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fix: Make transactions atomic / AutoLogout

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brammie15
2026-08-03 02:22:26 +02:00
parent 6060ca2713
commit 0997d110d4
14 changed files with 604 additions and 285 deletions
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test/product_service_test.dart
+171 -101
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@@ -26,27 +26,31 @@ void main() {
});
test('returns only active products', () async {
await database.into(database.products).insert(
ProductsCompanion.insert(
id: '1',
name: 'Active Product',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database.into(database.products).insert(
ProductsCompanion.insert(
id: '2',
name: 'Inactive Product',
category: 'Drinks',
stockQuantity: 5,
lowStockThreshold: 1,
priceInCents: 300,
active: const Value(false),
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: '1',
name: 'Active Product',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: '2',
name: 'Inactive Product',
category: 'Drinks',
stockQuantity: 5,
lowStockThreshold: 1,
priceInCents: 300,
active: const Value(false),
),
);
final products = await service.getProducts();
@@ -55,26 +59,30 @@ void main() {
});
test('returns products sorted by name', () async {
await database.into(database.products).insert(
ProductsCompanion.insert(
id: '1',
name: 'Zebra',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database.into(database.products).insert(
ProductsCompanion.insert(
id: '2',
name: 'Apple',
category: 'Drinks',
stockQuantity: 5,
lowStockThreshold: 1,
priceInCents: 300,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: '1',
name: 'Zebra',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: '2',
name: 'Apple',
category: 'Drinks',
stockQuantity: 5,
lowStockThreshold: 1,
priceInCents: 300,
),
);
final products = await service.getProducts();
@@ -85,16 +93,18 @@ void main() {
group('getProductById', () {
test('returns product when exists', () async {
await database.into(database.products).insert(
ProductsCompanion.insert(
id: 'prod-123',
name: 'Test Product',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: 'prod-123',
name: 'Test Product',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
final product = await service.getProductById('prod-123');
@@ -128,16 +138,18 @@ void main() {
group('updateProduct', () {
test('updates product fields', () async {
await database.into(database.products).insert(
ProductsCompanion.insert(
id: 'update-test',
name: 'Original',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: 'update-test',
name: 'Original',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await service.updateProduct(
const Product(
@@ -160,16 +172,18 @@ void main() {
group('deleteProduct', () {
test('removes product from database', () async {
await database.into(database.products).insert(
ProductsCompanion.insert(
id: 'delete-test',
name: 'To Delete',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: 'delete-test',
name: 'To Delete',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await service.deleteProduct('delete-test');
@@ -180,16 +194,18 @@ void main() {
group('decreaseStock', () {
test('decreases stock quantity', () async {
await database.into(database.products).insert(
ProductsCompanion.insert(
id: 'stock-test',
name: 'Stock Test',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: 'stock-test',
name: 'Stock Test',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await service.decreaseStock('stock-test', 3);
@@ -205,16 +221,18 @@ void main() {
});
test('throws when not enough stock', () async {
await database.into(database.products).insert(
ProductsCompanion.insert(
id: 'low-stock',
name: 'Low Stock',
category: 'Drinks',
stockQuantity: 3,
lowStockThreshold: 1,
priceInCents: 500,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: 'low-stock',
name: 'Low Stock',
category: 'Drinks',
stockQuantity: 3,
lowStockThreshold: 1,
priceInCents: 500,
),
);
expect(
() => service.decreaseStock('low-stock', 5),
@@ -225,16 +243,18 @@ void main() {
group('increaseStock', () {
test('increases stock quantity', () async {
await database.into(database.products).insert(
ProductsCompanion.insert(
id: 'increase-test',
name: 'Increase Test',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: 'increase-test',
name: 'Increase Test',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
await service.increaseStock('increase-test', 5);
@@ -248,6 +268,56 @@ void main() {
throwsA(isA<Exception>()),
);
});
test('rejects non-positive stock adjustments', () async {
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: 'invalid-adjustment',
name: 'Invalid Adjustment',
category: 'Drinks',
stockQuantity: 10,
lowStockThreshold: 2,
priceInCents: 500,
),
);
expect(
() => service.decreaseStock('invalid-adjustment', 0),
throwsA(isA<ArgumentError>()),
);
expect(
() => service.increaseStock('invalid-adjustment', -1),
throwsA(isA<ArgumentError>()),
);
});
test('does not allow concurrent decrements below zero', () async {
await database
.into(database.products)
.insert(
ProductsCompanion.insert(
id: 'concurrent-stock',
name: 'Concurrent Stock',
category: 'Drinks',
stockQuantity: 1,
lowStockThreshold: 0,
priceInCents: 500,
),
);
await expectLater(
Future.wait([
service.decreaseStock('concurrent-stock', 1),
service.decreaseStock('concurrent-stock', 1),
]),
throwsA(isA<InsufficientStockException>()),
);
final product = await service.getProductById('concurrent-stock');
expect(product!.stockQuantity, 0);
});
});
});
}