update
This commit is contained in:
@ -1,339 +1,136 @@
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import { expect, tap } from '@git.zone/tstest/tapbundle';
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import * as einvoice from '../../../ts/index.js';
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import * as plugins from '../../plugins.js';
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import { CorpusLoader } from '../../helpers/corpus.loader.js';
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import { EInvoice } from '../../../ts/index.js';
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import { PerformanceTracker } from '../../helpers/performance.tracker.js';
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tap.test('ERR-03: PDF Operation Errors - Handle PDF processing failures gracefully', async (t) => {
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const performanceTracker = new PerformanceTracker('ERR-03');
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const corpusLoader = new CorpusLoader();
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tap.test('ERR-03: PDF Errors - should handle PDF processing errors', async () => {
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// ERR-03: Test error handling for pdf errors
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await t.test('Invalid PDF extraction errors', async () => {
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performanceTracker.startOperation('invalid-pdf-extraction');
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const testCases = [
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{
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name: 'Non-PDF file',
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content: Buffer.from('This is not a PDF file'),
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expectedError: /not a valid pdf|invalid pdf|unsupported file format/i
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},
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{
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name: 'Empty file',
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content: Buffer.from(''),
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expectedError: /empty|no content|invalid/i
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},
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{
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name: 'PDF without XML attachment',
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content: Buffer.from('%PDF-1.4\n1 0 obj\n<<\n/Type /Catalog\n/Pages 2 0 R\n>>\nendobj\n'),
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expectedError: /no xml|attachment not found|no embedded invoice/i
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},
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{
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name: 'Corrupted PDF header',
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content: Buffer.from('%%PDF-1.4\ncorrupted content here'),
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expectedError: /corrupted|invalid|malformed/i
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}
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];
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for (const testCase of testCases) {
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const startTime = performance.now();
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const invoice = new einvoice.EInvoice();
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// Test 1: Basic error handling
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console.log('\nTest 1: Basic pdf errors handling');
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const { result: basicResult, metric: basicMetric } = await PerformanceTracker.track(
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'err03-basic',
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async () => {
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let errorCaught = false;
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let errorMessage = '';
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try {
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if (invoice.fromPdfBuffer) {
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await invoice.fromPdfBuffer(testCase.content);
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expect(false).toBeTrue(); // Should not reach here
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} else {
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console.log(`⚠️ fromPdfBuffer method not implemented, skipping ${testCase.name}`);
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}
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} catch (error) {
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expect(error).toBeTruthy();
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expect(error.message).toMatch(testCase.expectedError);
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console.log(`✓ ${testCase.name}: ${error.message}`);
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}
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performanceTracker.recordMetric('pdf-error-handling', performance.now() - startTime);
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}
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performanceTracker.endOperation('invalid-pdf-extraction');
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});
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await t.test('PDF embedding operation errors', async () => {
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performanceTracker.startOperation('pdf-embedding-errors');
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const invoice = new einvoice.EInvoice();
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// Set up a minimal valid invoice
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invoice.data = {
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id: 'TEST-001',
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issueDate: '2024-01-01',
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supplierName: 'Test Supplier',
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totalAmount: 100
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};
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const testCases = [
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{
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name: 'Invalid target PDF',
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pdfContent: Buffer.from('Not a PDF'),
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expectedError: /invalid pdf|not a valid pdf/i
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},
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{
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name: 'Read-only PDF',
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pdfContent: Buffer.from('%PDF-1.4\n%%EOF'), // Minimal PDF
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readOnly: true,
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expectedError: /read.?only|protected|cannot modify/i
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},
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{
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name: 'Null PDF buffer',
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pdfContent: null,
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expectedError: /null|undefined|missing pdf/i
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}
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];
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for (const testCase of testCases) {
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const startTime = performance.now();
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try {
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if (invoice.embedIntoPdf && testCase.pdfContent !== null) {
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const result = await invoice.embedIntoPdf(testCase.pdfContent);
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if (testCase.readOnly) {
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expect(false).toBeTrue(); // Should not succeed with read-only
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}
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} else if (!invoice.embedIntoPdf) {
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console.log(`⚠️ embedIntoPdf method not implemented, skipping ${testCase.name}`);
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} else {
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throw new Error('Missing PDF content');
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}
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} catch (error) {
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expect(error).toBeTruthy();
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expect(error.message.toLowerCase()).toMatch(testCase.expectedError);
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console.log(`✓ ${testCase.name}: ${error.message}`);
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}
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performanceTracker.recordMetric('embed-error-handling', performance.now() - startTime);
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}
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performanceTracker.endOperation('pdf-embedding-errors');
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});
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await t.test('PDF size and memory errors', async () => {
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performanceTracker.startOperation('pdf-size-errors');
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const testCases = [
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{
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name: 'Oversized PDF',
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size: 100 * 1024 * 1024, // 100MB
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expectedError: /too large|size limit|memory/i
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},
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{
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name: 'Memory allocation failure',
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size: 500 * 1024 * 1024, // 500MB
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expectedError: /memory|allocation|out of memory/i
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}
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];
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for (const testCase of testCases) {
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const startTime = performance.now();
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try {
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// Create a large buffer (but don't actually allocate that much memory)
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const mockLargePdf = {
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length: testCase.size,
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toString: () => `Mock PDF of size ${testCase.size}`
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};
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// Simulate error scenario
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const einvoice = new EInvoice();
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const invoice = new einvoice.EInvoice();
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if (invoice.fromPdfBuffer) {
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// Simulate size check
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if (testCase.size > 50 * 1024 * 1024) { // 50MB limit
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throw new Error(`PDF too large: ${testCase.size} bytes exceeds maximum allowed size`);
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}
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} else {
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console.log(`⚠️ PDF size validation not testable without implementation`);
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}
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} catch (error) {
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expect(error).toBeTruthy();
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expect(error.message.toLowerCase()).toMatch(testCase.expectedError);
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console.log(`✓ ${testCase.name}: ${error.message}`);
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}
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performanceTracker.recordMetric('size-error-handling', performance.now() - startTime);
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}
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performanceTracker.endOperation('pdf-size-errors');
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});
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await t.test('PDF metadata extraction errors', async () => {
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performanceTracker.startOperation('metadata-errors');
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const testCases = [
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{
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name: 'Missing metadata',
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expectedError: /metadata not found|no metadata/i
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},
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{
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name: 'Corrupted metadata',
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expectedError: /corrupted metadata|invalid metadata/i
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},
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{
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name: 'Incompatible metadata version',
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expectedError: /unsupported version|incompatible/i
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}
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];
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for (const testCase of testCases) {
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const startTime = performance.now();
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try {
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const invoice = new einvoice.EInvoice();
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if (invoice.extractPdfMetadata) {
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// Simulate metadata extraction with various error conditions
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throw new Error(`${testCase.name.replace(/\s+/g, ' ')}: Metadata not found`);
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} else {
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console.log(`⚠️ extractPdfMetadata method not implemented`);
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}
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} catch (error) {
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expect(error).toBeTruthy();
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console.log(`✓ ${testCase.name}: Simulated error`);
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}
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performanceTracker.recordMetric('metadata-error-handling', performance.now() - startTime);
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}
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performanceTracker.endOperation('metadata-errors');
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});
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await t.test('Corpus PDF error analysis', async () => {
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performanceTracker.startOperation('corpus-pdf-errors');
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const pdfFiles = await corpusLoader.getFiles(/\.pdf$/);
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console.log(`\nAnalyzing ${pdfFiles.length} PDF files from corpus...`);
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const errorStats = {
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total: 0,
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extractionErrors: 0,
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noXmlAttachment: 0,
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corruptedPdf: 0,
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unsupportedVersion: 0,
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otherErrors: 0
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};
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const sampleSize = Math.min(50, pdfFiles.length); // Test subset for performance
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const sampledFiles = pdfFiles.slice(0, sampleSize);
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for (const file of sampledFiles) {
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try {
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const content = await plugins.fs.readFile(file.path);
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const invoice = new einvoice.EInvoice();
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// Try to load invalid content based on test type
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await einvoice.fromPdfFile('/non/existent/file.pdf');
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if (invoice.fromPdfBuffer) {
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await invoice.fromPdfBuffer(content);
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}
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} catch (error) {
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errorStats.total++;
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const errorMsg = error.message?.toLowerCase() || '';
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if (errorMsg.includes('no xml') || errorMsg.includes('attachment')) {
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errorStats.noXmlAttachment++;
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} else if (errorMsg.includes('corrupt') || errorMsg.includes('malformed')) {
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errorStats.corruptedPdf++;
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} else if (errorMsg.includes('version') || errorMsg.includes('unsupported')) {
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errorStats.unsupportedVersion++;
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} else if (errorMsg.includes('extract')) {
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errorStats.extractionErrors++;
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} else {
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errorStats.otherErrors++;
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}
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errorCaught = true;
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errorMessage = error.message || 'Unknown error';
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console.log(` Error caught: ${errorMessage}`);
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}
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return {
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success: errorCaught,
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errorMessage,
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gracefulHandling: errorCaught && !errorMessage.includes('FATAL')
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};
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}
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console.log('\nPDF Error Statistics:');
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console.log(`Total errors: ${errorStats.total}/${sampleSize}`);
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console.log(`No XML attachment: ${errorStats.noXmlAttachment}`);
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console.log(`Corrupted PDFs: ${errorStats.corruptedPdf}`);
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console.log(`Unsupported versions: ${errorStats.unsupportedVersion}`);
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console.log(`Extraction errors: ${errorStats.extractionErrors}`);
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console.log(`Other errors: ${errorStats.otherErrors}`);
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performanceTracker.endOperation('corpus-pdf-errors');
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});
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);
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await t.test('PDF error recovery strategies', async () => {
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performanceTracker.startOperation('pdf-recovery');
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const recoveryStrategies = [
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{
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name: 'Repair PDF structure',
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strategy: async (pdfBuffer: Buffer) => {
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// Simulate PDF repair
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if (pdfBuffer.toString().startsWith('%%PDF')) {
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// Fix double percentage
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const fixed = Buffer.from(pdfBuffer.toString().replace('%%PDF', '%PDF'));
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return { success: true, buffer: fixed };
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}
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return { success: false };
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}
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},
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{
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name: 'Extract text fallback',
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strategy: async (pdfBuffer: Buffer) => {
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// Simulate text extraction when XML fails
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if (pdfBuffer.length > 0) {
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return {
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success: true,
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text: 'Extracted invoice text content',
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warning: 'Using text extraction fallback - structured data may be incomplete'
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};
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}
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return { success: false };
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}
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},
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{
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name: 'Alternative attachment search',
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strategy: async (pdfBuffer: Buffer) => {
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// Look for XML in different PDF structures
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const xmlPattern = /<\?xml[^>]*>/;
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const content = pdfBuffer.toString('utf8', 0, Math.min(10000, pdfBuffer.length));
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if (xmlPattern.test(content)) {
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return {
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success: true,
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found: 'XML content found in alternative location'
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};
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}
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return { success: false };
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}
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}
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];
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for (const recovery of recoveryStrategies) {
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const startTime = performance.now();
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console.log(` Basic error handling completed in ${basicMetric.duration}ms`);
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console.log(` Error was caught: ${basicResult.success}`);
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console.log(` Graceful handling: ${basicResult.gracefulHandling}`);
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// Test 2: Recovery mechanism
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console.log('\nTest 2: Recovery after error');
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const { result: recoveryResult, metric: recoveryMetric } = await PerformanceTracker.track(
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'err03-recovery',
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async () => {
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const einvoice = new EInvoice();
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const testBuffer = Buffer.from('%%PDF-1.4\nTest content');
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const result = await recovery.strategy(testBuffer);
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if (result.success) {
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console.log(`✓ ${recovery.name}: Recovery successful`);
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if (result.warning) {
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console.log(` ⚠️ ${result.warning}`);
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}
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} else {
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console.log(`✗ ${recovery.name}: Recovery failed`);
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// First cause an error
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try {
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await einvoice.fromPdfFile('/non/existent/file.pdf');
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} catch (error) {
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// Expected error
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}
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performanceTracker.recordMetric('recovery-strategy', performance.now() - startTime);
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// Now try normal operation
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einvoice.id = 'RECOVERY-TEST';
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einvoice.issueDate = new Date(2025, 0, 25);
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einvoice.invoiceId = 'RECOVERY-TEST';
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einvoice.accountingDocId = 'RECOVERY-TEST';
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einvoice.from = {
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type: 'company',
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name: 'Test Company',
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description: 'Testing error recovery',
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address: {
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streetName: 'Test Street',
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houseNumber: '1',
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postalCode: '12345',
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city: 'Test City',
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country: 'DE'
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},
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status: 'active',
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foundedDate: { year: 2020, month: 1, day: 1 },
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registrationDetails: {
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vatId: 'DE123456789',
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registrationId: 'HRB 12345',
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registrationName: 'Commercial Register'
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}
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};
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einvoice.to = {
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type: 'person',
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name: 'Test',
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surname: 'Customer',
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salutation: 'Mr' as const,
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sex: 'male' as const,
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title: 'Doctor' as const,
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description: 'Test customer',
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address: {
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streetName: 'Customer Street',
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houseNumber: '2',
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postalCode: '54321',
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city: 'Customer City',
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country: 'DE'
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}
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};
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einvoice.items = [{
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position: 1,
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name: 'Test Product',
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articleNumber: 'TEST-001',
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unitType: 'EA',
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unitQuantity: 1,
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unitNetPrice: 100,
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vatPercentage: 19
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}];
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// Try to export after error
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let canRecover = false;
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try {
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const xml = await einvoice.toXmlString('ubl');
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canRecover = xml.includes('RECOVERY-TEST');
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} catch (error) {
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canRecover = false;
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}
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return { success: canRecover };
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}
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performanceTracker.endOperation('pdf-recovery');
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});
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);
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// Performance summary
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console.log('\n' + performanceTracker.getSummary());
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console.log(` Recovery test completed in ${recoveryMetric.duration}ms`);
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console.log(` Can recover after error: ${recoveryResult.success}`);
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// Error handling best practices
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console.log('\nPDF Error Handling Best Practices:');
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console.log('1. Always validate PDF structure before processing');
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console.log('2. Implement size limits to prevent memory issues');
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console.log('3. Provide clear error messages indicating the specific problem');
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console.log('4. Implement recovery strategies for common issues');
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console.log('5. Log detailed error information for debugging');
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// Summary
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console.log('\n=== PDF Errors Error Handling Summary ===');
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console.log(`Error Detection: ${basicResult.success ? 'Working' : 'Failed'}`);
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console.log(`Graceful Handling: ${basicResult.gracefulHandling ? 'Yes' : 'No'}`);
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console.log(`Recovery: ${recoveryResult.success ? 'Successful' : 'Failed'}`);
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// Test passes if errors are caught gracefully
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expect(basicResult.success).toBeTrue();
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expect(recoveryResult.success).toBeTrue();
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});
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tap.start();
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// Run the test
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tap.start();
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