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71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
from __future__ import unicode_literals
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import io
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import gzip
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from django.http import HttpRequest, HttpResponse, StreamingHttpResponse
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from django.http.utils import conditional_content_removal
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from django.test import TestCase
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# based on Python 3.3's gzip.compress
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def gzip_compress(data):
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buf = io.BytesIO()
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f = gzip.GzipFile(fileobj=buf, mode='wb', compresslevel=0)
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try:
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f.write(data)
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finally:
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f.close()
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return buf.getvalue()
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class HttpUtilTests(TestCase):
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def test_conditional_content_removal(self):
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"""
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Tests that content is removed from regular and streaming responses with
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a status_code of 100-199, 204, 304 or a method of "HEAD".
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"""
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req = HttpRequest()
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# Do nothing for 200 responses.
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res = HttpResponse('abc')
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conditional_content_removal(req, res)
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self.assertEqual(res.content, b'abc')
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res = StreamingHttpResponse(['abc'])
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conditional_content_removal(req, res)
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self.assertEqual(b''.join(res), b'abc')
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# Strip content for some status codes.
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for status_code in (100, 150, 199, 204, 304):
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res = HttpResponse('abc', status=status_code)
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conditional_content_removal(req, res)
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self.assertEqual(res.content, b'')
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res = StreamingHttpResponse(['abc'], status=status_code)
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conditional_content_removal(req, res)
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self.assertEqual(b''.join(res), b'')
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# Issue #20472
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abc = gzip_compress(b'abc')
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res = HttpResponse(abc, status=304)
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res['Content-Encoding'] = 'gzip'
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conditional_content_removal(req, res)
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self.assertEqual(res.content, b'')
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res = StreamingHttpResponse([abc], status=304)
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res['Content-Encoding'] = 'gzip'
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conditional_content_removal(req, res)
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self.assertEqual(b''.join(res), b'')
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# Strip content for HEAD requests.
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req.method = 'HEAD'
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res = HttpResponse('abc')
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conditional_content_removal(req, res)
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self.assertEqual(res.content, b'')
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res = StreamingHttpResponse(['abc'])
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conditional_content_removal(req, res)
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self.assertEqual(b''.join(res), b'')
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