test_launcher_utils.cc revision c2db58bd994c04d98e4ee2cd7565b71548655fe3 
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/strings/string_number_conversions.h"
13#include "chrome/common/chrome_paths.h"
14#include "chrome/common/chrome_switches.h"
15
16#if defined(USE_AURA)
17#include "ui/views/corewm/corewm_switches.h"
18#endif
19
20namespace test_launcher_utils {
21
22void PrepareBrowserCommandLineForTests(CommandLine* command_line) {
23  // Turn off tip loading for tests; see http://crbug.com/17725.
24  command_line->AppendSwitch(switches::kDisableWebResources);
25
26  // Turn off preconnects because they break the brittle python webserver;
27  // see http://crbug.com/60035.
28  command_line->AppendSwitch(switches::kDisablePreconnect);
29
30  // Don't show the first run ui.
31  command_line->AppendSwitch(switches::kNoFirstRun);
32
33  // No default browser check, it would create an info-bar (if we are not the
34  // default browser) that could conflicts with some tests expectations.
35  command_line->AppendSwitch(switches::kNoDefaultBrowserCheck);
36
37  // Enable info level logging to stderr by default so that we can see when
38  // bad stuff happens, but honor the flags specified from the command line.
39  if (!command_line->HasSwitch(switches::kEnableLogging))
40    command_line->AppendSwitchASCII(switches::kEnableLogging, "stderr");
41  if (!command_line->HasSwitch(switches::kLoggingLevel))
42    command_line->AppendSwitchASCII(switches::kLoggingLevel, "0");  // info
43
44  // Disable safebrowsing autoupdate.
45  command_line->AppendSwitch(switches::kSbDisableAutoUpdate);
46
47  // Don't install default apps.
48  command_line->AppendSwitch(switches::kDisableDefaultApps);
49
50  // Don't collect GPU info, load GPU blacklist, or schedule a GPU blacklist
51  // auto-update.
52  command_line->AppendSwitch(switches::kSkipGpuDataLoading);
53
54#if defined(USE_AURA)
55  // Disable window animations under Ash as the animations effect the
56  // coordinates returned and result in flake.
57  command_line->AppendSwitch(
58      views::corewm::switches::kWindowAnimationsDisabled);
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 base::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
99}  // namespace test_launcher_utils
100