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	* Add official support for Django 5.1 Following the supported Python versions: https://docs.djangoproject.com/en/stable/faq/install/ * Add tests to cover compat with Django's 5.1 LoginRequiredMiddleware * First pass to create DRF's LoginRequiredMiddleware * Attempt to fix the tests * Revert custom middleware implementation * Disable LoginRequiredMiddleware on DRF views * Document how to integrate DRF with LoginRequiredMiddleware * Move login required tests under a separate test case * Revert redundant change * Disable LoginRequiredMiddleware on ViewSets * Add some integrations tests to cover various view types
		
			
				
	
	
		
			346 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			346 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import unittest
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| from functools import wraps
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| 
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| import pytest
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| from django import VERSION as DJANGO_VERSION
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| from django.db import models
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| from django.test import TestCase, override_settings
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| from django.urls import include, path
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| 
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| from rest_framework import status
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| from rest_framework.decorators import action
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| from rest_framework.response import Response
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| from rest_framework.routers import SimpleRouter
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| from rest_framework.test import APIRequestFactory
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| from rest_framework.viewsets import GenericViewSet
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| 
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| factory = APIRequestFactory()
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| 
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| 
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| class BasicViewSet(GenericViewSet):
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|     def list(self, request, *args, **kwargs):
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|         return Response({'ACTION': 'LIST'})
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| 
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| 
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| class InstanceViewSet(GenericViewSet):
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| 
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|     def dispatch(self, request, *args, **kwargs):
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|         return self.dummy(request, *args, **kwargs)
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| 
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|     def dummy(self, request, *args, **kwargs):
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|         return Response({'view': self})
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| 
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| 
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| class Action(models.Model):
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|     pass
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| 
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| 
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| def decorate(fn):
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|     @wraps(fn)
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|     def wrapper(self, request, *args, **kwargs):
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|         return fn(self, request, *args, **kwargs)
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|     return wrapper
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| 
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| 
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| class ActionViewSet(GenericViewSet):
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|     queryset = Action.objects.all()
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| 
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|     def list(self, request, *args, **kwargs):
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|         response = Response()
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|         response.view = self
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|         return response
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| 
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|     def retrieve(self, request, *args, **kwargs):
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|         response = Response()
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|         response.view = self
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|         return response
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| 
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|     @action(detail=False)
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|     def list_action(self, request, *args, **kwargs):
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|         response = Response()
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|         response.view = self
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|         return response
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| 
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|     @action(detail=False, url_name='list-custom')
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|     def custom_list_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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|     @action(detail=True)
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|     def detail_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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|     @action(detail=True, url_name='detail-custom')
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|     def custom_detail_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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|     @action(detail=True, url_path=r'unresolvable/(?P<arg>\w+)', url_name='unresolvable')
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|     def unresolvable_detail_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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|     @action(detail=False)
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|     @decorate
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|     def wrapped_list_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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|     @action(detail=True)
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|     @decorate
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|     def wrapped_detail_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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| 
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| class ActionNamesViewSet(GenericViewSet):
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| 
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|     def retrieve(self, request, *args, **kwargs):
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|         response = Response()
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|         response.view = self
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|         return response
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| 
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|     @action(detail=True)
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|     def unnamed_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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|     @action(detail=True, name='Custom Name')
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|     def named_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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|     @action(detail=True, suffix='Custom Suffix')
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|     def suffixed_action(self, request, *args, **kwargs):
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|         raise NotImplementedError
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| 
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| 
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| class ThingWithMapping:
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|     def __init__(self):
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|         self.mapping = {}
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| 
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| 
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| class ActionViewSetWithMapping(ActionViewSet):
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|     mapper = ThingWithMapping()
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| 
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| 
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| router = SimpleRouter()
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| router.register(r'actions', ActionViewSet)
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| router.register(r'actions-alt', ActionViewSet, basename='actions-alt')
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| router.register(r'names', ActionNamesViewSet, basename='names')
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| router.register(r'mapping', ActionViewSetWithMapping, basename='mapping')
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| 
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| 
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| urlpatterns = [
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|     path('api/', include(router.urls)),
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| ]
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| 
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| 
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| class InitializeViewSetsTestCase(TestCase):
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|     def test_initialize_view_set_with_actions(self):
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|         request = factory.get('/', '', content_type='application/json')
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|         my_view = BasicViewSet.as_view(actions={
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|             'get': 'list',
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|         })
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| 
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|         response = my_view(request)
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|         assert response.status_code == status.HTTP_200_OK
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|         assert response.data == {'ACTION': 'LIST'}
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| 
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|     def test_head_request_against_viewset(self):
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|         request = factory.head('/', '', content_type='application/json')
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|         my_view = BasicViewSet.as_view(actions={
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|             'get': 'list',
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|         })
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| 
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|         response = my_view(request)
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|         assert response.status_code == status.HTTP_200_OK
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| 
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|     def test_initialize_view_set_with_empty_actions(self):
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|         with pytest.raises(TypeError) as excinfo:
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|             BasicViewSet.as_view()
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| 
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|         assert str(excinfo.value) == (
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|             "The `actions` argument must be provided "
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|             "when calling `.as_view()` on a ViewSet. "
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|             "For example `.as_view({'get': 'list'})`")
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| 
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|     def test_initialize_view_set_with_both_name_and_suffix(self):
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|         with pytest.raises(TypeError) as excinfo:
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|             BasicViewSet.as_view(name='', suffix='', actions={
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|                 'get': 'list',
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|             })
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| 
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|         assert str(excinfo.value) == (
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|             "BasicViewSet() received both `name` and `suffix`, "
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|             "which are mutually exclusive arguments.")
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| 
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|     def test_args_kwargs_request_action_map_on_self(self):
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|         """
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|         Test a view only has args, kwargs, request, action_map
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|         once `as_view` has been called.
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|         """
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|         bare_view = InstanceViewSet()
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|         view = InstanceViewSet.as_view(actions={
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|             'get': 'dummy',
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|         })(factory.get('/')).data['view']
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| 
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|         for attribute in ('args', 'kwargs', 'request', 'action_map'):
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|             self.assertNotIn(attribute, dir(bare_view))
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|             self.assertIn(attribute, dir(view))
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| 
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|     def test_viewset_action_attr(self):
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|         view = ActionViewSet.as_view(actions={'get': 'list'})
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| 
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|         get = view(factory.get('/'))
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|         head = view(factory.head('/'))
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|         assert get.view.action == 'list'
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|         assert head.view.action == 'list'
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| 
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|     def test_viewset_action_attr_for_extra_action(self):
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|         view = ActionViewSet.as_view(actions=dict(ActionViewSet.list_action.mapping))
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| 
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|         get = view(factory.get('/'))
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|         head = view(factory.head('/'))
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|         assert get.view.action == 'list_action'
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|         assert head.view.action == 'list_action'
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| 
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|     @unittest.skipUnless(DJANGO_VERSION >= (5, 1), 'Only for Django 5.1+')
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|     def test_login_required_middleware_compat(self):
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|         view = ActionViewSet.as_view(actions={'get': 'list'})
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|         assert view.login_required is False
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| 
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| 
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| class GetExtraActionsTests(TestCase):
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| 
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|     def test_extra_actions(self):
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|         view = ActionViewSet()
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|         actual = [action.__name__ for action in view.get_extra_actions()]
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|         expected = [
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|             'custom_detail_action',
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|             'custom_list_action',
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|             'detail_action',
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|             'list_action',
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|             'unresolvable_detail_action',
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|             'wrapped_detail_action',
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|             'wrapped_list_action',
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|         ]
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| 
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|         self.assertEqual(actual, expected)
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| 
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|     def test_should_only_return_decorated_methods(self):
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|         view = ActionViewSetWithMapping()
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|         actual = [action.__name__ for action in view.get_extra_actions()]
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|         expected = [
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|             'custom_detail_action',
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|             'custom_list_action',
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|             'detail_action',
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|             'list_action',
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|             'unresolvable_detail_action',
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|             'wrapped_detail_action',
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|             'wrapped_list_action',
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|         ]
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|         self.assertEqual(actual, expected)
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| 
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|     def test_attr_name_check(self):
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|         def decorate(fn):
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|             def wrapper(self, request, *args, **kwargs):
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|                 return fn(self, request, *args, **kwargs)
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|             return wrapper
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| 
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|         class ActionViewSet(GenericViewSet):
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|             queryset = Action.objects.all()
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| 
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|             @action(detail=False)
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|             @decorate
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|             def wrapped_list_action(self, request, *args, **kwargs):
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|                 raise NotImplementedError
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| 
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|         view = ActionViewSet()
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|         with pytest.raises(AssertionError) as excinfo:
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|             view.get_extra_actions()
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| 
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|         assert str(excinfo.value) == (
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|             'Expected function (`wrapper`) to match its attribute name '
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|             '(`wrapped_list_action`). If using a decorator, ensure the inner '
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|             'function is decorated with `functools.wraps`, or that '
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|             '`wrapper.__name__` is otherwise set to `wrapped_list_action`.')
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| 
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| 
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| @override_settings(ROOT_URLCONF='tests.test_viewsets')
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| class GetExtraActionUrlMapTests(TestCase):
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| 
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|     def test_list_view(self):
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|         response = self.client.get('/api/actions/')
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|         view = response.view
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| 
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|         expected = {
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|             'Custom list action': 'http://testserver/api/actions/custom_list_action/',
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|             'List action': 'http://testserver/api/actions/list_action/',
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|             'Wrapped list action': 'http://testserver/api/actions/wrapped_list_action/',
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|         }
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| 
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|         self.assertEqual(view.get_extra_action_url_map(), expected)
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| 
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|     def test_detail_view(self):
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|         response = self.client.get('/api/actions/1/')
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|         view = response.view
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| 
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|         expected = {
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|             'Custom detail action': 'http://testserver/api/actions/1/custom_detail_action/',
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|             'Detail action': 'http://testserver/api/actions/1/detail_action/',
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|             'Wrapped detail action': 'http://testserver/api/actions/1/wrapped_detail_action/',
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|             # "Unresolvable detail action" excluded, since it's not resolvable
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|         }
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| 
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|         self.assertEqual(view.get_extra_action_url_map(), expected)
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| 
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|     def test_uninitialized_view(self):
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|         self.assertEqual(ActionViewSet().get_extra_action_url_map(), {})
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| 
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|     def test_action_names(self):
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|         # Action 'name' and 'suffix' kwargs should be respected
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|         response = self.client.get('/api/names/1/')
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|         view = response.view
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| 
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|         expected = {
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|             'Custom Name': 'http://testserver/api/names/1/named_action/',
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|             'Action Names Custom Suffix': 'http://testserver/api/names/1/suffixed_action/',
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|             'Unnamed action': 'http://testserver/api/names/1/unnamed_action/',
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|         }
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| 
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|         self.assertEqual(view.get_extra_action_url_map(), expected)
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| 
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| 
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| @override_settings(ROOT_URLCONF='tests.test_viewsets')
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| class ReverseActionTests(TestCase):
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|     def test_default_basename(self):
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|         view = ActionViewSet()
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|         view.basename = router.get_default_basename(ActionViewSet)
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|         view.request = None
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| 
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|         assert view.reverse_action('list') == '/api/actions/'
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|         assert view.reverse_action('list-action') == '/api/actions/list_action/'
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|         assert view.reverse_action('list-custom') == '/api/actions/custom_list_action/'
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| 
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|         assert view.reverse_action('detail', args=['1']) == '/api/actions/1/'
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|         assert view.reverse_action('detail-action', args=['1']) == '/api/actions/1/detail_action/'
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|         assert view.reverse_action('detail-custom', args=['1']) == '/api/actions/1/custom_detail_action/'
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| 
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|     def test_custom_basename(self):
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|         view = ActionViewSet()
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|         view.basename = 'actions-alt'
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|         view.request = None
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| 
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|         assert view.reverse_action('list') == '/api/actions-alt/'
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|         assert view.reverse_action('list-action') == '/api/actions-alt/list_action/'
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|         assert view.reverse_action('list-custom') == '/api/actions-alt/custom_list_action/'
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| 
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|         assert view.reverse_action('detail', args=['1']) == '/api/actions-alt/1/'
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|         assert view.reverse_action('detail-action', args=['1']) == '/api/actions-alt/1/detail_action/'
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|         assert view.reverse_action('detail-custom', args=['1']) == '/api/actions-alt/1/custom_detail_action/'
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| 
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|     def test_request_passing(self):
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|         view = ActionViewSet()
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|         view.basename = router.get_default_basename(ActionViewSet)
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|         view.request = factory.get('/')
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| 
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|         # Passing the view's request object should result in an absolute URL.
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|         assert view.reverse_action('list') == 'http://testserver/api/actions/'
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| 
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|         # Users should be able to explicitly not pass the view's request.
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|         assert view.reverse_action('list', request=None) == '/api/actions/'
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