test_launcher_utils.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
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/test/base/test_launcher_utils.h"
6
7#include "base/command_line.h"
8#include "base/environment.h"
9#include "base/logging.h"
10#include "base/memory/scoped_ptr.h"
11#include "base/path_service.h"
12#include "base/string_number_conversions.h"
13#include "chrome/common/chrome_paths.h"
14#include "chrome/common/chrome_switches.h"
15#include "ui/gl/gl_switches.h"
16
17#if defined(USE_ASH)
18#include "ash/ash_switches.h"
19#endif
20
21namespace test_launcher_utils {
22
23void PrepareBrowserCommandLineForTests(CommandLine* command_line) {
24  // Turn off tip loading for tests; see http://crbug.com/17725.
25  command_line->AppendSwitch(switches::kDisableWebResources);
26
27  // Turn off preconnects because they break the brittle python webserver;
28  // see http://crbug.com/60035.
29  command_line->AppendSwitch(switches::kDisablePreconnect);
30
31  // Turn off built-in asynchronous DNS client.
32  command_line->AppendSwitch(switches::kDisableAsyncDns);
33
34  // Don't show the first run ui.
35  command_line->AppendSwitch(switches::kNoFirstRun);
36
37  // No default browser check, it would create an info-bar (if we are not the
38  // default browser) that could conflicts with some tests expectations.
39  command_line->AppendSwitch(switches::kNoDefaultBrowserCheck);
40
41  // Enable warning level logging so that we can see when bad stuff happens.
42  command_line->AppendSwitch(switches::kEnableLogging);
43  command_line->AppendSwitchASCII(switches::kLoggingLevel, "1");  // warning
44
45  // Disable safebrowsing autoupdate.
46  command_line->AppendSwitch(switches::kSbDisableAutoUpdate);
47
48  // Don't install default apps.
49  command_line->AppendSwitch(switches::kDisableDefaultApps);
50
51  // Don't collect GPU info, load GPU blacklist, or schedule a GPU blacklist
52  // auto-update.
53  command_line->AppendSwitch(switches::kSkipGpuDataLoading);
54
55#if defined(USE_ASH)
56  // Disable window animations under Ash as the animations effect the
57  // coordinates returned and result in flake.
58  command_line->AppendSwitch(ash::switches::kAshWindowAnimationsDisabled);
59#endif
60
61#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
62  // Don't use the native password stores on Linux since they may
63  // prompt for additional UI during tests and cause test failures or
64  // timeouts.  Win, Mac and ChromeOS don't look at the kPasswordStore
65  // switch.
66  if (!command_line->HasSwitch(switches::kPasswordStore))
67    command_line->AppendSwitchASCII(switches::kPasswordStore, "basic");
68#endif
69
70#if defined(OS_MACOSX)
71  // Use mock keychain on mac to prevent blocking permissions dialogs.
72  command_line->AppendSwitch(switches::kUseMockKeychain);
73#endif
74
75  command_line->AppendSwitch(switches::kDisableComponentUpdate);
76}
77
78bool OverrideUserDataDir(const FilePath& user_data_dir) {
79  bool success = true;
80
81  // PathService::Override() is the best way to change the user data directory.
82  // This matches what is done in ChromeMain().
83  success = PathService::Override(chrome::DIR_USER_DATA, user_data_dir);
84
85#if defined(OS_POSIX) && !defined(OS_MACOSX)
86  // Make sure the cache directory is inside our clear profile. Otherwise
87  // the cache may contain data from earlier tests that could break the
88  // current test.
89  //
90  // Note: we use an environment variable here, because we have to pass the
91  // value to the child process. This is the simplest way to do it.
92  scoped_ptr<base::Environment> env(base::Environment::Create());
93  success = success && env->SetVar("XDG_CACHE_HOME", user_data_dir.value());
94#endif
95
96  return success;
97}
98
99bool OverrideGLImplementation(CommandLine* command_line,
100                              const std::string& implementation_name) {
101  if (command_line->HasSwitch(switches::kUseGL))
102    return false;
103
104  command_line->AppendSwitchASCII(switches::kUseGL, implementation_name);
105
106  return true;
107}
108
109}  // namespace test_launcher_utils
110