tests

tests/test_serializer.py

@@ -636,6 +636,8 @@ class Test2555Regression:
             nested = NestedSerializer()
 
         serializer = ParentSerializer(data={}, context={'foo': 'bar'})
+        serializer.context.pop('request', None)
+        serializer.fields['nested'].context.pop('request', None)
         assert serializer.context == {'foo': 'bar'}
         assert serializer.fields['nested'].context == {'foo': 'bar'}
 

tests/test_views.py

@@ -1,9 +1,12 @@
 import copy
+import sys
 
+import pytest
 from django.test import TestCase
 
-from rest_framework import status
+from rest_framework import serializers, status
 from rest_framework.decorators import api_view
+from rest_framework.request import Request
 from rest_framework.response import Response
 from rest_framework.settings import APISettings, api_settings
 from rest_framework.test import APIRequestFactory
@@ -22,6 +25,16 @@ class BasicView(APIView):
         return Response({'method': 'POST', 'data': request.data})
 
 
+class ViewWithSerializer(APIView):
+    serializer_class = serializers.Serializer
+
+    def get(self, request, *args, **kwargs):
+        serializer = self.serializer_class()
+        response = Response()
+        response.serializer = serializer
+        return response
+
+
 @api_view(['GET', 'POST', 'PUT', 'PATCH'])
 def basic_view(request):
     if request.method == 'GET':
@@ -136,3 +149,20 @@ class TestCustomSettings(TestCase):
         response = self.view(request)
         assert response.status_code == 400
         assert response.data == {'error': 'SyntaxError'}
+
+
+class TestRequestContextVar(TestCase):
+    def setUp(self):
+        self.view = ViewWithSerializer.as_view()
+
+    @pytest.mark.skipif(
+        sys.version_info < (3, 7),
+        reason="contextvars require Python 3.7 or higher",
+    )
+    def test_request_context_var(self):
+        request = factory.get('/', content_type='application/json')
+        response = self.view(request)
+        assert Request.get_current() is not None
+        assert Request.get_current().method == request.method
+        assert Request.get_current().path == request.path
+        assert response.serializer.context['request'] is Request.get_current()