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import gzip
from django.http import HttpRequest, HttpResponse, StreamingHttpResponse
from django.test import SimpleTestCase
from django.test.client import conditional_content_removal
class ConditionalContentTests(SimpleTestCase):
def test_conditional_content_removal(self):
"""
Content is removed from regular and streaming responses with a
status_code of 100-199, 204, 304, or a method of "HEAD".
"""
req = HttpRequest()
# Do nothing for 200 responses.
res = HttpResponse("abc")
conditional_content_removal(req, res)
self.assertEqual(res.content, b"abc")
res = StreamingHttpResponse(["abc"])
conditional_content_removal(req, res)
self.assertEqual(b"".join(res), b"abc")
# Strip content for some status codes.
for status_code in (100, 150, 199, 204, 304):
res = HttpResponse("abc", status=status_code)
conditional_content_removal(req, res)
self.assertEqual(res.content, b"")
res = StreamingHttpResponse(["abc"], status=status_code)
conditional_content_removal(req, res)
self.assertEqual(b"".join(res), b"")
# Issue #20472
abc = gzip.compress(b"abc")
res = HttpResponse(abc, status=304)
res["Content-Encoding"] = "gzip"
conditional_content_removal(req, res)
self.assertEqual(res.content, b"")
res = StreamingHttpResponse([abc], status=304)
res["Content-Encoding"] = "gzip"
conditional_content_removal(req, res)
self.assertEqual(b"".join(res), b"")
# Strip content for HEAD requests.
req.method = "HEAD"
res = HttpResponse("abc")
conditional_content_removal(req, res)
self.assertEqual(res.content, b"")
res = StreamingHttpResponse(["abc"])
conditional_content_removal(req, res)
self.assertEqual(b"".join(res), b"")
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