Pref service: delete old implementation

chrome/browser/prefs/preferences_service_unittest.cc

Index: chrome/browser/prefs/preferences_service_unittest.cc
diff --git a/chrome/browser/prefs/preferences_service_unittest.cc b/chrome/browser/prefs/preferences_service_unittest.cc
deleted file mode 100644
index cdbb3a5f92a5a6ba94978c403def88b523d7c998..0000000000000000000000000000000000000000
--- a/chrome/browser/prefs/preferences_service_unittest.cc
+++ /dev/null
@@ -1,307 +0,0 @@
-// Copyright 2016 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/prefs/preferences_service.h"
-
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/run_loop.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/prefs/browser_prefs.h"
-#include "chrome/test/base/testing_browser_process.h"
-#include "chrome/test/base/testing_profile.h"
-#include "chrome/test/base/testing_profile_manager.h"
-#include "components/pref_registry/pref_registry_syncable.h"
-#include "components/prefs/pref_change_registrar.h"
-#include "components/prefs/pref_service.h"
-#include "components/sync_preferences/testing_pref_service_syncable.h"
-#include "content/public/test/test_browser_thread_bundle.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "services/preferences/public/interfaces/preferences.mojom.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-// Test implementation of prefs::mojom::PreferencesServiceClient which just
-// tracks
-// calls to OnPreferencesChanged.
-class TestPreferencesServiceClient
-    : public prefs::mojom::PreferencesServiceClient {
- public:
-  TestPreferencesServiceClient(
-      mojo::InterfaceRequest<prefs::mojom::PreferencesServiceClient> request)
-      : on_preferences_changed_called_(false),
-        binding_(this, std::move(request)) {}
-  ~TestPreferencesServiceClient() override {}
-
-  // Returns true is |key| was in the last set of preferences changed.
-  bool KeyReceived(const std::string& key);
-
-  // Clears the values set from the last OnPreferencesChanged.
-  void Reset();
-
-  bool on_preferences_changed_called() {
-    return on_preferences_changed_called_;
-  }
-
-  const base::Value* on_preferences_changed_values() {
-    return on_preferences_changed_values_.get();
-  }
-
- private:
-  // prefs::mojom::PreferencesServiceClient:
-  void OnPreferencesChanged(
-      std::unique_ptr<base::DictionaryValue> preferences) override {
-    on_preferences_changed_called_ = true;
-    on_preferences_changed_values_ = std::move(preferences);
-  }
-
-  bool on_preferences_changed_called_;
-  std::unique_ptr<base::Value> on_preferences_changed_values_;
-
-  mojo::Binding<PreferencesServiceClient> binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestPreferencesServiceClient);
-};
-
-bool TestPreferencesServiceClient::KeyReceived(const std::string& key) {
-  base::DictionaryValue* dictionary = nullptr;
-  on_preferences_changed_values_->GetAsDictionary(&dictionary);
-  return dictionary->HasKey(key);
-}
-
-void TestPreferencesServiceClient::Reset() {
-  on_preferences_changed_called_ = false;
-  on_preferences_changed_values_.reset();
-}
-
-}  // namespace
-
-namespace test {
-class PreferencesServiceTest : public testing::Test {
- public:
-  PreferencesServiceTest();
-  ~PreferencesServiceTest() override;
-
-  // Initializes the connection between |client_| and |service_|, subscribing
-  // to changes to |preferences|.
-  void InitObserver(const std::vector<std::string>& preferences);
-
-  // Initializes a preference with |registry_| with a default |value|.
-  void InitPreference(const std::string& key, int value);
-
-  // Has |service_| update the PrefStore with |preferences|.
-  void SetPreferences(std::unique_ptr<base::DictionaryValue> preferences);
-
-  TestPreferencesServiceClient* client() { return client_.get(); }
-  PrefChangeRegistrar* preferences_change_registrar() {
-    return service_->preferences_change_registrar_.get();
-  }
-  TestingProfile* profile() { return profile_; }
-  user_prefs::PrefRegistrySyncable* registry() { return registry_; }
-  PrefService* service() { return profile_->GetPrefs(); }
-
-  // testing::Test:
-  void SetUp() override;
-  void TearDown() override;
-
- private:
-  // Sets up threads needed for |testing_profile_manager_|
-  content::TestBrowserThreadBundle thread_bundle_;
-
-  // Handles creation of profiles for testing.
-  TestingProfileManager testing_profile_manager_;
-
-  // Not owned
-  TestingProfile* profile_;
-  user_prefs::PrefRegistrySyncable* registry_;
-
-  prefs::mojom::PreferencesServiceClientPtr proxy_;
-  std::unique_ptr<TestPreferencesServiceClient> client_;
-  std::unique_ptr<PreferencesService> service_;
-
-  DISALLOW_COPY_AND_ASSIGN(PreferencesServiceTest);
-};
-
-PreferencesServiceTest::PreferencesServiceTest()
-    : testing_profile_manager_(TestingBrowserProcess::GetGlobal()) {}
-
-PreferencesServiceTest::~PreferencesServiceTest() {}
-
-void PreferencesServiceTest::InitObserver(
-    const std::vector<std::string>& preferences) {
-  service_->Subscribe(preferences);
-  base::RunLoop().RunUntilIdle();
-}
-
-void PreferencesServiceTest::InitPreference(const std::string& key, int value) {
-  registry_->RegisterIntegerPref(key, value);
-  base::Value fundamental_value(value);
-  profile_->GetPrefs()->Set(key, fundamental_value);
-}
-
-void PreferencesServiceTest::SetPreferences(
-    std::unique_ptr<base::DictionaryValue> preferences) {
-  service_->SetPreferences(std::move(preferences));
-  base::RunLoop().RunUntilIdle();
-}
-
-void PreferencesServiceTest::SetUp() {
-  ASSERT_TRUE(testing_profile_manager_.SetUp());
-
-  std::unique_ptr<sync_preferences::TestingPrefServiceSyncable> service(
-      base::MakeUnique<sync_preferences::TestingPrefServiceSyncable>());
-  registry_ = service->registry();
-  chrome::RegisterUserProfilePrefs(registry_);
-
-  const std::string kName = "navi";
-  profile_ = testing_profile_manager_.CreateTestingProfile(
-      kName, std::move(service), base::UTF8ToUTF16(kName), 0, std::string(),
-      TestingProfile::TestingFactories());
-  ASSERT_NE(nullptr, profile_->GetPrefs());
-
-  client_.reset(new TestPreferencesServiceClient(mojo::MakeRequest(&proxy_)));
-  service_ = base::MakeUnique<PreferencesService>(std::move(proxy_), profile_);
-  ASSERT_TRUE(service_->preferences_change_registrar_->IsEmpty());
-}
-
-void PreferencesServiceTest::TearDown() {
-  testing_profile_manager_.DeleteAllTestingProfiles();
-}
-
-// Tests that when the PrefService is empty that no subscriptions are made.
-TEST_F(PreferencesServiceTest, EmptyService) {
-  const std::string kKey = "hey";
-  std::vector<std::string> preferences;
-  preferences.push_back(kKey);
-  InitObserver(preferences);
-  EXPECT_FALSE(preferences_change_registrar()->IsObserved(kKey));
-  EXPECT_FALSE(client()->on_preferences_changed_called());
-}
-
-// Tests that when the PrefService has the desired key, that a subscription is
-// setup and that the PreferenceObserver is notified.
-TEST_F(PreferencesServiceTest, ServiceHasValues) {
-  const std::string kKey = "hey";
-  const int kValue = 42;
-  InitPreference(kKey, kValue);
-
-  std::vector<std::string> preferences;
-  preferences.push_back(kKey);
-  InitObserver(preferences);
-  EXPECT_TRUE(preferences_change_registrar()->IsObserved(kKey));
-  EXPECT_TRUE(client()->on_preferences_changed_called());
-  EXPECT_TRUE(client()->KeyReceived(kKey));
-}
-
-// Tests that mulitple keys can be subscribed to.
-TEST_F(PreferencesServiceTest, MultipleSubscriptions) {
-  const std::string kKey1 = "hey";
-  const int kValue1 = 42;
-  InitPreference(kKey1, kValue1);
-
-  const std::string kKey2 = "listen";
-  const int kValue2 = 9001;
-  InitPreference(kKey2, kValue2);
-
-  std::vector<std::string> preferences;
-  preferences.push_back(kKey1);
-  preferences.push_back(kKey2);
-  InitObserver(preferences);
-  EXPECT_TRUE(preferences_change_registrar()->IsObserved(kKey1));
-  EXPECT_TRUE(preferences_change_registrar()->IsObserved(kKey2));
-  EXPECT_TRUE(client()->KeyReceived(kKey1));
-  EXPECT_TRUE(client()->KeyReceived(kKey2));
-}
-
-// Tests that when all keys are not in the PrefService that subscriptions are
-// set for the available key.
-TEST_F(PreferencesServiceTest, PartialSubsriptionAvailable) {
-  const std::string kKey1 = "hey";
-  const int kValue1 = 42;
-  InitPreference(kKey1, kValue1);
-
-  const std::string kKey2 = "listen";
-  std::vector<std::string> preferences;
-  preferences.push_back(kKey1);
-  preferences.push_back(kKey2);
-  InitObserver(preferences);
-  EXPECT_TRUE(preferences_change_registrar()->IsObserved(kKey1));
-  EXPECT_FALSE(preferences_change_registrar()->IsObserved(kKey2));
-  EXPECT_TRUE(client()->KeyReceived(kKey1));
-  EXPECT_FALSE(client()->KeyReceived(kKey2));
-}
-
-// Tests that when a preference is changed that the PreferenceObserver is
-// notified.
-TEST_F(PreferencesServiceTest, PreferenceChanged) {
-  const std::string kKey = "hey";
-  const int kValue = 42;
-  InitPreference(kKey, kValue);
-
-  std::vector<std::string> preferences;
-  preferences.push_back(kKey);
-  InitObserver(preferences);
-  client()->Reset();
-
-  const int kNewValue = 1337;
-  service()->SetInteger(kKey, kNewValue);
-  base::RunLoop().RunUntilIdle();
-
-  EXPECT_TRUE(client()->on_preferences_changed_called());
-  const base::Value* values = client()->on_preferences_changed_values();
-  const base::DictionaryValue* dictionary = nullptr;
-  values->GetAsDictionary(&dictionary);
-  int result = 0;
-  dictionary->GetInteger(kKey, &result);
-  EXPECT_EQ(kNewValue, result);
-}
-
-// Tests that when a non subscribed preference is changed that the
-// PreferenceObserver is not notified.
-TEST_F(PreferencesServiceTest, UnrelatedPreferenceChanged) {
-  const std::string kKey1 = "hey";
-  const int kValue1 = 42;
-  InitPreference(kKey1, kValue1);
-
-  const std::string kKey2 = "listen";
-  const int kValue2 = 9001;
-  InitPreference(kKey2, kValue2);
-
-  std::vector<std::string> preferences;
-  preferences.push_back(kKey1);
-  InitObserver(preferences);
-  client()->Reset();
-
-  const int kNewValue = 1337;
-  service()->SetInteger(kKey2, kNewValue);
-  base::RunLoop().RunUntilIdle();
-
-  EXPECT_FALSE(client()->on_preferences_changed_called());
-}
-
-// Tests that when the PreferenceManager updates a preference that the
-// PreferenceObserver is not notified.
-TEST_F(PreferencesServiceTest, NoNotificationsForSelfChange) {
-  const std::string kKey = "hey";
-  const int kValue = 42;
-  InitPreference(kKey, kValue);
-
-  std::vector<std::string> preferences;
-  preferences.push_back(kKey);
-  InitObserver(preferences);
-  client()->Reset();
-
-  const int kNewValue = 1337;
-  std::unique_ptr<base::DictionaryValue> dictionary =
-      base::MakeUnique<base::DictionaryValue>();
-  dictionary->SetInteger(kKey, kNewValue);
-  SetPreferences(std::move(dictionary));
-
-  EXPECT_FALSE(client()->on_preferences_changed_called());
-  EXPECT_EQ(kNewValue, service()->GetInteger(kKey));
-}
-
-}  // namespace test