Revert 207755 "Add device policies to control accessibility sett..."

trunk/src/chrome/browser/chromeos/policy/recommendation_restorer_unittest.cc

Index: trunk/src/chrome/browser/chromeos/policy/recommendation_restorer_unittest.cc
===================================================================
--- trunk/src/chrome/browser/chromeos/policy/recommendation_restorer_unittest.cc	(revision 207797)
+++ trunk/src/chrome/browser/chromeos/policy/recommendation_restorer_unittest.cc	(working copy)
@@ -1,493 +0,0 @@
-// 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 "chrome/browser/chromeos/policy/recommendation_restorer.h"
-
-#include "ash/magnifier/magnifier_constants.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/prefs/pref_notifier_impl.h"
-#include "base/prefs/testing_pref_store.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/test/test_simple_task_runner.h"
-#include "base/thread_task_runner_handle.h"
-#include "base/time.h"
-#include "base/values.h"
-#include "chrome/browser/chromeos/policy/recommendation_restorer_factory.h"
-#include "chrome/browser/prefs/browser_prefs.h"
-#include "chrome/browser/prefs/pref_service_syncable.h"
-#include "chrome/common/chrome_constants.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/test/base/testing_browser_process.h"
-#include "chrome/test/base/testing_pref_service_syncable.h"
-#include "chrome/test/base/testing_profile.h"
-#include "chrome/test/base/testing_profile_manager.h"
-#include "components/user_prefs/pref_registry_syncable.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace policy {
-
-namespace {
-  // The amount of idle time after which recommended values are restored.
-  const int kRestoreDelayInMs = 60 * 1000;  // 1 minute.
-}  // namespace
-
-class RecommendationRestorerTest : public testing::Test {
- protected:
-  RecommendationRestorerTest();
-
-  // testing::Test:
-  virtual void SetUp() OVERRIDE;
-  virtual void TearDown() OVERRIDE;
-
-  void SetRecommendedValues();
-  void SetUserSettings();
-
-  void CreateLoginProfile();
-  void CreateUserProfile();
-
-  void NotifyOfSessionStart();
-  void NotifyOfUserActivity();
-
-  void VerifyPrefFollowsUser(const char* pref_name,
-                             const base::Value& expected_value) const;
-  void VerifyPrefsFollowUser() const;
-  void VerifyPrefFollowsRecommendation(const char* pref_name,
-                                       const base::Value& expected_value) const;
-  void VerifyPrefsFollowRecommendations() const;
-
-  void VerifyNotListeningForNotifications() const;
-  void VerifyTimerIsStopped() const;
-  void VerifyTimerIsRunning() const;
-
-  TestingPrefStore* recommended_prefs_;  // Not owned.
-  TestingPrefServiceSyncable* prefs_;    // Not owned.
-  RecommendationRestorer* restorer_;     // Not owned.
-
-  scoped_refptr<base::TestSimpleTaskRunner> runner_;
-  base::ThreadTaskRunnerHandle runner_handler_;
-
- private:
-  scoped_ptr<PrefServiceSyncable> prefs_owner_;
-
-  TestingProfileManager* profile_manager_;  // Not owned.
-
-  DISALLOW_COPY_AND_ASSIGN(RecommendationRestorerTest);
-};
-
-RecommendationRestorerTest::RecommendationRestorerTest()
-    : recommended_prefs_(new TestingPrefStore),
-      prefs_(new TestingPrefServiceSyncable(
-          new TestingPrefStore,
-          new TestingPrefStore,
-          recommended_prefs_,
-          new user_prefs::PrefRegistrySyncable,
-          new PrefNotifierImpl)),
-      restorer_(NULL),
-      runner_(new base::TestSimpleTaskRunner),
-      runner_handler_(runner_),
-      prefs_owner_(prefs_),
-      profile_manager_(NULL) {
-  chrome::RegisterUserPrefs(prefs_->registry());
-}
-
-void RecommendationRestorerTest::SetUp() {
-  testing::Test::SetUp();
-  profile_manager_ =
-      new TestingProfileManager(TestingBrowserProcess::GetGlobal());
-  ASSERT_TRUE(profile_manager_->SetUp());
-}
-
-void RecommendationRestorerTest::TearDown() {
-  TestingBrowserProcess::GetGlobal()->SetLocalState(NULL);
-  testing::Test::TearDown();
-}
-
-void RecommendationRestorerTest::SetRecommendedValues() {
-  recommended_prefs_->SetBoolean(prefs::kLargeCursorEnabled, false);
-  recommended_prefs_->SetBoolean(prefs::kSpokenFeedbackEnabled, false);
-  recommended_prefs_->SetBoolean(prefs::kHighContrastEnabled, false);
-  recommended_prefs_->SetBoolean(prefs::kScreenMagnifierEnabled, false);
-  recommended_prefs_->SetInteger(prefs::kScreenMagnifierType, 0);
-}
-
-void RecommendationRestorerTest::SetUserSettings() {
-  prefs_->SetBoolean(prefs::kLargeCursorEnabled, true);
-  prefs_->SetBoolean(prefs::kSpokenFeedbackEnabled, true);
-  prefs_->SetBoolean(prefs::kHighContrastEnabled, true);
-  prefs_->SetBoolean(prefs::kScreenMagnifierEnabled, true);
-  prefs_->SetInteger(prefs::kScreenMagnifierType, ash::MAGNIFIER_FULL);
-}
-
-void RecommendationRestorerTest::CreateLoginProfile() {
-  ASSERT_FALSE(restorer_);
-  TestingProfile* profile = profile_manager_->CreateTestingProfile(
-      chrome::kInitialProfile, prefs_owner_.Pass(),
-      UTF8ToUTF16(chrome::kInitialProfile), 0);
-  restorer_ = RecommendationRestorerFactory::GetForProfile(profile);
-  EXPECT_TRUE(restorer_);
-}
-
-void RecommendationRestorerTest::CreateUserProfile() {
-  ASSERT_FALSE(restorer_);
-  TestingProfile* profile = profile_manager_->CreateTestingProfile(
-      "user", prefs_owner_.Pass(), UTF8ToUTF16("user"), 0);
-  restorer_ = RecommendationRestorerFactory::GetForProfile(profile);
-  EXPECT_TRUE(restorer_);
-}
-
-void RecommendationRestorerTest::NotifyOfSessionStart() {
-  ASSERT_TRUE(restorer_);
-  restorer_->Observe(chrome::NOTIFICATION_LOGIN_USER_CHANGED,
-                     content::Source<RecommendationRestorerTest>(this),
-                     content::NotificationService::NoDetails());
-}
-
-void RecommendationRestorerTest::NotifyOfUserActivity() {
-  ASSERT_TRUE(restorer_);
-  restorer_->OnUserActivity();
-}
-
-void RecommendationRestorerTest::VerifyPrefFollowsUser(
-    const char* pref_name,
-    const base::Value& expected_value) const {
-  const PrefServiceSyncable::Preference* pref =
-      prefs_->FindPreference(pref_name);
-  ASSERT_TRUE(pref);
-  EXPECT_TRUE(pref->HasUserSetting());
-  const base::Value* value = pref->GetValue();
-  ASSERT_TRUE(value);
-  EXPECT_TRUE(expected_value.Equals(value));
-}
-
-void RecommendationRestorerTest::VerifyPrefsFollowUser() const {
-  VerifyPrefFollowsUser(prefs::kLargeCursorEnabled,
-                        base::FundamentalValue(true));
-  VerifyPrefFollowsUser(prefs::kSpokenFeedbackEnabled,
-                        base::FundamentalValue(true));
-  VerifyPrefFollowsUser(prefs::kHighContrastEnabled,
-                        base::FundamentalValue(true));
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierEnabled,
-                        base::FundamentalValue(true));
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierType,
-                        base::FundamentalValue(ash::MAGNIFIER_FULL));
-}
-
-void RecommendationRestorerTest::VerifyPrefFollowsRecommendation(
-    const char* pref_name,
-    const base::Value& expected_value) const {
-  const PrefServiceSyncable::Preference* pref =
-      prefs_->FindPreference(pref_name);
-  ASSERT_TRUE(pref);
-  EXPECT_TRUE(pref->IsRecommended());
-  EXPECT_FALSE(pref->HasUserSetting());
-  const base::Value* value = pref->GetValue();
-  ASSERT_TRUE(value);
-  EXPECT_TRUE(expected_value.Equals(value));
-}
-
-void RecommendationRestorerTest::VerifyPrefsFollowRecommendations() const {
-  VerifyPrefFollowsRecommendation(prefs::kLargeCursorEnabled,
-                                  base::FundamentalValue(false));
-  VerifyPrefFollowsRecommendation(prefs::kSpokenFeedbackEnabled,
-                                  base::FundamentalValue(false));
-  VerifyPrefFollowsRecommendation(prefs::kHighContrastEnabled,
-                                  base::FundamentalValue(false));
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierEnabled,
-                                  base::FundamentalValue(false));
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierType,
-                                  base::FundamentalValue(0));
-}
-
-void RecommendationRestorerTest::VerifyNotListeningForNotifications() const {
-  ASSERT_TRUE(restorer_);
-  EXPECT_TRUE(restorer_->pref_change_registrar_.IsEmpty());
-  EXPECT_TRUE(restorer_->notification_registrar_.IsEmpty());
-}
-
-void RecommendationRestorerTest::VerifyTimerIsStopped() const {
-  ASSERT_TRUE(restorer_);
-  EXPECT_FALSE(restorer_->restore_timer_.IsRunning());
-}
-
-void RecommendationRestorerTest::VerifyTimerIsRunning() const {
-  ASSERT_TRUE(restorer_);
-  EXPECT_TRUE(restorer_->restore_timer_.IsRunning());
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(kRestoreDelayInMs),
-            restorer_->restore_timer_.GetCurrentDelay());
-}
-
-TEST_F(RecommendationRestorerTest, CreateForUserProfile) {
-  // Verifies that when a RecommendationRestorer is created for a user profile,
-  // it does not start listening for any notifications, does not clear user
-  // settings on initialization and does not start a timer that will clear user
-  // settings eventually.
-  SetRecommendedValues();
-  SetUserSettings();
-
-  CreateUserProfile();
-  VerifyNotListeningForNotifications();
-  VerifyPrefsFollowUser();
-  VerifyTimerIsStopped();
-}
-
-TEST_F(RecommendationRestorerTest, NoRecommendations) {
-  // Verifies that when no recommended values have been set and a
-  // RecommendationRestorer is created for the login profile, it does not clear
-  // user settings on initialization and does not start a timer that will clear
-  // user settings eventually.
-  SetUserSettings();
-
-  CreateLoginProfile();
-  VerifyPrefsFollowUser();
-  VerifyTimerIsStopped();
-}
-
-TEST_F(RecommendationRestorerTest, RestoreOnStartup) {
-  // Verifies that when recommended values have been set and a
-  // RecommendationRestorer is created for the login profile, it clears user
-  // settings on initialization.
-  SetRecommendedValues();
-  SetUserSettings();
-
-  CreateLoginProfile();
-  VerifyPrefsFollowRecommendations();
-  VerifyTimerIsStopped();
-}
-
-TEST_F(RecommendationRestorerTest, RestoreOnRecommendationChangeOnLoginScreen) {
-  // Verifies that if recommended values change while the login screen is being
-  // shown, a timer is started that will clear user settings eventually.
-  SetUserSettings();
-
-  CreateLoginProfile();
-
-  VerifyTimerIsStopped();
-  recommended_prefs_->SetBoolean(prefs::kLargeCursorEnabled, false);
-  VerifyPrefFollowsUser(prefs::kLargeCursorEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kLargeCursorEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyTimerIsStopped();
-  recommended_prefs_->SetBoolean(prefs::kSpokenFeedbackEnabled, false);
-  VerifyPrefFollowsUser(prefs::kSpokenFeedbackEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kSpokenFeedbackEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyTimerIsStopped();
-  recommended_prefs_->SetBoolean(prefs::kHighContrastEnabled, false);
-  VerifyPrefFollowsUser(prefs::kHighContrastEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kHighContrastEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyTimerIsStopped();
-  recommended_prefs_->SetBoolean(prefs::kScreenMagnifierEnabled, false);
-  recommended_prefs_->SetInteger(prefs::kScreenMagnifierType, 0);
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierEnabled,
-                        base::FundamentalValue(true));
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierType,
-                        base::FundamentalValue(ash::MAGNIFIER_FULL));
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierEnabled,
-                                  base::FundamentalValue(false));
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierType,
-                                  base::FundamentalValue(0));
-
-  VerifyTimerIsStopped();
-}
-
-TEST_F(RecommendationRestorerTest, RestoreOnRecommendationChangeInUserSession) {
-  // Verifies that if recommended values change while a user session is in
-  // progress, user settings are cleared immediately.
-  SetUserSettings();
-
-  CreateLoginProfile();
-  NotifyOfSessionStart();
-
-  VerifyPrefFollowsUser(prefs::kLargeCursorEnabled,
-                        base::FundamentalValue(true));
-  recommended_prefs_->SetBoolean(prefs::kLargeCursorEnabled, false);
-  VerifyTimerIsStopped();
-  VerifyPrefFollowsRecommendation(prefs::kLargeCursorEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyPrefFollowsUser(prefs::kSpokenFeedbackEnabled,
-                        base::FundamentalValue(true));
-  recommended_prefs_->SetBoolean(prefs::kSpokenFeedbackEnabled, false);
-  VerifyTimerIsStopped();
-  VerifyPrefFollowsRecommendation(prefs::kSpokenFeedbackEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyPrefFollowsUser(prefs::kHighContrastEnabled,
-                        base::FundamentalValue(true));
-  recommended_prefs_->SetBoolean(prefs::kHighContrastEnabled, false);
-  VerifyTimerIsStopped();
-  VerifyPrefFollowsRecommendation(prefs::kHighContrastEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierEnabled,
-                        base::FundamentalValue(true));
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierType,
-                        base::FundamentalValue(ash::MAGNIFIER_FULL));
-  recommended_prefs_->SetBoolean(prefs::kScreenMagnifierEnabled, false);
-  recommended_prefs_->SetInteger(prefs::kScreenMagnifierType, 0);
-  VerifyTimerIsStopped();
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierEnabled,
-                                  base::FundamentalValue(false));
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierType,
-                                  base::FundamentalValue(0));
-}
-
-TEST_F(RecommendationRestorerTest, DoNothingOnUserChange) {
-  // Verifies that if no recommended values have been set and user settings
-  // change, the user settings are not cleared immediately and no timer is
-  // started that will clear the user settings eventually.
-  CreateLoginProfile();
-
-  prefs_->SetBoolean(prefs::kLargeCursorEnabled, true);
-  VerifyPrefFollowsUser(prefs::kLargeCursorEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsStopped();
-
-  prefs_->SetBoolean(prefs::kSpokenFeedbackEnabled, true);
-  VerifyPrefFollowsUser(prefs::kSpokenFeedbackEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsStopped();
-
-  prefs_->SetBoolean(prefs::kHighContrastEnabled, true);
-  VerifyPrefFollowsUser(prefs::kHighContrastEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsStopped();
-
-  prefs_->SetBoolean(prefs::kScreenMagnifierEnabled, true);
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsStopped();
-
-  prefs_->SetBoolean(prefs::kScreenMagnifierEnabled, true);
-  prefs_->SetInteger(prefs::kScreenMagnifierType, ash::MAGNIFIER_FULL);
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierEnabled,
-                        base::FundamentalValue(true));
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierType,
-                        base::FundamentalValue(ash::MAGNIFIER_FULL));
-  VerifyTimerIsStopped();
-}
-
-TEST_F(RecommendationRestorerTest, RestoreOnUserChange) {
-  // Verifies that if recommended values have been set and user settings change
-  // while the login screen is being shown, a timer is started that will clear
-  // the user settings eventually.
-  SetRecommendedValues();
-
-  CreateLoginProfile();
-
-  VerifyTimerIsStopped();
-  prefs_->SetBoolean(prefs::kLargeCursorEnabled, true);
-  VerifyPrefFollowsUser(prefs::kLargeCursorEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kLargeCursorEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyTimerIsStopped();
-  prefs_->SetBoolean(prefs::kSpokenFeedbackEnabled, true);
-  VerifyPrefFollowsUser(prefs::kSpokenFeedbackEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kSpokenFeedbackEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyTimerIsStopped();
-  prefs_->SetBoolean(prefs::kHighContrastEnabled, true);
-  VerifyPrefFollowsUser(prefs::kHighContrastEnabled,
-                        base::FundamentalValue(true));
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kHighContrastEnabled,
-                                  base::FundamentalValue(false));
-
-  VerifyTimerIsStopped();
-  prefs_->SetBoolean(prefs::kScreenMagnifierEnabled, true);
-  prefs_->SetInteger(prefs::kScreenMagnifierType, ash::MAGNIFIER_FULL);
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierEnabled,
-                        base::FundamentalValue(true));
-  VerifyPrefFollowsUser(prefs::kScreenMagnifierType,
-                        base::FundamentalValue(ash::MAGNIFIER_FULL));
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierEnabled,
-                                  base::FundamentalValue(false));
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierType,
-                                  base::FundamentalValue(0));
-
-  VerifyTimerIsStopped();
-}
-
-TEST_F(RecommendationRestorerTest, RestoreOnSessionStart) {
-  // Verifies that if recommended values have been set, user settings have
-  // changed and a session is then started, the user settings are cleared
-  // immediately and the timer that would have cleared them eventually on the
-  // login screen is stopped.
-  SetRecommendedValues();
-
-  CreateLoginProfile();
-  SetUserSettings();
-
-  NotifyOfSessionStart();
-  VerifyPrefsFollowRecommendations();
-  VerifyTimerIsStopped();
-}
-
-TEST_F(RecommendationRestorerTest, DoNothingOnSessionStart) {
-  // Verifies that if recommended values have not been set, user settings have
-  // changed and a session is then started, the user settings are not cleared
-  // immediately.
-  CreateLoginProfile();
-  SetUserSettings();
-
-  NotifyOfSessionStart();
-  VerifyPrefsFollowUser();
-  VerifyTimerIsStopped();
-}
-
-TEST_F(RecommendationRestorerTest, UserActivityResetsTimer) {
-  // Verifies that user activity resets the timer which clears user settings.
-  recommended_prefs_->SetBoolean(prefs::kLargeCursorEnabled, false);
-
-  CreateLoginProfile();
-
-  prefs_->SetBoolean(prefs::kLargeCursorEnabled, true);
-  VerifyTimerIsRunning();
-
-  // Notify that there is user activity, then fast forward until the originally
-  // set timer fires.
-  NotifyOfUserActivity();
-  runner_->RunPendingTasks();
-  VerifyPrefFollowsUser(prefs::kLargeCursorEnabled,
-                        base::FundamentalValue(true));
-
-  // Fast forward until the reset timer fires.
-  VerifyTimerIsRunning();
-  runner_->RunUntilIdle();
-  VerifyPrefFollowsRecommendation(prefs::kLargeCursorEnabled,
-                                  base::FundamentalValue(false));
-  VerifyTimerIsStopped();
-}
-
-}  // namespace policy