399 lines
13 KiB
Dart
399 lines
13 KiB
Dart
import 'package:drift/drift.dart' hide isNull, isNotNull;
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import 'package:drift/native.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:kooltab2/database/app_database.dart';
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import 'package:kooltab2/models/product.dart';
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import 'package:kooltab2/services/bar_tab_service.dart';
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import 'package:kooltab2/services/product_service.dart';
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void main() {
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late AppDatabase database;
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late DriftBarTabService service;
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setUp(() async {
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database = AppDatabase(NativeDatabase.memory());
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service = DriftBarTabService(database: database);
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await database
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.into(database.products)
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.insert(
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ProductsCompanion.insert(
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id: 'prod-1',
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name: 'Test Beer',
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category: 'Drinks',
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stockQuantity: 100,
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lowStockThreshold: 10,
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priceInCents: 400,
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),
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);
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});
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tearDown(() async {
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await database.close();
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});
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Product createTestProduct({
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String id = 'prod-1',
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String name = 'Test Beer',
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int priceInCents = 400,
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}) {
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return Product(
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id: id,
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name: name,
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category: 'Drinks',
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stockQuantity: 100,
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lowStockThreshold: 10,
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priceInCents: priceInCents,
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);
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}
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group('DriftBarTabService', () {
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group('createTab', () {
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test('creates tab with open status', () async {
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final tab = await service.createTab(customerName: 'John');
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expect(tab.customerName, 'John');
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expect(tab.status, 'open');
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expect(tab.items, isEmpty);
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});
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test('creates tab with unique id', () async {
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final tab1 = await service.createTab(customerName: 'John');
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final tab2 = await service.createTab(customerName: 'Jane');
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expect(tab1.id, isNot(equals(tab2.id)));
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});
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});
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group('getOpenTabs', () {
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test('returns empty list when no tabs', () async {
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final tabs = await service.getOpenTabs();
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expect(tabs, isEmpty);
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});
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test('returns only open tabs', () async {
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await service.createTab(customerName: 'Open Tab');
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await database
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.into(database.barTabs)
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.insert(
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BarTabsCompanion.insert(
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id: 'closed-tab',
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customerName: 'Closed Tab',
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status: const Value('closed'),
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openedAt: DateTime.now(),
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),
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);
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final tabs = await service.getOpenTabs();
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expect(tabs.length, 1);
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expect(tabs.first.customerName, 'Open Tab');
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});
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test('tabs sorted by openedAt descending', () async {
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final now = DateTime.now();
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await database
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.into(database.barTabs)
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.insert(
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BarTabsCompanion.insert(
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id: 'tab-first',
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customerName: 'First',
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status: const Value('open'),
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openedAt: now.subtract(const Duration(hours: 1)),
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),
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);
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await database
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.into(database.barTabs)
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.insert(
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BarTabsCompanion.insert(
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id: 'tab-second',
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customerName: 'Second',
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status: const Value('open'),
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openedAt: now,
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),
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);
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final tabs = await service.getOpenTabs();
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expect(tabs.first.customerName, 'Second');
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expect(tabs.last.customerName, 'First');
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});
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});
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group('getTabById', () {
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test('returns tab when exists', () async {
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final created = await service.createTab(customerName: 'Test');
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final tab = await service.getTabById(created.id);
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expect(tab, isNotNull);
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expect(tab!.customerName, 'Test');
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});
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test('returns null when not exists', () async {
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final tab = await service.getTabById('nonexistent');
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expect(tab, isNull);
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});
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});
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group('renameTab', () {
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test('updates the tab customer name', () async {
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final tab = await service.createTab(customerName: 'John');
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await service.renameTab(tabId: tab.id, customerName: ' Jane ');
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.customerName, 'Jane');
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});
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});
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group('deleteTab', () {
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test('deletes the tab and restores item stock', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.addProductToTab(tabId: tab.id, product: product);
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final deletedItems = await service.deleteTab(tab.id);
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expect(deletedItems.length, 1);
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expect(deletedItems.first.quantity, 2);
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expect(await service.getTabById(tab.id), isNull);
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final updatedProduct = await (database.select(
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database.products,
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)..where((row) => row.id.equals(product.id))).getSingle();
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expect(updatedProduct.stockQuantity, 100);
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final remainingItems = await database.select(database.tabItems).get();
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expect(remainingItems, isEmpty);
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});
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});
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group('addProductToTab', () {
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test('adds new product to tab', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items.length, 1);
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expect(updatedTab.items.first.productName, 'Test Beer');
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expect(updatedTab.items.first.quantity, 1);
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});
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test('increments quantity when product already in tab', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.addProductToTab(tabId: tab.id, product: product);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items.length, 1);
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expect(updatedTab.items.first.quantity, 3);
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});
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test('adding product calculates correct line total', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct(priceInCents: 450);
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.addProductToTab(tabId: tab.id, product: product);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items.first.lineTotalInCents, 900);
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});
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test('decreases stock as part of adding the item', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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final storedProduct = await (database.select(
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database.products,
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)..where((row) => row.id.equals(product.id))).getSingle();
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expect(storedProduct.stockQuantity, 99);
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});
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test('rolls back the tab insert when stock is unavailable', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await (database.update(database.products)
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..where((row) => row.id.equals(product.id)))
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.write(const ProductsCompanion(stockQuantity: Value(0)));
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await expectLater(
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service.addProductToTab(tabId: tab.id, product: product),
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throwsA(isA<InsufficientStockException>()),
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);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items, isEmpty);
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});
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});
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group('adjustTabItemQuantity', () {
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test('updates item quantity', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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final tabItemId = (await service.getTabById(tab.id))!.items.first.id;
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await service.adjustTabItemQuantity(tabItemId: tabItemId, delta: 4);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items.first.quantity, 5);
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});
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test('deletes item when the delta removes all quantity', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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final tabItemId = (await service.getTabById(tab.id))!.items.first.id;
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await service.adjustTabItemQuantity(tabItemId: tabItemId, delta: -1);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items, isEmpty);
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});
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test('restores stock when quantity decreases', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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final tabItemId = (await service.getTabById(tab.id))!.items.first.id;
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await service.adjustTabItemQuantity(tabItemId: tabItemId, delta: -1);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items, isEmpty);
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final updatedProduct = await (database.select(
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database.products,
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)..where((row) => row.id.equals(product.id))).getSingle();
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expect(updatedProduct.stockQuantity, 100);
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});
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test(
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'applies concurrent deltas without losing stock consistency',
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() async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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final tabItemId = (await service.getTabById(tab.id))!.items.first.id;
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final deltas = await Future.wait([
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service.adjustTabItemQuantity(tabItemId: tabItemId, delta: 1),
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service.adjustTabItemQuantity(tabItemId: tabItemId, delta: 1),
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]);
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expect(deltas, [1, 1]);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items.first.quantity, 3);
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final updatedProduct = await (database.select(
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database.products,
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)..where((row) => row.id.equals(product.id))).getSingle();
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expect(updatedProduct.stockQuantity, 97);
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},
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);
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});
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group('closeTab', () {
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test('archives tab items to closed tabs', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.closeTab(tab.id);
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final closedTabs = await service.getClosedTabs();
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expect(closedTabs.length, 1);
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expect(closedTabs.first.customerName, 'John');
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expect(closedTabs.first.items.length, 1);
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expect(closedTabs.first.items.first.quantity, 2);
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});
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test('clears tab items after closing', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.closeTab(tab.id);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.items, isEmpty);
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});
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test('tab remains open but items cleared', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct();
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.closeTab(tab.id);
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final updatedTab = await service.getTabById(tab.id);
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expect(updatedTab!.isOpen, true);
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expect(updatedTab.items, isEmpty);
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});
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test('closed tab preserves item prices', () async {
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final tab = await service.createTab(customerName: 'John');
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final product = createTestProduct(priceInCents: 550);
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await service.addProductToTab(tabId: tab.id, product: product);
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await service.closeTab(tab.id);
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final closedTabs = await service.getClosedTabs();
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expect(closedTabs.first.items.first.unitPriceInCents, 550);
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});
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});
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group('getClosedTabs', () {
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test('returns empty when no closed tabs', () async {
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final tabs = await service.getClosedTabs();
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expect(tabs, isEmpty);
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});
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test('returns closed tabs sorted by closedAt descending', () async {
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final now = DateTime.now();
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await database
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.into(database.closedTabs)
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.insert(
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ClosedTabsCompanion.insert(
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id: 'closed-first',
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originalTabId: 'original-1',
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customerName: 'First',
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closedAt: now.subtract(const Duration(hours: 1)),
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),
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);
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await database
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.into(database.closedTabs)
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.insert(
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ClosedTabsCompanion.insert(
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id: 'closed-second',
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originalTabId: 'original-2',
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customerName: 'Second',
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closedAt: now,
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),
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);
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final closedTabs = await service.getClosedTabs();
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expect(closedTabs.first.customerName, 'Second');
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expect(closedTabs.last.customerName, 'First');
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});
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});
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});
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}
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