einvoice/test/suite/einvoice_error-handling/test.err-09.transformation-errors.ts

import { expect, tap } from '@git.zone/tstest/tapbundle';
import { EInvoice } from '../../../ts/index.js';
import { PerformanceTracker } from '../../helpers/performance.tracker.js';

tap.test('ERR-09: Transformation Errors - should handle transformation errors', async () => {
  // ERR-09: Test error handling for transformation errors
  
  // Test 1: Basic error handling
  console.log('\nTest 1: Basic transformation errors handling');
  const { result: basicResult, metric: basicMetric } = await PerformanceTracker.track(
    'err09-basic',
    async () => {
      let errorCaught = false;
      let errorMessage = '';
      
      try {
        // Simulate error scenario
        const einvoice = new EInvoice();
        
        // Try to load invalid content based on test type
        // Invalid format transformation
        await einvoice.toXmlString('invalid-format' as any);
        
      } catch (error) {
        errorCaught = true;
        errorMessage = error.message || 'Unknown error';
        console.log(`  Error caught: ${errorMessage}`);
      }
      
      return { 
        success: errorCaught, 
        errorMessage,
        gracefulHandling: errorCaught && !errorMessage.includes('FATAL')
      };
    }
  );
  
  console.log(`  Basic error handling completed in ${basicMetric.duration}ms`);
  console.log(`  Error was caught: ${basicResult.success}`);
  console.log(`  Graceful handling: ${basicResult.gracefulHandling}`);
  
  // Test 2: Recovery mechanism
  console.log('\nTest 2: Recovery after error');
  const { result: recoveryResult, metric: recoveryMetric } = await PerformanceTracker.track(
    'err09-recovery',
    async () => {
      const einvoice = new EInvoice();
      
      // First cause an error
      try {
        // Invalid format transformation
        await einvoice.toXmlString('invalid-format' as any);
      } catch (error) {
        // Expected error
      }
      
      // Now try normal operation
      einvoice.id = 'RECOVERY-TEST';
      einvoice.issueDate = new Date(2025, 0, 25);
      einvoice.invoiceId = 'RECOVERY-TEST';
      einvoice.accountingDocId = 'RECOVERY-TEST';
      
      einvoice.from = {
        type: 'company',
        name: 'Test Company',
        description: 'Testing error recovery',
        address: {
          streetName: 'Test Street',
          houseNumber: '1',
          postalCode: '12345',
          city: 'Test City',
          country: 'DE'
        },
        status: 'active',
        foundedDate: { year: 2020, month: 1, day: 1 },
        registrationDetails: {
          vatId: 'DE123456789',
          registrationId: 'HRB 12345',
          registrationName: 'Commercial Register'
        }
      };
      
      einvoice.to = {
        type: 'person',
        name: 'Test',
        surname: 'Customer',
        salutation: 'Mr' as const,
        sex: 'male' as const,
        title: 'Doctor' as const,
        description: 'Test customer',
        address: {
          streetName: 'Customer Street',
          houseNumber: '2',
          postalCode: '54321',
          city: 'Customer City',
          country: 'DE'
        }
      };
      
      einvoice.items = [{
        position: 1,
        name: 'Test Product',
        articleNumber: 'TEST-001',
        unitType: 'EA',
        unitQuantity: 1,
        unitNetPrice: 100,
        vatPercentage: 19
      }];
      
      // Try to export after error
      let canRecover = false;
      try {
        const xml = await einvoice.toXmlString('ubl');
        canRecover = xml.includes('RECOVERY-TEST');
      } catch (error) {
        canRecover = false;
      }
      
      return { success: canRecover };
    }
  );
  
  console.log(`  Recovery test completed in ${recoveryMetric.duration}ms`);
  console.log(`  Can recover after error: ${recoveryResult.success}`);
  
  // Summary
  console.log('\n=== Transformation Errors Error Handling Summary ===');
  console.log(`Error Detection: ${basicResult.success ? 'Working' : 'Failed'}`);
  console.log(`Graceful Handling: ${basicResult.gracefulHandling ? 'Yes' : 'No'}`);
  console.log(`Recovery: ${recoveryResult.success ? 'Successful' : 'Failed'}`);
  
  // Test passes if errors are caught gracefully
  expect(basicResult.success).toBeTrue();
  expect(recoveryResult.success).toBeTrue();
});

// Run the test
tap.start();