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import { expect, tap } from '@git.zone/tstest/tapbundle';
import { promises as fs } from 'fs';
import * as path from 'path';
import { CorpusLoader } from '../../helpers/corpus.loader.js';
import { PerformanceTracker } from '../../helpers/performance.tracker.js';
tap.test('PDF-01: XML Extraction from ZUGFeRD PDFs - should extract XML from ZUGFeRD v1 PDFs', async () => {
// Get ZUGFeRD v1 PDF files from corpus
const zugferdV1Files = await CorpusLoader.getFiles('ZUGFERD_V1_CORRECT');
const pdfFiles = zugferdV1Files.filter(f => f.endsWith('.pdf'));
console.log(`Testing XML extraction from ${pdfFiles.length} ZUGFeRD v1 PDFs`);
let successCount = 0;
let failCount = 0;
const results: { file: string; success: boolean; format?: string; size?: number; error?: string }[] = [];
// Import required classes
const { EInvoice } = await import('../../../ts/index.js');
for (const filePath of pdfFiles.slice(0, 5)) { // Test first 5 for performance
const fileName = path.basename(filePath);
try {
// Read PDF file
const pdfBuffer = await fs.readFile(filePath);
// Track performance of PDF extraction
const { result: einvoice, metric } = await PerformanceTracker.track(
'pdf-extraction-v1',
async () => {
return await EInvoice.fromPdf(pdfBuffer);
},
{
file: fileName,
size: pdfBuffer.length
}
);
// Verify extraction succeeded
expect(einvoice).toBeTruthy();
const xml = einvoice.getXml ? einvoice.getXml() : '';
expect(xml).toBeTruthy();
expect(xml.length).toBeGreaterThan(100);
// Check format detection
const format = einvoice.getFormat ? einvoice.getFormat() : 'unknown';
successCount++;
results.push({
file: fileName,
success: true,
format: format.toString(),
size: xml.length
});
console.log(`${fileName}: Extracted ${xml.length} bytes, format: ${format} (${metric.duration.toFixed(2)}ms)`);
// Verify basic invoice data (if available)
if (einvoice.id) {
expect(einvoice.id).toBeTruthy();
}
if (einvoice.from && einvoice.from.name) {
expect(einvoice.from.name).toBeTruthy();
}
} catch (error) {
failCount++;
results.push({
file: fileName,
success: false,
error: error.message
});
console.log(`${fileName}: ${error.message}`);
}
}
console.log(`\nZUGFeRD v1 Extraction Summary: ${successCount} succeeded, ${failCount} failed`);
// Show results summary
const formatCounts: Record<string, number> = {};
results.filter(r => r.success && r.format).forEach(r => {
formatCounts[r.format!] = (formatCounts[r.format!] || 0) + 1;
});
if (Object.keys(formatCounts).length > 0) {
console.log('Format distribution:', formatCounts);
}
// Performance summary
const perfSummary = await PerformanceTracker.getSummary('pdf-extraction-v1');
if (perfSummary) {
console.log(`\nExtraction Performance:`);
console.log(` Average: ${perfSummary.average.toFixed(2)}ms`);
console.log(` Min: ${perfSummary.min.toFixed(2)}ms`);
console.log(` Max: ${perfSummary.max.toFixed(2)}ms`);
console.log(` P95: ${perfSummary.p95.toFixed(2)}ms`);
}
// Expect at least some success (ZUGFeRD PDFs should extract)
expect(successCount).toBeGreaterThan(0);
});
tap.test('PDF-01: XML Extraction from ZUGFeRD v2/Factur-X PDFs - should extract XML from v2 PDFs', async () => {
// Get ZUGFeRD v2 PDF files from corpus
const zugferdV2Files = await CorpusLoader.getFiles('ZUGFERD_V2_CORRECT');
const pdfFiles = zugferdV2Files.filter(f => f.endsWith('.pdf'));
console.log(`Testing XML extraction from ${pdfFiles.length} ZUGFeRD v2/Factur-X PDFs`);
const profileStats: Record<string, number> = {};
let successCount = 0;
const { EInvoice } = await import('../../../ts/index.js');
for (const filePath of pdfFiles.slice(0, 8)) { // Test first 8
const fileName = path.basename(filePath);
try {
// Read PDF file
const pdfBuffer = await fs.readFile(filePath);
const { result: einvoice, metric } = await PerformanceTracker.track(
'pdf-extraction-v2',
async () => {
return await EInvoice.fromPdf(pdfBuffer);
},
{
file: fileName,
size: pdfBuffer.length
}
);
// Extract profile from filename if present
const profileMatch = fileName.match(/(BASIC|COMFORT|EXTENDED|MINIMUM|EN16931)/i);
const profile = profileMatch ? profileMatch[1].toUpperCase() : 'UNKNOWN';
profileStats[profile] = (profileStats[profile] || 0) + 1;
const format = einvoice.getFormat ? einvoice.getFormat() : 'unknown';
console.log(`${fileName}: Profile ${profile}, Format ${format} (${metric.duration.toFixed(2)}ms)`);
// Test that we can access the XML
const xml = einvoice.getXml ? einvoice.getXml() : '';
expect(xml).toBeTruthy();
expect(xml).toContain('CrossIndustryInvoice'); // Should be CII format
successCount++;
} catch (error) {
console.log(`${fileName}: ${error.message}`);
}
}
console.log(`\nZUGFeRD v2/Factur-X Extraction Summary: ${successCount} succeeded`);
console.log('Profile distribution:', profileStats);
// Performance summary
const perfSummary = await PerformanceTracker.getSummary('pdf-extraction-v2');
if (perfSummary) {
console.log(`\nV2 Extraction Performance:`);
console.log(` Average: ${perfSummary.average.toFixed(2)}ms`);
console.log(` Min: ${perfSummary.min.toFixed(2)}ms`);
console.log(` Max: ${perfSummary.max.toFixed(2)}ms`);
console.log(` P95: ${perfSummary.p95.toFixed(2)}ms`);
}
expect(successCount).toBeGreaterThan(0);
});
tap.test('PDF-01: PDF Extraction Error Handling - should handle invalid PDFs gracefully', async () => {
const { EInvoice } = await import('../../../ts/index.js');
// Test with empty buffer
try {
await EInvoice.fromPdf(new Uint8Array(0));
expect.fail('Should have thrown an error for empty PDF');
} catch (error) {
console.log('✓ Empty PDF error handled correctly');
expect(error.message).toBeTruthy();
}
// Test with non-PDF data
try {
const textBuffer = Buffer.from('This is not a PDF file');
await EInvoice.fromPdf(textBuffer);
expect.fail('Should have thrown an error for non-PDF data');
} catch (error) {
console.log('✓ Non-PDF data error handled correctly');
expect(error.message).toBeTruthy();
}
// Test with corrupted PDF header
try {
const corruptPdf = Buffer.from('%PDF-1.4\nCorrupted content');
await EInvoice.fromPdf(corruptPdf);
expect.fail('Should have thrown an error for corrupted PDF');
} catch (error) {
console.log('✓ Corrupted PDF error handled correctly');
expect(error.message).toBeTruthy();
}
// Test with valid PDF but no embedded XML
const minimalPdf = createMinimalTestPDF();
try {
await EInvoice.fromPdf(minimalPdf);
console.log('○ Minimal PDF processed (may or may not have XML)');
} catch (error) {
console.log('✓ PDF without XML handled correctly');
expect(error.message).toBeTruthy();
}
});
tap.test('PDF-01: Failed PDF Extraction - should handle PDFs without XML gracefully', async () => {
// Get files expected to fail
const failPdfs = await CorpusLoader.getFiles('ZUGFERD_V1_FAIL');
const pdfFailFiles = failPdfs.filter(f => f.endsWith('.pdf'));
console.log(`Testing ${pdfFailFiles.length} PDFs expected to fail`);
const { EInvoice } = await import('../../../ts/index.js');
let expectedFailures = 0;
let unexpectedSuccesses = 0;
for (const filePath of pdfFailFiles) {
const fileName = path.basename(filePath);
try {
const pdfBuffer = await fs.readFile(filePath);
const { result: einvoice } = await PerformanceTracker.track(
'pdf-extraction-fail',
async () => {
return await EInvoice.fromPdf(pdfBuffer);
}
);
unexpectedSuccesses++;
console.log(`${fileName}: Unexpectedly succeeded (might have XML)`);
} catch (error) {
expectedFailures++;
console.log(`${fileName}: Correctly failed - ${error.message}`);
}
}
console.log(`\nFail Test Summary: ${expectedFailures} expected failures, ${unexpectedSuccesses} unexpected successes`);
// Most files in fail directory should fail
if (pdfFailFiles.length > 0) {
expect(expectedFailures).toBeGreaterThan(0);
}
});
tap.test('PDF-01: Large PDF Performance - should handle large PDFs efficiently', async () => {
const { EInvoice } = await import('../../../ts/index.js');
// Create a larger test PDF (1MB)
const largePdfSize = 1024 * 1024; // 1MB
const largePdfBuffer = Buffer.alloc(largePdfSize);
// Create a simple PDF header
const pdfHeader = Buffer.from('%PDF-1.4\n');
pdfHeader.copy(largePdfBuffer);
console.log(`Testing with ${(largePdfSize / 1024 / 1024).toFixed(1)}MB PDF`);
const { metric } = await PerformanceTracker.track(
'large-pdf-processing',
async () => {
try {
await EInvoice.fromPdf(largePdfBuffer);
return 'success';
} catch (error) {
// Expected to fail since it's not a real PDF with XML
return 'failed';
}
}
);
console.log(`✓ Large PDF processed in ${metric.duration.toFixed(2)}ms`);
expect(metric.duration).toBeLessThan(5000); // Should fail fast, not hang
// Test memory usage
const memoryUsed = metric.memory ? metric.memory.used / 1024 / 1024 : 0; // MB
console.log(`Memory usage: ${memoryUsed.toFixed(2)}MB`);
if (memoryUsed > 0) {
expect(memoryUsed).toBeLessThan(largePdfSize / 1024 / 1024 * 2); // Should not use more than 2x file size
}
});
// Helper function to create a minimal test PDF
function createMinimalTestPDF(): Uint8Array {
const pdfContent = `%PDF-1.4
1 0 obj
<< /Type /Catalog /Pages 2 0 R >>
endobj
2 0 obj
<< /Type /Pages /Kids [3 0 R] /Count 1 >>
endobj
3 0 obj
<< /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] /Resources << >> >>
endobj
xref
0 4
0000000000 65535 f
0000000009 00000 n
0000000058 00000 n
0000000115 00000 n
trailer
<< /Size 4 /Root 1 0 R >>
startxref
217
%%EOF`;
return new Uint8Array(Buffer.from(pdfContent));
}
tap.start();

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import { tap, expect } from '@git.zone/tstest/tapbundle';
import * as plugins from '../../../ts/plugins.ts';
import { EInvoice } from '../../../ts/classes.xinvoice.ts';
import { CorpusLoader } from '../../helpers/corpus.loader.ts';
import { PerformanceTracker } from '../../helpers/performance.tracker.ts';
const testTimeout = 300000; // 5 minutes timeout for PDF processing
// PDF-02: ZUGFeRD v1 Extraction
// Tests XML extraction from ZUGFeRD v1 PDFs with specific format validation
// and compatibility checks for legacy ZUGFeRD implementations
tap.test('PDF-02: ZUGFeRD v1 Extraction - Basic Extraction', async (tools) => {
const startTime = Date.now();
// Test basic ZUGFeRD v1 extraction functionality
try {
const zugferdV1Files = await CorpusLoader.getFiles('ZUGFERD_V1');
if (zugferdV1Files.length === 0) {
tools.log('⚠ No ZUGFeRD v1 files found in corpus, skipping basic extraction test');
return;
}
const testFile = zugferdV1Files[0];
tools.log(`Testing ZUGFeRD v1 extraction with: ${plugins.path.basename(testFile)}`);
const invoice = new EInvoice();
// Check if file exists and is readable
const fileExists = await plugins.fs.pathExists(testFile);
expect(fileExists).toBe(true);
const fileStats = await plugins.fs.stat(testFile);
tools.log(`File size: ${(fileStats.size / 1024).toFixed(1)}KB`);
// Attempt PDF extraction
let extractionResult;
try {
extractionResult = await invoice.fromFile(testFile);
if (extractionResult) {
tools.log('✓ ZUGFeRD v1 XML extraction successful');
// Verify extracted content contains ZUGFeRD v1 characteristics
const extractedXml = await invoice.toXmlString();
expect(extractedXml).toBeTruthy();
expect(extractedXml.length).toBeGreaterThan(100);
// Check for ZUGFeRD v1 namespace or characteristics
const hasZugferdV1Markers = extractedXml.includes('urn:ferd:CrossIndustryDocument:invoice:1p0') ||
extractedXml.includes('ZUGFeRD') ||
extractedXml.includes('FERD');
if (hasZugferdV1Markers) {
tools.log('✓ ZUGFeRD v1 format markers detected in extracted XML');
} else {
tools.log('⚠ ZUGFeRD v1 format markers not clearly detected');
}
// Test basic validation of extracted content
try {
const validationResult = await invoice.validate();
if (validationResult.valid) {
tools.log('✓ Extracted ZUGFeRD v1 content passes validation');
} else {
tools.log(`⚠ Validation issues found: ${validationResult.errors?.length || 0} errors`);
}
} catch (validationError) {
tools.log(`⚠ Validation failed: ${validationError.message}`);
}
} else {
tools.log('⚠ ZUGFeRD v1 extraction returned no result');
}
} catch (extractionError) {
tools.log(`⚠ ZUGFeRD v1 extraction failed: ${extractionError.message}`);
// This might be expected if PDF extraction is not fully implemented
}
} catch (error) {
tools.log(`ZUGFeRD v1 basic extraction test failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-zugferd-v1-basic-extraction', duration);
});
tap.test('PDF-02: ZUGFeRD v1 Extraction - Corpus Processing', { timeout: testTimeout }, async (tools) => {
const startTime = Date.now();
let processedFiles = 0;
let successfulExtractions = 0;
let extractionErrors = 0;
let totalExtractionTime = 0;
try {
const zugferdV1Files = await CorpusLoader.getFiles('ZUGFERD_V1');
tools.log(`Processing ${zugferdV1Files.length} ZUGFeRD v1 files`);
if (zugferdV1Files.length === 0) {
tools.log('⚠ No ZUGFeRD v1 files found in corpus');
return;
}
for (const filePath of zugferdV1Files) {
const fileName = plugins.path.basename(filePath);
const fileExtractionStart = Date.now();
try {
processedFiles++;
// Check file accessibility
const fileExists = await plugins.fs.pathExists(filePath);
if (!fileExists) {
tools.log(`⚠ File not found: ${fileName}`);
continue;
}
const fileStats = await plugins.fs.stat(filePath);
const fileSizeKB = fileStats.size / 1024;
// Attempt extraction
const invoice = new EInvoice();
const extractionResult = await invoice.fromFile(filePath);
const fileExtractionTime = Date.now() - fileExtractionStart;
totalExtractionTime += fileExtractionTime;
if (extractionResult) {
successfulExtractions++;
tools.log(`${fileName}: Extracted (${fileSizeKB.toFixed(1)}KB, ${fileExtractionTime}ms)`);
// Quick validation of extracted content
try {
const xmlContent = await invoice.toXmlString();
if (xmlContent && xmlContent.length > 50) {
tools.log(` Content length: ${xmlContent.length} chars`);
}
} catch (contentError) {
tools.log(` ⚠ Content extraction error: ${contentError.message}`);
}
} else {
extractionErrors++;
tools.log(`${fileName}: No XML content extracted`);
}
} catch (error) {
extractionErrors++;
const fileExtractionTime = Date.now() - fileExtractionStart;
totalExtractionTime += fileExtractionTime;
tools.log(`${fileName}: Extraction failed - ${error.message}`);
}
}
// Calculate statistics
const successRate = processedFiles > 0 ? (successfulExtractions / processedFiles) * 100 : 0;
const averageExtractionTime = processedFiles > 0 ? totalExtractionTime / processedFiles : 0;
tools.log(`\nZUGFeRD v1 Extraction Summary:`);
tools.log(`- Files processed: ${processedFiles}`);
tools.log(`- Successful extractions: ${successfulExtractions} (${successRate.toFixed(1)}%)`);
tools.log(`- Extraction errors: ${extractionErrors}`);
tools.log(`- Average extraction time: ${averageExtractionTime.toFixed(1)}ms`);
// Performance expectations
if (processedFiles > 0) {
expect(averageExtractionTime).toBeLessThan(5000); // 5 seconds max per file
}
// We expect at least some extractions to work, but don't require 100% success
// as some files might be corrupted or use unsupported PDF features
if (processedFiles > 0) {
expect(successRate).toBeGreaterThan(0); // At least one file should work
}
} catch (error) {
tools.log(`ZUGFeRD v1 corpus processing failed: ${error.message}`);
throw error;
}
const totalDuration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-zugferd-v1-corpus-extraction', totalDuration);
tools.log(`ZUGFeRD v1 corpus processing completed in ${totalDuration}ms`);
});
tap.test('PDF-02: ZUGFeRD v1 Extraction - Format Validation', async (tools) => {
const startTime = Date.now();
try {
const zugferdV1Files = await CorpusLoader.getFiles('ZUGFERD_V1');
if (zugferdV1Files.length === 0) {
tools.log('⚠ No ZUGFeRD v1 files found for format validation');
return;
}
// Test with first available file for detailed format validation
const testFile = zugferdV1Files[0];
const fileName = plugins.path.basename(testFile);
tools.log(`Testing ZUGFeRD v1 format validation with: ${fileName}`);
const invoice = new EInvoice();
try {
const extractionResult = await invoice.fromFile(testFile);
if (extractionResult) {
const xmlContent = await invoice.toXmlString();
// ZUGFeRD v1 specific format checks
const formatChecks = {
hasXmlDeclaration: xmlContent.startsWith('<?xml'),
hasZugferdNamespace: xmlContent.includes('urn:ferd:CrossIndustryDocument:invoice:1p0') ||
xmlContent.includes('ZUGFeRD') ||
xmlContent.includes('FERD'),
hasInvoiceElements: xmlContent.includes('<Invoice') ||
xmlContent.includes('<CrossIndustryDocument') ||
xmlContent.includes('<invoice'),
isWellFormed: true // Assume true if we got this far
};
tools.log(`ZUGFeRD v1 Format Validation Results:`);
tools.log(`- Has XML Declaration: ${formatChecks.hasXmlDeclaration}`);
tools.log(`- Has ZUGFeRD Namespace: ${formatChecks.hasZugferdNamespace}`);
tools.log(`- Has Invoice Elements: ${formatChecks.hasInvoiceElements}`);
tools.log(`- Is Well-Formed: ${formatChecks.isWellFormed}`);
// Basic format expectations
expect(formatChecks.hasXmlDeclaration).toBe(true);
expect(formatChecks.isWellFormed).toBe(true);
if (formatChecks.hasZugferdNamespace && formatChecks.hasInvoiceElements) {
tools.log('✓ ZUGFeRD v1 format validation passed');
} else {
tools.log('⚠ ZUGFeRD v1 format markers not fully detected');
}
// Test format detection if available
if (typeof invoice.detectFormat === 'function') {
try {
const detectedFormat = await invoice.detectFormat(xmlContent);
tools.log(`Detected format: ${detectedFormat}`);
if (detectedFormat.toLowerCase().includes('zugferd') ||
detectedFormat.toLowerCase().includes('cii')) {
tools.log('✓ Format detection correctly identified ZUGFeRD/CII');
}
} catch (detectionError) {
tools.log(`Format detection error: ${detectionError.message}`);
}
}
} else {
tools.log('⚠ No content extracted for format validation');
}
} catch (extractionError) {
tools.log(`Format validation extraction failed: ${extractionError.message}`);
}
} catch (error) {
tools.log(`ZUGFeRD v1 format validation failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-zugferd-v1-format-validation', duration);
});
tap.test('PDF-02: ZUGFeRD v1 Extraction - Error Handling', async (tools) => {
const startTime = Date.now();
// Test error handling with various problematic scenarios
const errorTestCases = [
{
name: 'Non-existent file',
filePath: '/non/existent/zugferd.pdf',
expectedError: true
},
{
name: 'Empty file path',
filePath: '',
expectedError: true
}
];
for (const testCase of errorTestCases) {
tools.log(`Testing error handling: ${testCase.name}`);
try {
const invoice = new EInvoice();
if (testCase.filePath) {
const result = await invoice.fromFile(testCase.filePath);
if (testCase.expectedError) {
tools.log(`⚠ Expected error for ${testCase.name} but operation succeeded`);
} else {
tools.log(`${testCase.name}: Operation succeeded as expected`);
}
} else {
// Test with empty/invalid path
try {
await invoice.fromFile(testCase.filePath);
if (testCase.expectedError) {
tools.log(`⚠ Expected error for ${testCase.name} but no error occurred`);
}
} catch (error) {
if (testCase.expectedError) {
tools.log(`${testCase.name}: Expected error caught - ${error.message}`);
} else {
throw error;
}
}
}
} catch (error) {
if (testCase.expectedError) {
tools.log(`${testCase.name}: Expected error caught - ${error.message}`);
expect(error.message).toBeTruthy();
} else {
tools.log(`${testCase.name}: Unexpected error - ${error.message}`);
throw error;
}
}
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-zugferd-v1-error-handling', duration);
});
tap.test('PDF-02: Performance Summary', async (tools) => {
const operations = [
'pdf-zugferd-v1-basic-extraction',
'pdf-zugferd-v1-corpus-extraction',
'pdf-zugferd-v1-format-validation',
'pdf-zugferd-v1-error-handling'
];
tools.log(`\n=== ZUGFeRD v1 Extraction Performance Summary ===`);
for (const operation of operations) {
const summary = await PerformanceTracker.getSummary(operation);
if (summary) {
tools.log(`${operation}:`);
tools.log(` avg=${summary.average}ms, min=${summary.min}ms, max=${summary.max}ms, p95=${summary.p95}ms`);
}
}
tools.log(`\nZUGFeRD v1 extraction testing completed.`);
});

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import { tap, expect } from '@git.zone/tstest/tapbundle';
import * as plugins from '../../../ts/plugins.ts';
import { EInvoice } from '../../../ts/classes.xinvoice.ts';
import { CorpusLoader } from '../../helpers/corpus.loader.ts';
import { PerformanceTracker } from '../../helpers/performance.tracker.ts';
const testTimeout = 300000; // 5 minutes timeout for PDF processing
// PDF-03: ZUGFeRD v2/Factur-X Extraction
// Tests XML extraction from ZUGFeRD v2 and Factur-X PDFs with enhanced format support
// and cross-border compatibility (German ZUGFeRD v2 and French Factur-X)
tap.test('PDF-03: Factur-X Extraction - Basic ZUGFeRD v2 Extraction', async (tools) => {
const startTime = Date.now();
try {
const zugferdV2Files = await CorpusLoader.getFiles('ZUGFERD_V2');
if (zugferdV2Files.length === 0) {
tools.log('⚠ No ZUGFeRD v2 files found in corpus, skipping basic extraction test');
return;
}
const testFile = zugferdV2Files[0];
tools.log(`Testing ZUGFeRD v2 extraction with: ${plugins.path.basename(testFile)}`);
const invoice = new EInvoice();
// Check file accessibility
const fileExists = await plugins.fs.pathExists(testFile);
expect(fileExists).toBe(true);
const fileStats = await plugins.fs.stat(testFile);
tools.log(`File size: ${(fileStats.size / 1024).toFixed(1)}KB`);
// Attempt PDF extraction
try {
const extractionResult = await invoice.fromFile(testFile);
if (extractionResult) {
tools.log('✓ ZUGFeRD v2 XML extraction successful');
// Verify extracted content
const extractedXml = await invoice.toXmlString();
expect(extractedXml).toBeTruthy();
expect(extractedXml.length).toBeGreaterThan(100);
// Check for ZUGFeRD v2/Factur-X characteristics
const hasZugferdV2Markers = extractedXml.includes('urn:cen.eu:en16931:2017') ||
extractedXml.includes('CrossIndustryInvoice') ||
extractedXml.includes('urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100') ||
extractedXml.includes('zugferd') ||
extractedXml.includes('factur-x');
if (hasZugferdV2Markers) {
tools.log('✓ ZUGFeRD v2/Factur-X format markers detected');
} else {
tools.log('⚠ ZUGFeRD v2/Factur-X format markers not clearly detected');
}
// Test validation of extracted content
try {
const validationResult = await invoice.validate();
if (validationResult.valid) {
tools.log('✓ Extracted ZUGFeRD v2 content passes validation');
} else {
tools.log(`⚠ Validation issues: ${validationResult.errors?.length || 0} errors`);
if (validationResult.errors && validationResult.errors.length > 0) {
tools.log(` First error: ${validationResult.errors[0].message}`);
}
}
} catch (validationError) {
tools.log(`⚠ Validation failed: ${validationError.message}`);
}
} else {
tools.log('⚠ ZUGFeRD v2 extraction returned no result');
}
} catch (extractionError) {
tools.log(`⚠ ZUGFeRD v2 extraction failed: ${extractionError.message}`);
}
} catch (error) {
tools.log(`ZUGFeRD v2 basic extraction test failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-facturx-basic-extraction', duration);
});
tap.test('PDF-03: Factur-X Extraction - Factur-X Specific Testing', async (tools) => {
const startTime = Date.now();
try {
// Look for Factur-X specific files in corpus
const facturxFiles = await CorpusLoader.getFiles('ZUGFERD_V2');
// Filter for files that might be Factur-X specific
const potentialFacturxFiles = facturxFiles.filter(file =>
plugins.path.basename(file).toLowerCase().includes('factur') ||
plugins.path.basename(file).toLowerCase().includes('france') ||
plugins.path.basename(file).toLowerCase().includes('fr')
);
if (potentialFacturxFiles.length === 0) {
tools.log('⚠ No specific Factur-X files identified, testing with ZUGFeRD v2 files');
// Use first few ZUGFeRD v2 files as they should be compatible
potentialFacturxFiles.push(...facturxFiles.slice(0, 2));
}
tools.log(`Testing Factur-X specific features with ${potentialFacturxFiles.length} files`);
let facturxProcessed = 0;
let facturxSuccessful = 0;
for (const filePath of potentialFacturxFiles) {
const fileName = plugins.path.basename(filePath);
try {
facturxProcessed++;
const invoice = new EInvoice();
const extractionResult = await invoice.fromFile(filePath);
if (extractionResult) {
facturxSuccessful++;
const xmlContent = await invoice.toXmlString();
// Look for Factur-X specific characteristics
const facturxChecks = {
hasEN16931Context: xmlContent.includes('urn:cen.eu:en16931:2017'),
hasCIINamespace: xmlContent.includes('urn:un:unece:uncefact:data:standard:CrossIndustryInvoice'),
hasFacturxGuideline: xmlContent.includes('factur-x') || xmlContent.includes('FACTUR-X'),
hasExchangedDocument: xmlContent.includes('ExchangedDocument'),
hasSupplyChainTrade: xmlContent.includes('SupplyChainTradeTransaction')
};
tools.log(`${fileName} Factur-X characteristics:`);
tools.log(` EN16931 Context: ${facturxChecks.hasEN16931Context}`);
tools.log(` CII Namespace: ${facturxChecks.hasCIINamespace}`);
tools.log(` Factur-X Guideline: ${facturxChecks.hasFacturxGuideline}`);
tools.log(` ExchangedDocument: ${facturxChecks.hasExchangedDocument}`);
tools.log(` SupplyChainTrade: ${facturxChecks.hasSupplyChainTrade}`);
// Basic Factur-X structure validation
if (facturxChecks.hasEN16931Context && facturxChecks.hasCIINamespace) {
tools.log(` ✓ Valid Factur-X/ZUGFeRD v2 structure detected`);
}
} else {
tools.log(`${fileName}: No XML content extracted`);
}
} catch (error) {
tools.log(`${fileName}: Extraction failed - ${error.message}`);
}
}
const facturxSuccessRate = facturxProcessed > 0 ? (facturxSuccessful / facturxProcessed) * 100 : 0;
tools.log(`\nFactur-X Processing Summary:`);
tools.log(`- Files processed: ${facturxProcessed}`);
tools.log(`- Successful extractions: ${facturxSuccessful} (${facturxSuccessRate.toFixed(1)}%)`);
if (facturxProcessed > 0) {
expect(facturxSuccessRate).toBeGreaterThan(0);
}
} catch (error) {
tools.log(`Factur-X specific testing failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-facturx-specific-testing', duration);
});
tap.test('PDF-03: Factur-X Extraction - Corpus Performance Analysis', { timeout: testTimeout }, async (tools) => {
const startTime = Date.now();
let totalProcessed = 0;
let totalSuccessful = 0;
let totalExtractionTime = 0;
const fileSizePerformance = [];
try {
const zugferdV2Files = await CorpusLoader.getFiles('ZUGFERD_V2');
tools.log(`Processing ${zugferdV2Files.length} ZUGFeRD v2/Factur-X files for performance analysis`);
if (zugferdV2Files.length === 0) {
tools.log('⚠ No ZUGFeRD v2/Factur-X files found in corpus');
return;
}
// Process subset for performance analysis
const filesToProcess = zugferdV2Files.slice(0, Math.min(10, zugferdV2Files.length));
for (const filePath of filesToProcess) {
const fileName = plugins.path.basename(filePath);
const fileExtractionStart = Date.now();
try {
totalProcessed++;
// Get file size for performance correlation
const fileStats = await plugins.fs.stat(filePath);
const fileSizeKB = fileStats.size / 1024;
const invoice = new EInvoice();
const extractionResult = await invoice.fromFile(filePath);
const fileExtractionTime = Date.now() - fileExtractionStart;
totalExtractionTime += fileExtractionTime;
if (extractionResult) {
totalSuccessful++;
// Record size vs performance data
fileSizePerformance.push({
fileName,
sizeKB: fileSizeKB,
extractionTimeMs: fileExtractionTime,
timePerKB: fileExtractionTime / fileSizeKB
});
tools.log(`${fileName}: ${fileSizeKB.toFixed(1)}KB → ${fileExtractionTime}ms (${(fileExtractionTime/fileSizeKB).toFixed(2)}ms/KB)`);
// Quick content verification
const xmlContent = await invoice.toXmlString();
if (xmlContent.length < 100) {
tools.log(` ⚠ Suspiciously short XML content: ${xmlContent.length} chars`);
}
} else {
tools.log(`${fileName}: Extraction failed (${fileSizeKB.toFixed(1)}KB, ${fileExtractionTime}ms)`);
}
} catch (error) {
const fileExtractionTime = Date.now() - fileExtractionStart;
totalExtractionTime += fileExtractionTime;
tools.log(`${fileName}: Error after ${fileExtractionTime}ms - ${error.message}`);
}
}
// Performance analysis
const successRate = totalProcessed > 0 ? (totalSuccessful / totalProcessed) * 100 : 0;
const averageExtractionTime = totalProcessed > 0 ? totalExtractionTime / totalProcessed : 0;
tools.log(`\nZUGFeRD v2/Factur-X Performance Analysis:`);
tools.log(`- Files processed: ${totalProcessed}`);
tools.log(`- Success rate: ${successRate.toFixed(1)}%`);
tools.log(`- Average extraction time: ${averageExtractionTime.toFixed(1)}ms`);
if (fileSizePerformance.length > 0) {
const avgTimePerKB = fileSizePerformance.reduce((sum, item) => sum + item.timePerKB, 0) / fileSizePerformance.length;
const avgFileSize = fileSizePerformance.reduce((sum, item) => sum + item.sizeKB, 0) / fileSizePerformance.length;
tools.log(`- Average file size: ${avgFileSize.toFixed(1)}KB`);
tools.log(`- Average time per KB: ${avgTimePerKB.toFixed(2)}ms/KB`);
// Find performance outliers
const sortedByTime = [...fileSizePerformance].sort((a, b) => b.extractionTimeMs - a.extractionTimeMs);
if (sortedByTime.length > 0) {
tools.log(`- Slowest file: ${sortedByTime[0].fileName} (${sortedByTime[0].extractionTimeMs}ms)`);
tools.log(`- Fastest file: ${sortedByTime[sortedByTime.length-1].fileName} (${sortedByTime[sortedByTime.length-1].extractionTimeMs}ms)`);
}
// Performance expectations
expect(avgTimePerKB).toBeLessThan(50); // 50ms per KB max
expect(averageExtractionTime).toBeLessThan(3000); // 3 seconds max average
}
// Success rate expectations
if (totalProcessed > 0) {
expect(successRate).toBeGreaterThan(0); // At least one should work
}
} catch (error) {
tools.log(`Corpus performance analysis failed: ${error.message}`);
throw error;
}
const totalDuration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-facturx-corpus-performance', totalDuration);
tools.log(`Performance analysis completed in ${totalDuration}ms`);
});
tap.test('PDF-03: Factur-X Extraction - Profile Detection', async (tools) => {
const startTime = Date.now();
try {
const zugferdV2Files = await CorpusLoader.getFiles('ZUGFERD_V2');
if (zugferdV2Files.length === 0) {
tools.log('⚠ No ZUGFeRD v2/Factur-X files found for profile detection');
return;
}
// Test profile detection with a sample of files
const sampleFiles = zugferdV2Files.slice(0, 3);
const profileStats = {
'MINIMUM': 0,
'BASIC': 0,
'COMFORT': 0,
'EXTENDED': 0,
'FACTUR-X': 0,
'UNKNOWN': 0
};
tools.log(`Testing profile detection with ${sampleFiles.length} files`);
for (const filePath of sampleFiles) {
const fileName = plugins.path.basename(filePath);
try {
const invoice = new EInvoice();
const extractionResult = await invoice.fromFile(filePath);
if (extractionResult) {
const xmlContent = await invoice.toXmlString();
// Detect ZUGFeRD/Factur-X profile from XML content
let detectedProfile = 'UNKNOWN';
if (xmlContent.includes('urn:cen.eu:en16931:2017#compliant#urn:zugferd.de:2p1:minimum')) {
detectedProfile = 'MINIMUM';
} else if (xmlContent.includes('urn:cen.eu:en16931:2017#compliant#urn:zugferd.de:2p1:basic')) {
detectedProfile = 'BASIC';
} else if (xmlContent.includes('urn:cen.eu:en16931:2017#compliant#urn:zugferd.de:2p1:comfort')) {
detectedProfile = 'COMFORT';
} else if (xmlContent.includes('urn:cen.eu:en16931:2017#compliant#urn:zugferd.de:2p1:extended')) {
detectedProfile = 'EXTENDED';
} else if (xmlContent.includes('urn:cen.eu:en16931:2017#conformant#urn:factur-x.eu:1p0:')) {
detectedProfile = 'FACTUR-X';
} else if (xmlContent.includes('urn:cen.eu:en16931:2017')) {
detectedProfile = 'EN16931'; // Generic EN16931 compliance
}
profileStats[detectedProfile] = (profileStats[detectedProfile] || 0) + 1;
tools.log(`${fileName}: Profile detected - ${detectedProfile}`);
// Additional profile-specific checks
if (detectedProfile !== 'UNKNOWN') {
const hasMinimumFields = xmlContent.includes('ExchangedDocument') &&
xmlContent.includes('SupplyChainTradeTransaction');
const hasComfortFields = xmlContent.includes('ApplicableHeaderTradeAgreement') &&
xmlContent.includes('ApplicableHeaderTradeDelivery');
const hasExtendedFields = xmlContent.includes('IncludedSupplyChainTradeLineItem');
tools.log(` Minimum fields: ${hasMinimumFields}`);
tools.log(` Comfort fields: ${hasComfortFields}`);
tools.log(` Extended fields: ${hasExtendedFields}`);
}
} else {
tools.log(`${fileName}: No content for profile detection`);
}
} catch (error) {
tools.log(`${fileName}: Profile detection failed - ${error.message}`);
}
}
tools.log(`\nProfile Detection Summary:`);
for (const [profile, count] of Object.entries(profileStats)) {
if (count > 0) {
tools.log(`- ${profile}: ${count} files`);
}
}
} catch (error) {
tools.log(`Profile detection failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-facturx-profile-detection', duration);
});
tap.test('PDF-03: Factur-X Extraction - Error Recovery', async (tools) => {
const startTime = Date.now();
// Test error recovery with problematic PDF files
const errorTestCases = [
{
name: 'Non-PDF file with PDF extension',
createFile: async () => {
const tempPath = plugins.path.join(process.cwd(), '.nogit', 'temp-fake.pdf');
await plugins.fs.ensureDir(plugins.path.dirname(tempPath));
await plugins.fs.writeFile(tempPath, 'This is not a PDF file');
return tempPath;
},
expectedError: true
},
{
name: 'Empty PDF file',
createFile: async () => {
const tempPath = plugins.path.join(process.cwd(), '.nogit', 'temp-empty.pdf');
await plugins.fs.ensureDir(plugins.path.dirname(tempPath));
await plugins.fs.writeFile(tempPath, '');
return tempPath;
},
expectedError: true
},
{
name: 'PDF header only',
createFile: async () => {
const tempPath = plugins.path.join(process.cwd(), '.nogit', 'temp-header-only.pdf');
await plugins.fs.ensureDir(plugins.path.dirname(tempPath));
await plugins.fs.writeFile(tempPath, '%PDF-1.4\n');
return tempPath;
},
expectedError: true
}
];
for (const testCase of errorTestCases) {
tools.log(`Testing error recovery: ${testCase.name}`);
let tempFilePath = null;
try {
if (testCase.createFile) {
tempFilePath = await testCase.createFile();
const invoice = new EInvoice();
const result = await invoice.fromFile(tempFilePath);
if (testCase.expectedError) {
if (result) {
tools.log(`⚠ Expected error for ${testCase.name} but extraction succeeded`);
} else {
tools.log(`${testCase.name}: Gracefully handled (no result)`);
}
} else {
tools.log(`${testCase.name}: Operation succeeded as expected`);
}
}
} catch (error) {
if (testCase.expectedError) {
tools.log(`${testCase.name}: Expected error caught - ${error.message}`);
expect(error.message).toBeTruthy();
} else {
tools.log(`${testCase.name}: Unexpected error - ${error.message}`);
throw error;
}
} finally {
// Clean up temp file
if (tempFilePath) {
try {
await plugins.fs.remove(tempFilePath);
} catch (cleanupError) {
tools.log(`Warning: Failed to clean up ${tempFilePath}`);
}
}
}
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-facturx-error-recovery', duration);
});
tap.test('PDF-03: Performance Summary', async (tools) => {
const operations = [
'pdf-facturx-basic-extraction',
'pdf-facturx-specific-testing',
'pdf-facturx-corpus-performance',
'pdf-facturx-profile-detection',
'pdf-facturx-error-recovery'
];
tools.log(`\n=== ZUGFeRD v2/Factur-X Extraction Performance Summary ===`);
for (const operation of operations) {
const summary = await PerformanceTracker.getSummary(operation);
if (summary) {
tools.log(`${operation}:`);
tools.log(` avg=${summary.average}ms, min=${summary.min}ms, max=${summary.max}ms, p95=${summary.p95}ms`);
}
}
tools.log(`\nZUGFeRD v2/Factur-X extraction testing completed.`);
});

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import { tap, expect } from '@git.zone/tstest/tapbundle';
import * as plugins from '../../../ts/plugins.ts';
import { EInvoice } from '../../../ts/classes.xinvoice.ts';
import { CorpusLoader } from '../../helpers/corpus.loader.ts';
import { PerformanceTracker } from '../../helpers/performance.tracker.ts';
const testTimeout = 300000; // 5 minutes timeout for PDF processing
// PDF-04: XML Embedding into PDF
// Tests embedding XML invoice data into existing PDF files and creating
// new PDF/A-3 compliant files with embedded XML attachments
tap.test('PDF-04: XML Embedding - Basic Embedding Test', async (tools) => {
const startTime = Date.now();
// Test basic XML embedding functionality
try {
// Create a sample XML invoice for embedding
const sampleXml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>EMBED-TEST-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<AccountingSupplierParty>
<Party>
<PartyName>
<Name>Test Supplier for Embedding</Name>
</PartyName>
</Party>
</AccountingSupplierParty>
<AccountingCustomerParty>
<Party>
<PartyName>
<Name>Test Customer for Embedding</Name>
</PartyName>
</Party>
</AccountingCustomerParty>
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">100.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
const invoice = new EInvoice();
// Parse the XML first
const parseResult = await invoice.fromXmlString(sampleXml);
expect(parseResult).toBeTruthy();
// Test embedding if the API supports it
if (typeof invoice.embedIntoPdf === 'function') {
tools.log('Testing XML embedding into PDF...');
// Create a simple base PDF for testing (mock implementation)
const outputPath = plugins.path.join(process.cwd(), '.nogit', 'test-embedded.pdf');
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
try {
const embeddingResult = await invoice.embedIntoPdf({
outputPath: outputPath,
xmlContent: sampleXml,
attachmentName: 'ZUGFeRD-invoice.xml'
});
if (embeddingResult) {
tools.log('✓ XML embedding operation completed');
// Verify output file exists
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
tools.log(`✓ Output PDF created: ${(outputStats.size / 1024).toFixed(1)}KB`);
// Clean up
await plugins.fs.remove(outputPath);
} else {
tools.log('⚠ Output PDF file not found');
}
} else {
tools.log('⚠ XML embedding returned no result');
}
} catch (embeddingError) {
tools.log(`⚠ XML embedding failed: ${embeddingError.message}`);
// This might be expected if embedding is not fully implemented
}
} else {
tools.log('⚠ XML embedding functionality not available (embedIntoPdf method not found)');
// Test alternative embedding approach if available
if (typeof invoice.toPdf === 'function') {
try {
const pdfResult = await invoice.toPdf();
if (pdfResult) {
tools.log('✓ Alternative PDF generation successful');
}
} catch (pdfError) {
tools.log(`⚠ Alternative PDF generation failed: ${pdfError.message}`);
}
} else {
tools.log('⚠ No PDF embedding/generation methods available');
}
}
} catch (error) {
tools.log(`Basic embedding test failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-embedding-basic', duration);
});
tap.test('PDF-04: XML Embedding - Embedding into Existing PDF', async (tools) => {
const startTime = Date.now();
try {
// Look for existing PDF files in corpus to use as base
const existingPdfs = await CorpusLoader.getFiles('ZUGFERD_V1');
if (existingPdfs.length === 0) {
tools.log('⚠ No existing PDF files found for embedding test');
return;
}
const basePdf = existingPdfs[0];
const basePdfName = plugins.path.basename(basePdf);
tools.log(`Testing embedding into existing PDF: ${basePdfName}`);
// Create new XML content to embed
const newXmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>EMBED-EXISTING-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<Note>This XML was embedded into an existing PDF</Note>
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">250.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
const invoice = new EInvoice();
await invoice.fromXmlString(newXmlContent);
// Test embedding into existing PDF
const outputPath = plugins.path.join(process.cwd(), '.nogit', 'test-embed-existing.pdf');
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
try {
// Check if embedding into existing PDF is supported
if (typeof invoice.embedIntoPdf === 'function') {
const embeddingOptions = {
basePdfPath: basePdf,
outputPath: outputPath,
xmlContent: newXmlContent,
attachmentName: 'embedded-invoice.xml',
preserveExisting: true
};
const embeddingResult = await invoice.embedIntoPdf(embeddingOptions);
if (embeddingResult) {
tools.log('✓ Embedding into existing PDF completed');
// Verify the result
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
const baseStats = await plugins.fs.stat(basePdf);
tools.log(`Base PDF size: ${(baseStats.size / 1024).toFixed(1)}KB`);
tools.log(`Output PDF size: ${(outputStats.size / 1024).toFixed(1)}KB`);
// Output should be larger than base (contains additional XML)
if (outputStats.size > baseStats.size) {
tools.log('✓ Output PDF is larger, suggesting successful embedding');
} else {
tools.log('⚠ Output PDF is not larger than base');
}
// Test extraction from embedded PDF
try {
const extractionInvoice = new EInvoice();
const extractionResult = await extractionInvoice.fromFile(outputPath);
if (extractionResult) {
const extractedXml = await extractionInvoice.toXmlString();
if (extractedXml.includes('EMBED-EXISTING-001')) {
tools.log('✓ Successfully extracted embedded XML');
} else {
tools.log('⚠ Extracted XML does not contain expected content');
}
} else {
tools.log('⚠ Could not extract XML from embedded PDF');
}
} catch (extractionError) {
tools.log(`⚠ Extraction test failed: ${extractionError.message}`);
}
// Clean up
await plugins.fs.remove(outputPath);
} else {
tools.log('⚠ Output PDF file not created');
}
} else {
tools.log('⚠ Embedding into existing PDF returned no result');
}
} else {
tools.log('⚠ Embedding into existing PDF not supported');
}
} catch (embeddingError) {
tools.log(`⚠ Embedding into existing PDF failed: ${embeddingError.message}`);
}
} catch (error) {
tools.log(`Embedding into existing PDF test failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-embedding-existing', duration);
});
tap.test('PDF-04: XML Embedding - Multiple Format Embedding', async (tools) => {
const startTime = Date.now();
// Test embedding different XML formats (UBL, CII, etc.)
const xmlFormats = [
{
name: 'UBL Invoice',
xml: `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>UBL-EMBED-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">100.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`,
attachmentName: 'ubl-invoice.xml'
},
{
name: 'CII Invoice',
xml: `<?xml version="1.0" encoding="UTF-8"?>
<CrossIndustryInvoice xmlns="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100">
<ExchangedDocumentContext>
<GuidelineSpecifiedDocumentContextParameter>
<ID>urn:cen.eu:en16931:2017</ID>
</GuidelineSpecifiedDocumentContextParameter>
</ExchangedDocumentContext>
<ExchangedDocument>
<ID>CII-EMBED-001</ID>
<TypeCode>380</TypeCode>
<IssueDateTime>
<DateTimeString format="102">20240101</DateTimeString>
</IssueDateTime>
</ExchangedDocument>
<SupplyChainTradeTransaction>
<ApplicableHeaderTradeSettlement>
<InvoiceCurrencyCode>EUR</InvoiceCurrencyCode>
<SpecifiedTradeSettlementHeaderMonetarySummation>
<DuePayableAmount>100.00</DuePayableAmount>
</SpecifiedTradeSettlementHeaderMonetarySummation>
</ApplicableHeaderTradeSettlement>
</SupplyChainTradeTransaction>
</CrossIndustryInvoice>`,
attachmentName: 'cii-invoice.xml'
}
];
for (const format of xmlFormats) {
tools.log(`Testing ${format.name} embedding...`);
try {
const invoice = new EInvoice();
const parseResult = await invoice.fromXmlString(format.xml);
if (parseResult) {
// Test embedding if available
if (typeof invoice.embedIntoPdf === 'function') {
const outputPath = plugins.path.join(process.cwd(), '.nogit', `test-${format.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
try {
const embeddingResult = await invoice.embedIntoPdf({
outputPath: outputPath,
xmlContent: format.xml,
attachmentName: format.attachmentName
});
if (embeddingResult) {
tools.log(`${format.name} embedding completed`);
// Verify file creation
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
tools.log(` Output size: ${(outputStats.size / 1024).toFixed(1)}KB`);
// Clean up
await plugins.fs.remove(outputPath);
}
} else {
tools.log(`${format.name} embedding returned no result`);
}
} catch (embeddingError) {
tools.log(`${format.name} embedding failed: ${embeddingError.message}`);
}
} else {
tools.log(`${format.name} embedding not supported (no embedIntoPdf method)`);
}
} else {
tools.log(`${format.name} XML parsing failed`);
}
} catch (error) {
tools.log(`${format.name} embedding test failed: ${error.message}`);
}
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-embedding-multiple-formats', duration);
});
tap.test('PDF-04: XML Embedding - Metadata and Compliance', async (tools) => {
const startTime = Date.now();
// Test PDF/A-3 compliance and metadata handling
const testXml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>METADATA-TEST-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">100.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
try {
const invoice = new EInvoice();
await invoice.fromXmlString(testXml);
// Test embedding with various metadata options
const metadataOptions = [
{
name: 'PDF/A-3 Compliance',
options: {
pdfACompliance: 'PDF/A-3',
title: 'Electronic Invoice METADATA-TEST-001',
author: 'EInvoice Test Suite',
subject: 'Invoice with embedded XML',
keywords: 'invoice, electronic, PDF/A-3, ZUGFeRD'
}
},
{
name: 'ZUGFeRD Metadata',
options: {
zugferdProfile: 'BASIC',
zugferdVersion: '2.1',
conformanceLevel: 'PDFA_3B'
}
},
{
name: 'Custom Metadata',
options: {
customMetadata: {
invoiceNumber: 'METADATA-TEST-001',
issueDate: '2024-01-01',
supplier: 'Test Supplier',
customer: 'Test Customer'
}
}
}
];
for (const metadataTest of metadataOptions) {
tools.log(`Testing ${metadataTest.name}...`);
try {
if (typeof invoice.embedIntoPdf === 'function') {
const outputPath = plugins.path.join(process.cwd(), '.nogit', `test-${metadataTest.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
const embeddingOptions = {
outputPath: outputPath,
xmlContent: testXml,
attachmentName: 'invoice.xml',
...metadataTest.options
};
const embeddingResult = await invoice.embedIntoPdf(embeddingOptions);
if (embeddingResult) {
tools.log(`${metadataTest.name} embedding completed`);
// Verify file and basic properties
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
tools.log(` Output size: ${(outputStats.size / 1024).toFixed(1)}KB`);
// TODO: Add PDF metadata validation if PDF parsing library is available
// For now, just verify file creation
// Clean up
await plugins.fs.remove(outputPath);
}
} else {
tools.log(`${metadataTest.name} embedding returned no result`);
}
} else {
tools.log(`${metadataTest.name} embedding not supported`);
}
} catch (metadataError) {
tools.log(`${metadataTest.name} embedding failed: ${metadataError.message}`);
}
}
} catch (error) {
tools.log(`Metadata and compliance test failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-embedding-metadata', duration);
});
tap.test('PDF-04: XML Embedding - Performance and Size Analysis', async (tools) => {
const startTime = Date.now();
// Test embedding performance with different XML sizes
const sizeTests = [
{
name: 'Small XML (1KB)',
xmlGenerator: () => `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>SMALL-XML-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">100.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`
},
{
name: 'Medium XML (10KB)',
xmlGenerator: () => {
let xml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>MEDIUM-XML-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>`;
// Add multiple invoice lines to increase size
for (let i = 1; i <= 50; i++) {
xml += `
<InvoiceLine>
<ID>${i}</ID>
<InvoicedQuantity unitCode="C62">1</InvoicedQuantity>
<LineExtensionAmount currencyID="EUR">10.00</LineExtensionAmount>
<Item>
<Name>Test Item ${i} with description that makes this line longer</Name>
<Description>Detailed description of test item ${i} for size testing purposes</Description>
</Item>
<Price>
<PriceAmount currencyID="EUR">10.00</PriceAmount>
</Price>
</InvoiceLine>`;
}
xml += `
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">500.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
return xml;
}
},
{
name: 'Large XML (50KB)',
xmlGenerator: () => {
let xml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>LARGE-XML-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>`;
// Add many invoice lines to increase size significantly
for (let i = 1; i <= 200; i++) {
xml += `
<InvoiceLine>
<ID>${i}</ID>
<InvoicedQuantity unitCode="C62">1</InvoicedQuantity>
<LineExtensionAmount currencyID="EUR">25.00</LineExtensionAmount>
<Item>
<Name>Test Item ${i} with very long description that includes many details about the product or service being invoiced</Name>
<Description>This is a very detailed description of test item ${i} for size testing purposes. It includes information about specifications, features, benefits, and other relevant details that would typically be found in a real invoice line item description.</Description>
<AdditionalItemProperty>
<Name>Property${i}</Name>
<Value>Value for property ${i} with additional text to increase size</Value>
</AdditionalItemProperty>
</Item>
<Price>
<PriceAmount currencyID="EUR">25.00</PriceAmount>
</Price>
</InvoiceLine>`;
}
xml += `
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">5000.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
return xml;
}
}
];
const performanceResults = [];
for (const sizeTest of sizeTests) {
tools.log(`Testing embedding performance: ${sizeTest.name}`);
try {
const xml = sizeTest.xmlGenerator();
const xmlSizeKB = Buffer.byteLength(xml, 'utf8') / 1024;
tools.log(` XML size: ${xmlSizeKB.toFixed(1)}KB`);
const invoice = new EInvoice();
await invoice.fromXmlString(xml);
const embeddingStartTime = Date.now();
if (typeof invoice.embedIntoPdf === 'function') {
const outputPath = plugins.path.join(process.cwd(), '.nogit', `test-${sizeTest.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
try {
const embeddingResult = await invoice.embedIntoPdf({
outputPath: outputPath,
xmlContent: xml,
attachmentName: 'invoice.xml'
});
const embeddingTime = Date.now() - embeddingStartTime;
if (embeddingResult) {
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
const outputSizeKB = outputStats.size / 1024;
const result = {
name: sizeTest.name,
xmlSizeKB: xmlSizeKB,
outputSizeKB: outputSizeKB,
embeddingTimeMs: embeddingTime,
timePerKB: embeddingTime / xmlSizeKB
};
performanceResults.push(result);
tools.log(` Embedding time: ${embeddingTime}ms`);
tools.log(` Output PDF size: ${outputSizeKB.toFixed(1)}KB`);
tools.log(` Time per KB: ${(embeddingTime / xmlSizeKB).toFixed(2)}ms/KB`);
// Clean up
await plugins.fs.remove(outputPath);
}
} else {
tools.log(` ⚠ Embedding returned no result`);
}
} catch (embeddingError) {
tools.log(` ⚠ Embedding failed: ${embeddingError.message}`);
}
} else {
tools.log(` ⚠ Embedding not supported`);
}
} catch (error) {
tools.log(`${sizeTest.name} failed: ${error.message}`);
}
}
// Analyze performance results
if (performanceResults.length > 0) {
tools.log(`\nEmbedding Performance Analysis:`);
const avgTimePerKB = performanceResults.reduce((sum, r) => sum + r.timePerKB, 0) / performanceResults.length;
const maxTime = Math.max(...performanceResults.map(r => r.embeddingTimeMs));
const minTime = Math.min(...performanceResults.map(r => r.embeddingTimeMs));
tools.log(`- Average time per KB: ${avgTimePerKB.toFixed(2)}ms/KB`);
tools.log(`- Fastest embedding: ${minTime}ms`);
tools.log(`- Slowest embedding: ${maxTime}ms`);
// Performance expectations
expect(avgTimePerKB).toBeLessThan(100); // 100ms per KB max
expect(maxTime).toBeLessThan(10000); // 10 seconds max for any size
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-embedding-performance', duration);
});
tap.test('PDF-04: Performance Summary', async (tools) => {
const operations = [
'pdf-embedding-basic',
'pdf-embedding-existing',
'pdf-embedding-multiple-formats',
'pdf-embedding-metadata',
'pdf-embedding-performance'
];
tools.log(`\n=== XML Embedding Performance Summary ===`);
for (const operation of operations) {
const summary = await PerformanceTracker.getSummary(operation);
if (summary) {
tools.log(`${operation}:`);
tools.log(` avg=${summary.average}ms, min=${summary.min}ms, max=${summary.max}ms, p95=${summary.p95}ms`);
}
}
tools.log(`\nXML embedding testing completed.`);
});

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import { tap, expect } from '@git.zone/tstest/tapbundle';
import * as plugins from '../../../ts/plugins.ts';
import { EInvoice } from '../../../ts/classes.xinvoice.ts';
import { CorpusLoader } from '../../helpers/corpus.loader.ts';
import { PerformanceTracker } from '../../helpers/performance.tracker.ts';
const testTimeout = 300000; // 5 minutes timeout for PDF processing
// PDF-05: PDF/A-3 Creation
// Tests creation of PDF/A-3 compliant documents with embedded XML attachments
// according to ISO 19005-3 standard and ZUGFeRD/Factur-X requirements
tap.test('PDF-05: PDF/A-3 Creation - Basic PDF/A-3 Generation', async (tools) => {
const startTime = Date.now();
// Test basic PDF/A-3 creation functionality
try {
const sampleXml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>PDFA3-TEST-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<AccountingSupplierParty>
<Party>
<PartyName>
<Name>PDF/A-3 Test Supplier</Name>
</PartyName>
<PostalAddress>
<StreetName>Test Street 123</StreetName>
<CityName>Test City</CityName>
<PostalZone>12345</PostalZone>
<Country>
<IdentificationCode>DE</IdentificationCode>
</Country>
</PostalAddress>
</Party>
</AccountingSupplierParty>
<AccountingCustomerParty>
<Party>
<PartyName>
<Name>PDF/A-3 Test Customer</Name>
</PartyName>
</Party>
</AccountingCustomerParty>
<InvoiceLine>
<ID>1</ID>
<InvoicedQuantity unitCode="C62">1</InvoicedQuantity>
<LineExtensionAmount currencyID="EUR">100.00</LineExtensionAmount>
<Item>
<Name>PDF/A-3 Test Item</Name>
</Item>
<Price>
<PriceAmount currencyID="EUR">100.00</PriceAmount>
</Price>
</InvoiceLine>
<TaxTotal>
<TaxAmount currencyID="EUR">19.00</TaxAmount>
</TaxTotal>
<LegalMonetaryTotal>
<LineExtensionAmount currencyID="EUR">100.00</LineExtensionAmount>
<TaxExclusiveAmount currencyID="EUR">100.00</TaxExclusiveAmount>
<TaxInclusiveAmount currencyID="EUR">119.00</TaxInclusiveAmount>
<PayableAmount currencyID="EUR">119.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
const invoice = new EInvoice();
const parseResult = await invoice.fromXmlString(sampleXml);
expect(parseResult).toBeTruthy();
// Test PDF/A-3 creation if supported
if (typeof invoice.createPdfA3 === 'function') {
tools.log('Testing PDF/A-3 creation...');
const outputPath = plugins.path.join(process.cwd(), '.nogit', 'test-pdfa3-basic.pdf');
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
try {
const pdfA3Options = {
outputPath: outputPath,
xmlContent: sampleXml,
attachmentName: 'ZUGFeRD-invoice.xml',
pdfA3Compliance: true,
title: 'Electronic Invoice PDFA3-TEST-001',
author: 'EInvoice Test Suite',
subject: 'PDF/A-3 compliant invoice',
keywords: 'invoice, electronic, PDF/A-3, ZUGFeRD'
};
const creationResult = await invoice.createPdfA3(pdfA3Options);
if (creationResult) {
tools.log('✓ PDF/A-3 creation completed');
// Verify output file
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
tools.log(`✓ PDF/A-3 file created: ${(outputStats.size / 1024).toFixed(1)}KB`);
// Basic PDF validation (check if it starts with PDF header)
const pdfHeader = await plugins.fs.readFile(outputPath, { encoding: 'binary' });
if (pdfHeader.startsWith('%PDF-')) {
tools.log('✓ Valid PDF header detected');
// Check for PDF/A-3 markers if possible
const pdfContent = pdfHeader.substring(0, 1024);
if (pdfContent.includes('PDF/A-3') || pdfContent.includes('PDFA-3')) {
tools.log('✓ PDF/A-3 markers detected');
}
} else {
tools.log('⚠ Invalid PDF header');
}
// Test XML extraction from created PDF/A-3
try {
const extractionInvoice = new EInvoice();
const extractionResult = await extractionInvoice.fromFile(outputPath);
if (extractionResult) {
const extractedXml = await extractionInvoice.toXmlString();
if (extractedXml.includes('PDFA3-TEST-001')) {
tools.log('✓ XML successfully extracted from PDF/A-3');
} else {
tools.log('⚠ Extracted XML does not contain expected content');
}
} else {
tools.log('⚠ Could not extract XML from created PDF/A-3');
}
} catch (extractionError) {
tools.log(`⚠ XML extraction test failed: ${extractionError.message}`);
}
// Clean up
await plugins.fs.remove(outputPath);
} else {
tools.log('⚠ PDF/A-3 file not created');
}
} else {
tools.log('⚠ PDF/A-3 creation returned no result');
}
} catch (creationError) {
tools.log(`⚠ PDF/A-3 creation failed: ${creationError.message}`);
}
} else if (typeof invoice.toPdf === 'function') {
tools.log('⚠ Specific PDF/A-3 creation not available, testing general PDF creation...');
try {
const pdfResult = await invoice.toPdf({
pdfACompliance: 'PDF/A-3'
});
if (pdfResult) {
tools.log('✓ General PDF creation with PDF/A-3 compliance completed');
}
} catch (pdfError) {
tools.log(`⚠ General PDF creation failed: ${pdfError.message}`);
}
} else {
tools.log('⚠ PDF/A-3 creation functionality not available');
}
} catch (error) {
tools.log(`Basic PDF/A-3 creation test failed: ${error.message}`);
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdfa3-creation-basic', duration);
});
tap.test('PDF-05: PDF/A-3 Creation - Compliance Levels', async (tools) => {
const startTime = Date.now();
// Test different PDF/A-3 compliance levels (A, B, U)
const complianceLevels = [
{
level: 'PDF/A-3B',
description: 'PDF/A-3 Level B (visual appearance)',
strictness: 'medium'
},
{
level: 'PDF/A-3A',
description: 'PDF/A-3 Level A (accessibility)',
strictness: 'high'
},
{
level: 'PDF/A-3U',
description: 'PDF/A-3 Level U (Unicode)',
strictness: 'medium'
}
];
const testXml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>COMPLIANCE-TEST-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">100.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
for (const compliance of complianceLevels) {
tools.log(`Testing ${compliance.description}...`);
try {
const invoice = new EInvoice();
await invoice.fromXmlString(testXml);
if (typeof invoice.createPdfA3 === 'function') {
const outputPath = plugins.path.join(process.cwd(), '.nogit', `test-${compliance.level.toLowerCase().replace(/\//g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
const complianceOptions = {
outputPath: outputPath,
xmlContent: testXml,
attachmentName: 'invoice.xml',
complianceLevel: compliance.level,
title: `${compliance.level} Test Invoice`,
validateCompliance: true
};
try {
const creationResult = await invoice.createPdfA3(complianceOptions);
if (creationResult) {
tools.log(`${compliance.level} creation completed`);
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
tools.log(` File size: ${(outputStats.size / 1024).toFixed(1)}KB`);
// Basic compliance validation
const pdfContent = await plugins.fs.readFile(outputPath, { encoding: 'binary' });
const headerSection = pdfContent.substring(0, 2048);
// Look for PDF/A compliance indicators
if (headerSection.includes('PDF/A-3') ||
headerSection.includes('PDFA-3') ||
headerSection.includes(compliance.level)) {
tools.log(`${compliance.level} compliance indicators found`);
} else {
tools.log(`${compliance.level} compliance indicators not clearly detected`);
}
// Clean up
await plugins.fs.remove(outputPath);
} else {
tools.log(`${compliance.level} file not created`);
}
} else {
tools.log(`${compliance.level} creation returned no result`);
}
} catch (complianceError) {
tools.log(`${compliance.level} creation failed: ${complianceError.message}`);
}
} else {
tools.log(`${compliance.level} creation not supported`);
}
} catch (error) {
tools.log(`${compliance.level} test failed: ${error.message}`);
}
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdfa3-creation-compliance-levels', duration);
});
tap.test('PDF-05: PDF/A-3 Creation - ZUGFeRD Profile Creation', async (tools) => {
const startTime = Date.now();
// Test PDF/A-3 creation with specific ZUGFeRD/Factur-X profiles
const zugferdProfiles = [
{
profile: 'MINIMUM',
xml: `<?xml version="1.0" encoding="UTF-8"?>
<CrossIndustryInvoice xmlns="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100">
<ExchangedDocumentContext>
<GuidelineSpecifiedDocumentContextParameter>
<ID>urn:cen.eu:en16931:2017#compliant#urn:zugferd.de:2p1:minimum</ID>
</GuidelineSpecifiedDocumentContextParameter>
</ExchangedDocumentContext>
<ExchangedDocument>
<ID>ZUGFERD-MIN-001</ID>
<TypeCode>380</TypeCode>
<IssueDateTime>
<DateTimeString format="102">20240101</DateTimeString>
</IssueDateTime>
</ExchangedDocument>
<SupplyChainTradeTransaction>
<ApplicableHeaderTradeSettlement>
<InvoiceCurrencyCode>EUR</InvoiceCurrencyCode>
<SpecifiedTradeSettlementHeaderMonetarySummation>
<DuePayableAmount>100.00</DuePayableAmount>
</SpecifiedTradeSettlementHeaderMonetarySummation>
</ApplicableHeaderTradeSettlement>
</SupplyChainTradeTransaction>
</CrossIndustryInvoice>`
},
{
profile: 'BASIC',
xml: `<?xml version="1.0" encoding="UTF-8"?>
<CrossIndustryInvoice xmlns="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100">
<ExchangedDocumentContext>
<GuidelineSpecifiedDocumentContextParameter>
<ID>urn:cen.eu:en16931:2017#compliant#urn:zugferd.de:2p1:basic</ID>
</GuidelineSpecifiedDocumentContextParameter>
</ExchangedDocumentContext>
<ExchangedDocument>
<ID>ZUGFERD-BASIC-001</ID>
<TypeCode>380</TypeCode>
<IssueDateTime>
<DateTimeString format="102">20240101</DateTimeString>
</IssueDateTime>
</ExchangedDocument>
<SupplyChainTradeTransaction>
<ApplicableHeaderTradeAgreement>
<SellerTradeParty>
<Name>ZUGFeRD Test Supplier</Name>
</SellerTradeParty>
<BuyerTradeParty>
<Name>ZUGFeRD Test Customer</Name>
</BuyerTradeParty>
</ApplicableHeaderTradeAgreement>
<ApplicableHeaderTradeSettlement>
<InvoiceCurrencyCode>EUR</InvoiceCurrencyCode>
<SpecifiedTradeSettlementHeaderMonetarySummation>
<TaxBasisTotalAmount>100.00</TaxBasisTotalAmount>
<TaxTotalAmount currencyID="EUR">19.00</TaxTotalAmount>
<GrandTotalAmount>119.00</GrandTotalAmount>
<DuePayableAmount>119.00</DuePayableAmount>
</SpecifiedTradeSettlementHeaderMonetarySummation>
</ApplicableHeaderTradeSettlement>
</SupplyChainTradeTransaction>
</CrossIndustryInvoice>`
},
{
profile: 'COMFORT',
xml: `<?xml version="1.0" encoding="UTF-8"?>
<CrossIndustryInvoice xmlns="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100">
<ExchangedDocumentContext>
<GuidelineSpecifiedDocumentContextParameter>
<ID>urn:cen.eu:en16931:2017#compliant#urn:zugferd.de:2p1:comfort</ID>
</GuidelineSpecifiedDocumentContextParameter>
</ExchangedDocumentContext>
<ExchangedDocument>
<ID>ZUGFERD-COMFORT-001</ID>
<TypeCode>380</TypeCode>
<IssueDateTime>
<DateTimeString format="102">20240101</DateTimeString>
</IssueDateTime>
</ExchangedDocument>
<SupplyChainTradeTransaction>
<IncludedSupplyChainTradeLineItem>
<AssociatedDocumentLineDocument>
<LineID>1</LineID>
</AssociatedDocumentLineDocument>
<SpecifiedTradeProduct>
<Name>ZUGFeRD Test Product</Name>
</SpecifiedTradeProduct>
<SpecifiedLineTradeAgreement>
<NetPriceProductTradePrice>
<ChargeAmount>100.00</ChargeAmount>
</NetPriceProductTradePrice>
</SpecifiedLineTradeAgreement>
<SpecifiedLineTradeSettlement>
<SpecifiedTradeSettlementLineMonetarySummation>
<LineTotalAmount>100.00</LineTotalAmount>
</SpecifiedTradeSettlementLineMonetarySummation>
</SpecifiedLineTradeSettlement>
</IncludedSupplyChainTradeLineItem>
<ApplicableHeaderTradeSettlement>
<InvoiceCurrencyCode>EUR</InvoiceCurrencyCode>
<SpecifiedTradeSettlementHeaderMonetarySummation>
<LineTotalAmount>100.00</LineTotalAmount>
<TaxBasisTotalAmount>100.00</TaxBasisTotalAmount>
<TaxTotalAmount currencyID="EUR">19.00</TaxTotalAmount>
<GrandTotalAmount>119.00</GrandTotalAmount>
<DuePayableAmount>119.00</DuePayableAmount>
</SpecifiedTradeSettlementHeaderMonetarySummation>
</ApplicableHeaderTradeSettlement>
</SupplyChainTradeTransaction>
</CrossIndustryInvoice>`
}
];
for (const zugferdTest of zugferdProfiles) {
tools.log(`Testing ZUGFeRD ${zugferdTest.profile} profile PDF/A-3 creation...`);
try {
const invoice = new EInvoice();
await invoice.fromXmlString(zugferdTest.xml);
if (typeof invoice.createPdfA3 === 'function') {
const outputPath = plugins.path.join(process.cwd(), '.nogit', `test-zugferd-${zugferdTest.profile.toLowerCase()}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
const zugferdOptions = {
outputPath: outputPath,
xmlContent: zugferdTest.xml,
attachmentName: 'ZUGFeRD-invoice.xml',
zugferdProfile: zugferdTest.profile,
zugferdVersion: '2.1',
complianceLevel: 'PDF/A-3B',
title: `ZUGFeRD ${zugferdTest.profile} Invoice`,
conformanceLevel: 'PDFA_3B'
};
try {
const creationResult = await invoice.createPdfA3(zugferdOptions);
if (creationResult) {
tools.log(`✓ ZUGFeRD ${zugferdTest.profile} PDF/A-3 creation completed`);
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
tools.log(` File size: ${(outputStats.size / 1024).toFixed(1)}KB`);
// Test round-trip (extraction from created PDF)
try {
const extractionInvoice = new EInvoice();
const extractionResult = await extractionInvoice.fromFile(outputPath);
if (extractionResult) {
const extractedXml = await extractionInvoice.toXmlString();
const expectedId = `ZUGFERD-${zugferdTest.profile}-001`;
if (extractedXml.includes(expectedId)) {
tools.log(` ✓ Round-trip successful - extracted XML contains ${expectedId}`);
} else {
tools.log(` ⚠ Round-trip issue - expected ID ${expectedId} not found`);
}
// Check for profile-specific elements
if (zugferdTest.profile === 'COMFORT' && extractedXml.includes('IncludedSupplyChainTradeLineItem')) {
tools.log(` ✓ COMFORT profile line items preserved`);
}
} else {
tools.log(` ⚠ Round-trip failed - could not extract XML`);
}
} catch (extractionError) {
tools.log(` ⚠ Round-trip test failed: ${extractionError.message}`);
}
// Clean up
await plugins.fs.remove(outputPath);
} else {
tools.log(` ⚠ ZUGFeRD ${zugferdTest.profile} file not created`);
}
} else {
tools.log(`⚠ ZUGFeRD ${zugferdTest.profile} creation returned no result`);
}
} catch (creationError) {
tools.log(`⚠ ZUGFeRD ${zugferdTest.profile} creation failed: ${creationError.message}`);
}
} else {
tools.log(`⚠ ZUGFeRD ${zugferdTest.profile} PDF/A-3 creation not supported`);
}
} catch (error) {
tools.log(`✗ ZUGFeRD ${zugferdTest.profile} test failed: ${error.message}`);
}
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdfa3-creation-zugferd-profiles', duration);
});
tap.test('PDF-05: PDF/A-3 Creation - Metadata and Accessibility', async (tools) => {
const startTime = Date.now();
// Test PDF/A-3 creation with comprehensive metadata and accessibility features
const testXml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>METADATA-ACCESSIBILITY-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">100.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
const metadataTests = [
{
name: 'Comprehensive Metadata',
options: {
title: 'Electronic Invoice METADATA-ACCESSIBILITY-001',
author: 'EInvoice Test Suite',
subject: 'PDF/A-3 compliant invoice with comprehensive metadata',
keywords: 'invoice, electronic, PDF/A-3, ZUGFeRD, accessible',
creator: 'EInvoice PDF Generator',
producer: 'EInvoice Test Framework',
creationDate: new Date('2024-01-01'),
modificationDate: new Date(),
language: 'en-US'
}
},
{
name: 'Accessibility Features',
options: {
title: 'Accessible Electronic Invoice',
tagged: true, // Structured PDF for screen readers
displayDocTitle: true,
linearized: true, // Fast web view
complianceLevel: 'PDF/A-3A', // Accessibility compliance
structuredPdf: true
}
},
{
name: 'Internationalization',
options: {
title: 'Elektronische Rechnung / Facture Électronique',
language: 'de-DE',
keywords: 'Rechnung, elektronisch, PDF/A-3, ZUGFeRD, Factur-X',
unicodeSupport: true,
characterEncoding: 'UTF-8'
}
}
];
for (const metadataTest of metadataTests) {
tools.log(`Testing ${metadataTest.name}...`);
try {
const invoice = new EInvoice();
await invoice.fromXmlString(testXml);
if (typeof invoice.createPdfA3 === 'function') {
const outputPath = plugins.path.join(process.cwd(), '.nogit', `test-${metadataTest.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
const creationOptions = {
outputPath: outputPath,
xmlContent: testXml,
attachmentName: 'invoice.xml',
complianceLevel: 'PDF/A-3B',
...metadataTest.options
};
try {
const creationResult = await invoice.createPdfA3(creationOptions);
if (creationResult) {
tools.log(`${metadataTest.name} PDF/A-3 creation completed`);
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
tools.log(` File size: ${(outputStats.size / 1024).toFixed(1)}KB`);
// Basic metadata validation by reading PDF content
const pdfContent = await plugins.fs.readFile(outputPath, { encoding: 'binary' });
// Check for metadata presence (simplified check)
if (metadataTest.options.title && pdfContent.includes(metadataTest.options.title)) {
tools.log(` ✓ Title metadata preserved`);
}
if (metadataTest.options.author && pdfContent.includes(metadataTest.options.author)) {
tools.log(` ✓ Author metadata preserved`);
}
if (metadataTest.options.keywords && metadataTest.options.keywords.split(',').some(keyword =>
pdfContent.includes(keyword.trim()))) {
tools.log(` ✓ Keywords metadata preserved`);
}
// Check for accessibility features
if (metadataTest.options.tagged && (pdfContent.includes('/StructTreeRoot') || pdfContent.includes('/Marked'))) {
tools.log(` ✓ PDF structure/tagging detected`);
}
// Check for compliance level
if (metadataTest.options.complianceLevel && pdfContent.includes(metadataTest.options.complianceLevel)) {
tools.log(` ✓ Compliance level preserved`);
}
// Clean up
await plugins.fs.remove(outputPath);
} else {
tools.log(`${metadataTest.name} file not created`);
}
} else {
tools.log(`${metadataTest.name} creation returned no result`);
}
} catch (creationError) {
tools.log(`${metadataTest.name} creation failed: ${creationError.message}`);
}
} else {
tools.log(`${metadataTest.name} PDF/A-3 creation not supported`);
}
} catch (error) {
tools.log(`${metadataTest.name} test failed: ${error.message}`);
}
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdfa3-creation-metadata-accessibility', duration);
});
tap.test('PDF-05: PDF/A-3 Creation - Performance and Size Optimization', async (tools) => {
const startTime = Date.now();
// Test PDF/A-3 creation performance with different optimization settings
const optimizationTests = [
{
name: 'Standard Quality',
options: {
imageQuality: 'standard',
compression: 'standard',
optimizeFor: 'balanced'
}
},
{
name: 'High Quality',
options: {
imageQuality: 'high',
compression: 'minimal',
optimizeFor: 'quality'
}
},
{
name: 'Small Size',
options: {
imageQuality: 'medium',
compression: 'maximum',
optimizeFor: 'size'
}
},
{
name: 'Fast Generation',
options: {
imageQuality: 'medium',
compression: 'fast',
optimizeFor: 'speed'
}
}
];
const testXml = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>PERFORMANCE-TEST-001</ID>
<IssueDate>2024-01-01</IssueDate>
<InvoiceTypeCode>380</InvoiceTypeCode>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<LegalMonetaryTotal>
<PayableAmount currencyID="EUR">100.00</PayableAmount>
</LegalMonetaryTotal>
</Invoice>`;
const performanceResults = [];
for (const optimizationTest of optimizationTests) {
tools.log(`Testing ${optimizationTest.name} optimization...`);
try {
const invoice = new EInvoice();
await invoice.fromXmlString(testXml);
if (typeof invoice.createPdfA3 === 'function') {
const outputPath = plugins.path.join(process.cwd(), '.nogit', `test-${optimizationTest.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(outputPath));
const creationStartTime = Date.now();
const creationOptions = {
outputPath: outputPath,
xmlContent: testXml,
attachmentName: 'invoice.xml',
complianceLevel: 'PDF/A-3B',
title: `Performance Test - ${optimizationTest.name}`,
...optimizationTest.options
};
try {
const creationResult = await invoice.createPdfA3(creationOptions);
const creationTime = Date.now() - creationStartTime;
if (creationResult) {
const outputExists = await plugins.fs.pathExists(outputPath);
if (outputExists) {
const outputStats = await plugins.fs.stat(outputPath);
const fileSizeKB = outputStats.size / 1024;
const result = {
name: optimizationTest.name,
creationTimeMs: creationTime,
fileSizeKB: fileSizeKB,
...optimizationTest.options
};
performanceResults.push(result);
tools.log(` Creation time: ${creationTime}ms`);
tools.log(` File size: ${fileSizeKB.toFixed(1)}KB`);
tools.log(` Performance ratio: ${(creationTime / fileSizeKB).toFixed(2)}ms/KB`);
// Clean up
await plugins.fs.remove(outputPath);
} else {
tools.log(`${optimizationTest.name} file not created`);
}
} else {
tools.log(`${optimizationTest.name} creation returned no result`);
}
} catch (creationError) {
tools.log(`${optimizationTest.name} creation failed: ${creationError.message}`);
}
} else {
tools.log(`${optimizationTest.name} PDF/A-3 creation not supported`);
}
} catch (error) {
tools.log(`${optimizationTest.name} test failed: ${error.message}`);
}
}
// Analyze performance results
if (performanceResults.length > 0) {
tools.log(`\nPDF/A-3 Performance Analysis:`);
const fastestCreation = performanceResults.reduce((min, r) => r.creationTimeMs < min.creationTimeMs ? r : min);
const smallestFile = performanceResults.reduce((min, r) => r.fileSizeKB < min.fileSizeKB ? r : min);
const avgCreationTime = performanceResults.reduce((sum, r) => sum + r.creationTimeMs, 0) / performanceResults.length;
const avgFileSize = performanceResults.reduce((sum, r) => sum + r.fileSizeKB, 0) / performanceResults.length;
tools.log(`- Fastest creation: ${fastestCreation.name} (${fastestCreation.creationTimeMs}ms)`);
tools.log(`- Smallest file: ${smallestFile.name} (${smallestFile.fileSizeKB.toFixed(1)}KB)`);
tools.log(`- Average creation time: ${avgCreationTime.toFixed(1)}ms`);
tools.log(`- Average file size: ${avgFileSize.toFixed(1)}KB`);
// Performance expectations
expect(avgCreationTime).toBeLessThan(5000); // 5 seconds max average
expect(avgFileSize).toBeLessThan(500); // 500KB max average
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdfa3-creation-performance-optimization', duration);
});
tap.test('PDF-05: Performance Summary', async (tools) => {
const operations = [
'pdfa3-creation-basic',
'pdfa3-creation-compliance-levels',
'pdfa3-creation-zugferd-profiles',
'pdfa3-creation-metadata-accessibility',
'pdfa3-creation-performance-optimization'
];
tools.log(`\n=== PDF/A-3 Creation Performance Summary ===`);
for (const operation of operations) {
const summary = await PerformanceTracker.getSummary(operation);
if (summary) {
tools.log(`${operation}:`);
tools.log(` avg=${summary.average}ms, min=${summary.min}ms, max=${summary.max}ms, p95=${summary.p95}ms`);
}
}
tools.log(`\nPDF/A-3 creation testing completed.`);
});

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import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as plugins from '../plugins.js';
import { EInvoice } from '../../../ts/index.js';
import { CorpusLoader } from '../corpus.loader.js';
import { PerformanceTracker } from '../performance.tracker.js';
tap.test('PDF-06: Multiple Attachments - should handle PDFs with multiple embedded files', async (t) => {
// PDF-06: Verify handling of PDFs containing multiple attachments
// This test ensures proper extraction and management of multiple embedded files
const performanceTracker = new PerformanceTracker('PDF-06: Multiple Attachments');
const corpusLoader = new CorpusLoader();
t.test('Detect multiple attachments in PDF', async () => {
const startTime = performance.now();
// Create a test PDF with multiple attachments
const { PDFDocument, PDFName, AFRelationship } = plugins;
const pdfDoc = await PDFDocument.create();
// Add first page
const page = pdfDoc.addPage([595, 842]); // A4
page.drawText('Invoice with Multiple Attachments', {
x: 50,
y: 750,
size: 20
});
// Add multiple XML attachments
const attachments = [
{
name: 'invoice.xml',
content: `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>MULTI-ATTACH-001</ID>
<IssueDate>2025-01-25</IssueDate>
<Note>Main invoice document</Note>
</Invoice>`,
relationship: AFRelationship.Data,
description: 'Main invoice XML'
},
{
name: 'supplementary.xml',
content: `<?xml version="1.0" encoding="UTF-8"?>
<SupplementaryData>
<InvoiceRef>MULTI-ATTACH-001</InvoiceRef>
<AdditionalInfo>Extra invoice details</AdditionalInfo>
</SupplementaryData>`,
relationship: AFRelationship.Supplement,
description: 'Supplementary invoice data'
},
{
name: 'signature.xml',
content: `<?xml version="1.0" encoding="UTF-8"?>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
<SignedInfo>
<Reference URI="#invoice">
<DigestValue>abc123...</DigestValue>
</Reference>
</SignedInfo>
</Signature>`,
relationship: AFRelationship.Source,
description: 'Digital signature'
}
];
// Embed each attachment
for (const attachment of attachments) {
await pdfDoc.attach(
Buffer.from(attachment.content, 'utf8'),
attachment.name,
{
mimeType: 'application/xml',
description: attachment.description,
creationDate: new Date(),
modificationDate: new Date(),
afRelationship: attachment.relationship
}
);
}
// Add metadata
pdfDoc.setTitle('Multi-attachment Invoice');
pdfDoc.setSubject('Invoice with multiple embedded files');
pdfDoc.setKeywords(['invoice', 'multiple-attachments', 'xml']);
// Save PDF
const pdfBytes = await pdfDoc.save();
// Test extraction
const einvoice = new EInvoice();
try {
await einvoice.loadFromPdfBuffer(pdfBytes);
// Check if multiple attachments are detected
// Note: The API might not expose all attachments directly
const xmlContent = einvoice.getXmlString();
expect(xmlContent).toContain('MULTI-ATTACH-001');
console.log('Successfully extracted primary attachment from multi-attachment PDF');
} catch (error) {
console.log('Multi-attachment extraction not fully supported:', error.message);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('detect-multiple', elapsed);
});
t.test('Extract all attachments from PDF', async () => {
const startTime = performance.now();
// Create PDF with various attachment types
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
// Different file types as attachments
const mixedAttachments = [
{
name: 'invoice_data.xml',
content: '<?xml version="1.0"?><invoice><id>TEST-001</id></invoice>',
mimeType: 'application/xml'
},
{
name: 'invoice_image.txt',
content: 'BASE64_ENCODED_IMAGE_DATA_HERE',
mimeType: 'text/plain'
},
{
name: 'invoice_style.css',
content: '.invoice { font-family: Arial; }',
mimeType: 'text/css'
},
{
name: 'invoice_meta.json',
content: '{"version":"1.0","format":"UBL"}',
mimeType: 'application/json'
}
];
for (const attach of mixedAttachments) {
await pdfDoc.attach(
Buffer.from(attach.content, 'utf8'),
attach.name,
{
mimeType: attach.mimeType,
description: `${attach.name} attachment`
}
);
}
const pdfBytes = await pdfDoc.save();
// Test if we can identify all attachments
const einvoice = new EInvoice();
try {
await einvoice.loadFromPdfBuffer(pdfBytes);
// The library might only extract XML attachments
console.log('Extracted attachment from PDF with mixed file types');
} catch (error) {
console.log('Mixed attachment handling:', error.message);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('extract-all', elapsed);
});
t.test('Handle attachment relationships', async () => {
const startTime = performance.now();
const { PDFDocument, AFRelationship } = plugins;
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
// Test different AFRelationship types
const relationshipTests = [
{ rel: AFRelationship.Source, desc: 'Source document' },
{ rel: AFRelationship.Data, desc: 'Data file' },
{ rel: AFRelationship.Alternative, desc: 'Alternative representation' },
{ rel: AFRelationship.Supplement, desc: 'Supplementary data' },
{ rel: AFRelationship.Unspecified, desc: 'Unspecified relationship' }
];
for (const test of relationshipTests) {
const xmlContent = `<?xml version="1.0"?>
<Document type="${test.desc}">
<Relationship>${test.rel}</Relationship>
</Document>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
`${test.rel}_document.xml`,
{
mimeType: 'application/xml',
description: test.desc,
afRelationship: test.rel
}
);
}
const pdfBytes = await pdfDoc.save();
expect(pdfBytes.length).toBeGreaterThan(0);
console.log('Created PDF with various attachment relationships');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('relationships', elapsed);
});
t.test('Attachment size limits', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
// Test with increasingly large attachments
const sizes = [
{ size: 1024, name: '1KB' }, // 1 KB
{ size: 10 * 1024, name: '10KB' }, // 10 KB
{ size: 100 * 1024, name: '100KB' }, // 100 KB
{ size: 1024 * 1024, name: '1MB' } // 1 MB
];
for (const sizeTest of sizes) {
// Generate XML content of specified size
let content = '<?xml version="1.0" encoding="UTF-8"?>\n<LargeInvoice>\n';
const padding = '<Data>';
while (content.length < sizeTest.size - 100) {
content += padding + 'x'.repeat(80) + '</Data>\n';
}
content += '</LargeInvoice>';
try {
await pdfDoc.attach(
Buffer.from(content, 'utf8'),
`large_${sizeTest.name}.xml`,
{
mimeType: 'application/xml',
description: `Large attachment test ${sizeTest.name}`
}
);
console.log(`Successfully attached ${sizeTest.name} file`);
} catch (error) {
console.log(`Failed to attach ${sizeTest.name}:`, error.message);
}
}
const pdfBytes = await pdfDoc.save();
console.log(`Final PDF size with attachments: ${(pdfBytes.length / 1024).toFixed(2)} KB`);
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('size-limits', elapsed);
});
t.test('Duplicate attachment names', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
// Try to add multiple attachments with same name
const attachmentName = 'invoice.xml';
const versions = [
{ content: '<invoice version="1.0"/>', desc: 'Version 1.0' },
{ content: '<invoice version="2.0"/>', desc: 'Version 2.0' },
{ content: '<invoice version="3.0"/>', desc: 'Version 3.0' }
];
for (const version of versions) {
try {
await pdfDoc.attach(
Buffer.from(version.content, 'utf8'),
attachmentName,
{
mimeType: 'application/xml',
description: version.desc
}
);
console.log(`Attached: ${version.desc}`);
} catch (error) {
console.log(`Duplicate name handling for ${version.desc}:`, error.message);
}
}
const pdfBytes = await pdfDoc.save();
// Check if duplicates are handled
const einvoice = new EInvoice();
try {
await einvoice.loadFromPdfBuffer(pdfBytes);
console.log('Handled PDF with duplicate attachment names');
} catch (error) {
console.log('Duplicate name error:', error.message);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('duplicate-names', elapsed);
});
t.test('Corpus PDFs with multiple attachments', async () => {
const startTime = performance.now();
let multiAttachmentCount = 0;
let processedCount = 0;
const files = await corpusLoader.getAllFiles();
const pdfFiles = files.filter(f => f.endsWith('.pdf'));
// Sample PDFs to check for multiple attachments
const sampleSize = Math.min(30, pdfFiles.length);
const sample = pdfFiles.slice(0, sampleSize);
for (const file of sample) {
try {
const content = await corpusLoader.readFile(file);
const einvoice = new EInvoice();
// Try to load and check for attachments
try {
await einvoice.loadFromPdfBuffer(content);
// Check if PDF might have multiple attachments
// This is approximate since we can't directly query attachment count
const pdfString = content.toString('binary');
const attachmentMatches = pdfString.match(/\/EmbeddedFiles/g);
if (attachmentMatches && attachmentMatches.length > 1) {
multiAttachmentCount++;
console.log(`Multiple attachments detected in: ${file}`);
}
} catch (error) {
// Skip PDFs that can't be processed
}
processedCount++;
} catch (error) {
console.log(`Error reading ${file}:`, error.message);
}
}
console.log(`Corpus analysis: ${multiAttachmentCount}/${processedCount} PDFs may have multiple attachments`);
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('corpus-multi-attach', elapsed);
});
t.test('Attachment extraction order', async () => {
const startTime = performance.now();
const { PDFDocument, AFRelationship } = plugins;
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
// Add attachments in specific order
const orderedAttachments = [
{ name: '1_first.xml', priority: 'high', afRel: AFRelationship.Data },
{ name: '2_second.xml', priority: 'medium', afRel: AFRelationship.Supplement },
{ name: '3_third.xml', priority: 'low', afRel: AFRelationship.Alternative }
];
for (const attach of orderedAttachments) {
const content = `<?xml version="1.0"?>
<Document>
<Order>${attach.name}</Order>
<Priority>${attach.priority}</Priority>
</Document>`;
await pdfDoc.attach(
Buffer.from(content, 'utf8'),
attach.name,
{
mimeType: 'application/xml',
description: `Priority: ${attach.priority}`,
afRelationship: attach.afRel
}
);
}
const pdfBytes = await pdfDoc.save();
// Test extraction order
const einvoice = new EInvoice();
try {
await einvoice.loadFromPdfBuffer(pdfBytes);
// Check which attachment was extracted
const xmlContent = einvoice.getXmlString();
console.log('Extraction order test completed');
// Library likely extracts based on AFRelationship priority
if (xmlContent.includes('1_first.xml')) {
console.log('Extracted primary (Data) attachment first');
}
} catch (error) {
console.log('Order extraction error:', error.message);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('extraction-order', elapsed);
});
// Print performance summary
performanceTracker.printSummary();
// Performance assertions
const avgTime = performanceTracker.getAverageTime();
expect(avgTime).toBeLessThan(500); // Multiple attachments may take longer
});
tap.start();

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import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as plugins from '../plugins.js';
import { EInvoice } from '../../../ts/index.js';
import { CorpusLoader } from '../corpus.loader.js';
import { PerformanceTracker } from '../performance.tracker.js';
tap.test('PDF-07: Metadata Preservation - should preserve PDF metadata during operations', async (t) => {
// PDF-07: Verify PDF metadata is preserved when embedding/extracting XML
// This test ensures document properties and metadata remain intact
const performanceTracker = new PerformanceTracker('PDF-07: Metadata Preservation');
const corpusLoader = new CorpusLoader();
t.test('Preserve standard PDF metadata', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// Set comprehensive metadata
const metadata = {
title: 'Test Invoice 2025-001',
author: 'Invoice System v3.0',
subject: 'Monthly Invoice for Services',
keywords: ['invoice', 'zugferd', 'factur-x', 'electronic', 'billing'],
creator: 'EInvoice Library',
producer: 'PDFLib Test Suite',
creationDate: new Date('2025-01-01T10:00:00Z'),
modificationDate: new Date('2025-01-25T14:30:00Z')
};
pdfDoc.setTitle(metadata.title);
pdfDoc.setAuthor(metadata.author);
pdfDoc.setSubject(metadata.subject);
pdfDoc.setKeywords(metadata.keywords);
pdfDoc.setCreator(metadata.creator);
pdfDoc.setProducer(metadata.producer);
pdfDoc.setCreationDate(metadata.creationDate);
pdfDoc.setModificationDate(metadata.modificationDate);
// Add content
const page = pdfDoc.addPage([595, 842]);
page.drawText('Invoice with Metadata', { x: 50, y: 750, size: 20 });
// Add invoice XML
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>METADATA-TEST-001</ID>
<IssueDate>2025-01-25</IssueDate>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
</Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{
mimeType: 'application/xml',
description: 'Invoice XML data',
afRelationship: plugins.AFRelationship.Data
}
);
const originalPdfBytes = await pdfDoc.save();
// Load into EInvoice and process
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(originalPdfBytes);
// Get back as PDF (if supported)
try {
const processedPdf = await einvoice.getPdfBuffer();
// Load processed PDF and check metadata
const processedDoc = await PDFDocument.load(processedPdf);
expect(processedDoc.getTitle()).toBe(metadata.title);
expect(processedDoc.getAuthor()).toBe(metadata.author);
expect(processedDoc.getSubject()).toBe(metadata.subject);
expect(processedDoc.getKeywords()).toBe(metadata.keywords.join(', '));
expect(processedDoc.getCreator()).toBe(metadata.creator);
console.log('All metadata preserved successfully');
} catch (error) {
console.log('PDF metadata preservation not fully supported:', error.message);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('standard-metadata', elapsed);
});
t.test('Preserve custom metadata properties', async () => {
const startTime = performance.now();
const { PDFDocument, PDFDict, PDFName, PDFString } = plugins;
const pdfDoc = await PDFDocument.create();
// Add standard content
const page = pdfDoc.addPage();
page.drawText('Custom Metadata Test', { x: 50, y: 700, size: 16 });
// Access the info dictionary for custom properties
const infoDict = pdfDoc.context.trailerInfo.Info;
if (infoDict instanceof PDFDict) {
// Add custom metadata fields
infoDict.set(PDFName.of('InvoiceNumber'), PDFString.of('INV-2025-001'));
infoDict.set(PDFName.of('InvoiceDate'), PDFString.of('2025-01-25'));
infoDict.set(PDFName.of('CustomerID'), PDFString.of('CUST-12345'));
infoDict.set(PDFName.of('InvoiceType'), PDFString.of('ZUGFeRD 2.1'));
infoDict.set(PDFName.of('PaymentTerms'), PDFString.of('Net 30 days'));
infoDict.set(PDFName.of('TaxRate'), PDFString.of('19%'));
}
// Add XML attachment
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice>
<ID>INV-2025-001</ID>
<CustomerID>CUST-12345</CustomerID>
</Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{
mimeType: 'application/xml',
description: 'Invoice data with custom metadata'
}
);
const pdfBytes = await pdfDoc.save();
// Check if custom metadata is readable
const loadedDoc = await PDFDocument.load(pdfBytes);
const loadedInfo = loadedDoc.context.trailerInfo.Info;
if (loadedInfo instanceof PDFDict) {
const invoiceNum = loadedInfo.get(PDFName.of('InvoiceNumber'));
console.log('Custom metadata preserved in PDF');
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('custom-metadata', elapsed);
});
t.test('XMP metadata preservation', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Create XMP metadata
const xmpMetadata = `<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:about=""
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:pdf="http://ns.adobe.com/pdf/1.3/"
xmlns:xmp="http://ns.adobe.com/xap/1.0/"
xmlns:fx="urn:factur-x:pdfa:CrossIndustryDocument:invoice:1p0#">
<dc:title>
<rdf:Alt>
<rdf:li xml:lang="x-default">Electronic Invoice</rdf:li>
</rdf:Alt>
</dc:title>
<dc:creator>
<rdf:Seq>
<rdf:li>EInvoice System</rdf:li>
</rdf:Seq>
</dc:creator>
<dc:description>
<rdf:Alt>
<rdf:li xml:lang="x-default">ZUGFeRD 2.1 compliant invoice</rdf:li>
</rdf:Alt>
</dc:description>
<pdf:Producer>EInvoice Library with PDFLib</pdf:Producer>
<xmp:CreateDate>2025-01-25T10:00:00Z</xmp:CreateDate>
<xmp:ModifyDate>2025-01-25T14:30:00Z</xmp:ModifyDate>
<fx:DocumentType>INVOICE</fx:DocumentType>
<fx:DocumentFileName>invoice.xml</fx:DocumentFileName>
<fx:Version>2.1</fx:Version>
<fx:ConformanceLevel>EXTENDED</fx:ConformanceLevel>
</rdf:Description>
</rdf:RDF>
</x:xmpmeta>
<?xpacket end="w"?>`;
const pdfDoc = await PDFDocument.create();
// Note: pdf-lib doesn't directly support XMP metadata
// This would require a more advanced PDF library
console.log('XMP metadata test - requires advanced PDF library support');
// Add basic content
const page = pdfDoc.addPage();
page.drawText('XMP Metadata Test', { x: 50, y: 700, size: 16 });
const pdfBytes = await pdfDoc.save();
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('xmp-metadata', elapsed);
});
t.test('Metadata during format conversion', async () => {
const startTime = performance.now();
// Test metadata preservation during invoice format conversion
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<UBLVersionID>2.1</UBLVersionID>
<ID>META-CONV-001</ID>
<IssueDate>2025-01-25</IssueDate>
<Note>Invoice with metadata for conversion test</Note>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<AccountingSupplierParty>
<Party>
<PartyName>
<Name>Test Supplier GmbH</Name>
</PartyName>
</Party>
</AccountingSupplierParty>
</Invoice>`;
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// Set metadata that should be preserved
pdfDoc.setTitle('Conversion Test Invoice');
pdfDoc.setAuthor('Metadata Test Suite');
pdfDoc.setSubject('Testing metadata preservation during conversion');
pdfDoc.setKeywords(['conversion', 'metadata', 'test']);
pdfDoc.setCreationDate(new Date('2025-01-20T09:00:00Z'));
const page = pdfDoc.addPage();
page.drawText('Metadata Conversion Test', { x: 50, y: 700, size: 16 });
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{
mimeType: 'application/xml',
description: 'Invoice for metadata conversion test'
}
);
const pdfBytes = await pdfDoc.save();
// Test preservation through EInvoice processing
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
// Check if we can still access the metadata
console.log('Metadata conversion test completed');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('conversion-metadata', elapsed);
});
t.test('Language and locale metadata', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// Set language-specific metadata
pdfDoc.setTitle('Rechnung Nr. 2025-001');
pdfDoc.setAuthor('Rechnungssystem v3.0');
pdfDoc.setSubject('Monatliche Rechnung für Dienstleistungen');
pdfDoc.setKeywords(['Rechnung', 'ZUGFeRD', 'elektronisch', 'Deutschland']);
pdfDoc.setLanguage('de-DE'); // German language tag
const page = pdfDoc.addPage();
page.drawText('Deutsche Rechnung', { x: 50, y: 700, size: 20 });
// Add German invoice XML
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<rsm:CrossIndustryInvoice xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100">
<rsm:ExchangedDocument>
<ram:ID xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100">RECHNUNG-2025-001</ram:ID>
<ram:Name xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100">Rechnung</ram:Name>
<ram:LanguageID xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100">de</ram:LanguageID>
</rsm:ExchangedDocument>
</rsm:CrossIndustryInvoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'rechnung.xml',
{
mimeType: 'application/xml',
description: 'Deutsche Rechnungsdaten'
}
);
const pdfBytes = await pdfDoc.save();
expect(pdfBytes.length).toBeGreaterThan(0);
console.log('Language metadata test completed');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('language-metadata', elapsed);
});
t.test('Corpus metadata analysis', async () => {
const startTime = performance.now();
let metadataCount = 0;
let processedCount = 0;
const metadataTypes = {
title: 0,
author: 0,
subject: 0,
keywords: 0,
creator: 0,
producer: 0
};
const files = await corpusLoader.getAllFiles();
const pdfFiles = files.filter(f => f.endsWith('.pdf'));
// Sample PDFs for metadata analysis
const sampleSize = Math.min(40, pdfFiles.length);
const sample = pdfFiles.slice(0, sampleSize);
for (const file of sample) {
try {
const content = await corpusLoader.readFile(file);
const { PDFDocument } = plugins;
try {
const pdfDoc = await PDFDocument.load(content);
// Check for metadata
const title = pdfDoc.getTitle();
const author = pdfDoc.getAuthor();
const subject = pdfDoc.getSubject();
const keywords = pdfDoc.getKeywords();
const creator = pdfDoc.getCreator();
const producer = pdfDoc.getProducer();
if (title || author || subject || keywords || creator || producer) {
metadataCount++;
if (title) metadataTypes.title++;
if (author) metadataTypes.author++;
if (subject) metadataTypes.subject++;
if (keywords) metadataTypes.keywords++;
if (creator) metadataTypes.creator++;
if (producer) metadataTypes.producer++;
}
processedCount++;
} catch (error) {
// Skip PDFs that can't be loaded
}
} catch (error) {
console.log(`Error reading ${file}:`, error.message);
}
}
console.log(`Corpus metadata analysis (${processedCount} PDFs):`);
console.log(`- PDFs with metadata: ${metadataCount}`);
console.log('Metadata field frequency:', metadataTypes);
expect(processedCount).toBeGreaterThan(0);
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('corpus-metadata', elapsed);
});
t.test('Metadata size and encoding', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// Test with very long metadata values
const longTitle = 'Invoice ' + 'Document '.repeat(50) + 'Title';
const longKeywords = Array(100).fill('keyword').map((k, i) => `${k}${i}`);
const longSubject = 'This is a very detailed subject line that describes the invoice document in great detail. '.repeat(5);
pdfDoc.setTitle(longTitle.substring(0, 255)); // PDF might have limits
pdfDoc.setKeywords(longKeywords.slice(0, 50)); // Reasonable limit
pdfDoc.setSubject(longSubject.substring(0, 500));
// Test special characters in metadata
pdfDoc.setAuthor('Müller & Associés S.à r.l.');
pdfDoc.setCreator('System © 2025 • München');
const page = pdfDoc.addPage();
page.drawText('Metadata Size Test', { x: 50, y: 700, size: 16 });
const pdfBytes = await pdfDoc.save();
// Verify metadata was set
const loadedDoc = await PDFDocument.load(pdfBytes);
const loadedTitle = loadedDoc.getTitle();
const loadedAuthor = loadedDoc.getAuthor();
expect(loadedTitle).toBeTruthy();
expect(loadedAuthor).toContain('Müller');
console.log('Metadata size and encoding test completed');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('metadata-size', elapsed);
});
// Print performance summary
performanceTracker.printSummary();
// Performance assertions
const avgTime = performanceTracker.getAverageTime();
expect(avgTime).toBeLessThan(300); // Metadata operations should be fast
});
tap.start();

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import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as plugins from '../plugins.js';
import { EInvoice } from '../../../ts/index.js';
import { CorpusLoader } from '../corpus.loader.js';
import { PerformanceTracker } from '../performance.tracker.js';
tap.test('PDF-08: Large PDF Performance - should handle large PDFs efficiently', async (t) => {
// PDF-08: Verify performance with large PDF files
// This test ensures the system can handle large PDFs without memory issues
const performanceTracker = new PerformanceTracker('PDF-08: Large PDF Performance');
const corpusLoader = new CorpusLoader();
t.test('Process PDFs of increasing size', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Test different PDF sizes
const sizes = [
{ pages: 1, name: '1-page', expectedTime: 100 },
{ pages: 10, name: '10-page', expectedTime: 200 },
{ pages: 50, name: '50-page', expectedTime: 500 },
{ pages: 100, name: '100-page', expectedTime: 1000 }
];
for (const sizeTest of sizes) {
const sizeStartTime = performance.now();
const pdfDoc = await PDFDocument.create();
// Create multiple pages
for (let i = 0; i < sizeTest.pages; i++) {
const page = pdfDoc.addPage([595, 842]); // A4
// Add content to each page
page.drawText(`Invoice Page ${i + 1} of ${sizeTest.pages}`, {
x: 50,
y: 750,
size: 20
});
// Add some graphics to increase file size
page.drawRectangle({
x: 50,
y: 600,
width: 495,
height: 100,
borderColor: { red: 0, green: 0, blue: 0 },
borderWidth: 1
});
// Add text content
for (let j = 0; j < 20; j++) {
page.drawText(`Line item ${j + 1}: Product description with details`, {
x: 60,
y: 580 - (j * 20),
size: 10
});
}
}
// Add invoice XML
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>LARGE-PDF-${sizeTest.name}</ID>
<IssueDate>2025-01-25</IssueDate>
<Note>Test invoice for ${sizeTest.pages} page PDF</Note>
<LineItemCount>${sizeTest.pages * 20}</LineItemCount>
</Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{
mimeType: 'application/xml',
description: `Invoice for ${sizeTest.pages} page document`
}
);
const pdfBytes = await pdfDoc.save();
const sizeMB = (pdfBytes.length / 1024 / 1024).toFixed(2);
// Test extraction performance
const extractStartTime = performance.now();
const einvoice = new EInvoice();
try {
await einvoice.loadFromPdfBuffer(pdfBytes);
const xmlString = einvoice.getXmlString();
expect(xmlString).toContain(`LARGE-PDF-${sizeTest.name}`);
const extractTime = performance.now() - extractStartTime;
console.log(`${sizeTest.name} (${sizeMB} MB): Extraction took ${extractTime.toFixed(2)}ms`);
// Check if extraction time is reasonable
expect(extractTime).toBeLessThan(sizeTest.expectedTime);
} catch (error) {
console.log(`${sizeTest.name} extraction error:`, error.message);
}
const sizeElapsed = performance.now() - sizeStartTime;
performanceTracker.addMeasurement(`size-${sizeTest.name}`, sizeElapsed);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('increasing-sizes', elapsed);
});
t.test('Memory usage with large PDFs', async () => {
const startTime = performance.now();
// Monitor memory usage
const initialMemory = process.memoryUsage();
console.log('Initial memory (MB):', {
rss: (initialMemory.rss / 1024 / 1024).toFixed(2),
heapUsed: (initialMemory.heapUsed / 1024 / 1024).toFixed(2)
});
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// Create a large PDF with many objects
const pageCount = 200;
for (let i = 0; i < pageCount; i++) {
const page = pdfDoc.addPage();
// Add many small objects to increase complexity
for (let j = 0; j < 50; j++) {
page.drawText(`Item ${i}-${j}`, {
x: 50 + (j % 10) * 50,
y: 700 - Math.floor(j / 10) * 20,
size: 8
});
}
}
// Add large XML attachment
let xmlContent = '<?xml version="1.0" encoding="UTF-8"?>\n<LargeInvoice>\n';
for (let i = 0; i < 1000; i++) {
xmlContent += ` <LineItem number="${i}">
<Description>Product item with long description text that increases file size</Description>
<Quantity>10</Quantity>
<Price>99.99</Price>
</LineItem>\n`;
}
xmlContent += '</LargeInvoice>';
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'large-invoice.xml',
{
mimeType: 'application/xml',
description: 'Large invoice with many line items'
}
);
const pdfBytes = await pdfDoc.save();
const sizeMB = (pdfBytes.length / 1024 / 1024).toFixed(2);
console.log(`Created large PDF: ${sizeMB} MB`);
// Test memory usage during processing
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
const afterMemory = process.memoryUsage();
console.log('After processing memory (MB):', {
rss: (afterMemory.rss / 1024 / 1024).toFixed(2),
heapUsed: (afterMemory.heapUsed / 1024 / 1024).toFixed(2)
});
const memoryIncrease = afterMemory.heapUsed - initialMemory.heapUsed;
console.log(`Memory increase: ${(memoryIncrease / 1024 / 1024).toFixed(2)} MB`);
// Force garbage collection if available
if (global.gc) {
global.gc();
const gcMemory = process.memoryUsage();
console.log('After GC memory (MB):', {
heapUsed: (gcMemory.heapUsed / 1024 / 1024).toFixed(2)
});
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('memory-usage', elapsed);
});
t.test('Streaming vs loading performance', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Create a moderately large PDF
const pdfDoc = await PDFDocument.create();
for (let i = 0; i < 50; i++) {
const page = pdfDoc.addPage();
page.drawText(`Page ${i + 1}`, { x: 50, y: 700, size: 20 });
}
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice><ID>STREAM-TEST</ID></Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{ mimeType: 'application/xml' }
);
const pdfBytes = await pdfDoc.save();
// Test full loading
const loadStartTime = performance.now();
const einvoice1 = new EInvoice();
await einvoice1.loadFromPdfBuffer(pdfBytes);
const loadTime = performance.now() - loadStartTime;
console.log(`Full loading time: ${loadTime.toFixed(2)}ms`);
// Note: Actual streaming would require stream API support
// This is a placeholder for streaming performance comparison
console.log('Streaming API would potentially reduce memory usage for large files');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('streaming-comparison', elapsed);
});
t.test('Concurrent large PDF processing', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Create multiple PDFs for concurrent processing
const createPdf = async (id: string, pages: number) => {
const pdfDoc = await PDFDocument.create();
for (let i = 0; i < pages; i++) {
const page = pdfDoc.addPage();
page.drawText(`Document ${id} - Page ${i + 1}`, { x: 50, y: 700, size: 16 });
}
await pdfDoc.attach(
Buffer.from(`<Invoice><ID>${id}</ID></Invoice>`, 'utf8'),
'invoice.xml',
{ mimeType: 'application/xml' }
);
return pdfDoc.save();
};
// Create PDFs
const pdfPromises = [
createPdf('PDF-A', 30),
createPdf('PDF-B', 40),
createPdf('PDF-C', 50),
createPdf('PDF-D', 60)
];
const pdfs = await Promise.all(pdfPromises);
// Process concurrently
const concurrentStartTime = performance.now();
const processPromises = pdfs.map(async (pdfBytes, index) => {
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
return einvoice.getXmlString();
});
const results = await Promise.all(processPromises);
const concurrentTime = performance.now() - concurrentStartTime;
expect(results.length).toBe(4);
results.forEach((xml, index) => {
expect(xml).toContain(`PDF-${String.fromCharCode(65 + index)}`);
});
console.log(`Concurrent processing of 4 PDFs: ${concurrentTime.toFixed(2)}ms`);
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('concurrent-processing', elapsed);
});
t.test('Large PDF with complex structure', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// Create complex structure with forms, annotations, etc.
const formPage = pdfDoc.addPage();
// Add form fields (simplified - actual forms require more setup)
formPage.drawText('Invoice Form', { x: 50, y: 750, size: 24 });
formPage.drawRectangle({
x: 50,
y: 700,
width: 200,
height: 30,
borderColor: { red: 0, green: 0, blue: 0.5 },
borderWidth: 1
});
formPage.drawText('Invoice Number:', { x: 55, y: 710, size: 12 });
// Add multiple embedded files
const attachments = [
{ name: 'invoice.xml', size: 10000 },
{ name: 'terms.pdf', size: 50000 },
{ name: 'logo.png', size: 20000 }
];
for (const att of attachments) {
const content = Buffer.alloc(att.size, 'A'); // Dummy content
await pdfDoc.attach(content, att.name, {
mimeType: att.name.endsWith('.xml') ? 'application/xml' : 'application/octet-stream',
description: `Attachment: ${att.name}`
});
}
// Add many pages with different content types
for (let i = 0; i < 25; i++) {
const page = pdfDoc.addPage();
// Alternate between text-heavy and graphic-heavy pages
if (i % 2 === 0) {
// Text-heavy page
for (let j = 0; j < 40; j++) {
page.drawText(`Line ${j + 1}: Lorem ipsum dolor sit amet, consectetur adipiscing elit.`, {
x: 50,
y: 750 - (j * 18),
size: 10
});
}
} else {
// Graphic-heavy page
for (let j = 0; j < 10; j++) {
for (let k = 0; k < 10; k++) {
page.drawRectangle({
x: 50 + (k * 50),
y: 700 - (j * 50),
width: 45,
height: 45,
color: {
red: Math.random(),
green: Math.random(),
blue: Math.random()
}
});
}
}
}
}
const pdfBytes = await pdfDoc.save();
const sizeMB = (pdfBytes.length / 1024 / 1024).toFixed(2);
console.log(`Complex PDF size: ${sizeMB} MB`);
// Test processing
const processStartTime = performance.now();
const einvoice = new EInvoice();
try {
await einvoice.loadFromPdfBuffer(pdfBytes);
const processTime = performance.now() - processStartTime;
console.log(`Complex PDF processed in: ${processTime.toFixed(2)}ms`);
} catch (error) {
console.log('Complex PDF processing error:', error.message);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('complex-structure', elapsed);
});
t.test('Corpus large PDF analysis', async () => {
const startTime = performance.now();
let largeFileCount = 0;
let totalSize = 0;
let processedCount = 0;
const sizeDistribution = {
small: 0, // < 100KB
medium: 0, // 100KB - 1MB
large: 0, // 1MB - 10MB
veryLarge: 0 // > 10MB
};
const files = await corpusLoader.getAllFiles();
const pdfFiles = files.filter(f => f.endsWith('.pdf'));
for (const file of pdfFiles) {
try {
const content = await corpusLoader.readFile(file);
const sizeMB = content.length / 1024 / 1024;
totalSize += content.length;
if (content.length < 100 * 1024) {
sizeDistribution.small++;
} else if (content.length < 1024 * 1024) {
sizeDistribution.medium++;
} else if (content.length < 10 * 1024 * 1024) {
sizeDistribution.large++;
largeFileCount++;
} else {
sizeDistribution.veryLarge++;
largeFileCount++;
}
// Test large file processing
if (sizeMB > 1) {
const testStartTime = performance.now();
const einvoice = new EInvoice();
try {
await einvoice.loadFromPdfBuffer(content);
const testTime = performance.now() - testStartTime;
console.log(`Large file ${file} (${sizeMB.toFixed(2)} MB) processed in ${testTime.toFixed(2)}ms`);
} catch (error) {
console.log(`Large file ${file} processing failed:`, error.message);
}
}
processedCount++;
} catch (error) {
console.log(`Error reading ${file}:`, error.message);
}
}
const avgSize = totalSize / processedCount / 1024;
console.log(`Corpus PDF analysis (${processedCount} files):`);
console.log(`- Average size: ${avgSize.toFixed(2)} KB`);
console.log(`- Large files (>1MB): ${largeFileCount}`);
console.log('Size distribution:', sizeDistribution);
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('corpus-large-pdfs', elapsed);
});
t.test('Performance degradation test', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const processingTimes: number[] = [];
// Test if performance degrades with repeated operations
for (let iteration = 0; iteration < 5; iteration++) {
const iterStartTime = performance.now();
// Create PDF
const pdfDoc = await PDFDocument.create();
for (let i = 0; i < 20; i++) {
const page = pdfDoc.addPage();
page.drawText(`Iteration ${iteration + 1} - Page ${i + 1}`, {
x: 50,
y: 700,
size: 16
});
}
await pdfDoc.attach(
Buffer.from(`<Invoice><ID>PERF-${iteration}</ID></Invoice>`, 'utf8'),
'invoice.xml',
{ mimeType: 'application/xml' }
);
const pdfBytes = await pdfDoc.save();
// Process PDF
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
einvoice.getXmlString();
const iterTime = performance.now() - iterStartTime;
processingTimes.push(iterTime);
console.log(`Iteration ${iteration + 1}: ${iterTime.toFixed(2)}ms`);
}
// Check for performance degradation
const firstTime = processingTimes[0];
const lastTime = processingTimes[processingTimes.length - 1];
const degradation = ((lastTime - firstTime) / firstTime) * 100;
console.log(`Performance degradation: ${degradation.toFixed(2)}%`);
expect(Math.abs(degradation)).toBeLessThan(50); // Allow up to 50% variation
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('degradation-test', elapsed);
});
// Print performance summary
performanceTracker.printSummary();
// Performance assertions
const avgTime = performanceTracker.getAverageTime();
expect(avgTime).toBeLessThan(2000); // Large PDFs may take longer
});
tap.start();

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import { tap, expect } from '@git.zone/tstest/tapbundle';
import * as plugins from '../../../ts/plugins.ts';
import { EInvoice } from '../../../ts/classes.xinvoice.ts';
import { CorpusLoader } from '../../helpers/corpus.loader.ts';
import { PerformanceTracker } from '../../helpers/performance.tracker.ts';
const testTimeout = 300000; // 5 minutes timeout for PDF processing
// PDF-09: Corrupted PDF Recovery
// Tests recovery mechanisms for corrupted, malformed, or partially damaged PDF files
// including graceful error handling and data recovery strategies
tap.test('PDF-09: Corrupted PDF Recovery - Truncated PDF Files', async (tools) => {
const startTime = Date.now();
try {
// Get a working PDF from corpus to create corrupted versions
const validPdfs = await CorpusLoader.getFiles('ZUGFERD_V1');
if (validPdfs.length === 0) {
tools.log('⚠ No valid PDF files found for corruption testing');
return;
}
const basePdf = validPdfs[0];
const basePdfName = plugins.path.basename(basePdf);
tools.log(`Creating corrupted versions of: ${basePdfName}`);
// Read the original PDF
const originalPdfBuffer = await plugins.fs.readFile(basePdf);
const originalSize = originalPdfBuffer.length;
tools.log(`Original PDF size: ${(originalSize / 1024).toFixed(1)}KB`);
// Test different levels of truncation
const truncationTests = [
{ name: '90% Truncated', percentage: 0.9 },
{ name: '75% Truncated', percentage: 0.75 },
{ name: '50% Truncated', percentage: 0.5 },
{ name: '25% Truncated', percentage: 0.25 },
{ name: '10% Truncated', percentage: 0.1 }
];
for (const truncationTest of truncationTests) {
const truncatedSize = Math.floor(originalSize * truncationTest.percentage);
const truncatedBuffer = originalPdfBuffer.subarray(0, truncatedSize);
const truncatedPath = plugins.path.join(process.cwd(), '.nogit', `truncated-${truncationTest.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(truncatedPath));
await plugins.fs.writeFile(truncatedPath, truncatedBuffer);
tools.log(`Testing ${truncationTest.name} (${(truncatedSize / 1024).toFixed(1)}KB)...`);
try {
const invoice = new EInvoice();
const extractionResult = await invoice.fromFile(truncatedPath);
if (extractionResult) {
tools.log(` ✓ Unexpected success - managed to extract from ${truncationTest.name}`);
// Verify extracted content
const xmlContent = await invoice.toXmlString();
if (xmlContent && xmlContent.length > 50) {
tools.log(` Extracted XML length: ${xmlContent.length} chars`);
}
} else {
tools.log(` ✓ Expected failure - no extraction from ${truncationTest.name}`);
}
} catch (extractionError) {
// Expected for corrupted files
tools.log(` ✓ Expected error for ${truncationTest.name}: ${extractionError.message.substring(0, 100)}...`);
expect(extractionError.message).toBeTruthy();
}
// Clean up
await plugins.fs.remove(truncatedPath);
}
} catch (error) {
tools.log(`Truncated PDF test failed: ${error.message}`);
throw error;
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-corrupted-truncated', duration);
});
tap.test('PDF-09: Corrupted PDF Recovery - Header Corruption', async (tools) => {
const startTime = Date.now();
// Test various PDF header corruption scenarios
const headerCorruptionTests = [
{
name: 'Invalid PDF Header',
content: '%NOT-A-PDF-1.4\n%âãÏÓ\n',
expectedError: true
},
{
name: 'Missing PDF Version',
content: '%PDF-\n%âãÏÓ\n',
expectedError: true
},
{
name: 'Corrupted Binary Marker',
content: '%PDF-1.4\n%CORRUPTED\n',
expectedError: true
},
{
name: 'Empty PDF File',
content: '',
expectedError: true
},
{
name: 'Only Header Line',
content: '%PDF-1.4\n',
expectedError: true
},
{
name: 'Wrong File Extension Content',
content: 'This is actually a text file, not a PDF',
expectedError: true
}
];
for (const headerTest of headerCorruptionTests) {
tools.log(`Testing ${headerTest.name}...`);
const corruptedPath = plugins.path.join(process.cwd(), '.nogit', `header-${headerTest.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(corruptedPath));
try {
// Create corrupted file
await plugins.fs.writeFile(corruptedPath, headerTest.content, 'binary');
const invoice = new EInvoice();
const extractionResult = await invoice.fromFile(corruptedPath);
if (headerTest.expectedError) {
if (extractionResult) {
tools.log(` ⚠ Expected error for ${headerTest.name} but extraction succeeded`);
} else {
tools.log(` ✓ Expected failure - no extraction from ${headerTest.name}`);
}
} else {
tools.log(`${headerTest.name}: Extraction succeeded as expected`);
}
} catch (extractionError) {
if (headerTest.expectedError) {
tools.log(` ✓ Expected error for ${headerTest.name}: ${extractionError.message.substring(0, 80)}...`);
expect(extractionError.message).toBeTruthy();
} else {
tools.log(` ✗ Unexpected error for ${headerTest.name}: ${extractionError.message}`);
throw extractionError;
}
} finally {
// Clean up
try {
await plugins.fs.remove(corruptedPath);
} catch (cleanupError) {
// Ignore cleanup errors
}
}
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-corrupted-header', duration);
});
tap.test('PDF-09: Corrupted PDF Recovery - Random Byte Corruption', async (tools) => {
const startTime = Date.now();
try {
const validPdfs = await CorpusLoader.getFiles('ZUGFERD_V1');
if (validPdfs.length === 0) {
tools.log('⚠ No valid PDF files found for random corruption testing');
return;
}
const basePdf = validPdfs[0];
const originalBuffer = await plugins.fs.readFile(basePdf);
tools.log(`Testing random byte corruption with: ${plugins.path.basename(basePdf)}`);
// Test different levels of random corruption
const corruptionLevels = [
{ name: 'Light Corruption (0.1%)', percentage: 0.001 },
{ name: 'Medium Corruption (1%)', percentage: 0.01 },
{ name: 'Heavy Corruption (5%)', percentage: 0.05 },
{ name: 'Severe Corruption (10%)', percentage: 0.1 }
];
for (const corruptionLevel of corruptionLevels) {
tools.log(`Testing ${corruptionLevel.name}...`);
// Create corrupted version
const corruptedBuffer = Buffer.from(originalBuffer);
const bytesToCorrupt = Math.floor(corruptedBuffer.length * corruptionLevel.percentage);
for (let i = 0; i < bytesToCorrupt; i++) {
const randomIndex = Math.floor(Math.random() * corruptedBuffer.length);
const randomByte = Math.floor(Math.random() * 256);
corruptedBuffer[randomIndex] = randomByte;
}
const corruptedPath = plugins.path.join(process.cwd(), '.nogit', `random-${corruptionLevel.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(corruptedPath));
await plugins.fs.writeFile(corruptedPath, corruptedBuffer);
try {
const invoice = new EInvoice();
const extractionResult = await invoice.fromFile(corruptedPath);
if (extractionResult) {
tools.log(` ✓ Resilient recovery from ${corruptionLevel.name}`);
// Verify extracted content quality
const xmlContent = await invoice.toXmlString();
if (xmlContent && xmlContent.length > 100) {
tools.log(` Extracted ${xmlContent.length} chars of XML`);
// Test if XML is well-formed
try {
// Simple XML validation
if (xmlContent.includes('<?xml') && xmlContent.includes('</')) {
tools.log(` ✓ Extracted XML appears well-formed`);
}
} catch (xmlError) {
tools.log(` ⚠ Extracted XML may be malformed: ${xmlError.message}`);
}
}
} else {
tools.log(` ⚠ No extraction possible from ${corruptionLevel.name}`);
}
} catch (extractionError) {
tools.log(` ⚠ Extraction failed for ${corruptionLevel.name}: ${extractionError.message.substring(0, 80)}...`);
// Check if error message is helpful
expect(extractionError.message).toBeTruthy();
expect(extractionError.message.length).toBeGreaterThan(10);
}
// Clean up
await plugins.fs.remove(corruptedPath);
}
} catch (error) {
tools.log(`Random corruption test failed: ${error.message}`);
throw error;
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-corrupted-random', duration);
});
tap.test('PDF-09: Corrupted PDF Recovery - Structural Damage', async (tools) => {
const startTime = Date.now();
try {
const validPdfs = await CorpusLoader.getFiles('ZUGFERD_V1');
if (validPdfs.length === 0) {
tools.log('⚠ No valid PDF files found for structural damage testing');
return;
}
const basePdf = validPdfs[0];
const originalContent = await plugins.fs.readFile(basePdf, 'binary');
tools.log(`Testing structural damage with: ${plugins.path.basename(basePdf)}`);
// Test different types of structural damage
const structuralDamageTests = [
{
name: 'Missing xref table',
damage: (content) => content.replace(/xref\s*\n[\s\S]*?trailer/g, 'damaged-xref')
},
{
name: 'Corrupted trailer',
damage: (content) => content.replace(/trailer\s*<<[\s\S]*?>>/g, 'damaged-trailer')
},
{
name: 'Missing startxref',
damage: (content) => content.replace(/startxref\s*\d+/g, 'damaged-startxref')
},
{
name: 'Corrupted PDF objects',
damage: (content) => content.replace(/\d+\s+\d+\s+obj/g, 'XX XX damaged')
},
{
name: 'Missing EOF marker',
damage: (content) => content.replace(/%%EOF\s*$/, 'CORRUPTED')
}
];
for (const damageTest of structuralDamageTests) {
tools.log(`Testing ${damageTest.name}...`);
try {
const damagedContent = damageTest.damage(originalContent);
const damagedPath = plugins.path.join(process.cwd(), '.nogit', `structural-${damageTest.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(damagedPath));
await plugins.fs.writeFile(damagedPath, damagedContent, 'binary');
const invoice = new EInvoice();
const extractionResult = await invoice.fromFile(damagedPath);
if (extractionResult) {
tools.log(` ✓ Recovered from ${damageTest.name}`);
// Test extracted content
const xmlContent = await invoice.toXmlString();
if (xmlContent && xmlContent.length > 50) {
tools.log(` Recovered XML content: ${xmlContent.length} chars`);
}
} else {
tools.log(` ⚠ No recovery possible from ${damageTest.name}`);
}
// Clean up
await plugins.fs.remove(damagedPath);
} catch (extractionError) {
tools.log(`${damageTest.name} extraction failed: ${extractionError.message.substring(0, 80)}...`);
expect(extractionError.message).toBeTruthy();
}
}
} catch (error) {
tools.log(`Structural damage test failed: ${error.message}`);
throw error;
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-corrupted-structural', duration);
});
tap.test('PDF-09: Corrupted PDF Recovery - Attachment Corruption', async (tools) => {
const startTime = Date.now();
// Test scenarios where the XML attachment itself is corrupted
try {
const validPdfs = await CorpusLoader.getFiles('ZUGFERD_V1');
if (validPdfs.length === 0) {
tools.log('⚠ No valid PDF files found for attachment corruption testing');
return;
}
const basePdf = validPdfs[0];
tools.log(`Testing attachment corruption scenarios with: ${plugins.path.basename(basePdf)}`);
// First, try to extract XML from the original file to understand the structure
let originalXml = null;
try {
const originalInvoice = new EInvoice();
const originalResult = await originalInvoice.fromFile(basePdf);
if (originalResult) {
originalXml = await originalInvoice.toXmlString();
tools.log(`Original XML length: ${originalXml.length} chars`);
}
} catch (originalError) {
tools.log(`Could not extract original XML: ${originalError.message}`);
}
// Test various attachment corruption scenarios
const attachmentTests = [
{
name: 'Partial XML Loss',
description: 'Simulate partial loss of XML attachment data'
},
{
name: 'Encoding Corruption',
description: 'Simulate character encoding corruption'
},
{
name: 'Compression Corruption',
description: 'Simulate corruption in compressed attachment streams'
},
{
name: 'Multiple Attachments',
description: 'Test handling when PDF contains multiple/conflicting XML attachments'
}
];
for (const attachmentTest of attachmentTests) {
tools.log(`Testing ${attachmentTest.name}: ${attachmentTest.description}`);
try {
const invoice = new EInvoice();
// Attempt extraction with error handling
const extractionResult = await invoice.fromFile(basePdf);
if (extractionResult) {
// If we got any result, test the robustness of the extraction
const extractedXml = await invoice.toXmlString();
if (extractedXml) {
// Test XML integrity
const integrityChecks = {
hasXmlDeclaration: extractedXml.startsWith('<?xml'),
hasRootElement: extractedXml.includes('<') && extractedXml.includes('>'),
hasClosingTags: extractedXml.includes('</'),
isBalanced: (extractedXml.match(/</g) || []).length === (extractedXml.match(/>/g) || []).length
};
tools.log(` XML Integrity Checks:`);
tools.log(` Has XML Declaration: ${integrityChecks.hasXmlDeclaration}`);
tools.log(` Has Root Element: ${integrityChecks.hasRootElement}`);
tools.log(` Has Closing Tags: ${integrityChecks.hasClosingTags}`);
tools.log(` Tags Balanced: ${integrityChecks.isBalanced}`);
if (Object.values(integrityChecks).every(check => check === true)) {
tools.log(`${attachmentTest.name}: XML integrity maintained`);
} else {
tools.log(`${attachmentTest.name}: XML integrity issues detected`);
}
}
} else {
tools.log(`${attachmentTest.name}: No XML extracted`);
}
} catch (extractionError) {
tools.log(`${attachmentTest.name} extraction failed: ${extractionError.message.substring(0, 80)}...`);
// Verify error contains useful information
expect(extractionError.message).toBeTruthy();
// Check if error suggests recovery options
const errorMessage = extractionError.message.toLowerCase();
if (errorMessage.includes('corrupt') ||
errorMessage.includes('malformed') ||
errorMessage.includes('damaged')) {
tools.log(` ✓ Error message indicates corruption: helpful for debugging`);
}
}
}
} catch (error) {
tools.log(`Attachment corruption test failed: ${error.message}`);
throw error;
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-corrupted-attachment', duration);
});
tap.test('PDF-09: Corrupted PDF Recovery - Error Reporting Quality', async (tools) => {
const startTime = Date.now();
// Test quality of error reporting for corrupted PDFs
const errorReportingTests = [
{
name: 'Completely Invalid File',
content: 'This is definitely not a PDF file at all',
expectedErrorTypes: ['format', 'invalid', 'not-pdf']
},
{
name: 'Binary Garbage',
content: Buffer.from([0x00, 0xFF, 0xAB, 0xCD, 0xEF, 0x12, 0x34, 0x56]),
expectedErrorTypes: ['binary', 'corrupt', 'invalid']
},
{
name: 'Partial PDF Header',
content: '%PDF-1.4\n%âãÏÓ\n1 0 obj\n<< >>\nendobj\n',
expectedErrorTypes: ['incomplete', 'truncated', 'structure']
}
];
for (const errorTest of errorReportingTests) {
tools.log(`Testing error reporting for: ${errorTest.name}`);
const corruptedPath = plugins.path.join(process.cwd(), '.nogit', `error-${errorTest.name.toLowerCase().replace(/\s+/g, '-')}.pdf`);
await plugins.fs.ensureDir(plugins.path.dirname(corruptedPath));
try {
// Create corrupted file
if (Buffer.isBuffer(errorTest.content)) {
await plugins.fs.writeFile(corruptedPath, errorTest.content);
} else {
await plugins.fs.writeFile(corruptedPath, errorTest.content, 'binary');
}
const invoice = new EInvoice();
try {
await invoice.fromFile(corruptedPath);
tools.log(` ⚠ Expected error for ${errorTest.name} but operation succeeded`);
} catch (extractionError) {
tools.log(` ✓ Error caught for ${errorTest.name}`);
tools.log(` Error message: ${extractionError.message}`);
// Analyze error message quality
const errorMessage = extractionError.message.toLowerCase();
const messageQuality = {
isDescriptive: extractionError.message.length > 20,
containsFileInfo: errorMessage.includes('pdf') || errorMessage.includes('file'),
containsErrorType: errorTest.expectedErrorTypes.some(type => errorMessage.includes(type)),
isActionable: errorMessage.includes('check') ||
errorMessage.includes('verify') ||
errorMessage.includes('ensure') ||
errorMessage.includes('corrupt')
};
tools.log(` Message Quality Analysis:`);
tools.log(` Descriptive (>20 chars): ${messageQuality.isDescriptive}`);
tools.log(` Contains file info: ${messageQuality.containsFileInfo}`);
tools.log(` Contains error type: ${messageQuality.containsErrorType}`);
tools.log(` Is actionable: ${messageQuality.isActionable}`);
// Error message should be helpful
expect(messageQuality.isDescriptive).toBe(true);
if (messageQuality.containsFileInfo && messageQuality.isActionable) {
tools.log(` ✓ High quality error message`);
} else {
tools.log(` ⚠ Error message could be more helpful`);
}
// Check error object properties
if (extractionError.code) {
tools.log(` Error code: ${extractionError.code}`);
}
if (extractionError.path) {
tools.log(` Error path: ${extractionError.path}`);
}
}
} finally {
// Clean up
try {
await plugins.fs.remove(corruptedPath);
} catch (cleanupError) {
// Ignore cleanup errors
}
}
}
const duration = Date.now() - startTime;
PerformanceTracker.recordMetric('pdf-corrupted-error-reporting', duration);
});
tap.test('PDF-09: Performance Summary', async (tools) => {
const operations = [
'pdf-corrupted-truncated',
'pdf-corrupted-header',
'pdf-corrupted-random',
'pdf-corrupted-structural',
'pdf-corrupted-attachment',
'pdf-corrupted-error-reporting'
];
tools.log(`\n=== Corrupted PDF Recovery Performance Summary ===`);
for (const operation of operations) {
const summary = await PerformanceTracker.getSummary(operation);
if (summary) {
tools.log(`${operation}:`);
tools.log(` avg=${summary.average}ms, min=${summary.min}ms, max=${summary.max}ms, p95=${summary.p95}ms`);
}
}
tools.log(`\nCorrupted PDF recovery testing completed.`);
tools.log(`Note: Most corruption tests expect failures - this is normal and indicates proper error handling.`);
});

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@ -0,0 +1,501 @@
import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as plugins from '../plugins.js';
import { EInvoice } from '../../../ts/index.js';
import { CorpusLoader } from '../corpus.loader.js';
import { PerformanceTracker } from '../performance.tracker.js';
tap.test('PDF-10: PDF Signature Validation - should validate digital signatures in PDFs', async (t) => {
// PDF-10: Verify digital signature validation and preservation
// This test ensures signed PDFs are handled correctly
const performanceTracker = new PerformanceTracker('PDF-10: PDF Signature Validation');
const corpusLoader = new CorpusLoader();
t.test('Detect signed PDFs', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Create a PDF that simulates signature structure
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage([595, 842]);
page.drawText('Digitally Signed Invoice', {
x: 50,
y: 750,
size: 20
});
// Add signature placeholder
page.drawRectangle({
x: 400,
y: 50,
width: 150,
height: 75,
borderColor: { red: 0, green: 0, blue: 0 },
borderWidth: 1
});
page.drawText('Digital Signature', {
x: 420,
y: 85,
size: 10
});
page.drawText('[Signed Document]', {
x: 420,
y: 65,
size: 8
});
// Add invoice XML
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>SIGNED-001</ID>
<IssueDate>2025-01-25</IssueDate>
<DocumentCurrencyCode>EUR</DocumentCurrencyCode>
<DigitalSignatureAttachment>
<ExternalReference>
<URI>signature.p7s</URI>
<DocumentHash>SHA256:abc123...</DocumentHash>
</ExternalReference>
</DigitalSignatureAttachment>
</Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{
mimeType: 'application/xml',
description: 'Signed invoice data'
}
);
// Note: pdf-lib doesn't support actual digital signatures
// Real signature would require specialized libraries
const pdfBytes = await pdfDoc.save();
// Test signature detection
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
console.log('Created PDF with signature placeholder');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('detect-signed', elapsed);
});
t.test('Signature metadata structure', async () => {
const startTime = performance.now();
// Simulate signature metadata that might be found in signed PDFs
const signatureMetadata = {
signer: {
name: 'John Doe',
email: 'john.doe@company.com',
organization: 'ACME Corporation',
organizationUnit: 'Finance Department'
},
certificate: {
issuer: 'GlobalSign CA',
serialNumber: '01:23:45:67:89:AB:CD:EF',
validFrom: '2024-01-01T00:00:00Z',
validTo: '2026-01-01T00:00:00Z',
algorithm: 'SHA256withRSA'
},
timestamp: {
time: '2025-01-25T10:30:00Z',
authority: 'GlobalSign TSA',
hash: 'SHA256'
},
signatureDetails: {
reason: 'Invoice Approval',
location: 'Munich, Germany',
contactInfo: '+49 89 12345678'
}
};
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// Add metadata as document properties
pdfDoc.setTitle('Signed Invoice 2025-001');
pdfDoc.setAuthor(signatureMetadata.signer.name);
pdfDoc.setSubject(`Signed by ${signatureMetadata.signer.organization}`);
pdfDoc.setKeywords(['signed', 'verified', 'invoice']);
pdfDoc.setCreator('EInvoice Signature System');
const page = pdfDoc.addPage();
page.drawText('Invoice with Signature Metadata', { x: 50, y: 750, size: 18 });
// Display signature info on page
let yPosition = 650;
page.drawText('Digital Signature Information:', { x: 50, y: yPosition, size: 14 });
yPosition -= 30;
page.drawText(`Signed by: ${signatureMetadata.signer.name}`, { x: 70, y: yPosition, size: 10 });
yPosition -= 20;
page.drawText(`Organization: ${signatureMetadata.signer.organization}`, { x: 70, y: yPosition, size: 10 });
yPosition -= 20;
page.drawText(`Date: ${signatureMetadata.timestamp.time}`, { x: 70, y: yPosition, size: 10 });
yPosition -= 20;
page.drawText(`Certificate: ${signatureMetadata.certificate.issuer}`, { x: 70, y: yPosition, size: 10 });
yPosition -= 20;
page.drawText(`Reason: ${signatureMetadata.signatureDetails.reason}`, { x: 70, y: yPosition, size: 10 });
const pdfBytes = await pdfDoc.save();
console.log('Created PDF with signature metadata structure');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('signature-metadata', elapsed);
});
t.test('Multiple signatures handling', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
page.drawText('Multi-Signature Invoice', { x: 50, y: 750, size: 20 });
// Simulate multiple signature fields
const signatures = [
{
name: 'Creator Signature',
signer: 'Invoice System',
date: '2025-01-25T09:00:00Z',
position: { x: 50, y: 150 }
},
{
name: 'Approval Signature',
signer: 'Finance Manager',
date: '2025-01-25T10:00:00Z',
position: { x: 220, y: 150 }
},
{
name: 'Verification Signature',
signer: 'Auditor',
date: '2025-01-25T11:00:00Z',
position: { x: 390, y: 150 }
}
];
// Draw signature boxes
signatures.forEach(sig => {
page.drawRectangle({
x: sig.position.x,
y: sig.position.y,
width: 150,
height: 80,
borderColor: { red: 0, green: 0, blue: 0 },
borderWidth: 1
});
page.drawText(sig.name, {
x: sig.position.x + 10,
y: sig.position.y + 60,
size: 10
});
page.drawText(sig.signer, {
x: sig.position.x + 10,
y: sig.position.y + 40,
size: 8
});
page.drawText(sig.date, {
x: sig.position.x + 10,
y: sig.position.y + 20,
size: 8
});
});
// Add invoice with signature references
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>MULTI-SIG-001</ID>
<Signature>
<ID>SIG-1</ID>
<SignatoryParty>
<PartyName><Name>Invoice System</Name></PartyName>
</SignatoryParty>
</Signature>
<Signature>
<ID>SIG-2</ID>
<SignatoryParty>
<PartyName><Name>Finance Manager</Name></PartyName>
</SignatoryParty>
</Signature>
<Signature>
<ID>SIG-3</ID>
<SignatoryParty>
<PartyName><Name>Auditor</Name></PartyName>
</SignatoryParty>
</Signature>
</Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{ mimeType: 'application/xml' }
);
const pdfBytes = await pdfDoc.save();
console.log('Created PDF with multiple signature placeholders');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('multiple-signatures', elapsed);
});
t.test('Signature validation status', async () => {
const startTime = performance.now();
// Simulate different signature validation statuses
const validationStatuses = [
{ status: 'VALID', color: { red: 0, green: 0.5, blue: 0 }, message: 'Signature Valid' },
{ status: 'INVALID', color: { red: 0.8, green: 0, blue: 0 }, message: 'Signature Invalid' },
{ status: 'UNKNOWN', color: { red: 0.5, green: 0.5, blue: 0 }, message: 'Signature Unknown' },
{ status: 'EXPIRED', color: { red: 0.8, green: 0.4, blue: 0 }, message: 'Certificate Expired' }
];
const { PDFDocument } = plugins;
for (const valStatus of validationStatuses) {
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
page.drawText(`Invoice - Signature ${valStatus.status}`, {
x: 50,
y: 750,
size: 20
});
// Draw status indicator
page.drawRectangle({
x: 450,
y: 740,
width: 100,
height: 30,
color: valStatus.color,
borderColor: { red: 0, green: 0, blue: 0 },
borderWidth: 1
});
page.drawText(valStatus.message, {
x: 460,
y: 750,
size: 10,
color: { red: 1, green: 1, blue: 1 }
});
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice>
<ID>SIG-${valStatus.status}</ID>
<SignatureValidation>
<Status>${valStatus.status}</Status>
<Message>${valStatus.message}</Message>
</SignatureValidation>
</Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{ mimeType: 'application/xml' }
);
const pdfBytes = await pdfDoc.save();
console.log(`Created PDF with signature status: ${valStatus.status}`);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('validation-status', elapsed);
});
t.test('Signature preservation during operations', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Create original "signed" PDF
const originalPdf = await PDFDocument.create();
originalPdf.setTitle('Original Signed Document');
originalPdf.setAuthor('Original Signer');
originalPdf.setSubject('This document has been digitally signed');
const page = originalPdf.addPage();
page.drawText('Original Signed Invoice', { x: 50, y: 750, size: 20 });
// Add signature visual
page.drawRectangle({
x: 400,
y: 50,
width: 150,
height: 75,
borderColor: { red: 0, green: 0.5, blue: 0 },
borderWidth: 2
});
page.drawText('✓ Digitally Signed', {
x: 420,
y: 85,
size: 12,
color: { red: 0, green: 0.5, blue: 0 }
});
const originalBytes = await originalPdf.save();
// Process through EInvoice
const einvoice = new EInvoice();
// Add new XML while preserving signature
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice>
<ID>PRESERVE-SIG-001</ID>
<Note>Added to signed document</Note>
</Invoice>`;
try {
await einvoice.loadFromPdfBuffer(originalBytes);
// In a real implementation, this would need to preserve signatures
console.log('Note: Adding content to signed PDFs typically invalidates signatures');
console.log('Incremental updates would be needed to preserve signature validity');
} catch (error) {
console.log('Signature preservation challenge:', error.message);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('signature-preservation', elapsed);
});
t.test('Timestamp validation', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
page.drawText('Time-stamped Invoice', { x: 50, y: 750, size: 20 });
// Simulate timestamp information
const timestamps = [
{
type: 'Document Creation',
time: '2025-01-25T09:00:00Z',
authority: 'Internal TSA'
},
{
type: 'Signature Timestamp',
time: '2025-01-25T10:30:00Z',
authority: 'Qualified TSA Provider'
},
{
type: 'Archive Timestamp',
time: '2025-01-25T11:00:00Z',
authority: 'Long-term Archive TSA'
}
];
let yPos = 650;
page.drawText('Timestamp Information:', { x: 50, y: yPos, size: 14 });
timestamps.forEach(ts => {
yPos -= 30;
page.drawText(`${ts.type}:`, { x: 70, y: yPos, size: 10 });
yPos -= 20;
page.drawText(`Time: ${ts.time}`, { x: 90, y: yPos, size: 9 });
yPos -= 15;
page.drawText(`TSA: ${ts.authority}`, { x: 90, y: yPos, size: 9 });
});
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice>
<ID>TIMESTAMP-001</ID>
<Timestamps>
${timestamps.map(ts => `
<Timestamp type="${ts.type}">
<Time>${ts.time}</Time>
<Authority>${ts.authority}</Authority>
</Timestamp>`).join('')}
</Timestamps>
</Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{ mimeType: 'application/xml' }
);
const pdfBytes = await pdfDoc.save();
console.log('Created PDF with timestamp information');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('timestamp-validation', elapsed);
});
t.test('Corpus signed PDF detection', async () => {
const startTime = performance.now();
let signedCount = 0;
let processedCount = 0;
const signatureIndicators: string[] = [];
const files = await corpusLoader.getAllFiles();
const pdfFiles = files.filter(f => f.endsWith('.pdf'));
// Check PDFs for signature indicators
const sampleSize = Math.min(50, pdfFiles.length);
const sample = pdfFiles.slice(0, sampleSize);
for (const file of sample) {
try {
const content = await corpusLoader.readFile(file);
// Look for signature indicators in PDF content
const pdfString = content.toString('binary');
const indicators = [
'/Type /Sig',
'/ByteRange',
'/SubFilter',
'/adbe.pkcs7',
'/ETSI.CAdES',
'SignatureField',
'DigitalSignature'
];
let hasSignature = false;
for (const indicator of indicators) {
if (pdfString.includes(indicator)) {
hasSignature = true;
if (!signatureIndicators.includes(indicator)) {
signatureIndicators.push(indicator);
}
break;
}
}
if (hasSignature) {
signedCount++;
console.log(`Potential signed PDF: ${file}`);
}
processedCount++;
} catch (error) {
console.log(`Error checking ${file}:`, error.message);
}
}
console.log(`Corpus signature analysis (${processedCount} PDFs):`);
console.log(`- PDFs with signature indicators: ${signedCount}`);
console.log('Signature indicators found:', signatureIndicators);
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('corpus-signed-pdfs', elapsed);
});
// Print performance summary
performanceTracker.printSummary();
// Performance assertions
const avgTime = performanceTracker.getAverageTime();
expect(avgTime).toBeLessThan(300); // Signature operations should be reasonably fast
});
tap.start();

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@ -0,0 +1,535 @@
import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as plugins from '../plugins.js';
import { EInvoice } from '../../../ts/index.js';
import { CorpusLoader } from '../corpus.loader.js';
import { PerformanceTracker } from '../performance.tracker.js';
tap.test('PDF-11: PDF/A Compliance - should ensure PDF/A standard compliance', async (t) => {
// PDF-11: Verify PDF/A compliance for long-term archiving
// This test ensures PDFs meet PDF/A standards for electronic invoicing
const performanceTracker = new PerformanceTracker('PDF-11: PDF/A Compliance');
const corpusLoader = new CorpusLoader();
t.test('Create PDF/A-3 compliant document', async () => {
const startTime = performance.now();
const { PDFDocument, PDFName } = plugins;
const pdfDoc = await PDFDocument.create();
// PDF/A-3 allows embedded files (required for ZUGFeRD/Factur-X)
// Set PDF/A identification
pdfDoc.setTitle('PDF/A-3 Compliant Invoice');
pdfDoc.setAuthor('EInvoice System');
pdfDoc.setSubject('Electronic Invoice with embedded XML');
pdfDoc.setKeywords(['PDF/A-3', 'ZUGFeRD', 'Factur-X', 'invoice']);
pdfDoc.setCreator('EInvoice PDF/A Generator');
pdfDoc.setProducer('PDFLib with PDF/A-3 compliance');
// Add required metadata for PDF/A
const creationDate = new Date('2025-01-25T10:00:00Z');
const modDate = new Date('2025-01-25T10:00:00Z');
pdfDoc.setCreationDate(creationDate);
pdfDoc.setModificationDate(modDate);
// Create page with required elements for PDF/A
const page = pdfDoc.addPage([595, 842]); // A4
// Use embedded fonts (required for PDF/A)
const helveticaFont = await pdfDoc.embedFont('Helvetica');
// Add content
page.drawText('PDF/A-3 Compliant Invoice', {
x: 50,
y: 750,
size: 20,
font: helveticaFont
});
page.drawText('Invoice Number: INV-2025-001', {
x: 50,
y: 700,
size: 12,
font: helveticaFont
});
page.drawText('This document complies with PDF/A-3 standard', {
x: 50,
y: 650,
size: 10,
font: helveticaFont
});
// Add required OutputIntent for PDF/A
// Note: pdf-lib doesn't directly support OutputIntent
// In production, a specialized library would be needed
// Embed invoice XML (allowed in PDF/A-3)
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<rsm:CrossIndustryInvoice xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100">
<rsm:ExchangedDocument>
<ram:ID xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100">INV-2025-001</ram:ID>
<ram:TypeCode xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100">380</ram:TypeCode>
<ram:IssueDateTime xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100">
<udt:DateTimeString xmlns:udt="urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100" format="102">20250125</udt:DateTimeString>
</ram:IssueDateTime>
</rsm:ExchangedDocument>
</rsm:CrossIndustryInvoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{
mimeType: 'application/xml',
description: 'ZUGFeRD invoice data',
afRelationship: plugins.AFRelationship.Data,
creationDate: creationDate,
modificationDate: modDate
}
);
const pdfBytes = await pdfDoc.save();
// Verify basic structure
expect(pdfBytes.length).toBeGreaterThan(0);
console.log('Created PDF/A-3 structure (full compliance requires specialized tools)');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('pdfa3-creation', elapsed);
});
t.test('PDF/A-1b compliance check', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// PDF/A-1b: Basic compliance (visual appearance preservation)
pdfDoc.setTitle('PDF/A-1b Test Document');
pdfDoc.setCreationDate(new Date());
const page = pdfDoc.addPage();
// PDF/A-1b requirements:
// - All fonts must be embedded
// - No transparency
// - No JavaScript
// - No audio/video
// - No encryption
// - Proper color space definition
const helveticaFont = await pdfDoc.embedFont('Helvetica');
page.drawText('PDF/A-1b Compliant Document', {
x: 50,
y: 750,
size: 16,
font: helveticaFont,
color: { red: 0, green: 0, blue: 0 } // RGB color space
});
// Add text without transparency
page.drawText('No transparency allowed in PDF/A-1b', {
x: 50,
y: 700,
size: 12,
font: helveticaFont,
color: { red: 0, green: 0, blue: 0 },
opacity: 1.0 // Full opacity required
});
// Draw rectangle without transparency
page.drawRectangle({
x: 50,
y: 600,
width: 200,
height: 50,
color: { red: 0.9, green: 0.9, blue: 0.9 },
borderColor: { red: 0, green: 0, blue: 0 },
borderWidth: 1,
opacity: 1.0
});
const pdfBytes = await pdfDoc.save();
// Check for PDF/A-1b violations
const pdfString = pdfBytes.toString('binary');
// Check for prohibited features
const violations = [];
if (pdfString.includes('/JS')) violations.push('JavaScript detected');
if (pdfString.includes('/Launch')) violations.push('External launch action detected');
if (pdfString.includes('/Sound')) violations.push('Sound annotation detected');
if (pdfString.includes('/Movie')) violations.push('Movie annotation detected');
if (pdfString.includes('/Encrypt')) violations.push('Encryption detected');
console.log('PDF/A-1b compliance check:');
if (violations.length === 0) {
console.log('No obvious violations detected');
} else {
console.log('Potential violations:', violations);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('pdfa1b-compliance', elapsed);
});
t.test('PDF/A metadata requirements', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// Required XMP metadata for PDF/A
const xmpMetadata = `<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:about=""
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:pdfaid="http://www.aiim.org/pdfa/ns/id/"
xmlns:xmp="http://ns.adobe.com/xap/1.0/"
xmlns:pdf="http://ns.adobe.com/pdf/1.3/">
<dc:title>
<rdf:Alt>
<rdf:li xml:lang="x-default">PDF/A Compliant Invoice</rdf:li>
</rdf:Alt>
</dc:title>
<dc:creator>
<rdf:Seq>
<rdf:li>EInvoice System</rdf:li>
</rdf:Seq>
</dc:creator>
<dc:description>
<rdf:Alt>
<rdf:li xml:lang="x-default">Invoice with PDF/A compliance</rdf:li>
</rdf:Alt>
</dc:description>
<pdfaid:part>3</pdfaid:part>
<pdfaid:conformance>B</pdfaid:conformance>
<xmp:CreateDate>2025-01-25T10:00:00Z</xmp:CreateDate>
<xmp:ModifyDate>2025-01-25T10:00:00Z</xmp:ModifyDate>
<xmp:MetadataDate>2025-01-25T10:00:00Z</xmp:MetadataDate>
<pdf:Producer>EInvoice PDF/A Generator</pdf:Producer>
</rdf:Description>
</rdf:RDF>
</x:xmpmeta>
<?xpacket end="w"?>`;
// Set standard metadata
pdfDoc.setTitle('PDF/A Compliant Invoice');
pdfDoc.setAuthor('EInvoice System');
pdfDoc.setSubject('Invoice with PDF/A compliance');
pdfDoc.setKeywords(['PDF/A', 'invoice', 'compliant']);
const page = pdfDoc.addPage();
page.drawText('Document with PDF/A Metadata', { x: 50, y: 750, size: 16 });
// Note: pdf-lib doesn't support direct XMP metadata embedding
// This would require post-processing or a specialized library
console.log('PDF/A metadata structure defined (requires specialized tools for embedding)');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('pdfa-metadata', elapsed);
});
t.test('Color space compliance', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
const page = pdfDoc.addPage();
// PDF/A requires proper color space definitions
// Test different color spaces
// Device RGB (most common for screen display)
page.drawText('Device RGB Color Space', {
x: 50,
y: 750,
size: 14,
color: { red: 0.8, green: 0.2, blue: 0.2 }
});
// Grayscale
page.drawText('Device Gray Color Space', {
x: 50,
y: 700,
size: 14,
color: { red: 0.5, green: 0.5, blue: 0.5 }
});
// Test color accuracy
const colors = [
{ name: 'Pure Red', rgb: { red: 1, green: 0, blue: 0 } },
{ name: 'Pure Green', rgb: { red: 0, green: 1, blue: 0 } },
{ name: 'Pure Blue', rgb: { red: 0, green: 0, blue: 1 } },
{ name: 'Black', rgb: { red: 0, green: 0, blue: 0 } },
{ name: 'White', rgb: { red: 1, green: 1, blue: 1 } }
];
let yPos = 600;
colors.forEach(color => {
page.drawRectangle({
x: 50,
y: yPos,
width: 30,
height: 20,
color: color.rgb
});
page.drawText(color.name, {
x: 90,
y: yPos + 5,
size: 10,
color: { red: 0, green: 0, blue: 0 }
});
yPos -= 30;
});
// Add OutputIntent description
page.drawText('OutputIntent: sRGB IEC61966-2.1', {
x: 50,
y: 400,
size: 10,
color: { red: 0, green: 0, blue: 0 }
});
const pdfBytes = await pdfDoc.save();
console.log('Created PDF with color space definitions for PDF/A');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('color-space', elapsed);
});
t.test('Font embedding compliance', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
const pdfDoc = await PDFDocument.create();
// PDF/A requires all fonts to be embedded
const page = pdfDoc.addPage();
// Embed standard fonts
const helvetica = await pdfDoc.embedFont('Helvetica');
const helveticaBold = await pdfDoc.embedFont('Helvetica-Bold');
const helveticaOblique = await pdfDoc.embedFont('Helvetica-Oblique');
const timesRoman = await pdfDoc.embedFont('Times-Roman');
const courier = await pdfDoc.embedFont('Courier');
// Use embedded fonts
page.drawText('Helvetica Regular (Embedded)', {
x: 50,
y: 750,
size: 14,
font: helvetica
});
page.drawText('Helvetica Bold (Embedded)', {
x: 50,
y: 720,
size: 14,
font: helveticaBold
});
page.drawText('Helvetica Oblique (Embedded)', {
x: 50,
y: 690,
size: 14,
font: helveticaOblique
});
page.drawText('Times Roman (Embedded)', {
x: 50,
y: 660,
size: 14,
font: timesRoman
});
page.drawText('Courier (Embedded)', {
x: 50,
y: 630,
size: 14,
font: courier
});
// Test font subset embedding
page.drawText('Font Subset Test: €£¥§¶•', {
x: 50,
y: 580,
size: 14,
font: helvetica
});
const pdfBytes = await pdfDoc.save();
// Check font embedding
const pdfString = pdfBytes.toString('binary');
const fontCount = (pdfString.match(/\/Type\s*\/Font/g) || []).length;
console.log(`Embedded fonts count: ${fontCount}`);
expect(fontCount).toBeGreaterThan(0);
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('font-embedding', elapsed);
});
t.test('PDF/A-3 with ZUGFeRD attachment', async () => {
const startTime = performance.now();
const { PDFDocument, AFRelationship } = plugins;
const pdfDoc = await PDFDocument.create();
// Configure for ZUGFeRD/Factur-X compliance
pdfDoc.setTitle('ZUGFeRD Invoice PDF/A-3');
pdfDoc.setAuthor('ZUGFeRD Generator');
pdfDoc.setSubject('Electronic Invoice with embedded XML');
pdfDoc.setKeywords(['ZUGFeRD', 'PDF/A-3', 'Factur-X', 'electronic invoice']);
pdfDoc.setCreator('EInvoice ZUGFeRD Module');
const page = pdfDoc.addPage();
const helvetica = await pdfDoc.embedFont('Helvetica');
// Invoice header
page.drawText('RECHNUNG / INVOICE', {
x: 50,
y: 750,
size: 20,
font: helvetica
});
page.drawText('Rechnungsnummer / Invoice No: 2025-001', {
x: 50,
y: 700,
size: 12,
font: helvetica
});
page.drawText('Rechnungsdatum / Invoice Date: 25.01.2025', {
x: 50,
y: 680,
size: 12,
font: helvetica
});
// ZUGFeRD XML attachment
const zugferdXml = `<?xml version="1.0" encoding="UTF-8"?>
<rsm:CrossIndustryInvoice xmlns:rsm="urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100"
xmlns:ram="urn:un:unece:uncefact:data:standard:ReusableAggregateBusinessInformationEntity:100"
xmlns:udt="urn:un:unece:uncefact:data:standard:UnqualifiedDataType:100">
<rsm:ExchangedDocumentContext>
<ram:GuidelineSpecifiedDocumentContextParameter>
<ram:ID>urn:cen.eu:en16931:2017#conformant#urn:zugferd.de:2p1:extended</ram:ID>
</ram:GuidelineSpecifiedDocumentContextParameter>
</rsm:ExchangedDocumentContext>
<rsm:ExchangedDocument>
<ram:ID>2025-001</ram:ID>
<ram:TypeCode>380</ram:TypeCode>
<ram:IssueDateTime>
<udt:DateTimeString format="102">20250125</udt:DateTimeString>
</ram:IssueDateTime>
</rsm:ExchangedDocument>
</rsm:CrossIndustryInvoice>`;
// Attach with proper relationship for ZUGFeRD
await pdfDoc.attach(
Buffer.from(zugferdXml, 'utf8'),
'zugferd-invoice.xml',
{
mimeType: 'application/xml',
description: 'ZUGFeRD Invoice Data',
afRelationship: AFRelationship.Data
}
);
const pdfBytes = await pdfDoc.save();
// Test loading
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
console.log('Created PDF/A-3 compliant ZUGFeRD invoice');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('zugferd-pdfa3', elapsed);
});
t.test('Corpus PDF/A compliance check', async () => {
const startTime = performance.now();
let pdfaCount = 0;
let processedCount = 0;
const complianceIndicators = {
'PDF/A identification': 0,
'Embedded fonts': 0,
'No encryption': 0,
'Metadata present': 0,
'Color space defined': 0
};
const files = await corpusLoader.getAllFiles();
const pdfFiles = files.filter(f => f.endsWith('.pdf'));
// Sample PDFs for PDF/A compliance indicators
const sampleSize = Math.min(40, pdfFiles.length);
const sample = pdfFiles.slice(0, sampleSize);
for (const file of sample) {
try {
const content = await corpusLoader.readFile(file);
const pdfString = content.toString('binary');
// Check for PDF/A indicators
let isPdfA = false;
if (pdfString.includes('pdfaid:part') || pdfString.includes('PDF/A')) {
isPdfA = true;
complianceIndicators['PDF/A identification']++;
}
if (pdfString.includes('/Type /Font') && pdfString.includes('/FontFile')) {
complianceIndicators['Embedded fonts']++;
}
if (!pdfString.includes('/Encrypt')) {
complianceIndicators['No encryption']++;
}
if (pdfString.includes('/Metadata') || pdfString.includes('xmpmeta')) {
complianceIndicators['Metadata present']++;
}
if (pdfString.includes('/OutputIntent') || pdfString.includes('/ColorSpace')) {
complianceIndicators['Color space defined']++;
}
if (isPdfA) {
pdfaCount++;
console.log(`Potential PDF/A file: ${file}`);
}
processedCount++;
} catch (error) {
console.log(`Error checking ${file}:`, error.message);
}
}
console.log(`Corpus PDF/A analysis (${processedCount} PDFs):`);
console.log(`- Potential PDF/A files: ${pdfaCount}`);
console.log('Compliance indicators:', complianceIndicators);
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('corpus-pdfa', elapsed);
});
// Print performance summary
performanceTracker.printSummary();
// Performance assertions
const avgTime = performanceTracker.getAverageTime();
expect(avgTime).toBeLessThan(400); // PDF/A operations may take longer
});
tap.start();

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@ -0,0 +1,566 @@
import { expect, tap } from '@git.zone/tstest/tapbundle';
import * as plugins from '../plugins.js';
import { EInvoice } from '../../../ts/index.js';
import { CorpusLoader } from '../corpus.loader.js';
import { PerformanceTracker } from '../performance.tracker.js';
tap.test('PDF-12: PDF Version Compatibility - should handle different PDF versions correctly', async (t) => {
// PDF-12: Verify compatibility across different PDF versions (1.3 - 1.7)
// This test ensures the system works with various PDF specifications
const performanceTracker = new PerformanceTracker('PDF-12: PDF Version Compatibility');
const corpusLoader = new CorpusLoader();
t.test('Create PDFs with different version headers', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Test different PDF versions
const versions = [
{ version: '1.3', features: 'Basic PDF features, Acrobat 4.x compatible' },
{ version: '1.4', features: 'Transparency, Acrobat 5.x compatible' },
{ version: '1.5', features: 'Object streams, Acrobat 6.x compatible' },
{ version: '1.6', features: 'OpenType fonts, Acrobat 7.x compatible' },
{ version: '1.7', features: 'XFA forms, ISO 32000-1:2008 standard' }
];
for (const ver of versions) {
const pdfDoc = await PDFDocument.create();
// Note: pdf-lib doesn't allow direct version setting
// PDFs are typically created as 1.7 by default
pdfDoc.setTitle(`PDF Version ${ver.version} Test`);
pdfDoc.setSubject(ver.features);
const page = pdfDoc.addPage([595, 842]);
page.drawText(`PDF Version ${ver.version}`, {
x: 50,
y: 750,
size: 24
});
page.drawText(`Features: ${ver.features}`, {
x: 50,
y: 700,
size: 12
});
// Add version-specific content
if (parseFloat(ver.version) >= 1.4) {
// Transparency (PDF 1.4+)
page.drawRectangle({
x: 50,
y: 600,
width: 200,
height: 50,
color: { red: 0, green: 0, blue: 1 },
opacity: 0.5 // Transparency
});
}
// Add invoice XML
const xmlContent = `<?xml version="1.0" encoding="UTF-8"?>
<Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<ID>PDF-VER-${ver.version}</ID>
<Note>Test invoice for PDF ${ver.version}</Note>
<PDFVersion>${ver.version}</PDFVersion>
</Invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{
mimeType: 'application/xml',
description: `Invoice for PDF ${ver.version}`
}
);
const pdfBytes = await pdfDoc.save();
// Check version in output
const pdfString = pdfBytes.toString('binary').substring(0, 100);
console.log(`Created PDF (declared as ${ver.version}), header: ${pdfString.substring(0, 8)}`);
// Test processing
const einvoice = new EInvoice();
try {
await einvoice.loadFromPdfBuffer(pdfBytes);
const xml = einvoice.getXmlString();
expect(xml).toContain(`PDF-VER-${ver.version}`);
} catch (error) {
console.log(`Version ${ver.version} processing error:`, error.message);
}
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('version-creation', elapsed);
});
t.test('Feature compatibility across versions', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Test version-specific features
const featureTests = [
{
name: 'Basic Features (1.3+)',
test: async (pdfDoc: any) => {
const page = pdfDoc.addPage();
// Basic text and graphics
page.drawText('Basic Text', { x: 50, y: 700, size: 14 });
page.drawLine({
start: { x: 50, y: 680 },
end: { x: 200, y: 680 },
thickness: 1
});
}
},
{
name: 'Transparency (1.4+)',
test: async (pdfDoc: any) => {
const page = pdfDoc.addPage();
// Overlapping transparent rectangles
page.drawRectangle({
x: 50,
y: 600,
width: 100,
height: 100,
color: { red: 1, green: 0, blue: 0 },
opacity: 0.5
});
page.drawRectangle({
x: 100,
y: 650,
width: 100,
height: 100,
color: { red: 0, green: 0, blue: 1 },
opacity: 0.5
});
}
},
{
name: 'Embedded Files (1.4+)',
test: async (pdfDoc: any) => {
// Multiple embedded files
await pdfDoc.attach(
Buffer.from('<data>Primary</data>', 'utf8'),
'primary.xml',
{ mimeType: 'application/xml' }
);
await pdfDoc.attach(
Buffer.from('<data>Secondary</data>', 'utf8'),
'secondary.xml',
{ mimeType: 'application/xml' }
);
}
},
{
name: 'Unicode Support (1.5+)',
test: async (pdfDoc: any) => {
const page = pdfDoc.addPage();
page.drawText('Unicode: 中文 العربية ελληνικά', {
x: 50,
y: 600,
size: 14
});
}
}
];
for (const feature of featureTests) {
console.log(`Testing: ${feature.name}`);
const pdfDoc = await PDFDocument.create();
pdfDoc.setTitle(feature.name);
await feature.test(pdfDoc);
const pdfBytes = await pdfDoc.save();
expect(pdfBytes.length).toBeGreaterThan(0);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('feature-compatibility', elapsed);
});
t.test('Cross-version attachment compatibility', async () => {
const startTime = performance.now();
const { PDFDocument, AFRelationship } = plugins;
// Test attachment features across versions
const pdfDoc = await PDFDocument.create();
pdfDoc.setTitle('Cross-Version Attachment Test');
const page = pdfDoc.addPage();
page.drawText('PDF with Various Attachment Features', { x: 50, y: 750, size: 16 });
// Test different attachment configurations
const attachmentTests = [
{
name: 'Simple attachment (1.3+)',
file: 'simple.xml',
content: '<invoice><id>SIMPLE</id></invoice>',
options: { mimeType: 'application/xml' }
},
{
name: 'With description (1.4+)',
file: 'described.xml',
content: '<invoice><id>DESCRIBED</id></invoice>',
options: {
mimeType: 'application/xml',
description: 'Invoice with description'
}
},
{
name: 'With relationship (1.7+)',
file: 'related.xml',
content: '<invoice><id>RELATED</id></invoice>',
options: {
mimeType: 'application/xml',
description: 'Invoice with AFRelationship',
afRelationship: AFRelationship.Data
}
},
{
name: 'With dates (1.4+)',
file: 'dated.xml',
content: '<invoice><id>DATED</id></invoice>',
options: {
mimeType: 'application/xml',
description: 'Invoice with timestamps',
creationDate: new Date('2025-01-01'),
modificationDate: new Date('2025-01-25')
}
}
];
let yPos = 700;
for (const test of attachmentTests) {
await pdfDoc.attach(
Buffer.from(test.content, 'utf8'),
test.file,
test.options
);
page.drawText(`${test.name}`, { x: 70, y: yPos, size: 10 });
yPos -= 20;
}
const pdfBytes = await pdfDoc.save();
// Test extraction
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
console.log('Cross-version attachment test completed');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('attachment-compatibility', elapsed);
});
t.test('Backward compatibility', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Create PDF with only features from older versions
const pdfDoc = await PDFDocument.create();
pdfDoc.setTitle('Backward Compatible PDF');
pdfDoc.setAuthor('Legacy System');
pdfDoc.setSubject('PDF 1.3 Compatible Invoice');
const page = pdfDoc.addPage([612, 792]); // US Letter
// Use only basic features available in PDF 1.3
const helvetica = await pdfDoc.embedFont('Helvetica');
// Simple text
page.drawText('Legacy Compatible Invoice', {
x: 72,
y: 720,
size: 18,
font: helvetica,
color: { red: 0, green: 0, blue: 0 }
});
// Basic shapes without transparency
page.drawRectangle({
x: 72,
y: 600,
width: 468,
height: 100,
borderColor: { red: 0, green: 0, blue: 0 },
borderWidth: 1
});
// Simple lines
page.drawLine({
start: { x: 72, y: 650 },
end: { x: 540, y: 650 },
thickness: 1,
color: { red: 0, green: 0, blue: 0 }
});
// Basic invoice data (no advanced features)
const invoiceLines = [
'Invoice Number: 2025-001',
'Date: January 25, 2025',
'Amount: $1,234.56',
'Status: PAID'
];
let yPos = 620;
invoiceLines.forEach(line => {
page.drawText(line, {
x: 80,
y: yPos,
size: 12,
font: helvetica,
color: { red: 0, green: 0, blue: 0 }
});
yPos -= 20;
});
// Simple XML attachment
const xmlContent = `<?xml version="1.0"?>
<invoice>
<number>2025-001</number>
<date>2025-01-25</date>
<amount>1234.56</amount>
</invoice>`;
await pdfDoc.attach(
Buffer.from(xmlContent, 'utf8'),
'invoice.xml',
{ mimeType: 'text/xml' } // Basic MIME type
);
const pdfBytes = await pdfDoc.save();
// Verify it can be processed
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
console.log('Created backward compatible PDF (1.3 features only)');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('backward-compatibility', elapsed);
});
t.test('Version detection in corpus', async () => {
const startTime = performance.now();
let processedCount = 0;
const versionStats: Record<string, number> = {};
const featureStats = {
transparency: 0,
embeddedFiles: 0,
javascript: 0,
forms: 0,
compression: 0
};
const files = await corpusLoader.getAllFiles();
const pdfFiles = files.filter(f => f.endsWith('.pdf'));
// Analyze PDF versions in corpus
const sampleSize = Math.min(50, pdfFiles.length);
const sample = pdfFiles.slice(0, sampleSize);
for (const file of sample) {
try {
const content = await corpusLoader.readFile(file);
const pdfString = content.toString('binary');
// Extract PDF version from header
const versionMatch = pdfString.match(/%PDF-(\d\.\d)/);
if (versionMatch) {
const version = versionMatch[1];
versionStats[version] = (versionStats[version] || 0) + 1;
}
// Check for version-specific features
if (pdfString.includes('/Group') && pdfString.includes('/S /Transparency')) {
featureStats.transparency++;
}
if (pdfString.includes('/EmbeddedFiles')) {
featureStats.embeddedFiles++;
}
if (pdfString.includes('/JS') || pdfString.includes('/JavaScript')) {
featureStats.javascript++;
}
if (pdfString.includes('/AcroForm')) {
featureStats.forms++;
}
if (pdfString.includes('/Filter') && pdfString.includes('/FlateDecode')) {
featureStats.compression++;
}
processedCount++;
} catch (error) {
console.log(`Error analyzing ${file}:`, error.message);
}
}
console.log(`Corpus version analysis (${processedCount} PDFs):`);
console.log('PDF versions found:', versionStats);
console.log('Feature usage:', featureStats);
// Most common version
const sortedVersions = Object.entries(versionStats).sort((a, b) => b[1] - a[1]);
if (sortedVersions.length > 0) {
console.log(`Most common version: PDF ${sortedVersions[0][0]} (${sortedVersions[0][1]} files)`);
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('corpus-versions', elapsed);
});
t.test('Version upgrade scenarios', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Simulate upgrading PDF from older to newer version
console.log('Testing version upgrade scenarios:');
// Create "old" PDF (simulated)
const oldPdf = await PDFDocument.create();
oldPdf.setTitle('Old PDF (1.3 style)');
const page1 = oldPdf.addPage();
page1.drawText('Original Document', { x: 50, y: 700, size: 16 });
page1.drawText('Created with PDF 1.3 features only', { x: 50, y: 650, size: 12 });
const oldPdfBytes = await oldPdf.save();
// "Upgrade" by loading and adding new features
const upgradedPdf = await PDFDocument.load(oldPdfBytes);
upgradedPdf.setTitle('Upgraded PDF (1.7 features)');
// Add new page with modern features
const page2 = upgradedPdf.addPage();
page2.drawText('Upgraded Content', { x: 50, y: 700, size: 16 });
// Add transparency (1.4+ feature)
page2.drawRectangle({
x: 50,
y: 600,
width: 200,
height: 50,
color: { red: 0, green: 0.5, blue: 1 },
opacity: 0.7
});
// Add multiple attachments (enhanced in later versions)
await upgradedPdf.attach(
Buffer.from('<data>New attachment</data>', 'utf8'),
'new_data.xml',
{
mimeType: 'application/xml',
description: 'Added during upgrade',
afRelationship: plugins.AFRelationship.Supplement
}
);
const upgradedBytes = await upgradedPdf.save();
console.log(`Original size: ${oldPdfBytes.length} bytes`);
console.log(`Upgraded size: ${upgradedBytes.length} bytes`);
// Test both versions work
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(upgradedBytes);
console.log('Version upgrade test completed');
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('version-upgrade', elapsed);
});
t.test('Compatibility edge cases', async () => {
const startTime = performance.now();
const { PDFDocument } = plugins;
// Test edge cases that might cause compatibility issues
const edgeCases = [
{
name: 'Empty pages',
test: async () => {
const pdf = await PDFDocument.create();
pdf.addPage(); // Empty page
pdf.addPage(); // Another empty page
return pdf.save();
}
},
{
name: 'Very long text',
test: async () => {
const pdf = await PDFDocument.create();
const page = pdf.addPage();
const longText = 'Lorem ipsum '.repeat(1000);
page.drawText(longText.substring(0, 1000), { x: 50, y: 700, size: 8 });
return pdf.save();
}
},
{
name: 'Special characters in metadata',
test: async () => {
const pdf = await PDFDocument.create();
pdf.setTitle('Test™ © ® € £ ¥');
pdf.setAuthor('Müller & Associés');
pdf.setSubject('Invoice (2025) <test>');
pdf.addPage();
return pdf.save();
}
},
{
name: 'Maximum attachments',
test: async () => {
const pdf = await PDFDocument.create();
pdf.addPage();
// Add multiple small attachments
for (let i = 0; i < 10; i++) {
await pdf.attach(
Buffer.from(`<item>${i}</item>`, 'utf8'),
`file${i}.xml`,
{ mimeType: 'application/xml' }
);
}
return pdf.save();
}
}
];
for (const edgeCase of edgeCases) {
try {
console.log(`Testing edge case: ${edgeCase.name}`);
const pdfBytes = await edgeCase.test();
const einvoice = new EInvoice();
await einvoice.loadFromPdfBuffer(pdfBytes);
console.log(`${edgeCase.name} - Success`);
} catch (error) {
console.log(`${edgeCase.name} - Failed:`, error.message);
}
}
const elapsed = performance.now() - startTime;
performanceTracker.addMeasurement('edge-cases', elapsed);
});
// Print performance summary
performanceTracker.printSummary();
// Performance assertions
const avgTime = performanceTracker.getAverageTime();
expect(avgTime).toBeLessThan(500); // Version compatibility tests may vary
});
tap.start();