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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstdlib>
#include <cstring>
#include "ash/ash_resources/grit/ash_resources.h"
#include "ash/desktop_background/desktop_background_controller.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/memory/scoped_ptr.h"
#include "base/prefs/pref_service.h"
#include "base/prefs/testing_pref_service.h"
#include "chrome/browser/chromeos/login/fake_user_manager.h"
#include "chrome/browser/chromeos/login/startup_utils.h"
#include "chrome/browser/chromeos/login/user_manager_impl.h"
#include "chrome/browser/chromeos/login/wallpaper_manager.h"
#include "chrome/browser/chromeos/settings/cros_settings.h"
#include "chrome/browser/chromeos/settings/device_settings_service.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chromeos/chromeos_switches.h"
#include "chromeos/settings/cros_settings_names.h"
#include "chromeos/settings/cros_settings_provider.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/resource/resource_bundle.h"
using namespace ash;
const char kTestUser1[] = "test-user@example.com";
const char kTestUser1Hash[] = "test-user@example.com-hash";
namespace chromeos {
class WallpaperManagerTest : public test::AshTestBase {
public:
WallpaperManagerTest() : command_line_(CommandLine::NO_PROGRAM) {}
virtual ~WallpaperManagerTest() {}
virtual void SetUp() OVERRIDE {
test::AshTestBase::SetUp();
// Register an in-memory local settings instance.
local_state_.reset(new TestingPrefServiceSimple);
TestingBrowserProcess::GetGlobal()->SetLocalState(local_state_.get());
UserManager::RegisterPrefs(local_state_->registry());
// Wallpaper manager and user image managers prefs will be accessed by the
// unit-test as well.
UserImageManager::RegisterPrefs(local_state_->registry());
WallpaperManager::RegisterPrefs(local_state_->registry());
StartupUtils::RegisterPrefs(local_state_->registry());
StartupUtils::MarkDeviceRegistered();
ResetUserManager();
}
virtual void TearDown() OVERRIDE {
// Unregister the in-memory local settings instance.
TestingBrowserProcess::GetGlobal()->SetLocalState(0);
// Shut down the DeviceSettingsService.
DeviceSettingsService::Get()->UnsetSessionManager();
test::AshTestBase::TearDown();
}
void ResetUserManager() {
// Reset the UserManager singleton.
user_manager_enabler_.reset();
// Initialize the UserManager singleton to a fresh UserManagerImpl instance.
user_manager_enabler_.reset(
new ScopedUserManagerEnabler(new UserManagerImpl));
}
void AppendGuestSwitch() {
command_line_.AppendSwitch(switches::kGuestSession);
WallpaperManager::Get()->set_command_line_for_testing(&command_line_);
}
void WaitAsyncWallpaperLoad() {
base::MessageLoop::current()->RunUntilIdle();
}
protected:
CommandLine command_line_;
scoped_ptr<TestingPrefServiceSimple> local_state_;
ScopedTestDeviceSettingsService test_device_settings_service_;
ScopedTestCrosSettings test_cros_settings_;
scoped_ptr<ScopedUserManagerEnabler> user_manager_enabler_;
private:
DISALLOW_COPY_AND_ASSIGN(WallpaperManagerTest);
};
// Test for crbug.com/260755. If this test fails, it is probably because the
// wallpaper of last logged in user is set as guest wallpaper.
TEST_F(WallpaperManagerTest, GuestUserUseGuestWallpaper) {
UserManager::Get()->UserLoggedIn(kTestUser1, kTestUser1Hash, false);
std::string relative_path =
base::FilePath(kTestUser1Hash).Append(FILE_PATH_LITERAL("DUMMY")).value();
// Saves wallpaper info to local state for user |kTestUser1|.
WallpaperInfo info = {
relative_path,
WALLPAPER_LAYOUT_CENTER_CROPPED,
User::CUSTOMIZED,
base::Time::Now().LocalMidnight()
};
WallpaperManager::Get()->SetUserWallpaperInfo(kTestUser1, info, true);
ResetUserManager();
AppendGuestSwitch();
scoped_ptr<WallpaperManager::TestApi> test_api;
test_api.reset(new WallpaperManager::TestApi(WallpaperManager::Get()));
// If last logged in user's wallpaper is used in function InitializeWallpaper,
// this test will crash. InitializeWallpaper should be a noop after
// AppendGuestSwitch being called.
WallpaperManager::Get()->InitializeWallpaper();
EXPECT_TRUE(test_api->current_wallpaper_path().empty());
UserManager::Get()->UserLoggedIn(UserManager::kGuestUserName,
UserManager::kGuestUserName, false);
WaitAsyncWallpaperLoad();
EXPECT_FALSE(ash::Shell::GetInstance()->desktop_background_controller()->
SetDefaultWallpaper(true));
}
class WallpaperManagerCacheTest : public test::AshTestBase {
public:
WallpaperManagerCacheTest()
: fake_user_manager_(new FakeUserManager()),
scoped_user_manager_(fake_user_manager_) {
}
protected:
virtual ~WallpaperManagerCacheTest() {}
FakeUserManager* fake_user_manager() { return fake_user_manager_; }
virtual void SetUp() OVERRIDE {
CommandLine::ForCurrentProcess()->AppendSwitch(::switches::kMultiProfiles);
test::AshTestBase::SetUp();
}
// Creates a test image of size 1x1.
gfx::ImageSkia CreateTestImage(SkColor color) {
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1, 1);
bitmap.allocPixels();
bitmap.eraseColor(color);
return gfx::ImageSkia::CreateFrom1xBitmap(bitmap);
}
private:
FakeUserManager* fake_user_manager_;
ScopedUserManagerEnabler scoped_user_manager_;
};
TEST_F(WallpaperManagerCacheTest, VerifyWallpaperCache) {
// Add three users to known users.
std::string test_user_1 = "test1@example.com";
std::string test_user_2 = "test2@example.com";
std::string test_user_3 = "test3@example.com";
fake_user_manager()->AddUser(test_user_1);
fake_user_manager()->AddUser(test_user_2);
fake_user_manager()->AddUser(test_user_3);
// Login two users.
fake_user_manager()->LoginUser(test_user_1);
fake_user_manager()->LoginUser(test_user_2);
scoped_ptr<WallpaperManager::TestApi> test_api;
test_api.reset(new WallpaperManager::TestApi(WallpaperManager::Get()));
gfx::ImageSkia test_user_1_wallpaper = CreateTestImage(SK_ColorRED);
gfx::ImageSkia test_user_2_wallpaper = CreateTestImage(SK_ColorGREEN);
gfx::ImageSkia test_user_3_wallpaper = CreateTestImage(SK_ColorWHITE);
test_api->SetWallpaperCache(test_user_1, test_user_1_wallpaper);
test_api->SetWallpaperCache(test_user_2, test_user_2_wallpaper);
test_api->SetWallpaperCache(test_user_3, test_user_3_wallpaper);
test_api->ClearDisposableWallpaperCache();
gfx::ImageSkia cached_wallpaper;
EXPECT_TRUE(test_api->GetWallpaperFromCache(test_user_1, &cached_wallpaper));
// Logged in users' wallpaper cache should be kept.
EXPECT_TRUE(cached_wallpaper.BackedBySameObjectAs(test_user_1_wallpaper));
EXPECT_TRUE(test_api->GetWallpaperFromCache(test_user_2, &cached_wallpaper));
EXPECT_TRUE(cached_wallpaper.BackedBySameObjectAs(test_user_2_wallpaper));
// Not logged in user's wallpaper cache should be cleared.
EXPECT_FALSE(test_api->GetWallpaperFromCache(test_user_3, &cached_wallpaper));
}
} // namespace chromeos
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