feat: Phase 2 Schritt 10 — Einkaufslisten-Modul
Backend: - GET /shopping — alle Listen mit item_total/item_checked Zähler - POST/PUT/DELETE /shopping/:listId — Listen-CRUD - GET /shopping/:listId/items — Artikel nach Supermarkt-Gang sortiert (Obst→Backwaren→Milch→Fleisch→Tiefkühl→Getränke→Haushalt→Drogerie→Sonstiges) Abgehakte innerhalb der Kategorie ans Ende - POST /shopping/:listId/items — Artikel hinzufügen - PATCH /shopping/items/:id — Artikel aktualisieren (abhaken, umbenennen) - DELETE /shopping/items/:id — Einzelartikel löschen - DELETE /shopping/:listId/items/checked — nur abgehakte löschen - GET /shopping/suggestions?q= — Autocomplete aus bisherigen Einträgen Frontend: - Multi-Listen-Tabs (horizontal scrollbar, Artikel-Zähler im Tab) - Quick-Add: Name + Menge + Kategorie-Dropdown in einer Zeile - Autocomplete-Dropdown mit Tastaturnavigation (↑↓ Enter Escape) - Optimistisches Toggle: Checkbox reagiert sofort, Rollback bei Fehler - "Abgehakt löschen"-Button erscheint dynamisch bei checked > 0 - Listen umbenennen/löschen direkt im Header - Kategorie-Icons (Lucide) in Gruppen-Überschriften Tests: 17/17 bestanden (71 gesamt) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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ulsklyc
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/**
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* Modul: Einkaufslisten-Test
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* Zweck: Validiert alle Shopping-API-Abfragen, Sortierung, Constraints
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* Ausführen: node --experimental-sqlite test-shopping.js
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*/
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'use strict';
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const { DatabaseSync } = require('node:sqlite');
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const { MIGRATIONS_SQL } = require('./server/db-schema-test');
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let passed = 0;
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let failed = 0;
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function test(name, fn) {
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try { fn(); console.log(` ✓ ${name}`); passed++; }
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catch (err) { console.error(` ✗ ${name}: ${err.message}`); failed++; }
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}
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function assert(cond, msg) { if (!cond) throw new Error(msg || 'Assertion fehlgeschlagen'); }
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const db = new DatabaseSync(':memory:');
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db.exec('PRAGMA foreign_keys = ON;');
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db.exec(`CREATE TABLE IF NOT EXISTS schema_migrations (
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version INTEGER PRIMARY KEY, description TEXT NOT NULL,
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applied_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%SZ', 'now'))
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);`);
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db.exec(MIGRATIONS_SQL[1]);
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const u1 = db.prepare(`INSERT INTO users (username, display_name, password_hash, role)
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VALUES ('admin', 'Admin', 'x', 'admin')`).run();
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const uid = u1.lastInsertRowid;
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console.log('\n[Shopping-Test] Listen, Artikel, Sortierung\n');
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let listId, list2Id, itemId1, itemId2, itemId3;
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// --------------------------------------------------------
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// Listen-CRUD
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// --------------------------------------------------------
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test('Liste erstellen', () => {
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const r = db.prepare(`INSERT INTO shopping_lists (name, created_by) VALUES ('REWE', ?)`).run(uid);
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listId = r.lastInsertRowid;
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assert(listId > 0);
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});
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test('Zweite Liste erstellen', () => {
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const r = db.prepare(`INSERT INTO shopping_lists (name, created_by) VALUES ('dm', ?)`).run(uid);
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list2Id = r.lastInsertRowid;
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assert(list2Id > 0);
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});
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test('Alle Listen mit Zähler abrufbar', () => {
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const lists = db.prepare(`
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SELECT sl.*,
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COUNT(si.id) AS item_total,
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SUM(CASE WHEN si.is_checked = 1 THEN 1 ELSE 0 END) AS item_checked
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FROM shopping_lists sl
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LEFT JOIN shopping_items si ON si.list_id = sl.id
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GROUP BY sl.id ORDER BY sl.created_at ASC
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`).all();
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assert(lists.length === 2, `Erwartet 2, erhalten ${lists.length}`);
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assert(lists[0].name === 'REWE');
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assert(lists[0].item_total === 0, 'Noch keine Artikel');
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});
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test('Liste umbenennen', () => {
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db.prepare(`UPDATE shopping_lists SET name = 'REWE Wocheneinkauf' WHERE id = ?`).run(listId);
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const l = db.prepare('SELECT name FROM shopping_lists WHERE id = ?').get(listId);
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assert(l.name === 'REWE Wocheneinkauf', 'Name aktualisiert');
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});
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// --------------------------------------------------------
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// Artikel-CRUD
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// --------------------------------------------------------
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test('Artikel hinzufügen — Obst & Gemüse', () => {
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const r = db.prepare(`INSERT INTO shopping_items (list_id, name, quantity, category)
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VALUES (?, 'Äpfel', '1 kg', 'Obst & Gemüse')`).run(listId);
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itemId1 = r.lastInsertRowid;
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assert(itemId1 > 0);
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});
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test('Artikel hinzufügen — Milchprodukte', () => {
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const r = db.prepare(`INSERT INTO shopping_items (list_id, name, quantity, category)
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VALUES (?, 'Milch', '1 Liter', 'Milchprodukte')`).run(listId);
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itemId2 = r.lastInsertRowid;
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assert(itemId2 > 0);
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});
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test('Artikel hinzufügen — Backwaren', () => {
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const r = db.prepare(`INSERT INTO shopping_items (list_id, name, category)
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VALUES (?, 'Brot', 'Backwaren')`).run(listId);
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itemId3 = r.lastInsertRowid;
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assert(itemId3 > 0);
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});
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// --------------------------------------------------------
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// Supermarkt-Gang-Sortierung
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// --------------------------------------------------------
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test('Sortierung nach Supermarkt-Gang-Logik', () => {
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const categories = [
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'Obst & Gemüse', 'Backwaren', 'Milchprodukte', 'Fleisch & Fisch',
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'Tiefkühl', 'Getränke', 'Haushalt', 'Drogerie', 'Sonstiges',
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];
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const caseExpr = categories.map((c, i) => `WHEN '${c}' THEN ${i}`).join(' ');
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const items = db.prepare(`
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SELECT * FROM shopping_items
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WHERE list_id = ?
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ORDER BY CASE category ${caseExpr} ELSE 9 END, is_checked ASC, created_at ASC
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`).all(listId);
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assert(items.length === 3, `Erwartet 3, erhalten ${items.length}`);
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assert(items[0].category === 'Obst & Gemüse', `Erste Kategorie: ${items[0].category}`);
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assert(items[1].category === 'Backwaren', `Zweite Kategorie: ${items[1].category}`);
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assert(items[2].category === 'Milchprodukte', `Dritte Kategorie: ${items[2].category}`);
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});
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test('Abgehakte Artikel ans Ende innerhalb der Kategorie', () => {
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// Zweiten Artikel in Obst einfügen
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db.prepare(`INSERT INTO shopping_items (list_id, name, category, is_checked)
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VALUES (?, 'Bananen', 'Obst & Gemüse', 1)`).run(listId);
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const categories = [
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'Obst & Gemüse', 'Backwaren', 'Milchprodukte', 'Fleisch & Fisch',
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'Tiefkühl', 'Getränke', 'Haushalt', 'Drogerie', 'Sonstiges',
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];
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const caseExpr = categories.map((c, i) => `WHEN '${c}' THEN ${i}`).join(' ');
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const items = db.prepare(`
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SELECT * FROM shopping_items WHERE list_id = ?
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ORDER BY CASE category ${caseExpr} ELSE 9 END, is_checked ASC, created_at ASC
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`).all(listId);
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const obst = items.filter((i) => i.category === 'Obst & Gemüse');
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assert(obst[0].name === 'Äpfel', 'Nicht abgehakt zuerst');
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assert(obst[1].name === 'Bananen', 'Abgehakt danach');
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assert(obst[1].is_checked === 1, 'Bananen ist abgehakt');
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});
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// --------------------------------------------------------
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// Artikel abhaken
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// --------------------------------------------------------
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test('Artikel abhaken (toggle)', () => {
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db.prepare(`UPDATE shopping_items SET is_checked = 1 WHERE id = ?`).run(itemId1);
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const item = db.prepare('SELECT is_checked FROM shopping_items WHERE id = ?').get(itemId1);
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assert(item.is_checked === 1, 'Artikel abgehakt');
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});
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test('Artikel wieder aktivieren', () => {
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db.prepare(`UPDATE shopping_items SET is_checked = 0 WHERE id = ?`).run(itemId1);
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const item = db.prepare('SELECT is_checked FROM shopping_items WHERE id = ?').get(itemId1);
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assert(item.is_checked === 0, 'Artikel wieder aktiv');
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});
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// --------------------------------------------------------
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// Abgehakte löschen
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// --------------------------------------------------------
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test('"Abgehakte löschen" entfernt nur is_checked=1', () => {
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db.prepare(`UPDATE shopping_items SET is_checked = 1 WHERE id IN (?, ?)`).run(itemId1, itemId2);
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// Äpfel (itemId1) + Milch (itemId2) + Bananen (bereits checked aus vorherigem Test) = 3
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const result = db.prepare(`DELETE FROM shopping_items WHERE list_id = ? AND is_checked = 1`).run(listId);
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assert(result.changes === 3, `Gelöscht: ${result.changes}, erwartet: 3`);
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const remaining = db.prepare(`SELECT * FROM shopping_items WHERE list_id = ?`).all(listId);
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assert(remaining.every((i) => i.is_checked === 0), 'Nur nicht-abgehakte verbleiben');
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assert(remaining.length === 1, `Verbleibend: ${remaining.length} (nur Brot)`);
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});
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// --------------------------------------------------------
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// Autocomplete
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// --------------------------------------------------------
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test('Autocomplete-Suggestions nach Prefix', () => {
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db.prepare(`INSERT INTO shopping_items (list_id, name, category) VALUES (?, 'Joghurt', 'Milchprodukte')`).run(listId);
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db.prepare(`INSERT INTO shopping_items (list_id, name, category) VALUES (?, 'Käse', 'Milchprodukte')`).run(listId);
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const results = db.prepare(`
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SELECT DISTINCT name FROM shopping_items
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WHERE name LIKE ? COLLATE NOCASE
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ORDER BY name ASC LIMIT 8
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`).all('J%');
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assert(results.length >= 1, 'Mindestens 1 Vorschlag');
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assert(results[0].name === 'Joghurt', `Erwartet Joghurt, erhalten: ${results[0].name}`);
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});
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test('Autocomplete — kein Match gibt leeres Array', () => {
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const results = db.prepare(`
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SELECT DISTINCT name FROM shopping_items WHERE name LIKE ? COLLATE NOCASE
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`).all('XXXXXXXX%');
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assert(results.length === 0, 'Kein Match erwartet');
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});
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// --------------------------------------------------------
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// Zähler-Abfrage
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// --------------------------------------------------------
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test('Listen-Zähler korrekt nach Änderungen', () => {
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const list = db.prepare(`
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SELECT sl.*,
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COUNT(si.id) AS item_total,
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SUM(CASE WHEN si.is_checked = 1 THEN 1 ELSE 0 END) AS item_checked
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FROM shopping_lists sl
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LEFT JOIN shopping_items si ON si.list_id = sl.id
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WHERE sl.id = ?
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GROUP BY sl.id
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`).get(listId);
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assert(list.item_total > 0, `item_total=${list.item_total}`);
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assert(list.item_checked === 0, 'Keine abgehakten mehr');
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});
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// --------------------------------------------------------
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// Cascade-Löschung
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// --------------------------------------------------------
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test('Liste löschen entfernt alle Artikel (CASCADE)', () => {
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db.prepare('DELETE FROM shopping_lists WHERE id = ?').run(list2Id);
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const items = db.prepare('SELECT * FROM shopping_items WHERE list_id = ?').all(list2Id);
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assert(items.length === 0, 'Keine Artikel nach Listen-Löschung');
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});
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test('Nicht existierende Liste gibt keine Zeile', () => {
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const list = db.prepare('SELECT * FROM shopping_lists WHERE id = ?').get(99999);
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assert(!list, 'Sollte undefined sein');
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});
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// --------------------------------------------------------
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// Ergebnis
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// --------------------------------------------------------
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console.log(`\n[Shopping-Test] Ergebnis: ${passed} bestanden, ${failed} fehlgeschlagen\n`);
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if (failed > 0) process.exit(1);
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