[3.0.x] Fixed #31240 -- Properly closed FileResponse when wsgi.file_wrapper is used.

Thanks to Oskar Persson for the report.

Backport of 41a3b3d18647b258331104520e76f977406c590d from master

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/builtin_server/views.py b/tests/builtin_server/views.py
new file mode 100644
index 0000000000..be7c7e94ab
--- /dev/null
+++ b/tests/builtin_server/views.py
@@ -0,0 +1,15 @@
+from io import BytesIO
+
+from django.http import FileResponse
+
+FILE_RESPONSE_HOLDER = {}
+
+
+def file_response(request):
+    f1 = BytesIO(b"test1")
+    f2 = BytesIO(b"test2")
+    response = FileResponse(f1)
+    response._resource_closers.append(f2.close)
+    FILE_RESPONSE_HOLDER['response'] = response
+    FILE_RESPONSE_HOLDER['buffers'] = (f1, f2)
+    return response