From 2808cdc8fb15ad27f83af3e62db69f5ea7ced29e Mon Sep 17 00:00:00 2001
From: Hasan Ramezani <hasan.r67@gmail.com>
Date: Mon, 7 Sep 2020 13:33:47 +0200
Subject: Fixed #31962 -- Made SessionMiddleware raise SessionInterrupted when
 session destroyed while request is processing.

---
 tests/view_tests/tests/test_debug.py | 20 ++++++++++++++++++++
 tests/view_tests/urls.py             |  1 +
 tests/view_tests/views.py            |  8 +++++++-
 3 files changed, 28 insertions(+), 1 deletion(-)

(limited to 'tests/view_tests')

diff --git a/tests/view_tests/tests/test_debug.py b/tests/view_tests/tests/test_debug.py
index 6d1b3e6f48..2337d3ed3d 100644
--- a/tests/view_tests/tests/test_debug.py
+++ b/tests/view_tests/tests/test_debug.py
@@ -86,6 +86,16 @@ class DebugViewTests(SimpleTestCase):
             response = self.client.get('/raises400/')
         self.assertContains(response, '<div class="context" id="', status_code=400)
 
+    def test_400_bad_request(self):
+        # When DEBUG=True, technical_500_template() is called.
+        with self.assertLogs('django.request', 'WARNING') as cm:
+            response = self.client.get('/raises400_bad_request/')
+        self.assertContains(response, '<div class="context" id="', status_code=400)
+        self.assertEqual(
+            cm.records[0].getMessage(),
+            'Malformed request syntax: /raises400_bad_request/',
+        )
+
     # Ensure no 403.html template exists to test the default case.
     @override_settings(TEMPLATES=[{
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
@@ -321,6 +331,16 @@ class NonDjangoTemplatesDebugViewTests(SimpleTestCase):
             response = self.client.get('/raises400/')
         self.assertContains(response, '<div class="context" id="', status_code=400)
 
+    def test_400_bad_request(self):
+        # When DEBUG=True, technical_500_template() is called.
+        with self.assertLogs('django.request', 'WARNING') as cm:
+            response = self.client.get('/raises400_bad_request/')
+        self.assertContains(response, '<div class="context" id="', status_code=400)
+        self.assertEqual(
+            cm.records[0].getMessage(),
+            'Malformed request syntax: /raises400_bad_request/',
+        )
+
     def test_403(self):
         response = self.client.get('/raises403/')
         self.assertContains(response, '<h1>403 Forbidden</h1>', status_code=403)
diff --git a/tests/view_tests/urls.py b/tests/view_tests/urls.py
index 6c6f73467a..f394934f4d 100644
--- a/tests/view_tests/urls.py
+++ b/tests/view_tests/urls.py
@@ -23,6 +23,7 @@ urlpatterns = [
     path('raises/', views.raises),
 
     path('raises400/', views.raises400),
+    path('raises400_bad_request/', views.raises400_bad_request),
     path('raises403/', views.raises403),
     path('raises404/', views.raises404),
     path('raises500/', views.raises500),
diff --git a/tests/view_tests/views.py b/tests/view_tests/views.py
index 36c7bda4b4..3d7d0908b0 100644
--- a/tests/view_tests/views.py
+++ b/tests/view_tests/views.py
@@ -3,7 +3,9 @@ import decimal
 import logging
 import sys
 
-from django.core.exceptions import PermissionDenied, SuspiciousOperation
+from django.core.exceptions import (
+    BadRequest, PermissionDenied, SuspiciousOperation,
+)
 from django.http import Http404, HttpResponse, JsonResponse
 from django.shortcuts import render
 from django.template import TemplateDoesNotExist
@@ -50,6 +52,10 @@ def raises400(request):
     raise SuspiciousOperation
 
 
+def raises400_bad_request(request):
+    raise BadRequest('Malformed request syntax')
+
+
 def raises403(request):
     raise PermissionDenied("Insufficient Permissions")
 
-- 
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