feat(tests): fully implemented test suite

test/suite/einvoice_corpus-validation/test.corp-02.zugferd-v1.ts

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+import { tap, expect } from '@git.zone/tstest/tapbundle';
+import { EInvoice } from '../../../ts/index.js';
+import { InvoiceFormat, ValidationLevel } from '../../../ts/interfaces/common.js';
+import { CorpusLoader, PerformanceTracker } from '../../helpers/test-utils.js';
+import * as path from 'path';
+
+/**
+ * Test ID: CORP-02
+ * Test Description: ZUGFeRD v1 Corpus Processing
+ * Priority: High
+ * 
+ * This test validates processing of all ZUGFeRD v1 format files
+ * from the test corpus, including PDF extraction and XML validation.
+ */
+
+tap.test('CORP-02: ZUGFeRD v1 Corpus Processing - should process all ZUGFeRD v1 files', async (t) => {
+  // Load ZUGFeRD v1 test files
+  const zugferdV1Files = await CorpusLoader.loadCategory('ZUGFERD_V1_CORRECT');
+  
+  console.log(`Testing ${zugferdV1Files.length} ZUGFeRD v1 files`);
+  
+  const results = {
+    total: zugferdV1Files.length,
+    successful: 0,
+    failed: 0,
+    pdfFiles: 0,
+    xmlFiles: 0,
+    extractionErrors: 0,
+    validationErrors: 0,
+    processingTimes: [] as number[]
+  };
+  
+  const failures: Array<{
+    file: string;
+    error: string;
+    type: 'extraction' | 'validation' | 'parse';
+  }> = [];
+  
+  for (const file of zugferdV1Files) {
+    const isPdf = file.path.toLowerCase().endsWith('.pdf');
+    const isXml = file.path.toLowerCase().endsWith('.xml');
+    
+    if (isPdf) results.pdfFiles++;
+    if (isXml) results.xmlFiles++;
+    
+    try {
+      const fileBuffer = await CorpusLoader.loadFile(file.path);
+      
+      // Track performance
+      const { result: invoice, metric } = await PerformanceTracker.track(
+        'zugferd-v1-processing',
+        async () => {
+          const einvoice = new EInvoice();
+          
+          if (isPdf) {
+            // Extract XML from PDF
+            await einvoice.fromFile(file.path);
+          } else {
+            // Parse XML directly
+            const xmlString = fileBuffer.toString('utf-8');
+            await einvoice.fromXmlString(xmlString);
+          }
+          
+          return einvoice;
+        },
+        { file: file.path, size: file.size, type: isPdf ? 'pdf' : 'xml' }
+      );
+      
+      results.processingTimes.push(metric.duration);
+      
+      // Validate the invoice
+      try {
+        const validationResult = await invoice.validate(ValidationLevel.EXTENDED);
+        
+        if (validationResult.valid) {
+          results.successful++;
+          t.pass(`✓ ${path.basename(file.path)}: Successfully processed`);
+          
+          // Check ZUGFeRD v1 specific fields
+          if (invoice.metadata?.format === InvoiceFormat.ZUGFERD) {
+            t.pass(`  - Correctly identified as ZUGFeRD format`);
+          }
+          
+          if (invoice.metadata?.version?.startsWith('1.')) {
+            t.pass(`  - Version ${invoice.metadata.version} detected`);
+          }
+        } else {
+          results.validationErrors++;
+          failures.push({
+            file: path.basename(file.path),
+            error: validationResult.errors?.[0]?.message || 'Validation failed',
+            type: 'validation'
+          });
+          t.fail(`✗ ${path.basename(file.path)}: Validation failed`);
+        }
+      } catch (validationError: any) {
+        results.validationErrors++;
+        failures.push({
+          file: path.basename(file.path),
+          error: validationError.message,
+          type: 'validation'
+        });
+      }
+      
+    } catch (error: any) {
+      results.failed++;
+      
+      if (isPdf && error.message.includes('extract')) {
+        results.extractionErrors++;
+        failures.push({
+          file: path.basename(file.path),
+          error: error.message,
+          type: 'extraction'
+        });
+      } else {
+        failures.push({
+          file: path.basename(file.path),
+          error: error.message,
+          type: 'parse'
+        });
+      }
+      
+      t.fail(`✗ ${path.basename(file.path)}: ${error.message}`);
+    }
+  }
+  
+  // Summary report
+  console.log('\n=== ZUGFeRD v1 Corpus Processing Summary ===');
+  console.log(`Total files: ${results.total}`);
+  console.log(`  - PDF files: ${results.pdfFiles}`);
+  console.log(`  - XML files: ${results.xmlFiles}`);
+  console.log(`Successful: ${results.successful} (${(results.successful/results.total*100).toFixed(1)}%)`);
+  console.log(`Failed: ${results.failed}`);
+  console.log(`  - Extraction errors: ${results.extractionErrors}`);
+  console.log(`  - Validation errors: ${results.validationErrors}`);
+  
+  if (failures.length > 0) {
+    console.log('\nFailure Details:');
+    failures.forEach(f => {
+      console.log(`  ${f.file} [${f.type}]: ${f.error}`);
+    });
+  }
+  
+  // Performance metrics
+  if (results.processingTimes.length > 0) {
+    const avgTime = results.processingTimes.reduce((a, b) => a + b, 0) / results.processingTimes.length;
+    const pdfTimes = results.processingTimes.filter((_, i) => zugferdV1Files[i].path.endsWith('.pdf'));
+    const xmlTimes = results.processingTimes.filter((_, i) => zugferdV1Files[i].path.endsWith('.xml'));
+    
+    console.log('\nPerformance Metrics:');
+    console.log(`  Average processing time: ${avgTime.toFixed(2)}ms`);
+    
+    if (pdfTimes.length > 0) {
+      const avgPdfTime = pdfTimes.reduce((a, b) => a + b, 0) / pdfTimes.length;
+      console.log(`  Average PDF processing: ${avgPdfTime.toFixed(2)}ms`);
+    }
+    
+    if (xmlTimes.length > 0) {
+      const avgXmlTime = xmlTimes.reduce((a, b) => a + b, 0) / xmlTimes.length;
+      console.log(`  Average XML processing: ${avgXmlTime.toFixed(2)}ms`);
+    }
+  }
+  
+  // Success criteria: at least 80% should pass (ZUGFeRD v1 is legacy)
+  const successRate = results.successful / results.total;
+  expect(successRate).toBeGreaterThan(0.8);
+});
+
+tap.start();