tests for #5127 (#7715)

* tests for #5127

* Resolves #5127

tests/browsable_api/no_auth_urls.py

@@ -1,7 +1,8 @@
 from django.urls import path
 
-from .views import MockView
+from .views import BasicModelWithUsersViewSet, MockView
 
 urlpatterns = [
     path('', MockView.as_view()),
+    path('basicviewset', BasicModelWithUsersViewSet.as_view({'get': 'list'})),
 ]

tests/browsable_api/serializers.py

@@ -0,0 +1,8 @@
+from rest_framework.serializers import ModelSerializer
+from tests.models import BasicModelWithUsers
+
+
+class BasicSerializer(ModelSerializer):
+    class Meta:
+        model = BasicModelWithUsers
+        fields = '__all__'

tests/browsable_api/test_browsable_api.py

@@ -1,8 +1,35 @@
 from django.contrib.auth.models import User
 from django.test import TestCase, override_settings
 
+from rest_framework.permissions import IsAuthenticated
 from rest_framework.test import APIClient
 
+from .views import BasicModelWithUsersViewSet, OrganizationPermissions
+
+
+@override_settings(ROOT_URLCONF='tests.browsable_api.no_auth_urls')
+class AnonymousUserTests(TestCase):
+    """Tests correct handling of anonymous user request on endpoints with IsAuthenticated permission class."""
+
+    def setUp(self):
+        self.client = APIClient(enforce_csrf_checks=True)
+
+    def tearDown(self):
+        self.client.logout()
+
+    def test_get_raises_typeerror_when_anonymous_user_in_queryset_filter(self):
+        with self.assertRaises(TypeError):
+            self.client.get('/basicviewset')
+
+    def test_get_returns_http_forbidden_when_anonymous_user(self):
+        old_permissions = BasicModelWithUsersViewSet.permission_classes
+        BasicModelWithUsersViewSet.permission_classes = [IsAuthenticated, OrganizationPermissions]
+
+        response = self.client.get('/basicviewset')
+
+        BasicModelWithUsersViewSet.permission_classes = old_permissions
+        self.assertEqual(response.status_code, 403)
+
 
 @override_settings(ROOT_URLCONF='tests.browsable_api.auth_urls')
 class DropdownWithAuthTests(TestCase):

tests/browsable_api/views.py

@@ -1,6 +1,16 @@
 from rest_framework import authentication, renderers
+from rest_framework.permissions import BasePermission
 from rest_framework.response import Response
 from rest_framework.views import APIView
+from rest_framework.viewsets import ModelViewSet
+
+from ..models import BasicModelWithUsers
+from .serializers import BasicSerializer
+
+
+class OrganizationPermissions(BasePermission):
+    def has_object_permission(self, request, view, obj):
+        return request.user.is_staff or (request.user == obj.owner.organization_user.user)
 
 
 class MockView(APIView):
@@ -9,3 +19,15 @@ class MockView(APIView):
 
     def get(self, request):
         return Response({'a': 1, 'b': 2, 'c': 3})
+
+
+class BasicModelWithUsersViewSet(ModelViewSet):
+    queryset = BasicModelWithUsers.objects.all()
+    serializer_class = BasicSerializer
+    permission_classes = [OrganizationPermissions]
+    # permission_classes = [IsAuthenticated, OrganizationPermissions]
+    renderer_classes = (renderers.BrowsableAPIRenderer, renderers.JSONRenderer)
+
+    def get_queryset(self):
+        qs = super().get_queryset().filter(users=self.request.user)
+        return qs

tests/models.py

@@ -1,5 +1,6 @@
 import uuid
 
+from django.contrib.auth.models import User
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 
@@ -33,6 +34,10 @@ class ManyToManySource(RESTFrameworkModel):
     targets = models.ManyToManyField(ManyToManyTarget, related_name='sources')
 
 
+class BasicModelWithUsers(RESTFrameworkModel):
+    users = models.ManyToManyField(User)
+
+
 # ForeignKey
 class ForeignKeyTarget(RESTFrameworkModel):
     name = models.CharField(max_length=100)