1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
from __future__ import unicode_literals
import gzip
import io
from django.http import HttpRequest, HttpResponse, StreamingHttpResponse
from django.http.utils import conditional_content_removal
from django.test import SimpleTestCase
# based on Python 3.3's gzip.compress
def gzip_compress(data):
buf = io.BytesIO()
f = gzip.GzipFile(fileobj=buf, mode='wb', compresslevel=0)
try:
f.write(data)
finally:
f.close()
return buf.getvalue()
class HttpUtilTests(SimpleTestCase):
def test_conditional_content_removal(self):
"""
Tests that 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'')
|