major refactoring adding vendor and customer features

tests/fixtures/customer_fixtures.py

@@ -0,0 +1,42 @@
+# tests/fixtures/customer_fixtures.py
+import pytest
+from models.database.customer import Customer, CustomerAddress
+
+
+@pytest.fixture
+def test_customer(db, test_vendor):
+    """Create a test customer"""
+    customer = Customer(
+        vendor_id=test_vendor.id,
+        email="testcustomer@example.com",
+        hashed_password="hashed_password",
+        first_name="John",
+        last_name="Doe",
+        customer_number="TEST001",
+        is_active=True,
+    )
+    db.add(customer)
+    db.commit()
+    db.refresh(customer)
+    return customer
+
+
+@pytest.fixture
+def test_customer_address(db, test_vendor, test_customer):
+    """Create a test customer address"""
+    address = CustomerAddress(
+        vendor_id=test_vendor.id,
+        customer_id=test_customer.id,
+        address_type="shipping",
+        first_name="John",
+        last_name="Doe",
+        address_line_1="123 Main St",
+        city="Luxembourg",
+        postal_code="L-1234",
+        country="Luxembourg",
+        is_default=True,
+    )
+    db.add(address)
+    db.commit()
+    db.refresh(address)
+    return address