chrome/browser/net/url_request_mock_util.cc

   1 // Copyright (c) 2012 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 #include "chrome/browser/net/url_request_mock_util.h"
   6
   7 #include <string>
   8
   9 #include "base/path_service.h"
  10 #include "base/threading/thread_restrictions.h"
  11 #include "chrome/browser/google/google_util.h"
  12 #include "chrome/common/chrome_paths.h"
  13 #include "content/public/browser/browser_thread.h"
  14 #include "content/test/net/url_request_failed_job.h"
  15 #include "content/test/net/url_request_mock_http_job.h"
  16 #include "content/test/net/url_request_slow_download_job.h"
  17 #include "net/url_request/url_request_filter.h"
  18
  19 using content::BrowserThread;
  20
  21 namespace chrome_browser_net {
  22
  23 void SetUrlRequestMocksEnabled(bool enabled) {
  24   // Since this involves changing the net::URLRequest ProtocolFactory, we need
  25   // to run on the IO thread.
  26   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  27
  28   if (enabled) {
  29     // We have to look around for our helper files, but we only use
  30     // this from tests, so allow these IO operations to happen
  31     // anywhere.
  32     base::ThreadRestrictions::ScopedAllowIO allow_io;
  33
  34     net::URLRequestFilter::GetInstance()->ClearHandlers();
  35
  36     content::URLRequestFailedJob::AddUrlHandler();
  37     content::URLRequestSlowDownloadJob::AddUrlHandler();
  38
  39     base::FilePath root_http;
  40     PathService::Get(chrome::DIR_TEST_DATA, &root_http);
  41     content::URLRequestMockHTTPJob::AddUrlHandler(root_http);
  42     content::URLRequestMockHTTPJob::AddHostnameToFileHandler(
  43         google_util::LinkDoctorBaseURL().host(),
  44         root_http.AppendASCII("mock-link-doctor.json"));
  45   } else {
  46     // Revert to the default handlers.
  47     net::URLRequestFilter::GetInstance()->ClearHandlers();
  48   }
  49 }
  50
  51 }  // namespace chrome_browser_net