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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 <string>
#include "base/json/json_string_value_serializer.h"
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "base/values.h"
#include "chrome/browser/prefs/synced_pref_change_registrar.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/testing_pref_service_syncable.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/test/test_utils.h"
#include "sync/api/attachments/attachment_id.h"
#include "sync/api/fake_sync_change_processor.h"
#include "sync/api/sync_change.h"
#include "sync/api/sync_error_factory.h"
#include "sync/api/sync_error_factory_mock.h"
#include "sync/api/syncable_service.h"
#include "sync/internal_api/public/attachments/attachment_service_proxy_for_test.h"
#include "sync/protocol/sync.pb.h"
#if defined(ENABLE_CONFIGURATION_POLICY)
#include "components/policy/core/browser/browser_policy_connector.h"
#include "components/policy/core/common/mock_configuration_policy_provider.h"
#include "components/policy/core/common/policy_map.h"
#include "policy/policy_constants.h"
#endif
namespace {
using testing::Return;
using testing::_;
class SyncedPrefChangeRegistrarTest : public InProcessBrowserTest {
public:
SyncedPrefChangeRegistrarTest() : next_sync_data_id_(0) {}
~SyncedPrefChangeRegistrarTest() override {}
#if defined(ENABLE_CONFIGURATION_POLICY)
void UpdateChromePolicy(const policy::PolicyMap& policies) {
policy_provider_.UpdateChromePolicy(policies);
DCHECK(base::MessageLoop::current());
base::RunLoop loop;
loop.RunUntilIdle();
}
#endif
void SetBooleanPrefValueFromSync(const std::string& name, bool value) {
std::string serialized_value;
JSONStringValueSerializer json(&serialized_value);
json.Serialize(base::FundamentalValue(value));
sync_pb::EntitySpecifics specifics;
sync_pb::PreferenceSpecifics* pref_specifics =
specifics.mutable_preference();
pref_specifics->set_name(name);
pref_specifics->set_value(serialized_value);
syncer::SyncData change_data = syncer::SyncData::CreateRemoteData(
++next_sync_data_id_,
specifics,
base::Time(),
syncer::AttachmentIdList(),
syncer::AttachmentServiceProxyForTest::Create());
syncer::SyncChange change(
FROM_HERE, syncer::SyncChange::ACTION_UPDATE, change_data);
syncer::SyncChangeList change_list;
change_list.push_back(change);
syncer_->ProcessSyncChanges(FROM_HERE, change_list);
}
void SetBooleanPrefValueFromLocal(const std::string& name, bool value) {
prefs_->SetBoolean(name.c_str(), value);
}
bool GetBooleanPrefValue(const std::string& name) {
return prefs_->GetBoolean(name.c_str());
}
PrefServiceSyncable* prefs() const {
return prefs_;
}
SyncedPrefChangeRegistrar* registrar() const {
return registrar_.get();
}
private:
#if defined(ENABLE_CONFIGURATION_POLICY)
void SetUpInProcessBrowserTestFixture() override {
EXPECT_CALL(policy_provider_, IsInitializationComplete(_))
.WillRepeatedly(Return(true));
policy::BrowserPolicyConnector::SetPolicyProviderForTesting(
&policy_provider_);
}
#endif
void SetUpOnMainThread() override {
prefs_ = PrefServiceSyncable::FromProfile(browser()->profile());
syncer_ = prefs_->GetSyncableService(syncer::PREFERENCES);
syncer_->MergeDataAndStartSyncing(
syncer::PREFERENCES,
syncer::SyncDataList(),
scoped_ptr<syncer::SyncChangeProcessor>(
new syncer::FakeSyncChangeProcessor),
scoped_ptr<syncer::SyncErrorFactory>(new syncer::SyncErrorFactoryMock));
registrar_.reset(new SyncedPrefChangeRegistrar(prefs_));
}
void TearDownOnMainThread() override { registrar_.reset(); }
PrefServiceSyncable* prefs_;
syncer::SyncableService* syncer_;
int next_sync_data_id_;
scoped_ptr<SyncedPrefChangeRegistrar> registrar_;
#if defined(ENABLE_CONFIGURATION_POLICY)
policy::MockConfigurationPolicyProvider policy_provider_;
#endif
};
struct TestSyncedPrefObserver {
bool last_seen_value;
bool last_update_is_from_sync;
bool has_been_notified;
};
void TestPrefChangeCallback(PrefService* prefs,
TestSyncedPrefObserver* observer,
const std::string& path,
bool from_sync) {
observer->last_seen_value = prefs->GetBoolean(path.c_str());
observer->last_update_is_from_sync = from_sync;
observer->has_been_notified = true;
}
} // namespace
IN_PROC_BROWSER_TEST_F(SyncedPrefChangeRegistrarTest,
DifferentiateRemoteAndLocalChanges) {
TestSyncedPrefObserver observer = {};
registrar()->Add(prefs::kShowHomeButton,
base::Bind(&TestPrefChangeCallback, prefs(), &observer));
EXPECT_FALSE(observer.has_been_notified);
SetBooleanPrefValueFromSync(prefs::kShowHomeButton, true);
EXPECT_TRUE(observer.has_been_notified);
EXPECT_TRUE(GetBooleanPrefValue(prefs::kShowHomeButton));
EXPECT_TRUE(observer.last_update_is_from_sync);
EXPECT_TRUE(observer.last_seen_value);
observer.has_been_notified = false;
SetBooleanPrefValueFromLocal(prefs::kShowHomeButton, false);
EXPECT_TRUE(observer.has_been_notified);
EXPECT_FALSE(GetBooleanPrefValue(prefs::kShowHomeButton));
EXPECT_FALSE(observer.last_update_is_from_sync);
EXPECT_FALSE(observer.last_seen_value);
observer.has_been_notified = false;
SetBooleanPrefValueFromLocal(prefs::kShowHomeButton, true);
EXPECT_TRUE(observer.has_been_notified);
EXPECT_TRUE(GetBooleanPrefValue(prefs::kShowHomeButton));
EXPECT_FALSE(observer.last_update_is_from_sync);
EXPECT_TRUE(observer.last_seen_value);
observer.has_been_notified = false;
SetBooleanPrefValueFromSync(prefs::kShowHomeButton, false);
EXPECT_TRUE(observer.has_been_notified);
EXPECT_FALSE(GetBooleanPrefValue(prefs::kShowHomeButton));
EXPECT_TRUE(observer.last_update_is_from_sync);
EXPECT_FALSE(observer.last_seen_value);
}
#if defined(ENABLE_CONFIGURATION_POLICY)
IN_PROC_BROWSER_TEST_F(SyncedPrefChangeRegistrarTest,
IgnoreLocalChangesToManagedPrefs) {
TestSyncedPrefObserver observer = {};
registrar()->Add(prefs::kShowHomeButton,
base::Bind(&TestPrefChangeCallback, prefs(), &observer));
policy::PolicyMap policies;
policies.Set(policy::key::kShowHomeButton,
policy::POLICY_LEVEL_MANDATORY,
policy::POLICY_SCOPE_USER,
new base::FundamentalValue(true),
NULL);
UpdateChromePolicy(policies);
EXPECT_TRUE(prefs()->IsManagedPreference(prefs::kShowHomeButton));
SetBooleanPrefValueFromLocal(prefs::kShowHomeButton, false);
EXPECT_FALSE(observer.has_been_notified);
EXPECT_TRUE(GetBooleanPrefValue(prefs::kShowHomeButton));
}
IN_PROC_BROWSER_TEST_F(SyncedPrefChangeRegistrarTest,
IgnoreSyncChangesToManagedPrefs) {
TestSyncedPrefObserver observer = {};
registrar()->Add(prefs::kShowHomeButton,
base::Bind(&TestPrefChangeCallback, prefs(), &observer));
policy::PolicyMap policies;
policies.Set(policy::key::kShowHomeButton,
policy::POLICY_LEVEL_MANDATORY,
policy::POLICY_SCOPE_USER,
new base::FundamentalValue(true),
NULL);
UpdateChromePolicy(policies);
EXPECT_TRUE(prefs()->IsManagedPreference(prefs::kShowHomeButton));
SetBooleanPrefValueFromSync(prefs::kShowHomeButton, false);
EXPECT_FALSE(observer.has_been_notified);
EXPECT_TRUE(GetBooleanPrefValue(prefs::kShowHomeButton));
}
#endif
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