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/desktop_background/desktop_background_controller.h"
   9 #include "ash/desktop_background/desktop_background_controller_observer.h"
  10 #include "ash/shell.h"
  11 #include "ash/test/ash_test_base.h"
  12 #include "ash/test/display_manager_test_api.h"
  13 #include "ash/test/test_user_wallpaper_delegate.h"
  14 #include "base/command_line.h"
  15 #include "base/file_util.h"
  16 #include "base/files/file_path.h"
  17 #include "base/files/scoped_temp_dir.h"
  18 #include "base/memory/scoped_ptr.h"
  19 #include "base/prefs/pref_service.h"
  20 #include "base/prefs/testing_pref_service.h"
  21 #include "chrome/browser/chromeos/login/fake_user_manager.h"
  22 #include "chrome/browser/chromeos/login/startup_utils.h"
  23 #include "chrome/browser/chromeos/login/user_manager_impl.h"
  24 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
  25 #include "chrome/browser/chromeos/settings/cros_settings.h"
  26 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  27 #include "chrome/browser/prefs/browser_prefs.h"
  28 #include "chrome/common/chrome_switches.h"
  29 #include "chrome/test/base/testing_browser_process.h"
  30 #include "chromeos/chromeos_switches.h"
  31 #include "chromeos/settings/cros_settings_names.h"
  32 #include "chromeos/settings/cros_settings_provider.h"
  33 #include "grit/ash_resources.h"
  34 #include "testing/gtest/include/gtest/gtest.h"
  35 #include "ui/base/resource/resource_bundle.h"
  36 #include "ui/gfx/image/image.h"
  37
  38 using namespace ash;
  39
  40 namespace chromeos {
  41
  42 class WallpaperManagerCacheTest : public test::AshTestBase {
  43  public:
  44   WallpaperManagerCacheTest()
  45       : fake_user_manager_(new FakeUserManager()),
  46         scoped_user_manager_(fake_user_manager_) {
  47   }
  48
  49  protected:
  50   virtual ~WallpaperManagerCacheTest() {}
  51
  52   FakeUserManager* fake_user_manager() { return fake_user_manager_; }
  53
  54   virtual void SetUp() OVERRIDE {
  55     CommandLine::ForCurrentProcess()->AppendSwitch(::switches::kMultiProfiles);
  56     test::AshTestBase::SetUp();
  57   }
  58
  59   // Creates a test image of size 1x1.
  60   gfx::ImageSkia CreateTestImage(SkColor color) {
  61     SkBitmap bitmap;
  62     bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1, 1);
  63     bitmap.allocPixels();
  64     bitmap.eraseColor(color);
  65     return gfx::ImageSkia::CreateFrom1xBitmap(bitmap);
  66   }
  67
  68  private:
  69   FakeUserManager* fake_user_manager_;
  70   ScopedUserManagerEnabler scoped_user_manager_;
  71 };
  72
  73 TEST_F(WallpaperManagerCacheTest, VerifyWallpaperCache) {
  74   // Add three users to known users.
  75   std::string test_user_1 = "test1@example.com";
  76   std::string test_user_2 = "test2@example.com";
  77   std::string test_user_3 = "test3@example.com";
  78   fake_user_manager()->AddUser(test_user_1);
  79   fake_user_manager()->AddUser(test_user_2);
  80   fake_user_manager()->AddUser(test_user_3);
  81
  82   // Login two users.
  83   fake_user_manager()->LoginUser(test_user_1);
  84   fake_user_manager()->LoginUser(test_user_2);
  85
  86   scoped_ptr<WallpaperManager::TestApi> test_api;
  87   test_api.reset(new WallpaperManager::TestApi(WallpaperManager::Get()));
  88
  89   gfx::ImageSkia test_user_1_wallpaper = CreateTestImage(SK_ColorRED);
  90   gfx::ImageSkia test_user_2_wallpaper = CreateTestImage(SK_ColorGREEN);
  91   gfx::ImageSkia test_user_3_wallpaper = CreateTestImage(SK_ColorWHITE);
  92   test_api->SetWallpaperCache(test_user_1, test_user_1_wallpaper);
  93   test_api->SetWallpaperCache(test_user_2, test_user_2_wallpaper);
  94   test_api->SetWallpaperCache(test_user_3, test_user_3_wallpaper);
  95
  96   test_api->ClearDisposableWallpaperCache();
  97
  98   gfx::ImageSkia cached_wallpaper;
  99   EXPECT_TRUE(test_api->GetWallpaperFromCache(test_user_1, &cached_wallpaper));
 100   // Logged in users' wallpaper cache should be kept.
 101   EXPECT_TRUE(cached_wallpaper.BackedBySameObjectAs(test_user_1_wallpaper));
 102   EXPECT_TRUE(test_api->GetWallpaperFromCache(test_user_2, &cached_wallpaper));
 103   EXPECT_TRUE(cached_wallpaper.BackedBySameObjectAs(test_user_2_wallpaper));
 104
 105   // Not logged in user's wallpaper cache should be cleared.
 106   EXPECT_FALSE(test_api->GetWallpaperFromCache(test_user_3, &cached_wallpaper));
 107 }
 108
 109 }  // namespace chromeos