Add full application: receipt scanning, auth, billing, and account deletion
Brings the working codebase (Next.js app, auth system, Stripe billing, Docker/deploy config, tests, docs) into version control on top of the placeholder initial commit, and adds account self-deletion (Danger Zone in Settings, password + typed-email confirmation, cascading DB cleanup, Stripe cancellation) per GDPR right-to-erasure. Excludes local build caches, node_modules, and internal agent scratch files; .gitignore hardened to keep those out going forward. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
502
tests/e2e/challenger2_stress.test.ts
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502
tests/e2e/challenger2_stress.test.ts
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/**
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* Milestone 1 (R1): Challenger 2 Adversarial Stress Test Suite
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* Empirical verification of:
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* 1. Batch State Machine Transitions & Concurrency Stress
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* 2. Progress Bar Stage Tracking & Aggregate Mathematical Invariants
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* 3. Duplicate Detection Logic (Exact SHA-256 & Fuzzy Heuristics & Malformed Data)
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* 4. Batch Drawer Lifecycle (Queue Deduplication, Object URL Revocation, Minimized State, Cleanups)
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* 5. Dashboard & Activity Route Contract Compliance
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*/
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import { describe, test, it, expect, beforeEach } from "./runner";
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import { ProcessedReceipt } from "../../src/lib/schema/receipt";
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// Mock helper
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function createMockFile(name: string, sizeBytes: number, mimeType: string): File {
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const buffer = new Uint8Array(sizeBytes);
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const blob = new Blob([buffer], { type: mimeType });
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return new File([blob], name, { type: mimeType, lastModified: Date.now() });
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}
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interface ItemState {
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id: string;
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file: File;
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fileName: string;
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fileSizeBytes: number;
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mimeType: string;
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previewThumbnailUrl?: string;
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isPdf: boolean;
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status: "queued" | "preprocessing" | "uploading" | "extracting" | "success" | "duplicate_suspected" | "error";
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progressPercent: number;
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stageMessage: string;
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error?: string;
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receiptResult?: ProcessedReceipt;
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duplicateMatches?: any[];
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pageCount?: number;
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}
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class StressQueueEngine {
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queue: ItemState[] = [];
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activeWorkers = new Set<string>();
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maxConcurrent = 2;
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revokedUrls: string[] = [];
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processedReceipts: ProcessedReceipt[] = [];
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addFiles(incomingFiles: File[]) {
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const existingSignatures = new Set(this.queue.map((i) => `${i.fileName}_${i.fileSizeBytes}`));
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for (const file of incomingFiles) {
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if (existingSignatures.has(`${file.name}_${file.size}`)) {
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continue;
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}
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const isPdf = file.type === "application/pdf" || file.name.toLowerCase().endsWith(".pdf");
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let previewThumbnailUrl: string | undefined = undefined;
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if (!isPdf) {
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previewThumbnailUrl = `blob:http://localhost/thumb_${Math.random().toString(36).substring(2)}`;
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}
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this.queue.push({
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id: `upload_${Date.now()}_${Math.random().toString(36).substring(2, 9)}`,
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file,
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fileName: file.name || "unnamed_file",
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fileSizeBytes: file.size || 0,
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mimeType: file.type || (isPdf ? "application/pdf" : "image/jpeg"),
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previewThumbnailUrl,
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isPdf,
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status: "queued",
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progressPercent: 0,
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stageMessage: "In Warteschlange...",
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});
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existingSignatures.add(`${file.name}_${file.size}`);
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}
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}
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getStats() {
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const totalCount = this.queue.length;
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const inProgressCount = this.queue.filter((i) =>
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["queued", "preprocessing", "uploading", "extracting"].includes(i.status)
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).length;
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const successCount = this.queue.filter(
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(i) => i.status === "success" || i.status === "duplicate_suspected"
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).length;
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const errorCount = this.queue.filter((i) => i.status === "error").length;
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const aggregatePercent =
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totalCount === 0
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? 0
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: Math.round(
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this.queue.reduce((acc, curr) => acc + (curr.progressPercent || 0), 0) / totalCount
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);
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return { totalCount, inProgressCount, successCount, errorCount, aggregatePercent };
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}
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async processQueueItem(
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itemId: string,
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mockScanHandler: (file: File) => Promise<{
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success: boolean;
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receipts?: ProcessedReceipt[];
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receipt?: ProcessedReceipt;
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error?: string;
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pageCount?: number;
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}>
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) {
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const currentItem = this.queue.find((i) => i.id === itemId);
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if (!currentItem) {
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this.activeWorkers.delete(itemId);
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return;
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}
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const MAX_FILE_SIZE_BYTES = 10 * 1024 * 1024;
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if (currentItem.fileSizeBytes > MAX_FILE_SIZE_BYTES) {
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currentItem.status = "error";
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currentItem.progressPercent = 100;
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currentItem.stageMessage = "Datei zu groß";
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currentItem.error = "File exceeds the maximum limit of 10.00 MB.";
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this.activeWorkers.delete(itemId);
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return;
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}
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// Preprocessing
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currentItem.status = "preprocessing";
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currentItem.progressPercent = 25;
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currentItem.stageMessage = "Vorbereitung & Prüfung...";
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try {
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// Uploading
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currentItem.status = "uploading";
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currentItem.progressPercent = 50;
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currentItem.stageMessage = "Wird hochgeladen...";
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// Extracting
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currentItem.status = "extracting";
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currentItem.progressPercent = 75;
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currentItem.stageMessage = "KI-Vision & Mathe-Prüfung...";
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const data = await mockScanHandler(currentItem.file);
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if (!data.success) {
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throw new Error(data.error || "Serverfehler bei der Belegverarbeitung");
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}
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const extractedReceipts = data.receipts || (data.receipt ? [data.receipt] : []);
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if (extractedReceipts.length === 0) {
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throw new Error("No receipt data extracted from this file");
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}
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for (const r of extractedReceipts) {
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this.processedReceipts.push(r);
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}
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currentItem.status = "success";
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currentItem.progressPercent = 100;
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currentItem.stageMessage =
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data.pageCount && data.pageCount > 1
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? `${data.pageCount} Seiten erfasst`
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: "Ready";
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currentItem.receiptResult = extractedReceipts[0];
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currentItem.pageCount = data.pageCount || 1;
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} catch (err: any) {
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currentItem.status = "error";
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currentItem.progressPercent = 100;
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currentItem.stageMessage = "Fehlgeschlagen";
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currentItem.error = err.message || "Processing failed";
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} finally {
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this.activeWorkers.delete(itemId);
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}
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}
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async runScheduler(
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mockScanHandler: (file: File) => Promise<{
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success: boolean;
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receipts?: ProcessedReceipt[];
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receipt?: ProcessedReceipt;
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error?: string;
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pageCount?: number;
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}>
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) {
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while (true) {
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const queuedItems = this.queue.filter((item) => item.status === "queued");
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if (queuedItems.length === 0 && this.activeWorkers.size === 0) break;
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const availableSlots = this.maxConcurrent - this.activeWorkers.size;
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if (availableSlots <= 0 || queuedItems.length === 0) {
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if (this.activeWorkers.size === 0 && queuedItems.length === 0) break;
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// Wait briefly for worker slot
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await new Promise((res) => setTimeout(res, 2));
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continue;
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}
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const nextBatch = queuedItems.slice(0, availableSlots);
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for (const item of nextBatch) {
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this.activeWorkers.add(item.id);
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}
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await Promise.all(nextBatch.map((item) => this.processQueueItem(item.id, mockScanHandler)));
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}
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}
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retryItem(itemId: string) {
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const item = this.queue.find((i) => i.id === itemId);
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if (item) {
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item.status = "queued";
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item.progressPercent = 0;
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item.error = undefined;
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item.stageMessage = "In Warteschlange...";
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}
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}
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removeItem(itemId: string) {
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this.activeWorkers.delete(itemId);
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const target = this.queue.find((i) => i.id === itemId);
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if (target?.previewThumbnailUrl) {
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this.revokedUrls.push(target.previewThumbnailUrl);
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}
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this.queue = this.queue.filter((i) => i.id !== itemId);
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}
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clearCompleted() {
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this.queue = this.queue.filter((item) => {
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if (item.status === "success") {
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if (item.previewThumbnailUrl) {
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this.revokedUrls.push(item.previewThumbnailUrl);
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}
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return false;
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}
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return true;
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});
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}
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}
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describe("Milestone 1 Challenger 2: Adversarial & Boundary Stress Tests", () => {
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let engine: StressQueueEngine;
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beforeEach(() => {
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engine = new StressQueueEngine();
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});
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test("ADV-M1.1: Concurrency saturation with 50 files drains completely without worker starvation or deadlock", async () => {
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const files: File[] = [];
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for (let i = 0; i < 50; i++) {
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files.push(createMockFile(`batch_file_${i}.jpg`, 50000 + i * 100, "image/jpeg"));
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}
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engine.addFiles(files);
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expect(engine.queue).toHaveLength(50);
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let processedCount = 0;
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await engine.runScheduler(async (file) => {
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processedCount++;
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return {
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success: true,
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receipt: {
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id: `rcpt-${file.name}`,
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merchant: { name: `Merchant-${file.name}`, address: null, taxId: null, confidence: 0.95 },
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date: { isoDate: "2026-08-15", time: "12:00", confidence: 0.95 },
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documentType: "KASSENBON",
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receiptNumber: "BON-001",
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currency: "EUR",
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totalAmount: { value: 10 + processedCount, confidence: 0.99 },
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netAmount: 8.40 + processedCount,
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taxBreakdown: [{ ratePercent: 19, taxAmount: 1.60, netAmount: 8.40 + processedCount }],
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lineItems: [{ description: "Item 1", quantity: 1, price: 10 + processedCount, unitPrice: null, taxRate: 19 }],
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suggestedCategory: "Sonstiges",
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validation: { isMathValid: true, isDuplicateSuspected: false, needsUserReview: false, reviewField: "none", reviewReason: null },
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imageHash: `hash-${file.name}`,
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originalFileName: file.name,
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fileSizeBytes: file.size,
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createdAt: "2026-08-15T12:00:00Z",
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updatedAt: "2026-08-15T12:00:00Z",
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status: "ready",
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},
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};
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});
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const stats = engine.getStats();
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expect(stats.totalCount).toBe(50);
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expect(stats.successCount).toBe(50);
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expect(stats.errorCount).toBe(0);
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expect(stats.inProgressCount).toBe(0);
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expect(stats.aggregatePercent).toBe(100);
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expect(engine.activeWorkers.size).toBe(0);
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expect(engine.processedReceipts).toHaveLength(50);
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});
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test("ADV-M1.2: Boundary file size tests: exactly 10MB passes pre-flight, 10MB + 1 byte fails with error", async () => {
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const exact10MB = createMockFile("exact_10mb.jpg", 10 * 1024 * 1024, "image/jpeg");
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const over10MB = createMockFile("over_10mb.jpg", 10 * 1024 * 1024 + 1, "image/jpeg");
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engine.addFiles([exact10MB, over10MB]);
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await engine.runScheduler(async (file) => {
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return {
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success: true,
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receipt: {
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id: `rcpt-${file.name}`,
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merchant: { name: "Test", address: null, taxId: null, confidence: 0.95 },
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date: { isoDate: "2026-08-15", time: null, confidence: 0.95 },
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documentType: "KASSENBON",
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receiptNumber: null,
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currency: "EUR",
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totalAmount: { value: 10, confidence: 0.99 },
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netAmount: 8.40,
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taxBreakdown: [{ ratePercent: 19, taxAmount: 1.60, netAmount: 8.40 }],
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lineItems: [],
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suggestedCategory: "Sonstiges",
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validation: { isMathValid: true, isDuplicateSuspected: false, needsUserReview: false, reviewField: "none", reviewReason: null },
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imageHash: `hash-${file.name}`,
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originalFileName: file.name,
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fileSizeBytes: file.size,
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createdAt: "2026-08-15T12:00:00Z",
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updatedAt: "2026-08-15T12:00:00Z",
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status: "ready",
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},
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};
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});
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const item1 = engine.queue.find((i) => i.fileName === "exact_10mb.jpg");
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expect(item1?.status).toBe("success");
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expect(item1?.error).toBeUndefined();
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const item2 = engine.queue.find((i) => i.fileName === "over_10mb.jpg");
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expect(item2?.status).toBe("error");
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expect(item2?.error).toContain("10.00 MB");
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});
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test("ADV-M1.3: Aggregate progress calculation invariant: handles empty queue, partial progress, and all-failed states", () => {
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// Empty queue
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expect(engine.getStats().aggregatePercent).toBe(0);
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// Single item in queued
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const file1 = createMockFile("test1.jpg", 1000, "image/jpeg");
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engine.addFiles([file1]);
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expect(engine.getStats().aggregatePercent).toBe(0);
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// Manually test step increments
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engine.queue[0].progressPercent = 25;
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expect(engine.getStats().aggregatePercent).toBe(25);
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engine.queue[0].progressPercent = 50;
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expect(engine.getStats().aggregatePercent).toBe(50);
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engine.queue[0].progressPercent = 75;
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expect(engine.getStats().aggregatePercent).toBe(75);
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// Add second item at 0% -> (75 + 0) / 2 = 37.5 -> rounded to 38%
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const file2 = createMockFile("test2.jpg", 2000, "image/jpeg");
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engine.addFiles([file2]);
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expect(engine.getStats().aggregatePercent).toBe(38);
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// Both 100% -> 100%
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engine.queue[0].progressPercent = 100;
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engine.queue[1].progressPercent = 100;
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expect(engine.getStats().aggregatePercent).toBe(100);
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});
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test("ADV-M1.4: Duplicate detection logic: exact hash match produces score 1.0", async () => {
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const existingReceipt: ProcessedReceipt = {
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id: "rcpt-exist-1",
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imageHash: "sha256-abc123def456",
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merchant: { name: "Aral Tankstelle", address: "München", taxId: null, confidence: 0.99 },
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date: { isoDate: "2026-08-15", time: "10:00", confidence: 0.99 },
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documentType: "TANKBELEG",
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receiptNumber: "T-1002",
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totalAmount: { value: 75.50, confidence: 0.99 },
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netAmount: 63.45,
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taxBreakdown: [{ ratePercent: 19, taxAmount: 12.05, netAmount: 63.45 }],
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lineItems: [],
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suggestedCategory: "Tanken & KFZ",
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currency: "EUR",
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validation: { isMathValid: true, isDuplicateSuspected: false, needsUserReview: false, reviewField: "none", reviewReason: null },
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originalFileName: "aral.jpg",
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fileSizeBytes: 120000,
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createdAt: "2026-08-15T10:00:00Z",
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updatedAt: "2026-08-15T10:00:00Z",
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status: "ready",
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};
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// Test hash matching directly
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const candidateHash = "sha256-abc123def456";
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const isExactMatch = candidateHash === existingReceipt.imageHash;
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expect(isExactMatch).toBe(true);
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// Similar test: different hash but same merchant + date + amount
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const nameA = "aral tankstelle gmbh".replace(/\b(gmbh|ag|kg|ohg|ug|mbh|co\.?|e\.?k\.?|se|ltd|inc)\b/g, "").replace(/[^a-z0-9äöüß]/g, "").trim();
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const nameB = "aral tankstelle".replace(/\b(gmbh|ag|kg|ohg|ug|mbh|co\.?|e\.?k\.?|se|ltd|inc)\b/g, "").replace(/[^a-z0-9äöüß]/g, "").trim();
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expect(nameA).toBe(nameB);
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});
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test("ADV-M1.5: Object URL leak prevention: removed and cleared items trigger URL.revokeObjectURL", () => {
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const files = [
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createMockFile("image_a.png", 1000, "image/png"),
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createMockFile("image_b.png", 2000, "image/png"),
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];
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engine.addFiles(files);
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const urlA = engine.queue[0].previewThumbnailUrl;
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const urlB = engine.queue[1].previewThumbnailUrl;
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expect(urlA).toBeDefined();
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expect(urlB).toBeDefined();
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// Remove first item
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engine.removeItem(engine.queue[0].id);
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expect(engine.revokedUrls).toContain(urlA);
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expect(engine.queue).toHaveLength(1);
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// Set remaining item to success and clear completed
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engine.queue[0].status = "success";
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engine.clearCompleted();
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expect(engine.revokedUrls).toContain(urlB);
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expect(engine.queue).toHaveLength(0);
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});
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||||
test("ADV-M1.6: Dynamic retry interleaving: retrying a failed item while queue is active does not corrupt queue state", async () => {
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const files = [
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createMockFile("fail_first.jpg", 1000, "image/jpeg"),
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createMockFile("succeed_always.jpg", 2000, "image/jpeg"),
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];
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engine.addFiles(files);
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let failAttempts = 1;
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await engine.runScheduler(async (file) => {
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if (file.name === "fail_first.jpg" && failAttempts > 0) {
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failAttempts--;
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return { success: false, error: "Temporary 503 Overloaded" };
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||||
}
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||||
return {
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success: true,
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||||
receipt: {
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||||
id: `rcpt-${file.name}`,
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||||
merchant: { name: "Merchant", address: null, taxId: null, confidence: 0.9 },
|
||||
date: { isoDate: "2026-08-15", time: null, confidence: 0.9 },
|
||||
documentType: "KASSENBON",
|
||||
receiptNumber: null,
|
||||
currency: "EUR",
|
||||
totalAmount: { value: 15.0, confidence: 0.95 },
|
||||
netAmount: 12.61,
|
||||
taxBreakdown: [{ ratePercent: 19, taxAmount: 2.39, netAmount: 12.61 }],
|
||||
lineItems: [],
|
||||
suggestedCategory: "Sonstiges",
|
||||
validation: { isMathValid: true, isDuplicateSuspected: false, needsUserReview: false, reviewField: "none", reviewReason: null },
|
||||
imageHash: `hash-${file.name}`,
|
||||
originalFileName: file.name,
|
||||
fileSizeBytes: file.size,
|
||||
createdAt: "2026-08-15T12:00:00Z",
|
||||
updatedAt: "2026-08-15T12:00:00Z",
|
||||
status: "ready",
|
||||
},
|
||||
};
|
||||
});
|
||||
|
||||
const failedItem = engine.queue.find((i) => i.fileName === "fail_first.jpg");
|
||||
expect(failedItem?.status).toBe("error");
|
||||
expect(failedItem?.error).toBe("Temporary 503 Overloaded");
|
||||
|
||||
// Retry item
|
||||
engine.retryItem(failedItem!.id);
|
||||
expect(failedItem?.status).toBe("queued");
|
||||
expect(failedItem?.error).toBeUndefined();
|
||||
|
||||
// Run scheduler again
|
||||
await engine.runScheduler(async (file) => {
|
||||
return {
|
||||
success: true,
|
||||
receipt: {
|
||||
id: `rcpt-${file.name}-retried`,
|
||||
merchant: { name: "Merchant", address: null, taxId: null, confidence: 0.9 },
|
||||
date: { isoDate: "2026-08-15", time: null, confidence: 0.9 },
|
||||
documentType: "KASSENBON",
|
||||
receiptNumber: null,
|
||||
currency: "EUR",
|
||||
totalAmount: { value: 15.0, confidence: 0.95 },
|
||||
netAmount: 12.61,
|
||||
taxBreakdown: [{ ratePercent: 19, taxAmount: 2.39, netAmount: 12.61 }],
|
||||
lineItems: [],
|
||||
suggestedCategory: "Sonstiges",
|
||||
validation: { isMathValid: true, isDuplicateSuspected: false, needsUserReview: false, reviewField: "none", reviewReason: null },
|
||||
imageHash: `hash-${file.name}`,
|
||||
originalFileName: file.name,
|
||||
fileSizeBytes: file.size,
|
||||
createdAt: "2026-08-15T12:00:00Z",
|
||||
updatedAt: "2026-08-15T12:00:00Z",
|
||||
status: "ready",
|
||||
},
|
||||
};
|
||||
});
|
||||
|
||||
expect(failedItem?.status).toBe("success");
|
||||
expect(engine.getStats().successCount).toBe(2);
|
||||
expect(engine.getStats().errorCount).toBe(0);
|
||||
});
|
||||
|
||||
test("ADV-M1.7: Duplicate file signatures in single batch or sequential batches are deduplicated by fileName & size", () => {
|
||||
const file1 = createMockFile("receipt_photo.jpg", 12345, "image/jpeg");
|
||||
const file1Duplicate = createMockFile("receipt_photo.jpg", 12345, "image/jpeg");
|
||||
const file2DifferentSize = createMockFile("receipt_photo.jpg", 99999, "image/jpeg");
|
||||
|
||||
engine.addFiles([file1, file1Duplicate]);
|
||||
expect(engine.queue).toHaveLength(1);
|
||||
|
||||
engine.addFiles([file2DifferentSize]);
|
||||
expect(engine.queue).toHaveLength(2);
|
||||
});
|
||||
});
|
||||
Reference in New Issue
Block a user