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| 1 # Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is governed by a BSD-style license that can be |
| 3 # found in the LICENSE file. |
| 4 |
| 5 import common |
| 6 from common import TestDriver |
| 7 from common import IntegrationTest |
| 8 |
| 9 |
| 10 class LoFi(IntegrationTest): |
| 11 |
| 12 # Checks that the compressed image is below a certain threshold. |
| 13 # The test page is uncacheable otherwise a cached page may be served that |
| 14 # doesn't have the correct via headers. |
| 15 def testLoFi(self): |
| 16 with TestDriver() as test_driver: |
| 17 test_driver.AddChromeArg('--enable-spdy-proxy-auth') |
| 18 test_driver.AddChromeArg('--data-reduction-proxy-lo-fi=always-on') |
| 19 # Disable server experiments such as tamper detection. |
| 20 test_driver.AddChromeArg('--data-reduction-proxy-server-experiments-' |
| 21 'disabled') |
| 22 test_driver.AddChromeArg('--disable-quic') |
| 23 |
| 24 test_driver.LoadURL('http://check.googlezip.net/static/index.html') |
| 25 |
| 26 lofi_responses = 0 |
| 27 for response in test_driver.GetHTTPResponses(): |
| 28 if not response.url.endswith('png'): |
| 29 continue |
| 30 if not response.request_headers: |
| 31 continue |
| 32 self.assertHasChromeProxyViaHeader(response) |
| 33 content_length = response.response_headers['content-length'] |
| 34 cpat_request = response.request_headers['chrome-proxy-accept-transform'] |
| 35 cpct_response = response.response_headers[ |
| 36 'chrome-proxy-content-transform'] |
| 37 if ('empty-image' in cpct_response): |
| 38 lofi_responses = lofi_responses + 1 |
| 39 self.assertIn('empty-image', cpat_request) |
| 40 self.assertTrue(int(content_length) < 100) |
| 41 |
| 42 # Verify that Lo-Fi responses were seen. |
| 43 self.assertNotEqual(0, lofi_responses) |
| 44 |
| 45 if __name__ == '__main__': |
| 46 IntegrationTest.RunAllTests() |
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