src/chrome/browser/chromeos/login/wallpaper_manager_unittest.cc

   1 // Copyright 2013 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 <cstdlib>
   6 #include <cstring>
   7
   8 #include "ash/ash_resources/grit/ash_resources.h"
   9 #include "ash/desktop_background/desktop_background_controller.h"
  10 #include "ash/shell.h"
  11 #include "ash/test/ash_test_base.h"
  12 #include "base/command_line.h"
  13 #include "base/file_util.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "base/prefs/pref_service.h"
  16 #include "base/prefs/testing_pref_service.h"
  17 #include "chrome/browser/chromeos/login/startup_utils.h"
  18 #include "chrome/browser/chromeos/login/user_manager.h"
  19 #include "chrome/browser/chromeos/login/user_manager_impl.h"
  20 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
  21 #include "chrome/browser/chromeos/settings/cros_settings.h"
  22 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  23 #include "chrome/test/base/testing_browser_process.h"
  24 #include "chromeos/chromeos_switches.h"
  25 #include "chromeos/settings/cros_settings_names.h"
  26 #include "chromeos/settings/cros_settings_provider.h"
  27 #include "content/public/test/test_browser_thread.h"
  28 #include "testing/gtest/include/gtest/gtest.h"
  29 #include "ui/base/resource/resource_bundle.h"
  30
  31 using namespace ash;
  32
  33 const char kTestUser1[] = "test-user@example.com";
  34 const char kTestUser1Hash[] = "test-user@example.com-hash";
  35
  36 namespace chromeos {
  37
  38 class WallpaperManagerTest : public test::AshTestBase {
  39  public:
  40   WallpaperManagerTest() : command_line_(CommandLine::NO_PROGRAM) {}
  41
  42   virtual ~WallpaperManagerTest() {}
  43
  44   virtual void SetUp() OVERRIDE {
  45     test::AshTestBase::SetUp();
  46
  47     // Register an in-memory local settings instance.
  48     local_state_.reset(new TestingPrefServiceSimple);
  49     TestingBrowserProcess::GetGlobal()->SetLocalState(local_state_.get());
  50     UserManager::RegisterPrefs(local_state_->registry());
  51     // Wallpaper manager and user image managers prefs will be accessed by the
  52     // unit-test as well.
  53     UserImageManager::RegisterPrefs(local_state_->registry());
  54     WallpaperManager::RegisterPrefs(local_state_->registry());
  55
  56     StartupUtils::RegisterPrefs(local_state_->registry());
  57     StartupUtils::MarkDeviceRegistered();
  58
  59     ResetUserManager();
  60   }
  61
  62   virtual void TearDown() OVERRIDE {
  63     // Unregister the in-memory local settings instance.
  64     TestingBrowserProcess::GetGlobal()->SetLocalState(0);
  65
  66     // Shut down the DeviceSettingsService.
  67     DeviceSettingsService::Get()->UnsetSessionManager();
  68
  69     test::AshTestBase::TearDown();
  70   }
  71
  72   void ResetUserManager() {
  73     // Reset the UserManager singleton.
  74     user_manager_enabler_.reset();
  75     // Initialize the UserManager singleton to a fresh UserManagerImpl instance.
  76     user_manager_enabler_.reset(
  77         new ScopedUserManagerEnabler(new UserManagerImpl));
  78   }
  79
  80   void AppendGuestSwitch() {
  81     command_line_.AppendSwitch(switches::kGuestSession);
  82     WallpaperManager::Get()->set_command_line_for_testing(&command_line_);
  83   }
  84
  85  protected:
  86   CommandLine command_line_;
  87
  88   scoped_ptr<TestingPrefServiceSimple> local_state_;
  89
  90   ScopedTestDeviceSettingsService test_device_settings_service_;
  91   ScopedTestCrosSettings test_cros_settings_;
  92
  93   scoped_ptr<ScopedUserManagerEnabler> user_manager_enabler_;
  94
  95  private:
  96   DISALLOW_COPY_AND_ASSIGN(WallpaperManagerTest);
  97 };
  98
  99 // Test for crbug.com/260755. If this test fails, it is probably because the
 100 // wallpaper of last logged in user is set as guest wallpaper.
 101 TEST_F(WallpaperManagerTest, GuestUserUseGuestWallpaper) {
 102   UserManager::Get()->UserLoggedIn(kTestUser1, kTestUser1Hash, false);
 103
 104   std::string relative_path =
 105       base::FilePath(kTestUser1Hash).Append(FILE_PATH_LITERAL("DUMMY")).value();
 106   // Saves wallpaper info to local state for user |kTestUser1|.
 107   WallpaperInfo info = {
 108       relative_path,
 109       WALLPAPER_LAYOUT_CENTER_CROPPED,
 110       User::CUSTOMIZED,
 111       base::Time::Now().LocalMidnight()
 112   };
 113   WallpaperManager::Get()->SetUserWallpaperInfo(kTestUser1, info, true);
 114   ResetUserManager();
 115
 116   AppendGuestSwitch();
 117   scoped_ptr<WallpaperManager::TestApi> test_api;
 118   test_api.reset(new WallpaperManager::TestApi(WallpaperManager::Get()));
 119   // If last logged in user's wallpaper is used in function InitializeWallpaper,
 120   // this test will crash. InitializeWallpaper should be a noop after
 121   // AppendGuestSwitch being called.
 122   WallpaperManager::Get()->InitializeWallpaper();
 123   EXPECT_TRUE(test_api->current_wallpaper_path().empty());
 124   UserManager::Get()->UserLoggedIn(UserManager::kGuestUserName,
 125                                    UserManager::kGuestUserName, false);
 126   EXPECT_FALSE(ash::Shell::GetInstance()->desktop_background_controller()->
 127       SetDefaultWallpaper(true));
 128 }
 129
 130 }  // namespace chromeos