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
19using content::BrowserThread;
20
21namespace chrome_browser_net {
22
23void 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.html"));
45  } else {
46    // Revert to the default handlers.
47    net::URLRequestFilter::GetInstance()->ClearHandlers();
48  }
49}
50
51}  // namespace chrome_browser_net
52