def test_compress_response(self):
"""
Tests that compression is performed on responses with compressible content.
"""
r = GZipMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.decompress(r.content), self.compressible_string)
self.assertEqual(r.get('Content-Encoding'), 'gzip')
self.assertEqual(r.get('Content-Length'), str(len(r.content)))
def test_compress_response(self):
"""
Tests that ETag is changed after gzip compression is performed.
"""
request = self.rf.get('/', HTTP_ACCEPT_ENCODING='gzip, deflate')
response = GZipMiddleware().process_response(request,
CommonMiddleware().process_response(request,
HttpResponse(self.compressible_string)))
gzip_etag = response.get('ETag')
request = self.rf.get('/', HTTP_ACCEPT_ENCODING='')
response = GZipMiddleware().process_response(request,
CommonMiddleware().process_response(request,
HttpResponse(self.compressible_string)))
nogzip_etag = response.get('ETag')
self.assertNotEqual(gzip_etag, nogzip_etag)
def test_no_compress_uncompressible_response(self):
"""
Tests that compression isn't performed on responses with uncompressible content.
"""
self.resp.content = self.uncompressible_string
r = GZipMiddleware().process_response(self.req, self.resp)
self.assertEqual(r.content, self.uncompressible_string)
self.assertEqual(r.get('Content-Encoding'), None)
def test_no_compress_compressed_response(self):
"""
Tests that compression isn't performed on responses that are already compressed.
"""
self.resp['Content-Encoding'] = 'deflate'
r = GZipMiddleware().process_response(self.req, self.resp)
self.assertEqual(r.content, self.compressible_string)
self.assertEqual(r.get('Content-Encoding'), 'deflate')
def test_no_compress_ie_js_requests(self):
"""
Tests that compression isn't performed on JavaScript requests from Internet Explorer.
"""
self.req.META['HTTP_USER_AGENT'] = 'Mozilla/4.0 (compatible; MSIE 5.00; Windows 98)'
self.resp['Content-Type'] = 'application/javascript; charset=UTF-8'
r = GZipMiddleware().process_response(self.req, self.resp)
self.assertEqual(r.content, self.compressible_string)
self.assertEqual(r.get('Content-Encoding'), None)
def test_compress_non_200_response(self):
"""
Tests that compression is performed on responses with a status other than 200.
See #10762.
"""
self.resp.status_code = 404
r = GZipMiddleware().process_response(self.req, self.resp)
self.assertEqual(self.decompress(r.content), self.compressible_string)
self.assertEqual(r.get('Content-Encoding'), 'gzip')