`); console.log(` Regression detection: ${validationReport.summary.regressionIssues.length} issues found`); }); }); }); /** * Helper function to count browser commands across all validation results */ function countBrowserCommands(report: ComprehensiveValidationReport): number { let count = 0; // Count from command type validation for (const result of Object.values(report.commandTypeValidation)) { count += result.commandResults.filter(r => r.initiator === 'browser').length; } // Count from cross-protocol validation if (report.crossProtocolValidation.browserOnly) { count += report.crossProtocolValidation.browserOnly.commandResults.filter(r => r.initiator === 'browser').length; } if (report.crossProtocolValidation.interleaved) { count += report.crossProtocolValidation.interleaved.commandResults.filter(r => r.initiator === 'browser').length; } // Count from edge case validation if (report.edgeCaseValidation.rapidExecution) { count += report.edgeCaseValidation.rapidExecution.commandResults.filter(r => r.initiator === 'browser').length; } if (report.edgeCaseValidation.interactive) { count += report.edgeCaseValidation.interactive.commandResults.filter(r => r.initiator === 'browser').length; } return count; }