feat: Implement MFA authentication, add ride statistics model, and update various services, APIs, and tests across the application.

backend/tests/api/test_auth_api.py

@@ -16,17 +16,11 @@ This module provides extensive test coverage for:
 Test patterns follow Django styleguide conventions.
 """
 
-import pytest
-from unittest.mock import patch, MagicMock
-from django.test import TestCase
-from django.urls import reverse
 from rest_framework import status
-from rest_framework.test import APITestCase, APIClient
+from rest_framework.test import APIClient
 
 from tests.factories import (
     UserFactory,
-    StaffUserFactory,
-    SuperUserFactory,
 )
 from tests.test_utils import EnhancedAPITestCase
 

backend/tests/api/test_error_handling.py

@@ -6,8 +6,8 @@ with proper error codes, messages, and details.
 """
 
 from django.test import TestCase
-from rest_framework.test import APIClient
 from rest_framework import status
+from rest_framework.test import APIClient
 
 
 class ErrorResponseFormatTestCase(TestCase):

backend/tests/api/test_filters.py

@@ -6,8 +6,8 @@ similar endpoints and behave as expected.
 """
 
 from django.test import TestCase
-from rest_framework.test import APIClient
 from rest_framework import status
+from rest_framework.test import APIClient
 
 
 class FilterParameterNamingTestCase(TestCase):
@@ -137,7 +137,7 @@ class FilterMetadataTestCase(TestCase):
         if response.status_code == status.HTTP_200_OK:
             data = response.json()
             if data.get("data") and data["data"].get("categorical"):
-                for field, options in data["data"]["categorical"].items():
+                for _field, options in data["data"]["categorical"].items():
                     if isinstance(options, list) and options:
                         option = options[0]
                         # Each option should have value and label

backend/tests/api/test_pagination.py

@@ -6,8 +6,8 @@ metadata including count, next, previous, page_size, current_page, and total_pag
 """
 
 from django.test import TestCase
-from rest_framework.test import APIClient
 from rest_framework import status
+from rest_framework.test import APIClient
 
 
 class PaginationMetadataTestCase(TestCase):

backend/tests/api/test_parks_api.py

@@ -13,20 +13,18 @@ Test patterns follow Django styleguide conventions with:
 - Permission and authorization testing
 """
 
-import pytest
-from unittest.mock import patch, MagicMock
-from django.test import TestCase
-from django.urls import reverse
-from rest_framework import status
-from rest_framework.test import APITestCase, APIClient
+from unittest.mock import patch
 
-from apps.parks.models import Park, ParkPhoto
+from rest_framework import status
+from rest_framework.test import APIClient
+
+from apps.parks.models import Park
 from tests.factories import (
-    UserFactory,
+    CompanyFactory,
+    ParkFactory,
     StaffUserFactory,
     SuperUserFactory,
-    ParkFactory,
-    CompanyFactory,
+    UserFactory,
 )
 from tests.test_utils import EnhancedAPITestCase
 
@@ -471,7 +469,7 @@ class TestParkAPIQueryOptimization(EnhancedAPITestCase):
     def test__park_list__uses_select_related(self):
         """Test that park list uses select_related for optimization."""
         # Create multiple parks
-        for i in range(5):
+        for _i in range(5):
             ParkFactory(operator=self.operator)
 
         url = '/api/v1/parks/hybrid/'

backend/tests/api/test_response_format.py

@@ -5,10 +5,9 @@ These tests verify that all API endpoints return responses in the standardized
 format with proper success/error indicators, data nesting, and error codes.
 """
 
-import pytest
 from django.test import TestCase
-from rest_framework.test import APIClient
 from rest_framework import status
+from rest_framework.test import APIClient
 
 
 class ResponseFormatTestCase(TestCase):

backend/tests/api/test_rides_api.py

@@ -15,24 +15,18 @@ This module provides extensive test coverage for:
 Test patterns follow Django styleguide conventions.
 """
 
-import pytest
-from unittest.mock import patch, MagicMock
-from django.test import TestCase
-from django.urls import reverse
 from rest_framework import status
-from rest_framework.test import APITestCase, APIClient
+from rest_framework.test import APIClient
 
 from tests.factories import (
-    UserFactory,
-    StaffUserFactory,
-    SuperUserFactory,
+    CoasterFactory,
+    DesignerCompanyFactory,
+    ManufacturerCompanyFactory,
     ParkFactory,
     RideFactory,
-    CoasterFactory,
-    CompanyFactory,
-    ManufacturerCompanyFactory,
-    DesignerCompanyFactory,
     RideModelFactory,
+    StaffUserFactory,
+    UserFactory,
 )
 from tests.test_utils import EnhancedAPITestCase
 
@@ -752,7 +746,7 @@ class TestRideAPIQueryOptimization(EnhancedAPITestCase):
     def test__ride_list__uses_select_related(self):
         """Test that ride list uses select_related for optimization."""
         # Create multiple rides
-        for i in range(5):
+        for _i in range(5):
             RideFactory(park=self.park)
 
         response = self.client.get('/api/v1/rides/')