validate-implementation.js

/**
 * Simple validation script for the enhanced submitAttestation implementation
 * This script validates the core functionality without requiring test frameworks
 */

// Simple test framework
class TestRunner {
  constructor() {
    this.tests = [];
    this.passed = 0;
    this.failed = 0;
  }

  test(name, fn) {
    this.tests.push({ name, fn });
  }

  async run() {
    console.log('🧪 Running validation tests for enhanced submitAttestation...\n');
    
    for (const { name, fn } of this.tests) {
      try {
        await fn();
        console.log(`✅ ${name}`);
        this.passed++;
      } catch (error) {
        console.log(`❌ ${name}`);
        console.log(`   Error: ${error.message}`);
        this.failed++;
      }
    }

    console.log(`\n📊 Results: ${this.passed} passed, ${this.failed} failed`);
    return this.failed === 0;
  }
}

// Mock dependencies for testing
const mockFetchRazorpayRevenue = async () => [
  { date: '2024-03-01', amount: 1000, currency: 'USD' },
  { date: '2024-03-15', amount: 1500, currency: 'USD' },
];

const mockAttestationRepository = {
  create: (data) => ({ id: 'att_789', ...data }),
};

const mockMerkleTree = class {
  constructor(leaves) {
    this.leaves = leaves;
  }
  getRoot() {
    return '0x' + 'abcdef1234567890'.repeat(4);
  }
};

// Import and test the actual implementation
async function validateImplementation() {
  const runner = new TestRunner();

  // Test 1: Error taxonomy completeness
  runner.test('Error taxonomy has all required codes', async () => {
    // Import the module
    const fs = await import('fs');
    const path = await import('path');
    
    const submitPath = path.join(process.cwd(), 'src', 'services', 'attestation', 'submit.ts');
    const content = fs.readFileSync(submitPath, 'utf8');
    
    // Check for all error codes
    const requiredCodes = [
      'NETWORK_TIMEOUT',
      'NETWORK_ERROR', 
      'RPC_UNAVAILABLE',
      'NONCE_CONFLICT',
      'FEE_BUMP_REQUIRED',
      'TRANSACTION_PENDING',
      'INVALID_SIGNATURE',
      'INVALID_ACCOUNT',
      'INSUFFICIENT_BALANCE',
      'CONTRACT_ERROR',
      'RATE_LIMITED',
      'SERVICE_UNAVAILABLE',
      'INTERNAL_ERROR'
    ];

    for (const code of requiredCodes) {
      if (!content.includes(code)) {
        throw new Error(`Missing error code: ${code}`);
      }
    }
  });

  // Test 2: Retry configuration
  runner.test('Retry configuration is properly defined', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const submitPath = path.join(process.cwd(), 'src', 'services', 'attestation', 'submit.ts');
    const content = fs.readFileSync(submitPath, 'utf8');
    
    // Check for retry config
    if (!content.includes('maxAttempts: 3')) {
      throw new Error('Missing maxAttempts configuration');
    }
    if (!content.includes('baseDelayMs: 1000')) {
      throw new Error('Missing baseDelayMs configuration');
    }
    if (!content.includes('backoffMultiplier: 2')) {
      throw new Error('Missing backoffMultiplier configuration');
    }
  });

  // Test 3: Structured logging
  runner.test('Structured logging is implemented', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const submitPath = path.join(process.cwd(), 'src', 'services', 'attestation', 'submit.ts');
    const content = fs.readFileSync(submitPath, 'utf8');
    
    // Check for structured logging
    if (!content.includes('service: \'attestation-submit\'')) {
      throw new Error('Missing service identifier in logs');
    }
    if (!content.includes('timestamp')) {
      throw new Error('Missing timestamp in logs');
    }
    if (!content.includes('userId')) {
      throw new Error('Missing userId in logs');
    }
  });

  // Test 4: Retry logic implementation
  runner.test('Retry logic with exponential backoff is implemented', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const submitPath = path.join(process.cwd(), 'src', 'services', 'attestation', 'submit.ts');
    const content = fs.readFileSync(submitPath, 'utf8');
    
    // Check for retry logic
    if (!content.includes('for (let attempt = 1')) {
      throw new Error('Missing retry loop');
    }
    if (!content.includes('calculateDelay')) {
      throw new Error('Missing delay calculation');
    }
    if (!content.includes('isRetryableError')) {
      throw new Error('Missing retryable error check');
    }
  });

  // Test 5: Error mapping
  runner.test('Error mapping to appropriate HTTP codes', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const submitPath = path.join(process.cwd(), 'src', 'services', 'attestation', 'submit.ts');
    const content = fs.readFileSync(submitPath, 'utf8');
    
    // Check for proper error mapping
    if (!content.includes('INSUFFICIENT_BALANCE')) {
      throw new Error('Missing insufficient balance handling');
    }
    // Look for 400 status code in any format (could be 400, '400', or variable)
    if (!content.match(/400|AppError.*400/)) {
      throw new Error('Missing 400 status code mapping');
    }
    if (!content.includes('ExternalServiceError')) {
      throw new Error('Missing external service error handling');
    }
  });

  // Test 6: Jitter implementation
  runner.test('Jitter is implemented to prevent thundering herd', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const submitPath = path.join(process.cwd(), 'src', 'services', 'attestation', 'submit.ts');
    const content = fs.readFileSync(submitPath, 'utf8');
    
    // Check for jitter implementation
    if (!content.includes('jitter')) {
      throw new Error('Missing jitter implementation');
    }
    if (!content.includes('0.5 + Math.random() * 0.5')) {
      throw new Error('Missing jitter calculation');
    }
  });

  // Test 7: Unit tests exist
  runner.test('Unit tests file exists and has content', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const testPath = path.join(process.cwd(), 'tests', 'unit', 'attestation-submit.test.ts');
    if (!fs.existsSync(testPath)) {
      throw new Error('Unit tests file does not exist');
    }
    
    const content = fs.readFileSync(testPath, 'utf8');
    if (content.length < 1000) {
      throw new Error('Unit tests file appears to be empty or minimal');
    }
  });

  // Test 8: Documentation exists
  runner.test('Documentation is updated', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const readmePath = path.join(process.cwd(), 'tests', 'README.md');
    const content = fs.readFileSync(readmePath, 'utf8');
    
    if (!content.includes('Enhanced Attestation Submit Service Tests')) {
      throw new Error('README.md not updated with new test documentation');
    }
  });

  // Test 9: Threat model exists
  runner.test('Threat model documentation exists', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const threatModelPath = path.join(process.cwd(), 'docs', 'threat-model-attestation-submit.md');
    if (!fs.existsSync(threatModelPath)) {
      throw new Error('Threat model documentation does not exist');
    }
    
    const content = fs.readFileSync(threatModelPath, 'utf8');
    if (content.length < 5000) {
      throw new Error('Threat model appears to be minimal');
    }
  });

  // Test 10: Security considerations
  runner.test('Security considerations are documented', async () => {
    const fs = await import('fs');
    const path = await import('path');
    
    const threatModelPath = path.join(process.cwd(), 'docs', 'threat-model-attestation-submit.md');
    const content = fs.readFileSync(threatModelPath, 'utf8');
    
    const securityTopics = [
      'Double-Spending Prevention',
      'Transaction Replay Attacks',
      'Resource Exhaustion',
      'Information Disclosure',
      'Log Injection',
      'Network Security'
    ];

    for (const topic of securityTopics) {
      if (!content.includes(topic)) {
        throw new Error(`Missing security topic: ${topic}`);
      }
    }
  });

  return await runner.run();
}

// Run validation
validateImplementation().then(success => {
  if (success) {
    console.log('\n🎉 All validation tests passed! The enhanced submitAttestation implementation is ready.');
    process.exit(0);
  } else {
    console.log('\n💥 Some validation tests failed. Please review the implementation.');
    process.exit(1);
  }
}).catch(error => {
  console.error('Validation script failed:', error);
  process.exit(1);
});