old_contents: import logging
  from django.test import TestCase, RequestFactory
  from log_request_id.middleware import RequestIDMiddleware
  from testproject.views import test_view
  
  
  class RequestIDLoggingTestCase(TestCase):
  
      def setUp(self):
          self.factory = RequestFactory()
          self.handler = logging.getLogger('testproject').handlers[0]
  
      def test_id_generation(self):
          request = self.factory.get('/')
          middleware = RequestIDMiddleware()
          middleware.process_request(request)
          self.assertTrue(hasattr(request, 'id'))
          test_view(request)
          self.assertTrue(request.id in self.handler.messages[0])
  
new_contents: import logging
  from django.test import TestCase, RequestFactory
  from log_request_id.middleware import RequestIDMiddleware
  from testproject.views import test_view
  
  
  class RequestIDLoggingTestCase(TestCase):
  
      def setUp(self):
          self.factory = RequestFactory()
          self.handler = logging.getLogger('testproject').handlers[0]
          self.handler.messages = []
  
      def test_id_generation(self):
          request = self.factory.get('/')
          middleware = RequestIDMiddleware()
          middleware.process_request(request)
          self.assertTrue(hasattr(request, 'id'))
          test_view(request)
          self.assertTrue(request.id in self.handler.messages[0])
  
      def test_external_id_in_http_header(self):
          with self.settings(LOG_REQUEST_ID_HEADER='REQUEST_ID_HEADER'):
              request = self.factory.get('/')
              request.META['REQUEST_ID_HEADER'] = 'some_request_id'
              middleware = RequestIDMiddleware()
              middleware.process_request(request)
              self.assertEqual(request.id, 'some_request_id')
              test_view(request)
              self.assertTrue('some_request_id' in self.handler.messages[0])
  
subject: Add test for externally-generated request IDs