refactor: update test imports to use module locations

Update all test files to import from canonical module locations:
- Integration tests: orders, inventory, messages, invoices
- Unit tests: services and models
- Fixtures: customer, vendor, message fixtures

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

tests/fixtures/customer_fixtures.py

@@ -9,7 +9,7 @@ See tests/conftest.py for details on fixture best practices.
 import pytest
 
 from app.modules.customers.models.customer import Customer, CustomerAddress
-from models.database.order import Order
+from app.modules.orders.models import Order
 
 
 @pytest.fixture
@@ -145,7 +145,7 @@ def test_order(db, test_vendor, test_customer, test_customer_address):
 @pytest.fixture
 def test_order_item(db, test_order, test_product):
     """Create a test order item."""
-    from models.database.order import OrderItem
+    from app.modules.orders.models import OrderItem
 
     order_item = OrderItem(
         order_id=test_order.id,

tests/fixtures/message_fixtures.py

@@ -8,7 +8,7 @@ See tests/conftest.py for details on fixture best practices.
 
 import pytest
 
-from models.database.message import (
+from app.modules.messaging.models import (
     Conversation,
     ConversationParticipant,
     ConversationType,

tests/fixtures/vendor_fixtures.py

@@ -11,7 +11,7 @@ import uuid
 import pytest
 
 from models.database.company import Company
-from models.database.inventory import Inventory
+from app.modules.inventory.models import Inventory
 from models.database.product import Product
 from models.database.vendor import Vendor
 

tests/integration/api/v1/admin/test_inventory.py

@@ -447,7 +447,7 @@ class TestAdminInventoryAPI:
     ):
         """Test admin deleting inventory entry."""
         # Create a new inventory entry to delete
-        from models.database.inventory import Inventory
+        from app.modules.inventory.models import Inventory
 
         new_inventory = Inventory(
             product_id=test_product.id,

tests/integration/api/v1/admin/test_letzshop.py

@@ -248,7 +248,7 @@ class TestAdminLetzshopOrdersAPI:
         """Test listing vendor orders with data."""
         from datetime import datetime, timezone
 
-        from models.database.order import Order
+        from app.modules.orders.models import Order
 
         # Create test order using unified Order model with all required fields
         order = Order(

tests/integration/api/v1/admin/test_messages.py

@@ -7,7 +7,7 @@ Tests the /api/v1/admin/messages/* endpoints.
 
 import pytest
 
-from models.database.message import ConversationType, ParticipantType
+from app.modules.messaging.models import ConversationType, ParticipantType
 
 
 @pytest.mark.integration

tests/integration/api/v1/admin/test_order_item_exceptions.py

@@ -9,8 +9,8 @@ All endpoints require admin JWT authentication.
 import pytest
 from datetime import datetime, timezone
 
-from models.database.order import OrderItem
+from app.modules.orders.models import OrderItem
-from models.database.order_item_exception import OrderItemException
+from app.modules.orders.models import OrderItemException
 
 
 @pytest.fixture

tests/integration/api/v1/storefront/test_orders.py

@@ -13,8 +13,8 @@ import pytest
 from jose import jwt
 
 from app.modules.customers.models.customer import Customer
-from models.database.invoice import Invoice, InvoiceStatus, VendorInvoiceSettings
+from app.modules.orders.models import Invoice, InvoiceStatus, VendorInvoiceSettings
-from models.database.order import Order, OrderItem
+from app.modules.orders.models import Order, OrderItem
 
 
 @pytest.fixture

tests/integration/api/v1/vendor/test_invoices.py

@@ -10,8 +10,8 @@ from decimal import Decimal
 import pytest
 
 from app.modules.customers.models.customer import Customer
-from models.database.invoice import Invoice, InvoiceStatus, VendorInvoiceSettings
+from app.modules.orders.models import Invoice, InvoiceStatus, VendorInvoiceSettings
-from models.database.order import Order
+from app.modules.orders.models import Order
 
 
 @pytest.mark.integration

tests/integration/api/v1/vendor/test_letzshop.py

@@ -240,7 +240,7 @@ class TestVendorLetzshopOrdersAPI:
         """Test listing orders with status filter."""
         from datetime import datetime, timezone
 
-        from models.database.order import Order
+        from app.modules.orders.models import Order
 
         # Create test orders using unified Order model with all required fields
         order1 = Order(
@@ -315,7 +315,7 @@ class TestVendorLetzshopOrdersAPI:
         """Test getting order detail."""
         from datetime import datetime, timezone
 
-        from models.database.order import Order
+        from app.modules.orders.models import Order
 
         order = Order(
             vendor_id=test_vendor_with_vendor_user.id,
@@ -457,7 +457,7 @@ class TestVendorLetzshopFulfillmentAPI:
         """Test confirming an order."""
         from datetime import datetime, timezone
 
-        from models.database.order import Order, OrderItem
+        from app.modules.orders.models import Order, OrderItem
 
         # Create test order using unified Order model with all required fields
         order = Order(
@@ -546,7 +546,7 @@ class TestVendorLetzshopFulfillmentAPI:
         """Test setting tracking information."""
         from datetime import datetime, timezone
 
-        from models.database.order import Order
+        from app.modules.orders.models import Order
 
         order = Order(
             vendor_id=test_vendor_with_vendor_user.id,

tests/integration/api/v1/vendor/test_messages.py

@@ -7,7 +7,7 @@ Tests the /api/v1/vendor/messages/* endpoints.
 
 import pytest
 
-from models.database.message import ConversationType, ParticipantType
+from app.modules.messaging.models import ConversationType, ParticipantType
 
 
 @pytest.mark.integration

tests/integration/api/v1/vendor/test_orders.py

@@ -5,7 +5,7 @@ from datetime import UTC, datetime
 
 import pytest
 
-from models.database.order import Order, OrderItem
+from app.modules.orders.models import Order, OrderItem
 
 
 @pytest.fixture

tests/unit/models/database/test_inventory.py

@@ -4,7 +4,7 @@
 import pytest
 from sqlalchemy.exc import IntegrityError
 
-from models.database.inventory import Inventory
+from app.modules.inventory.models import Inventory
 
 
 @pytest.mark.unit

tests/unit/models/database/test_order.py

@@ -6,7 +6,7 @@ from datetime import datetime, timezone
 import pytest
 from sqlalchemy.exc import IntegrityError
 
-from models.database.order import Order, OrderItem
+from app.modules.orders.models import Order, OrderItem
 
 
 def create_order_with_snapshots(

tests/unit/models/database/test_order_item_exception.py

@@ -4,7 +4,7 @@
 import pytest
 from sqlalchemy.exc import IntegrityError
 
-from models.database.order_item_exception import OrderItemException
+from app.modules.orders.models import OrderItemException
 
 
 @pytest.mark.unit
@@ -65,7 +65,7 @@ class TestOrderItemExceptionModel:
         exception_types = ["product_not_found", "gtin_mismatch", "duplicate_gtin"]
 
         # Create new order items for each test to avoid unique constraint
-        from models.database.order import OrderItem
+        from app.modules.orders.models import OrderItem
 
         for i, exc_type in enumerate(exception_types):
             order_item = OrderItem(

tests/unit/models/database/test_product.py

@@ -306,7 +306,7 @@ class TestProductInventoryProperties:
 
     def test_physical_product_with_inventory(self, db, test_vendor):
         """Test physical product calculates inventory from entries."""
-        from models.database.inventory import Inventory
+        from app.modules.inventory.models import Inventory
 
         product = Product(
             vendor_id=test_vendor.id,
@@ -364,7 +364,7 @@ class TestProductInventoryProperties:
 
     def test_digital_product_ignores_inventory_entries(self, db, test_vendor):
         """Test digital product returns unlimited even with inventory entries."""
-        from models.database.inventory import Inventory
+        from app.modules.inventory.models import Inventory
 
         product = Product(
             vendor_id=test_vendor.id,

tests/unit/models/schema/test_customer.py

@@ -4,7 +4,7 @@
 import pytest
 from pydantic import ValidationError
 
-from models.schema.customer import (
+from app.modules.customers.schemas import (
     CustomerAddressCreate,
     CustomerAddressResponse,
     CustomerAddressUpdate,

tests/unit/models/schema/test_inventory.py

@@ -4,7 +4,7 @@
 import pytest
 from pydantic import ValidationError
 
-from models.schema.inventory import (
+from app.modules.inventory.schemas import (
     InventoryAdjust,
     InventoryCreate,
     InventoryLocationResponse,

tests/unit/models/schema/test_order.py

@@ -6,7 +6,7 @@ from datetime import datetime, timezone
 import pytest
 from pydantic import ValidationError
 
-from models.schema.order import (
+from app.modules.orders.schemas import (
     AddressSnapshot,
     AddressSnapshotResponse,
     CustomerSnapshot,
@@ -573,7 +573,7 @@ class TestOrderItemResponseSchema:
         assert response.has_unresolved_exception is False
 
         # Pending exception
-        from models.schema.order import OrderItemExceptionBrief
+        from app.modules.orders.schemas import OrderItemExceptionBrief
         pending_exc = OrderItemExceptionBrief(
             id=1, original_gtin="123", original_product_name="Test",
             exception_type="product_not_found", status="pending",

tests/unit/services/test_customer_address_service.py

@@ -8,7 +8,7 @@ import pytest
 from app.exceptions import AddressLimitExceededException, AddressNotFoundException
 from app.services.customer_address_service import CustomerAddressService
 from app.modules.customers.models.customer import CustomerAddress
-from models.schema.customer import CustomerAddressCreate, CustomerAddressUpdate
+from app.modules.customers.schemas import CustomerAddressCreate, CustomerAddressUpdate
 
 
 @pytest.fixture

tests/unit/services/test_inventory_service.py

@@ -13,8 +13,8 @@ from app.exceptions import (
     ProductNotFoundException,
 )
 from app.services.inventory_service import InventoryService
-from models.database.inventory import Inventory
+from app.modules.inventory.models import Inventory
-from models.schema.inventory import (
+from app.modules.inventory.schemas import (
     InventoryAdjust,
     InventoryCreate,
     InventoryReserve,

tests/unit/services/test_invoice_service.py

@@ -16,13 +16,13 @@ from app.services.invoice_service import (
     InvoiceService,
     LU_VAT_RATES,
 )
-from models.database.invoice import (
+from app.modules.orders.models import (
     Invoice,
     InvoiceStatus,
     VATRegime,
     VendorInvoiceSettings,
 )
-from models.schema.invoice import (
+from app.modules.orders.schemas import (
     VendorInvoiceSettingsCreate,
     VendorInvoiceSettingsUpdate,
 )

tests/unit/services/test_messaging_service.py

@@ -4,7 +4,7 @@
 import pytest
 
 from app.services.messaging_service import MessagingService
-from models.database.message import (
+from app.modules.messaging.models import (
     Conversation,
     ConversationParticipant,
     ConversationType,

tests/unit/services/test_order_item_exception_service.py

@@ -10,8 +10,8 @@ from app.exceptions import (
     ProductNotFoundException,
 )
 from app.services.order_item_exception_service import OrderItemExceptionService
-from models.database.order import OrderItem
+from app.modules.orders.models import OrderItem
-from models.database.order_item_exception import OrderItemException
+from app.modules.orders.models import OrderItemException
 
 
 @pytest.fixture

tests/unit/services/test_order_service.py

@@ -28,7 +28,7 @@ from app.services.order_service import (
     order_service,
 )
 from app.modules.customers.models.customer import Customer
-from models.database.order import Order, OrderItem
+from app.modules.orders.models import Order, OrderItem
 
 
 # Default address fields required by Order model
@@ -328,7 +328,7 @@ class TestOrderServiceUpdates:
 
     def test_update_order_status(self, db, test_vendor, test_customer):
         """Test update_order_status changes status"""
-        from models.schema.order import OrderUpdate
+        from app.modules.orders.schemas import OrderUpdate
 
         order = Order(
             vendor_id=test_vendor.id,

tests/unit/services/test_stats_service.py

@@ -9,7 +9,7 @@ from sqlalchemy.exc import SQLAlchemyError
 
 from app.exceptions import AdminOperationException, VendorNotFoundException
 from app.services.stats_service import StatsService
-from models.database.inventory import Inventory
+from app.modules.inventory.models import Inventory
 from models.database.marketplace_product import MarketplaceProduct
 from models.database.marketplace_product_translation import (
     MarketplaceProductTranslation,